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Mesoscale Discussion 991
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   MESOSCALE DISCUSSION 0991
   NWS STORM PREDICTION CENTER NORMAN OK
   0432 PM CDT THU JUN 17 2010
   
   AREAS AFFECTED...SOUTHEAST NEB AND SOUTHWEST IA/NORTHWEST MO TO
   NORTH-CENTRAL/WEST-CENTRAL KS
   
   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 
   
   VALID 172132Z - 172230Z
   
   ISOLATED TO SCATTERED STRONG/SEVERE TSTMS APPEAR LIKELY TO DEVELOP
   ACROSS SOUTHEAST NEB AND NORTH-CENTRAL/WEST-CENTRAL KS INTO
   SOUTHWEST IA/NORTHWEST MO THROUGH EARLY EVENING. SEVERE
   HAIL/DAMAGING WINDS WILL BE POSSIBLE...AND A WATCH MAY BE NEEDED.
   
   TOWERING CU IS NOTED IN LATEST VISIBLE SATELLITE
   IMAGERY...ESPECIALLY ACROSS WEST-CENTRAL KS...ALONG A PRE-COLD
   FRONTAL TROUGH EXTENDING FROM SOUTHEAST NEB SOUTHWESTWARD INTO
   WEST-CENTRAL KS. THE AMBIENT BOUNDARY LAYER IS STRONGLY
   HEATED/WEAKLY CAPPED WITH SURFACE TEMPERATURES WELL INTO THE 90S
   F...AND TSTM DEVELOPMENT MAY BE AIDED BY A SUBTLE/ELONGATED MID
   LEVEL IMPULSE ON THE SOUTHERN PERIPHERY OF THE MORE SUBSTANTIAL
   NORTHERN PLAINS UPPER TROUGH. WITH THE REGION ON THE SOUTHERN
   PERIPHERY OF STRONGER SOUTHWESTERLY FLOW ALOFT...VERTICAL SHEAR OF
   25-35 KT /STRONGEST ACROSS SOUTHEAST NEB AND NORTHERN KS/ COMBINED
   WITH MODERATE INSTABILITY WILL SUPPORT SOME SUSTAINED/ORGANIZED
   STORMS INCLUDING MULTICELLS/FEW SUPERCELLS. EXPECTED SEVERE TSTM
   COVERAGE IS A BIT QUESTIONABLE...BUT SHORT TERM TRENDS WILL BE
   CLOSELY MONITORED AND A WATCH MAY BE NECESSARY.
   
   ..GUYER.. 06/17/2010
   
   
   ATTN...WFO...DMX...EAX...OAX...TOP...ICT...GID...DDC...GLD...
   
   LAT...LON   41179675 40639471 38719757 38350077 39479925 41179675 
   
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