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Mesoscale Discussion 319
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   MESOSCALE DISCUSSION 0319
   NWS STORM PREDICTION CENTER NORMAN OK
   0441 PM CDT WED APR 09 2014

   AREAS AFFECTED...SRN ND AND NRN SD

   CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY 

   VALID 092141Z - 092300Z

   CORRECTED FOR WORDING

   PROBABILITY OF WATCH ISSUANCE...5 PERCENT

   SUMMARY...A WIND DAMAGE THREAT MAY CONTINUE TO MOVE ACROSS PARTS OF
   SRN ND AND NRN SD EARLY THIS EVENING. THE THREAT WILL REMAIN
   ISOLATED AND WW ISSUANCE IS NOT ANTICIPATED.

   DISCUSSION...THE LATEST WATER VAPOR IMAGERY SHOWS A SHORTWAVE TROUGH
   NEAR THE MT-ND STATE-LINE. THIS FEATURE WILL MOVE EWD INTO THE WRN
   DAKOTAS OVER THE NEXT FEW HOURS PROVIDING LARGE-SCALE ASCENT TO AID
   THUNDERSTORM DEVELOPMENT. AT THE SFC...A COLD FRONT EXTENDS SWWD
   FROM NEAR GRAND FORKS ND SWWD TO NEAR PIERRE SD. SFC DEWPOINTS ALONG
   THE TROUGH RANGE FROM THE LOWER 30S F TO THE UPPER 40S F IN ERN ND.
   IN ADDITION TO THE DRY BOUNDARY LAYER...SFC TEMPS ARE IN THE MID TO
   UPPER 70S F. TEMP-DEWPOINT SPREADS AROUND 40 F ALONG WITH INVERTED-V
   THERMODYNAMIC PROFILES EVIDENT ON FORECAST SOUNDINGS SHOULD HELP
   ACCELERATE DOWNDRAFT SPEEDS. AS A RESULT...CONDITIONS APPEAR
   FAVORABLE FOR STRONG OUTFLOW GUSTS WITH THE DEVELOPING SHOWERS AND
   ISOLATED THUNDERSTORMS. A WIND GUST OF 67 KT OCCURRED AT HETTINGER
   AT 2030Z AND A FEW MORE WIND GUSTS ABOVE 60 KT CAN NOT BE RULED OUT
   AS SHOWERS AND THUNDERSTORMS INCREASE IN COVERAGE OVER THE NEXT FEW
   HOURS.

   ..BROYLES/EDWARDS.. 04/09/2014


   ATTN...WFO...FGF...ABR...BIS...UNR...

   LAT...LON   44690153 45379898 45939757 46409718 46989713 47409770
               47469870 46570131 46180269 45710314 45190310 44760267
               44690153 

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Page last modified: April 09, 2014
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