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Texas, Val Verde

Severe Thunderstorm Watch

Statement as of 3:10 PM CST on November 22, 2014

Expires 11:00 PM EST on November 22, 2014


The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
parts of the Rio Grande Valley and deep south Texas
coastal waters

* effective this Saturday afternoon and evening from 310 PM until
1000 PM CST.

* Primary threats include...
scattered large hail and isolated very large hail events to 2
    inches in diameter possible
scattered damaging wind gusts to 70 mph possible
a tornado or two possible

The Severe Thunderstorm Watch area is approximately along and 65
statute miles east and west of a line from 65 miles north
northeast of del Rio Texas to 20 miles southeast of McAllen
Texas. For a complete depiction of the watch see the associated
watch outline update (wous64 kwns wou7).

Precautionary/preparedness actions...

Remember... a Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings. Severe thunderstorms can and occasionally
do produce tornadoes.


Discussion... thunderstorms are forming over the E slopes of the
mountains in NE Mexico... and will likely move across the Rio Grande
into TX in the next 2-3 hours as a midlevel trough continues moving
ewd. Moderate instability is present over the Rio Grande
Valley... with the strongest vertical shear expected farther S in
proximity to the mid-upper jet. Supercells will be possible with
the initial storms... with large hail the main risk given relatively
steep midlevel lapse rates. Otherwise... storms may tend to grow
upscale by late evening across S TX with an increasing risk for
damaging winds... and perhaps a tornado closer to the coast where
low-level shear will be somewhat stronger.

Aviation... a few severe thunderstorms with hail surface and aloft
to 2 inches. Extreme turbulence and surface wind gusts to 60
knots. A few cumulonimbi with maximum tops to 450. Mean storm
motion vector 26035.


... Thompson

Weather Severe Map
Alabama - Coastal Hazard Statement
Alaska - Wind Advisory , High Wind Warning , Special Statement , Record Report
Arkansas - Tornado Watch
California - Wind Advisory , High Wind Warning , Fire Weather Watch , Fire Weather Warning , Public Information Statement
Colorado - Winter Weather Advisory , Winter Storm Warning , Fire Weather Warning , Special Weather Statement
District of Columbia - Record Report
Florida - Tornado Watch , Coastal Hazard Statement , Fire Weather Advisory
Georgia - Coastal Hazard Statement
Hawaii - Record Report
Idaho - Wind Advisory , Winter Weather Advisory , Winter Storm Warning , Record Report , Public Information Statement
Illinois - Public Information Statement
Indiana - Record Report , Public Information Statement
Iowa - Special Statement
Kansas - Fire Weather Warning , Public Information Statement
Kentucky - Record Report
Louisiana - Tornado Watch , Coastal Flood Advisory
Maine - Freezing Rain Advisory
Maryland - Record Report , Public Information Statement
Massachusetts - Special Statement
Michigan - Special Statement , Record Report , Public Information Statement
Minnesota - Special Statement
Mississippi - Coastal Flood Advisory
Missouri - Public Information Statement
Montana - High Wind Warning , Wind Advisory , Lake Wind Advisory , Winter Weather Advisory
Nebraska - Flood Advisory , Fire Weather Warning , Special Statement
Nevada - Wind Advisory , High Wind Warning , Winter Weather Advisory , Winter Storm Warning , Special Statement
New Hampshire - Freezing Rain Advisory , Special Statement
New Jersey - Special Statement
New Mexico - Wind Advisory , High Wind Warning , High Wind Watch
New York - Areal Flood Watch , High Wind Watch , Freezing Rain Advisory , Winter Weather Advisory , Special Statement
North Carolina - High Wind Watch
North Dakota - Special Statement
Ohio - Record Report , Public Information Statement
Oklahoma - Tornado Watch , Areal Flood Advisory
Oregon - Winter Weather Advisory , Public Information Statement
Pennsylvania - Freezing Rain Advisory , Special Statement , Special Weather Statement , Record Report , Public Information Statement
South Carolina - Flash Flood Watch
South Dakota - High Wind Watch
Tennessee - High Wind Watch
Texas - Severe Thunderstorm Watch , Tornado Warning , Tornado Watch , Severe Thunderstorm Warning , Flash Flood Warning , Areal Flood Advisory , Coastal Hazard Statement , Coastal Flood Advisory , Wind Advisory , High Wind Watch , Special Statement , Special Weather Statement , Public Information Statement
Utah - Wind Advisory , Winter Weather Advisory , Winter Storm Warning , Avalanche Warning , Special Weather Statement , Public Information Statement
Vermont - Freezing Rain Advisory , Special Statement
Virginia - High Wind Watch , Record Report
Washington - Winter Weather Advisory , Winter Storm Watch , Winter Storm Watch, Winter Weather Advisory , Record Report , Public Information Statement
West Virginia - Record Report , Public Information Statement
Wisconsin - Special Statement
Wyoming - High Wind Watch , High Wind Warning , Winter Storm Warning , Winter Weather Advisory , Special Statement , Special Weather Statement , Public Information Statement
- Tornado Watch
- Gale Watch
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