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Alberto, the first storm of the 2006 Atlantic hurricane season, made landfall
midday on Tuesday 13 June 2006 along a remote section of the northeast Gulf
coast of Florida as a moderate tropical storm. As the storm moved inland across
north Florida, southeast Georgia, and South and North Carolina, it brought
with it heavy but much needed rain. Wild fires have been a problem across
Florida, and the Southeast has been dry in general, so Alberto's rains have
been very beneficial to the region.
The Tropical Rainfall Measuring Mission or TRMM satellite came into service in
November of 1997. From its low-earth orbit, TRMM has been measuring rainfall
over the global Tropics using a combination of passive microwave and active
radar sensors. The TRMM-based, near-real time Multi-satellite Precipitation
Analysis (MPA) at the NASA Goddard Space Flight Center monitors rainfall over
the global Tropics. MPA rainfall totals are shown here for the period 10 to
14 June 2006 for Florida and the surrounding region. The track of Alberto is
also shown for reference. The highest rainfall totals for the period (shown in
red) are on the order of 15 to 20 inches over western Cuba. There is a
widespread area of rain covering Florida, Georgia, and South and North Carolina.
Amounts here are mostly less than 5 inches (blue areas). However, an band of
6 to up 8 inches of rain locally (green and yellow areas) extends from central
South Carolina eastward across eastern North Carolina. After making landfall,
Alberto's circulation interacted with a stationary front that was draped across
the Southeast. The bulk of the rain fell east of the storm track. This is
consistent with Alberto's asymmetric structure due to the wind shear.
TRMM is a joint mission between NASA and the Japan Aerospace Exploration Agency (JAXA). Images produced by Hal Pierce (SSAI/NASA GSFC) and caption by Steve Lang (SSAI/NASA GSFC).
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| Web Curator: Harold.F.Pierce@nasa.gov |
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