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Severe Thunderstorm Watch 199
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WW0199 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
High Moderate
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.
   SEL9

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 199
   NWS Storm Prediction Center Norman OK
   330 PM CDT Fri Jun 22 2018

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Extreme northeastern New Mexico
     The Oklahoma Panhandle
     Much of the Texas Panhandle

   * Effective this Friday afternoon and evening from 330 PM until
     1000 PM CDT.

   * Primary threats include...
     Scattered damaging winds and isolated significant gusts to 75
       mph likely
     Scattered large hail likely with isolated very large hail events
       to 2.5 inches in diameter possible
     A tornado or two possible

   SUMMARY...Thunderstorms are developing across northeastern New
   Mexico, and some of these storms should intensify while moving
   east-southeastward toward the Texas and Oklahoma Panhandles.  The
   storm environment will initially favor supercells with the potential
   for very large hail.  Some upscale growth of storms is expected,
   from either the initial New Mexico storms or new storms expected to
   form in southeastern Colorado, and the convection should spread
   east-southeastward as a larger cluster through late evening. 
   Damaging winds will become the main threat by this evening, while an
   isolated tornado could occur with the initial supercells or later
   storm interactions.

   The severe thunderstorm watch area is approximately along and 100
   statute miles east and west of a line from 30 miles northwest of
   Guymon OK to 30 miles southwest of Borger TX. For a complete
   depiction of the watch see the associated watch outline update
   (WOUS64 KWNS WOU9).

   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 197...WW 198...

   AVIATION...A few severe thunderstorms with hail surface and aloft to
   2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
   few cumulonimbi with maximum tops to 550. Mean storm motion vector
   29035.

   ...Thompson
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Page last modified: June 23, 2018
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