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Mesoscale Discussion 611
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   MESOSCALE DISCUSSION 0611
   NWS STORM PREDICTION CENTER NORMAN OK
   0437 PM CDT TUE MAY 18 2010
   
   AREAS AFFECTED...EASTERN WY/NEB PANHANDLE
   
   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 
   
   VALID 182137Z - 182300Z
   
   THREAT FOR ISOLATED SEVERE HAIL/A BRIEF TORNADO WILL INCREASE OVER
   THE NEXT FEW HOURS MAINLY ACROSS PORTIONS OF SOUTHEAST/EAST CENTRAL
   WY AND THE NEB PANHANDLE.
   
   AHEAD OF AN UPPER TROUGH NEARING THE FOUR CORNERS VICINITY...LARGE
   SCALE HEIGHT FALLS IN CONJUNCTION WITH MOIST EAST-SOUTHEASTERLY LOW
   LEVEL UPSLOPE FLOW WILL SUPPORT ISOLATED TO SCATTERED STRONG/SEVERE
   TSTMS THROUGH THE EARLY EVENING HOURS. WITH RELATIVELY
   MODEST/BACKING MID LEVEL SOUTHERLY FLOW ATOP THE BOUNDARY LAYER
   /ESPECIALLY WITH NORTHWARD EXTENT ACROSS EASTERN WY/...STORMS MAY
   NOT BE PARTICULAR ORGANIZED/SUSTAINED. NONETHELESS...A FEW
   SUPERCELLS/ORGANIZED STORMS CAPABLE OF SEVERE HAIL /PERHAPS A BRIEF
   TORNADO/ WILL BE POSSIBLE ESPECIALLY ACROSS SOUTHEAST WY INTO THE
   NEB PANHANDLE. A WATCH IS NOT CURRENTLY ANTICIPATED...BUT CONVECTIVE
   TRENDS ARE BEING MONITORED FOR A GREATER/SUSTAINED SEVERE RISK AND
   POSSIBLE WATCH.
   
   ..GUYER.. 05/18/2010
   
   
   ATTN...WFO...UNR...CYS...RIW...
   
   LAT...LON   43830622 44150499 42700324 41280294 41380581 43830622 
   
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Page last modified: May 18, 2010
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