• No data on 971129, 971130, 971201.
• No data after 0416 UTC on 971128.

X

• Large MCS with copious rainfall on 971204.
• No data on 971202 and first half of 971203.

X

• TRMM overpass: 971210 0116 UTC - 8 km
  • GV HDF file: 1C51.971210.2.MELB.2.HDF.gz
  • TRMM orbit number: 192
• 971210/0116 UTC: decent TRMM overpass case.
• Squall line moves through on 971210.
• Another squall line complex on 971211: convergence along visible gust front aids in the rapid development of storms around 1857 UTC.
• No data on 971207 and first half of 971208.
• Data gap on 971211.

X

• Large MCS with copious rainfall on 971212 and 971213.
• Very impressive spin associated with upper low evident in precip on 971215 and 971216.
• Large data gap on 971213 and no data available for 971214.
• Data gaps on 971215 and 971216.

• Very little precipitation over these 5 days.

• No data for 971226 and most of 971225.

• No data for 971227-971229 due to inoperative Archive II device at KMLB.
• Large data gap on 971230.

• Only precip occurs in the form of widely scattered showers and cells.

X

• Large squall line tracks across scope on 980108.
• Data gaps on 980106 and 980107.

X

• All significant precip occurs during second half of 980115.
• Data gaps present on 980112, 980113, and 980114.

X

• Almost all significant precipitation for this period confined to 980116, when squall line is present.
• Data gaps on 980116 and 980117.

X

• TRMM overpass: 980124 0149 UTC - 44 km
  • GV HDF file: 1C51.980124.2.MELB.2.HDF.gz
  • TRMM orbit number: 902
• 980124/0149Z: good TRMM overpass case (44 km)
• Large MCS present on 980123 and 980124.
• Numerous data gaps on 980123 and 980124.

X

• Heavy precip on 980126 and 980127.
• Data gaps present on 980130.
• Chaff echo present during latter half of this time period.

X

• 980203: heavy rain event; at one point before 08Z, the entire radar scope is covered with heavy rain along with a strong bow echo.
• Chaff present on 980131.

X

• Strong mesoscale convective system moves through Florida on 980206 and 980207 in response to strong upper level low pressure system (spin of low pressure evident in precip on 980207).
• Abundant chaff present on 980205 and 980209.

X

• Large shield of moderate precipitation with embedded convection present on 980213 and 980214.
• Data gaps on 980210 and 980213.

X

• TRMM overpass: 980217 1318 UTC - 50 km
  • GV HDF file: 1C51.980217.14.MELB.2.HDF.gz
  • TRMM orbit number: 1288
• 980217/1318 UTC: fantastic TRMM overpass case as strong squall line present over radar at the time.
• Strong MCS activity with heavy rainfall on 980216, 980217, and beginning of 980218.
• Extremely bad AP on 980219 makes this day one of the all-time worst in terms of quality control.

X

• Doppler-indicated tornadic cells evident 0n 980220, 980222, and 980223 which was the night of the killer tornadoes in central Fl.
• Large data gap on 980220.

X

• Starting with 980225 data, chaff echoes are removed from the field.

• Large data gap on 980306.

X

• TRMM overpass: 980309 0827 UTC - 50 km
  • GV HDF file: 1C51.980309.9.MELB.2.HDF.gz
  • TRMM orbit number: 1600
• 980309: fantastic TRMM overpass case (used in PR comparison at May 98 TRMM Science Team Meeting.)
• Several gaps throughout these five days.

• Quasi-stationary N-S line of showers persists off the Florida coast for over 2.5 days (980313-980315)

X

• TRMM overpass: 980318 2158 UTC - 10 km
  • GV HDF file: 1C51.980318.22.MELB.2.HDF.gz
  • TRMM orbit number: 1751
• 980318/2158 UTC: decent TRMM overpass case.
• Meteorological fascinating day of 980319: long-lived supercell with prominent mesocyclone, an intense bow echo, and two squall lines.
• Large data gap on 980320.

• Chaff present with some light showers on 980325 caused some data to be flagged.
• Chaff echo present with light showers on 980326 created more serious problems.

X

• Large data gap from midday 980330 to midday 980331...then only three hours of data on the 31st before another gap carries us into April.

X

• 980401 and 980402 contain flagged data because of chaff which could not be removed since precipitation was also present.

• Considerably dry five day period.

• Considerably dry five day period.

X

• New quality control reprocessing strategy successful in bringing back light precip while simultaneously reducing large shield of clear-air return.
• Some strong convection on 980420 tainted with chaff.

X

• Chaff and precip present at the same time on 980421 (bad combination in terms of quality control).
• 980424: first documentation of "smokestack signal" which may be reflectivity returns from wildfires.

X

• TRMM overpass: 980430 0524 UTC - 32 km
  • GV HDF file: 1C51.980430.6.MELB.2.HDF.gz
  • TRMM orbit number: 2418
• Significant precip waits until last 1.5 days of this period to arrive.
• 980430/0524 UTC: fair TRMM overpass

X

• TRMM overpass: 980504 2144 UTC - 70 km
  • GV HDF file: 1C51.980504.22.MELB.2.HDF.gz
  • TRMM orbit number: 2492
• 980504/2144 UTC: decent TRMM overpass but unfortunately some AP remains.
• From ~980426 on, AP at Melb has become noticeably worse. Every day for past 10 days, large shield of clear-air return present over land between 00-10 UTC.

• Abundant AP makes QC difficult when precip is present.

• Considerably dry five day period.

X

• Widespread AP, present all five days (and just about all month) only a problem when precip moved in near the end of this period.

• Very dry five day period.

X

• TRMM overpass: 980529 1404 UTC - 89 km
  • GV HDF file: 1C51.980529.15.MELB.2.HDF.gz
  • TRMM orbit number: 2881
• 980529/1404 UTC: 89 km TRMM overpass but appreciable precipitation is quite a distance from radar.
• 980529 was a particularly troublesome day to QC as strong AP intermingles with light precip. Result was several major QC flags.

X

• Strong convection present on 980531. Rest of period is dry.
• Data gaps on 980602 and 980604.

• 980606: strong reflectivity signature (40+ dB) for wildfires burning in north central Florida.

X

• TRMM overpass: 980612 0156 UTC - 72 km
  • GV HDF file: 1C51.980612.2.MELB.2.HDF.gz
  • TRMM orbit number: 3094
• 980612/0156 UTC: 72 km TRMM overpass. Small cluster of convection present but some AP exists as well.
• Data gaps on 980610, 980611, and 980614.
• 980611: rapid convective development occurs along clearly evident collision between sea breeze front and old outflow boundary.
• Wildfire reflectivity signatures evident on 980614.

X

• No data on 980615 and 980616 (see Melb data gaps for explanation)
• Significant data gaps on 980617, 980618, and 980619.
• Line of convection parallel to coast on 980618.
• Presence of chaff along with difficult AP make QC difficult on 980619

X

• TRMM overpass: 980620 2130 UTC - 141 km
  • GV HDF file: 1C51.980620.22.MELB.2.HDF.gz
  • TRMM orbit number: 3233
• 980620/2130 UTC: decent TRMM overpass (141 km) where PR swat captures a couple of intense cells...unfortunately, some wildfire signatures could not be completely removed.
• Large 12 hour data gaps on 980621 and 980622.
• Some tricky chaff along with some intense convective clusters on 980623.
• Ambiguous chaff present on 980624 along with strong convection helped along by gust front/sea breeze front interactions.

X

• Widespread afternoon convection on 980626 with numerous gust front interactions (strong chaff also present on this day).
• Large data gap on 980627.
• Troublesome chaff echo present again on 980627.
• No data for 980628 (see Melb data gaps).
• 19 hour data gap on 980629.

X

• Strong wildfire signatures on 980630, 980701, 980702, and 980703, some of which could not be removed.
• Large data gap on 980702.
• Widespread convection with decent convective cluster on 980704.

X

• TRMM overpass: 980706 1816 UTC - 88 km
  • GV HDF file: 1C51.980706.18.MELB.2.HDF.gz
  • TRMM orbit number: 3483
• TRMM overpass: 980708 1727 UTC - 26 km
  • GV HDF file: 1C51.980708.18.MELB.2.HDF.gz
  • TRMM orbit number: 3514
• Decent TRMM overpass cases on 980706/1816 UTC and 980708/1727 UTC.
• Significant convection on 980706 980707.
• Intense AP results in several major flags on 980707.
• THis is the first pentad in site log files to note range of remaining AP for flagged time periods.

X

• TRMM overpass: 980710 1639 UTC - 151 km
  • GV HDF file: 1C51.980710.17.MELB.2.HDF.gz
  • TRMM orbit number: 3545
• TRMM overpass: 980713 1438 UTC - 128 km
  • GV HDF file: 1C51.980713.15.MELB.2.HDF.gz
  • TRMM orbit number: 3591
• Decent TRMM overpass case on 980710/1639 UTC.
• Good TRMM overpass case on 980713/1438 UTC.
• Very rainy pentad, with heavy convection and locally to widespread heavy rain occurring each day. 980712 is the day of most rain during this period.
• Circulation of upper-level low evident in convection and showers on 980713 and 980714.

X

• TRMM overpass: 980715 1348 UTC - 21 km
  • GV HDF file: 1C51.980715.14.MELB.2.HDF.gz
  • TRMM orbit number: 3622
• TRMM overpass: 980718 0658 UTC - 34 km
  • GV HDF file: 1C51.980718.7.MELB.2.HDF.gz
  • TRMM orbit number: 3665
• Good TRMM overpass case on 980715/1348 UTC.
• Decent TRMM overpass case on 980718/0658 UTC.
• Significant precipitation in the form of strong convection and stratiform rain on 980715, 980716, 980718, and 980719.
• Great gust front interaction and subsequent storm development on 980719.
• Times of widespread intense AP on 980716-980718 made QC difficult.

X

• TRMM overpass: 980722 1012 UTC - 56 km
  • GV HDF file: 1C51.980722.11.MELB.2.HDF.gz
  • TRMM orbit number: 3730
• Decent TRMM overpass case on 980722/1012 UTC.
• Widespread convection with locally heavy rain on 980720-980722.

X

• Chaff present on 980725.
• Convective clusters with locally heavy rain present on 980728 and 980729.

X

• TRMM overpass: 980802 2254 UTC - 3 km
  • GV HDF file: 1C51.980802.23.MELB.2.HDF.gz
  • TRMM orbit number: 3912
• Decent TRMM overpass case on 980802/2254 UTC. Several convective cells/clusters present over Florida at the time of this 3 km overpass.
• Strong convective clusters with widespread precipitation present on 980801 and 980803.
• Scattered afternoon convection present each day during this time period.

X

• TRMM overpass: 980804 2206 UTC - 117 km
  • GV HDF file: 1C51.980804.23.MELB.2.HDF.gz
  • TRMM orbit number: 3943
• TRMM overpass: 980805 0256 UTC - 138 km
  • GV HDF file: 1C51.980805.3.MELB.2.HDF.gz
  • TRMM orbit number: 3946
• Decent TRMM overpass case (117 km) on 980804/2206 UTC. Precipitation radar swath captures many of the scattered, strong convective cells present over Florida.
• Decent TRMM overpass case (138 km) on 980805/0256 UTC. Active and dissipating convection present at the time as well as large stratiform region which seems to be captured by PR swath
• Strong convection with significant precipitation present on 980804 and 980808.
• No data on 980806 and 980807
• Large data gap on 980805

X

• TRMM overpass: 980809 1916 UTC - 44 km
  • GV HDF file: 1C51.980809.20.MELB.2.HDF.gz
  • TRMM orbit number: 4020
• Decent TRMM overpass case (44 km) on 980809/1916 UTC. Many convective cells present over land at the time of this overpass.
• Scattered afternoon convection with locally heavy rain present each day.
• Some remnants of Titan 4 rocket explosion on 980812 could not be removed without removing light precip as well, due to the relatively strong vertical continuity with the rocket signature.

X

• TRMM overpass: 980815 2141 UTC - 41 km
  • GV HDF file: 1C51.980815.22.MELB.2.HDF.gz
  • TRMM orbit number: 4116
• TRMM overpass: 980817 2052 UTC - 168 km
  • GV HDF file: 1C51.980817.21.MELB.2.HDF.gz
  • TRMM orbit number: 4147
• Decent TRMM overpass (41 km) on 980815/2141 UTC. Convection present over land, formed along gust front-sea breeze front interaction.
• Decent TRMM overpass (168 km) on 980817/2052 UTC. Ample convection present southwest of radar, captured by edge of PR swath.
• Strong convection with locally heavy rain present each day during this time period.
• Several flagged time periods on 980814, 980815 due to the presence of moderate embedded AP

X

• TRMM overpass: 980820 1401 UTC - 141 km
  • GV HDF file: 1C51.980820.15.MELB.2.HDF.gz
  • TRMM orbit number: 4190
• TRMM overpass: 980820 1852 UTC - 113 km
  • GV HDF file: 1C51.980820.19.MELB.2.HDF.gz
  • TRMM orbit number: 4190
• TRMM overpass: 980822 1802 UTC - 2 km
  • GV HDF file: 1C51.980822.19.MELB.2.HDF.gz
  • TRMM orbit number: 4224
• Decent TRMM overpass case (141 km) on 980820/1401 UTC where PR swath cpatures several strong convective cells and moderate to heavy rain.
• Fair TRMM overpass case (113 km) on 980820/1852 UTC where PR swath captures portion of the large stratiform rain region present at the time.
• Decent TRMM overpass case (2 km) on 980822/1802 UTC where several, small convective cells are captured by the PR swath.
• Significant precipitation present on every day except 980823, and even this day had some scattered weak convection.

• Only widely scattered convection during this pentad as subsidence from nearby Hurricane Bonnielimits activity.

X

• Scattered strong convective clusters on 980830-980902 (some days are better than others).
• Strong spurious echoes and AP (often embedded in precip) made quality control difficult on 980831-980902.

X

• TRMM overpass: 980905 1047 UTC - 87 km
  • GV HDF file: 1C51.980905.11.MELB.2.HDF.gz
  • TRMM orbit number: 4440
• Fair TRMM overpass case (87 km) on 980905/1047 UTC where a small cluster of cells is captured by the PR swath.
• Significant convection present on 980903, 980905-980907.
• Troublesome chaff present on 980903 made QC difficult

X

• Strong convection with locally heavy rain on 980908.
• Significant coverage of precip on 980910 (intensity not as strong though as 980908).

X

• TRMM overpass: 980914 0621 UTC - 15 km
  • GV HDF file: 1C51.980914.7.MELB.2.HDF.gz
  • TRMM orbit number: 4579
• TRMM overpass: 980916 0532 UTC - 105 km
  • GV HDF file: 1C51.980916.6.MELB.2.HDF.gz
  • TRMM orbit number: 4610
• TRMM overpass: 980916 2330 UTC - 29 km
  • GV HDF file: 1C51.980916.24.MELB.2.HDF.gz
  • TRMM orbit number: 4622
• Fair TRMM overpass case (15 km) on 980914/0621 UTC where a few scattered cells are captured by PR swath.
• Fair TRMM overpass case (105 km) on 980916/0531 UTC where once again PR swath captures a few scattered convective cells.
• Fair TRMM overpass case (29 km) on 980916/2330 UTC where a significant area of moderate precip, with embedded convection is captured by PR swath. Unfortunately, precip is located over Atlantic and ~125 km from radar.
• Significant precipitation on 980915-980917, with heavy rain event in place during large portions of last two days in pentad.

X

• TRMM overpass: 980918 2241 UTC - 83 km
  • GV HDF file: 1C51.980918.23.MELB.2.HDF.gz
  • TRMM orbit number: 4653
• Decent TRMM overpass case (83 km) on 980918/2241 UTC where PR swath captures several areas of heavy precipitation, including intense convection and moderate stratiform rain.
• Very rainy pentad, with widespread convection present each day.
• Large, troublesome shield of clear-air echo returns around 980919, once again making QC difficult when both CAE and precip are present.

X

• TRMM overpass: 980925 1902 UTC - 44 km
  • GV HDF file: 1C51.980925.20.MELB.2.HDF.gz
  • TRMM orbit number: 4761
• Decent TRMM overpass case (44 km) on 980925/1902 UTC. PR swath captures developing convective band off coast along with two distinct areas of unorganized convection (all related to Hurricane Georges).
• Significant precipitation with locally heavy rain on each day except 980927.
• Widespread AP/CAE present on 980923 and 980924 makes QC difficult.

X

• Significant precipitation on 980930 and 981001, but neither are widespread heavy rain events.
• Widespread weak/moderate AP/CAE on 981002, often embedded in light precipitation, made quality control very difficult (and often futile).

X

• TRMM overpass: 981004 1437 UTC - 113 km
  • GV HDF file: 1C51.981004.15.MELB.2.HDF.gz
  • TRMM orbit number: 4900
• Decent TRMM overpass case (113 km) on 981004/1437 UTC where PR swath captures handful of convective cells in different development stages.
• Significant precipitation on 981004 and 981007.
• Widespread AP on 981003 made quality control difficult.

X

• TRMM overpass: 981009 1147 UTC - 46 km
  • GV HDF file: 1C51.981009.12.MELB.2.HDF.gz
  • TRMM orbit number: 4977
• Fair TRMM overpass case (46 km) on 981009/1147 UTC where PR swath captures several convective cores out over the Atlantic roughly 100-150 km from the radar.
• Significant precip on 981008-981010, and 981012.
• Cells developing late in day on 981011 clearly forced by sea breeze front.

X

• Only significant precip during this pentad occurs on 981017, and even that is not a heavy rain event. Widely scattered showers and weak convection are the dominant mode of precip during this time period.

X

• TRMM overpass: 981018 0721 UTC - 25 km
  • GV HDF file: 1C51.981018.8.MELB.2.HDF.gz
  • TRMM orbit number: 5116
• TRMM overpass: 981020 1122 UTC - 118 km
  • GV HDF file: 1C51.981020.12.MELB.2.HDF.gz
  • TRMM orbit number: 5150
• Decent TRMM overpass case (25 km) on 981018/0721 UTC where PR swath captures both an area of dissipating convection and weak, linearly-oriented convection.
• Fair TRMM overpass case (118 km) on 981020/1122 UTC where PR swath captures region of moderate precip with some embedded convection, off the Florida coast.
• Significant convection present on 981020, 981021, and first half of 981022.
• Chaff echoes make their first significant appearance of the fall on 981022.

• Only precipitation during this pentad occurs as relatively insignificant showers which stream ashore from the Atlantic.
• Moderate to intense AP was a problem at times since it was difficult to remove while not removing the light showers also present.

• Very little precip present during this pentad.

X

• TRMM overpass: 981104 2227 UTC - 160 km
  • GV HDF file: 1C51.981104.23.MELB.2.HDF.gz
  • TRMM orbit number: 5394
• TRMM orbit number: 981105 0318 UTC - 92 km
  • GV HDF file: 1C51.981105.4.MELB.2.HDf.gz
  • TRMM orbit number: 5397
• Decent TRMM overpass case (160 km) on 981104/2227 UTC where PR swath captures northern third of scope which contains widespread light to moderate precip as TS Mitch begins entering central Florida.
• Good TRMM overpass case (92 km) on 981105/0318 UTC where PR swath captures a significant area of moderate precipitation associated with TS Mitch.
• Very big heavy rain event on 981104-981105 due to TS Mitch.
• Sustained period of very intense AP embedded in light precip on 981104 caused many QC problems, leading to numerous flags.

• Very dry pentad, with precip occurring only on 981110, 981111 and even that is rather insignificant.

• Precip present on each day, but none of it is very significant. 981116 has more moderate showers than the previous 4 days of the pentad.
• The presence of both light precip and intense AP made quality control difficult on 981113, 981114.
• Very shallow precipitation on 981116 made QC difficult since parameters had to be reduced to prevent precip removal, but allowed AP to persist as well.

X

• Convection during this pentad is of the scattered variety, with more precip present as you near the end of this period.
• Coupling of very light precipitation and intense AP results in many flagged volume scan on 981117.

X

• Heavy convection present on 981122-981124, with 981124 possessing the most prolific rain event.
• No flagged data during this pentad (a rarity).

• Widely scattered showers and convection during this pentad (nothing terribly organized or impressive).
• Small patch of moderate to intense AP near KSC on 981201 was difficult to remove with so much light precipitation present. The result was many flagged volume scans.

• Widely scattered unorganized convective showers during this pentad (nothing very significant).
• Only QC troublespot for this pentad was a 3 hour period on 981205 where patches of moderate to intense Ap could not be completely removed.

• Widely scattered unorganized convective showers during this pentad (nothing very signific ant).
• No significant QC problems during this pentad.

X

• Broken line of convection with locally heavy rain present 981213 and early 981214.
• NO QC problems during this pentad

X

• Only significant precipitation occurs on 981220 when unorganized convection produces locally heavy rain.

X

• Significant convection present, mainly over the Atlantic, on 981225 and 981226.
• QC troublespots resulting in some flagged data on 981222 and 981224 due to chaff and intense AP, respectively

X

• TRMM overpass: 981228 2327 UTC - 41 km
  • GV HDF file: 1C51/981228.24.MELB.2.HDF.gz
  • TRMM orbit number: 6246
• Fair, 41 km TRMM overpass case where PR swath captures stratiform rain region north of KMLB radar.
• Significant convection present on 981228-981229.
• No major QC troublespots during this pentad period.

X

• TRMM overpass: 990102 1548 UTC - 61 km
  • GV HDF file: 1C51.990102.16.MELB.2.HDF.gz
  • TRMM orbit number: 6246
• Good, 61 km TRMM overpass case where PR swath captures several strong convective cells within 100 km of the radar.
• Significant precipitation on 990102-990105. Possible mesocyclone on 60+ dBZ cell on 990102.
• No major QC troublespots during this pentad.

X

• Strong, MSC-squall line tracks across central Florida on 990110.
• Significant precip present on 990108-990110.
• Peculiar, "smokestack" false echo signal not completely removed on 990108.
• Several major flags for intense AP present on 990110.

X

• Significant precip present 990115.
• Abundant chaff and smokestack signals during this pentad made QC very difficult and resulted in numerous flagged time periods.

X

• TRMM overpass: 990118 0744 UTC - 86 km
  • GV HDF file: 1C51.990118.8.MELB.2.HDF.gz
  • TRMM orbit number: 6567
• Decent, 86 km, TRMM overpass case where PR swath captures southern end of backbuilding squall line off Florida's east coast.
• Significant precip present on 990117-990119.
• Scattered moderate to intense AP and chaff leads to several periods of flagged data.

X

• Significant convection present on 990121, 990123-990124.
• Intense squall line moves through Florida on 990124.
• Chaff and false, smokestack signal lead to several flagged time periods, particularly early on in pentad.

• smokestack signature echo raises several flags on 990130.

X

• TRMM overpass: 990201 0030 UTC - 5 km
  • GV HDF file: 1C51.990201.1.MELB.2.HDF.gz
  • TRMM orbit number: 6783
• Good, 5 km TRMM overpass on 990201 where PR swath captures broad area of stratiform rain located over KMLB radar.
• Significant precipitation presetn each day of this pentad.
• Chaff contamination present 990202-990203.

X

• Only significant precip present on 990209.
• Chaff contamination present on 990208 and very intense AP could not be removed on 990209.

X

• Each day contains significant convection except 990214.

X

• Strong convection present 980218 and start of 980219.
• AP and chaff contamination leads to numerous flagged scans on 980216-990218.
• Contamination from "prescribed-burns" remains on 990218.

• Light showers and weak convection the rule for this pentad.
• Chaff contamination present 990223-990224.
• Significant prescribed burn echo contamination present 990223.

X

• Strong convective line moves across Florida 990228.
• No QC problems.

X

• Large squall line MCS moves through FLorida 990303.
• No QC problems

• Chaff contamination 990309.

X

• Large stratiform rain region with embedded strong convection present 990314 and start of 990315.
• No QC problems

X

• Only precipitation of significance occurs with quasi-stationary convective line on 990321.

X

• TRMM overpass: 990326 2040 UTC - 66 km
  • GV HDF file: 1C51.990326.21.MELB.4.HDF.gz
  • TRMM orbit number: 7632
• Good overpass on 990326 where PR swath captures several convective cells
• Significant precipitation present on 990322 and 990326.
• Intense AP makes QC difficult on 990326; several volume scans are flagged

X

• Convection present only on 990327 and 990331.
• No QC troublespots during this period.

X

• Very active sea breeze this period as convection develops each day during the afternoon. Activity is locally intense and numeorus cell mergers increase areal coverage.
• Intense AP a constant trouble during this period, leading to several flagged volume scans.

X

• TRMM overpass: 990806 2314 UTC - 156 km
  • GV HDF file: 1C51.990806.24.MELB.4.HDF.gz
  • TRMM orbit number: 9731
• TRMM ooverpass: 990810 2136 UTC - 80 km
  • GV HDF file: 1C51.990810.22.MELB.4.HDF
  • TRMM orbit number: 9793
• Decent TRMM overpass on 990806 where PR swath captures convection south of radar
• Good TRMM overpass on 990810 where PR swath captures compact but intense convective cluster noertheast of the radar
• Strong diurnal convection present each day during this period.
• Wildfire plume on 990810 captured by radar. Interestingly enough, can wsee when convective cell moves over fire and puts it out (at least dissipates plume).

X

• Numerous data gaps during this pentad.
• Numerous unorganized convective cells on 990811.
• 990812: collision between outlfow boundary and sea breeze front produces strong linear convection.
• Strong convection present each day during this period, usually in the form of unorganized cells merging into dtronger clusters.

X

• TRMM overpass: 990817 1758 UTC - 35 km
  • GV HDF file: 1C51.990817.18.MELB.4.HDF.gz
  • TRMM orbit number: 9901
• TRMM overpass: 990819 2200 UTC - 107 km
  • GV HDF file: 1C51.990819.23.MELB.4.HDF.gz
  • TRMM orbit number: 9935
• Good overpass on 990817 when PR swath captures several strong, unorganized cells
• Decent TRMM overpass on 990819 where PR swath passes over large stratiform rain region.
• Strong, mostly widespread, convection present each day during this pentad (very rainy 5 day period).
• Embedded AP a serious problem on 990819.
• Horrifically intense AP remains embedded in precip for a short while on 990817.

X

• TRMM overpass: 990821 2112 UTC - 7 km
  • GV HDF file: 1C51.990821.22.MELB.4.HDF.gz
  • TRMM orbit number: 9966
• TRMM overpass: 990823 2023 UTC - 125 km
  • GV HDF file: 1C51.990823.21.MELB.4.HDF.gz
  • TRMM orbit number: 9997
• 990821: Good overpass where PR swath captures large area of rainfall
• 990823: Good overpass where PR swath captures numerous convective cells
• 990821-990823: widespread heavy rain
• No significant AP problems during this pentad.

X

• TRMM overpass: 990828 1734 UTC - 38 km
  • GV HDF file: 1C51.990828.18.MELB.4.HDF.gz
  • TRMM orbit number: 10074
• 990828: Decent TRMM overpass where PR swath captures several convective cells associated with Hurricane Dennis
• Only scattered convection before the approach of Hurricane Dennis on 990828, when rainbands first become visible.
• 990829: Heavy rain and scattered rainband convection off Florida's east coast.

X

• 990831: heavy rain event associated with strong MCS.
• Chaff a QC problem on 990901-990902.

X

• TRMM overpass: 990906 1306 UTC - 28 km
  • GV HDF file: 1C51.990906.14.MELB.4.HDF.gz
  • TRMM orbit number: 10213
• TRMM overpass: 990909 0615 UTC - 11 km
  • GV HDF file: 1C51.990909.7.MELB.4.HDF.gz
  • TRMM orbit number: 10256
• Decent overpass on 990906 where PR swath captures scattered convective cells.
• Fair TRMM overpass on 990909 where PR swath captures small convective cells over the ocean roughly 100 km from radar
• Widespread convection present 990906-990908 (rain present each day during this period).

X

• TRMM overpass: 990911 0527 UTC - 125 km
  • GV HDF file: 1C51.990911.6.MELB.4.HDF.gz
  • TRMM orbit number: 10287
• TRMM overpass: 990911 1017 UTC - 128 km
  • GV HDF file: 1C51.990911.11.MELB.4.HDF.gz
  • TRMM orbit number: 10290
• TRMM overpass: 990913 0929 UTC - 15 km
  • GV HDF file: 1C51.990913.10.MELB.4.HDF.gz
  • TRMM orbit number: 10321
• Three TRMM overpasses: PR swath captures scattered convection
• Strong convection and heavy precipitation present each day during this period.
• Clear-air return a QC problem on 990910-990912.

X

• TRMM overpass: 990915 0840 UTC - 101 km
  • GV HDF file: 1C51.990915.9.MELB.4.HDF.gz
  • TRMM orbit number: 10352
• Very Good overpass on 990915 where PR swath captures strong rainband associated with Hurricane Floyd.
• Widespread heavy rain associated with Hurricane Floyd on 990915.
• Stong convection and abundant rainfall on 990918-990919.

X

• TRMM overpass: 990920 0551 UTC - 59 km
  • GV HDF file: 1C51.990920.6.MELB.4.HDF.gz
  • TRMM orbit number: 10429
• Good overpass on 990920 where PR swath captures broad area of stratiform rain with embedded convection.
• Horrifically intense AP embedded in precip and unremovable on 990920.
• Chaff a QC headache on 990922-990923.
• Heavy rain once again commonplace during this period.

X

• TRMM overpass: 990926 2122 UTC - 150 km
  • GV HDF file: 1C51.990926.22.MELB.4.HDF.gz
  • TRMM orbit number: 10534
• TRMM overpass: 990927 0212 UTC - 103 km
  • GV HDF file: 1C51.990927.3.MELB.4.HDF.gz
  • TRMM orbit number: 10537
• Good overpass on 990926 where PR swath captures large area of stratiform rain with embedded convection.
• Decent overpass on 990927 where PR swath captures convective cells over Atlantic
• Widespread convection and heavy rain 990925-990928.