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Mesoscale Discussion 1552
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   MESOSCALE DISCUSSION 1552
   NWS STORM PREDICTION CENTER NORMAN OK
   0711 PM CDT TUE AUG 12 2014

   AREAS AFFECTED...S-CENTRAL AND SE WA...NRN ORE AND A SMALL PART OF
   THE WRN ID PANHANDLE

   CONCERNING...SEVERE THUNDERSTORM WATCH 459...

   VALID 130011Z - 130115Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 459
   CONTINUES.

   SUMMARY...ISOLATED STRONG TO SEVERE WINDS WILL CONTINUE TO BE
   POSSIBLE WITH THUNDERSTORMS MOVING INTO CENTRAL WA AND THE ID
   PANHANDLE FOR A FEW MORE HOURS THIS EVENING. THE SEVERE THREAT HAS
   DIMINISHED FURTHER SOUTH ALONG THE WA/ORE BORDER HOWEVER.

   DISCUSSION...A FEW STRONG WIND GUSTS WILL BE POSSIBLE MAINLY ACROSS
   NORTHERN PORTIONS OF WW 459 IN ERN WA INTO THE ID PANHANDLE.
   HERE...TEMPERATURES ARE IN THE 90S RESULTING IN STEEP LOW LEVEL
   LAPSE RATES AND DCAPE VALUES GREATER THAN 1000 J/KG. ELSEWHERE
   ACROSS THE WATCH AREA...SHOWERS AND THUNDERSTORMS MOVING THROUGH
   EARLY IN THE AFTERNOON HAVE RESULTED IN COOLER TEMPS AND BOUNDARY
   LAYER STABILIZATION ACROSS NRN OREGON. AS SUCH...THE SEVERE THREAT
   SHOULD REMAIN CONFINED TO NORTHERN PORTIONS OF THE WATCH AREA THE
   REMAINDER OF THE AFTERNOON. A NEW WATCH IS NOT EXPECTED AT THIS
   TIME...BUT A FEW COUNTIES ALONG THE NORTHERN EDGE OF THE WATCH WILL
   BE INCLUDED BY WFO OTX WHERE THERMODYNAMIC PROFILES WILL SUPPORT
   CONTINUED STRONG/LOCALLY SEVERE WINDS.

   ..LEITMAN.. 08/13/2014


   ATTN...WFO...MSO...BOI...OTX...PDT...SEW...PQR...

   LAT...LON   46392196 46692169 47672105 48022035 48201921 48051718
               47791641 47481593 47191594 46871590 45981657 45071675
               45042201 46392196 

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Page last modified: August 13, 2014
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