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Alberto moving into Mexico, but large windfield causing surge flooding along Texas Coast. Also Invest 92L now being tracked east of the Bahamas.
Days since last H. Landfall - US: Any 295 (Idalia) , Major: 295 (Idalia) Florida - Any: 295 (Idalia) Major: 295 (Idalia)
TS Alberto
ADV#11 10:00 am EDT
22.3N 97.3W
Wind: 50MPH
Pres: 993mb
Moving:
W at 13 mph
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Archives 2010s >> 2011 News Talkbacks
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Ed DunhamAdministrator
Former Meteorologist & CFHC Forum Moderator (Ed Passed Away on May 14, 2017)


Reged:
Posts: 2565
Loc: Melbourne, FL
Re: Tropical Storm Don Rainfall Totals
      Sat Jul 30 2011 03:44 PM

As Don approached the coast it encountered dry air aloft near 95W (its still there). Although Don was a small system, the outer circulation of Don probably had been drawing this dry airmass down from east Texas for quite a few hours as the tropical storm moved closer to the coast. The high temperatures in Laredo were 106 on the 27th, 105 on the 28th and 102 on the 29th with dewpoints in the high 50s to mid 60s. Picking College Station as an example further to the north where the dry air would have originated, the high temperatures for those same days were 103,102 and 99. With northerly winds aloft that were enhanced by the circulation of the storm, the dry air over east Texas (surface and aloft) wiped out the convection before the cyclone reached land in south Texas. Normally in east Texas the summers, under southerly flow, are hot and humid. This year the southerly flow is there at the surface, but its been dry aloft.

Rainfall totals from Don:
Corpus Christi 0.02
Harlingen 0.20
Brownsville 0.63
ED

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Entire topic
Subject Posted by Posted on
* Tropical Storm Don Landfall Tonight North of Brownsville and 91L MikeCAdministrator Sat Jul 30 2011 03:44 PM
. * * Re: Tropical Storm Don Rainfall Totals Ed DunhamAdministrator   Sat Jul 30 2011 03:44 PM
. * * Re: Tropical Storm Don Landfall Tonight North of Brownsville and 91L MikeCAdministrator   Sat Jul 30 2011 03:35 PM
. * * Re: Tropical Storm Don Landfall Tonight North of Brownsville and 91L Allison   Sat Jul 30 2011 02:49 PM
. * * Re: Tropical Storm Don Landfall Tonight North of Brownsville and 91L WesnWylie   Sat Jul 30 2011 04:06 AM
. * * Re: Tropical Storm Don Landfall Tonight North of Brownsville and 91L MikeCAdministrator   Sat Jul 30 2011 02:13 AM
. * * Re: Tropical Storm Don Landfall Tonight North of Brownsville and 91L MikeCAdministrator   Fri Jul 29 2011 11:11 PM
. * * Re: Tropical Storm Don Landfall Tonight North of Brownsville and 91L MikeCAdministrator   Fri Jul 29 2011 12:47 PM

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