MESOSCALE DISCUSSION 2315
   NWS STORM PREDICTION CENTER NORMAN OK
   1140 PM CST THU DEC 28 2006
   
   AREAS AFFECTED...NERN NM...PARTS OF SERN CO AND EXTREME WRN OK
   PANHANDLE
   
   CONCERNING...HEAVY SNOW 
   
   VALID 290540Z - 290945Z
   
   SNOWFALL EXPECTED TO SPREAD NWD ACROSS NERN NM INTO PARTS OF SERN CO
   OVERNIGHT...WITH RATES RANGING FROM 1-2 INCHES PER HOUR AT TIMES. 
   THE HIGHER SNOWFALL RATES SHOULD BE ASSOCIATED WITH ELEVATED
   CONVECTION/EMBEDDED TSTMS DEVELOPING NNWWD ACROSS NERN NM AND SERN
   CO.
   
   LATE EVENING SURFACE ANALYSES SHOWED A LOW DEVELOPING BETWEEN LBB
   AND AMA...WITH A STATIONARY BOUNDARY EXTENDING NWD TO SWRN KS...AND
   THEN NEWD TO FAR SERN NEB/NWRN MO.  GIVEN SLOW SEWD MOVEMENT OF SWRN
   STATES MID-UPPER LEVEL CLOSED LOW OVERNIGHT...LITTLE MOVEMENT IS
   EXPECTED OF THESE SURFACE FEATURES.  THUS...NLY SURFACE WINDS ACROSS
   ERN CO INTO NERN NM ARE EXPECTED TO MAINTAIN SURFACE TEMPERATURES
   AOB 32 F THROUGHOUT DISCUSSION AREA.  00Z UPPER AIR ANALYSIS AND
   SATELLITE IMAGERY INDICATED AN IMPULSE AND 70 KT MID LEVEL JET
   TRANSLATING NWD THROUGH ERN PERIPHERY OF SWRN STATES CLOSED LOW. 
   STRONG ASCENT WITHIN EXIT REGION OF THIS JET...EVIDENT BY CURRENT
   LIGHTNING STRIKES OVER THE TX PANHANDLE...MODERATE RAINFALL
   RATES...AND COOLING CLOUD TOPS... IS EXPECTED TO SPREAD NWD ACROSS
   NERN NM INTO SERN CO.  THERMODYNAMIC PROFILES ARE EXPECTED TO REMAIN
   COLD ENOUGH FOR ALL SNOW ACROSS MUCH OF NERN NM INTO SERN CO...WITH
   EMBEDDED TSTMS AIDING IN HIGHER SNOWFALL RATES.
   
   ..PETERS.. 12/29/2006
   
   
   ...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...AMA...PUB...ABQ...
   
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