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Mesoscale Discussion 212
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   MESOSCALE DISCUSSION 0212
   NWS STORM PREDICTION CENTER NORMAN OK
   1257 PM CST FRI MAR 02 2012
   
   AREAS AFFECTED...NRN/CNTRL MS...NWRN AL
   
   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 
   
   VALID 021857Z - 022000Z
   
   THE POTENTIAL FOR TSTMS CAPABLE OF PRODUCING LARGE HAIL...DMGG
   WINDS...AND ISOLATED TORNADOES APPEARS TO BE INCREASING. CONVECTIVE
   TRENDS ARE BEING MONITORED FOR A POSSIBLE WW.
   
   STRONG DIABATIC HEATING IS OCCURRING ACROSS MUCH OF MS/AL WITH
   TEMPERATURES REACHING THE LOWER 80S...SUPPORTING MLCAPE VALUES NEAR
   1000-1500 J/KG /PER 18Z JAN AND BMX SOUNDINGS/. RECENT RADAR TRENDS
   SHOW WEAK ECHOES DEVELOPING APPROXIMATELY 35 SSE GWO ALONG A
   PERSISTENT CLOUD BAND /PERHAPS COINCIDENT WITH A BROAD LOW-LEVEL
   CONFLUENCE ZONE/...WHILE A WEAK WAA ADVECTION REGIME IS PRESENT
   AHEAD OF AN APPROACHING CNTRL CONUS UPPER TROUGH...BUT VISIBLE
   SATELLITE IMAGES SUGGEST WEAK CINH MAY STILL BE PRESENT ACROSS MOST
   OF THE AREA. A SYNOPTIC-SCALE COLD FRONT STILL REMAINS POSITIONED
   WELL TO THE W...BUT A GRADUAL INCREASE IN TSTM COVERAGE/INTENSITY IS
   ANTICIPATED THROUGH THIS AFTERNOON IN THE PRE-FRONTAL AIR MASS.
   DGX/GWX VWP DATA SHOW STRONG LOW-LEVEL WINDS VEERING WITH
   HEIGHT...WITH THE ENVIRONMENT SUPPORTIVE OF ROTATING STORMS CAPABLE
   OF PRODUCING LARGE HAIL...DMGG WINDS...AND ISOLATED TORNADOES.
   
   ..ROGERS.. 03/02/2012
   
   
   ATTN...WFO...BMX...HUN...MEG...JAN...
   
   LAT...LON   34368692 33388809 32418968 32509069 33659082 34888975
               34958785 34888706 34368692 
   
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Page last modified: March 02, 2012
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