MESOSCALE DISCUSSION 2210
   NWS STORM PREDICTION CENTER NORMAN OK
   0628 AM CST TUE DEC 11 2007
   
   AREAS AFFECTED...CNTRL AND NE KS...FAR SE NEB...NW MO AND SRN IA
   
   CONCERNING...FREEZING RAIN 
   
   VALID 111228Z - 111630Z
   
   MODERATE TO HEAVY FREEZING RAIN WILL CONTINUE ACROSS SRN AND NERN KS
   AND INCREASE ACROSS NW MO AND SRN IA THIS MORNING. ICE ACCUMULATION
   OF A TENTH OF AN INCH PER HOUR WILL BE POSSIBLE WHERE THE HEAVIEST
   RAIN BANDS FORM.
   
   THE LATEST RADAR IMAGERY SHOWS AN EXTENSIVE AREA OF FREEZING RAIN
   OCCURRING ALONG AND NORTH OF THE INTERSTATE-35 CORRIDOR FROM NEAR
   WICHITA KS NEWD INTO THE TOPEKA VICINITY. THUNDERSTORMS ARE LOCATED
   IN NW OK AND SCNTRL KS AND THIS ACTIVITY IS LIKELY BEING SUPPORTED
   BY MODERATE ELEVATED INSTABILITY AND STRONG LIFT ASSOCIATED WITH A
   SHORTWAVE TROUGH OVER WCNTRL KS EVIDENT ON WATER VAPOR IMAGERY. AS
   THE UPPER-LEVEL IMPULSE MOVES NEWD INTO SERN NEB...PRECIPITATION
   RATES IN NE KS...NW MO AND SRN IA WILL LIKELY INCREASE BY LATE THIS
   MORNING. TEMPS JUST BELOW FREEZING WILL RESULT IN SOME AREAS OF
   SIGNIFICANT ICE ACCUMULATION. STRONG WARM ADVECTION AND LIMITED
   DAYTIME SFC HEATING SHOULD ALLOW THE FREEZING LINE TO DRIFT SLOWLY
   NWD WITH TIME THIS MORNING. THIS SHOULD ALLOW FOR A CHANGEOVER TO
   RAIN MAINLY ACROSS THE FAR SERN FRINGE OF THE MD AREA.
   
   ..BROYLES.. 12/11/2007
   
   
   ...NOTICE...
   SPC WINTER WEATHER MESOSCALE DISCUSSIONS WILL BE ISSUED ON A
   SCHEDULED BASIS FROM DECEMBER 1 THROUGH FEBRUARY 28...FOUR
   TIMES A DAY...AROUND 00 UTC...06 UTC...12 UTC...AND 18 UTC
   FOR SIGNIFICANT SHORT RANGE WINTER WEATHER EVENTS.
   
   ATTN...WFO...DVN...DMX...EAX...OAX...TOP...ICT...GID...DDC...
   
   41369257 40659216 40089266 39649379 39059504 38559588
   37899690 37209790 37229871 37779914 38679860 40359642
   41349371