Tropical Storm Don (Updated: 4:30pm CDT, 7/29/2011)

Watches/Warnings:

A TROPICAL STORM WARNING IS IN EFFECT FOR
* TEXAS COAST FROM THE MOUTH OF RIO GRANDE TO MATAGORDA

A TROPICAL STORM WARNING CONTINUES FOR THE FOLLOWING LOCATIONS IN THE LOWER RGV:  INLAND CAMERON…INLAND WILLACY…COASTAL CAMERON…COASTAL WILLACY…HIDALGO…STARR…JIM HOGG…BROOKS…KENEDY

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA…GENERALLY WITHIN 48 HOURS.

Here is the latest on TS Don, as of 4:00pm CDT:

LOCATION…26.9N 96.2W
ABOUT 95 MI…155 KM SE OF CORPUS CHRISTI TEXAS
ABOUT 105 MI…170 KM NE OF BROWNSVILLE TEXAS
MAXIMUM SUSTAINED WINDS…50 MPH…85 KM/H
PRESENT MOVEMENT…WNW OR 300 DEGREES AT 16 MPH…23 KM/H
MINIMUM CENTRAL PRESSURE…1004 MB…29.65 INCHES

Figure 1. 4pm CDT NHC forecast track of TS Don.

 

Quantitative Precipitation Forecast from NWS Corpus Christi:

Figure 2. Quantitative precipitation forecast from the NWS Corpus Christi

 

Rain bands from TS Don have already come ashore the South Texas coast.  The center of the storm should make landfall in the next 10-12 hours.  Heavy rainfall will be in store for most of the Rio Grande Valley late tonight and into early Saturday morning.  Expect anywhere from 1″-4″, with locally heavier rainfall totals, before TS Don dissipates over the next 2-3 days.   Here is the latest IR satellite image, as well as visible satellite:

Figure 2. IR satellite image of TS Don. Warmer colors indicate higher cloud tops.

Figure 3. Visible satellite image of TS Don. This is the view you would see from space.

About Brian

University of Oklahoma graduate with a degree in Meteorology. Follow me on Twitter: @WeatherInformer
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