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Severe Thunderstorm Watch 297
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WW0297 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Very Low Very Low
Severe Wind 65 kt+ Wind
Low 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.
   SEL7

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 297
   NWS Storm Prediction Center Norman OK
   740 PM CDT Sun May 28 2017

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     South Texas

   * Effective this Sunday night and Monday morning from 740 PM
     until 300 AM CDT.

   * Primary threats include...
     Isolated very large hail events to 2.5 inches in diameter
       possible
     Isolated damaging wind gusts to 70 mph possible

   SUMMARY...Isolated severe thunderstorms should continue to increase
   especially near the Rio Grande River vicinity this evening, with the
   possibility of other storms gradually spreading in from Mexico
   and/or south-central Texas. A very moist and unstable environment
   will support the possibility of large hail and severe-caliber wind
   gusts.

   The severe thunderstorm watch area is approximately along and 60
   statute miles north and south of a line from 25 miles west southwest
   of Laredo TX to 10 miles north of Alice TX. 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.

   &&

   OTHER WATCH INFORMATION...CONTINUE...WW 293...WW 294...WW
   295...WW 296...

   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 600. Mean storm motion vector
   33015.

   ...Guyer
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Page last modified: May 29, 2017
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