MESOSCALE DISCUSSION 1870
   NWS STORM PREDICTION CENTER NORMAN OK
   0734 PM CDT FRI AUG 05 2011
   
   AREAS AFFECTED...NRN TX PANHANDLE...OK PANHANDLE...SWRN KS
   
   CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY 
   
   VALID 060034Z - 060230Z
   
   A SHORT-TERM THREAT FOR ISOLATED STRONG TO SEVERE WIND GUSTS MAY
   PERSIST THIS EVENING...BUT SHOULD REMAIN TOO MARGINAL TO WARRANT A
   WW ISSUANCE.
   
   TWO REPORTS OF MEASURED SEVERE WIND GUSTS HAVE BEEN OBSERVED AT THE
   DALHART TX ASOS AND BOISE CITY OK MESONET SITES DURING THE PAST
   HOUR...WITHIN PULSE TO MULTICELLULAR CLUSTERS PERSISTING N OF A
   SLOW-MOVING COLD FRONT/COMPOSITE OUTFLOW ACROSS THE SRN TX PANHANDLE
   FROM DEAF SMITH TO WHEELER COUNTIES. DESPITE A STEEP LOW-LEVEL LAPSE
   RATE ENVIRONMENT SAMPLED BY THE 00Z AMA RAOB...THE MOST INTENSE TSTM
   CORES HAVE REMAINED FARTHER N WHERE SOMEWHAT STRONGER 20-25 KT
   DEEP-LAYER FLOW EXISTS AS SAMPLED BY THE 00Z DDC RAOB. GIVEN LOW TO
   MIDDLE 60S SURFACE DEW POINTS AND LIGHT NELY SURFACE WINDS...THE
   COMBINATION OF MODERATE BUOYANCY AND MODEST DEEP-LAYER SHEAR MAY
   ALLOW FOR ISOLATED SEVERE WIND GUSTS TO PERSIST THROUGH ABOUT
   03-04Z.
   
   ..GRAMS.. 08/06/2011
   
   
   ATTN...WFO...OUN...DDC...AMA...PUB...
   
   LAT...LON   37020254 37610220 38070058 37879990 37349971 37039955
               36279980 35730050 35690141 35650204 35730230 37020254