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TTR Weather Update for COLORADO, JACKSON, and WHARTON Counties from NWS HOUSTON – GALVESTON

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A series of upper level disturbances coupled with a cold front will bring several rounds of showers and thunderstorms to Southeast Texas beginning late Tuesday night or very early Wednesday morning and again late Wednesday afternoon and evening.

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An upper level disturbance will approach the region from the southwest late Tuesday night. This disturbance will bring showers and thunderstorms to Southeast Texas. Conditions with these storms look favorable to produce large hail and brief but locally heavy rain. The disturbance will exit the region around noon.

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Timing: Wednesday morning 4 AM to Noon
Confidence with the first event is moderate to high.
A second disturbance coupled with a cold front will trigger a second round of showers and thunderstorms toward evening. This episode of storms could also produce severe weather with strong damaging winds as the primary severe weather hazard.

Timing: Wednesday 4 PM to 11 PM
Confidence with the second event is low to moderate.

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Alternate Possibilities
Like Saturday night, a few of the models show capping in place for the second event which will limit the convective potential.
Cloud debris from the morning storms may limit heating and lower the threat for active weather in the afternoon.
Resources
NWS Houston/Galveston Webpage: www.weather.gov/houston
Hourly Forecasts (Click Your Location): http://forecast.weather.gov/gridpoint.php?site=hgx&TypeDefault=graphical
West Gulf River Forecast Center Webpage: www.weather.gov/wgrfc
AHPS Webpage: http://water.weather.gov/ahps2/index.php?wfo=hgx

Charles Roeseler and Paul Lewis
National Weather Service – Houston/Galveston, TX
Twitter: @NWSHouston
Facebook: NWSHouston

TTR WEATHER UPDATE FOR VICTORIA CROSSROADS AREA AND COASTAL BEND, INCLUDING GOLIAD AND VICTORIA COUNTIES from the National Weather Service in Corpus Christi

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…Severe Weather Risk for Wednesday Evening…
…Gale Watch in effect for Wednesday Night…

Briefing:
A strong late season cold front will rapidly push south across the Middle Texas Coastal Waters Wednesday Night. A period of strong to very strong north flow is likely to occur in its wake. Gale conditions will be possible across the Offshore waters of the Middle Texas Coast and possibly the Nearshore waters off Padre and Mustang Islands. The worst winds should be over by sunrise Thursday.

 

A rapidly moving line of showers and thunderstorms may develop near the Victoria area early Wednesday evening and strengthen as it pushes south across the Coastal Plains. Strong to severe thunderstorms will be possible along this line, if it develops, with the greatest threat of severe weather currently expected to be across the Coastal Plains and Gulf waters.

Forecast & Impacts:

Marine Wind:

Becoming north sustained 25 to 30 knots across area bays and adjacent nearshore waters.
Sustained north 30 to 35 knots with gusts around 40 knots across offshore waters.
Strongest winds from late evening until late in the night.

Seas/Bays:

Seas will rapidly build to 6 to 8 feet across the nearshore waters and 9 to 12 feet across the offshore waters.
Bays will become rough to occasionally very rough.
Impacts:

Operating a vessel in gale conditions requires experience and properly equipped vessels.
The Gale Watch is intended to provide additional lead time for mariners who may wish to consider altering their plans.
It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
Severe Weather:

A line of thunderstorms may develop across the Victoria area towards sunset and rapidly shift south during the evening.
If the line develops, it may strengthen as it moves across the Coastal Plains.
Strong to severe thunderstorms will be possible as the line develops.
Strong straight-line winds, large hail, and frequent lightning will be the primary storm threats.

 

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Please reference the additional resources below for more information.
Additional Information Resources:
NWS Corpus Christi Marine Webpage: http://www.weather.gov/crp/marine
Storm Prediction Center: www.spc.noaa.gov/
Online Severe Weather Reporting: http://www.srh.noaa.gov/StormReport/SubmitReport.php?site=crp

Sincerely,

Rob Hart
Forecaster
NWS Corpus Christi, TX

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