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Severe Thunderstorm Watch 253
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WW0253 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Moderate Moderate

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL3

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 253
   NWS Storm Prediction Center Norman OK
   1010 AM CDT Sat May 20 2017

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     South Central Texas

   * Effective this Saturday morning and afternoon from 1010 AM
     until 500 PM CDT.

   * Primary threats include...
     Scattered large hail and isolated very large hail events to 2.5
       inches in diameter possible
     Scattered damaging wind gusts to 70 mph possible
     A tornado or two possible

   SUMMARY...Strong/severe storms currently west of San Antonio are
   expected to develop eastward and southeastward along an outflow
   boundary into a very warm and moist air mass.  The stronger storms
   will be capable of producing large hail and damaging wind gusts.

   The severe thunderstorm watch area is approximately along and 60
   statute miles either side of a line from 90 miles west northwest of
   Cotulla TX to 20 miles east northeast of Victoria TX. For a complete
   depiction of the watch see the associated watch outline update
   (WOUS64 KWNS WOU3).

   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.

   &&

   AVIATION...A few severe thunderstorms with hail surface and aloft to
   2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
   few cumulonimbi with maximum tops to 550. Mean storm motion vector
   26025.

   ...Weiss
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Page last modified: May 20, 2017
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