MESOSCALE DISCUSSION 0096
   NWS STORM PREDICTION CENTER NORMAN OK
   0350 PM CST TUE FEB 08 2011
   
   AREAS AFFECTED...SRN KS...NWRN OK...OK/NRN TX PANHANDLES...EXTREME
   SERN CO
   
   CONCERNING...HEAVY SNOW 
   
   VALID 082150Z - 090245Z
   
   HEAVY SNOWFALL RATES OF 1-2 INCHES WILL PERSIST ACROSS MUCH OF SRN
   KS...AND EXPAND INTO NWRN OK AND THE OK/NRN TX PANHANDLES THIS
   EVENING. LOCALLY REDUCED VISIBILITIES WITH N/NELY WINDS OF 20-30 MPH
   WILL OCCUR AT TIMES.
   
   AN ELONGATED BAND OF HEAVY SNOWFALL LOCATED OVER SRN KS HAS REMAINED
   NEARLY STATIONARY...PRODUCING SNOWFALL RATES OF 1-2 INCHES. STRONG
   LOWER-MID LEVEL FLOW /SAMPLED AT 40-50 KTS PER ICT AND DDC VWP DATA/
   WILL CONTINUE TO FOCUS BROAD ZONE OF ISENTROPIC UPGLIDE ACROSS THE
   DISCUSSION AREA. DEEP SATURATED DENDRITIC GROWTH LAYER ATOP COLD
   ARCTIC AIR MASS WILL YIELD VERY HIGH LIQUID SNOWFALL RATIOS AROUND
   20-30:1. WITH TIME...MID-LEVEL FORCING WILL INCREASE IN RESPONSE TO
   DCVA AHEAD OF AN APPROACHING UPPER SHORTWAVE TROUGH CURRENTLY
   POSITIONED OVER THE SRN ROCKIES /PER WATER VAPOR IMAGERY/.
   ADDITIONALLY...140+ KT UPPER JET WILL BECOME REPOSITIONED FROM ERN
   NM INTO WRN OK...PLACING MUCH OF THE NRN TX PANHANDLE/NWRN OK AND
   SRN KS IN THE FAVORABLE CYCLONIC EXIT REGION. THIS WILL CONTINUE TO
   SUPPORT A SWD EXPANSION OF HEAVY SNOWFALL INTO THE NRN TX PANHANDLE
   AND NWRN OK.
   
   ..ROGERS.. 02/08/2011
   
   
   ATTN...WFO...SGF...EAX...TSA...TOP...ICT...OUN...DDC...GLD...
   AMA...PUB...ABQ...
   
   LAT...LON   35130240 35840304 37340273 37680232 38050190 38440117
               38839809 38749602 38259494 37759462 37319483 36929579
               36069840 35510043 35130240