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MESOSCALE DISCUSSION 2326
NWS STORM PREDICTION CENTER NORMAN OK
1226 AM CST SAT DEC 30 2006
AREAS AFFECTED...NE/CNTRL NM THROUGH NW TX PANHANDLE/OK PANHANDLE/SE
CO
CONCERNING...HEAVY SNOW
VALID 300626Z - 301130Z
...MODERATE TO HEAVY SNOW WILL CONTINUE OVERNIGHT WITH HOURLY SNOW
RATES OF AT LEAST 1-2 INCHES PER HOUR. IN ADDITION...VERY STRONG NLY
WINDS ACROSS THE NERN PLAINS OF NM WILL CONTRIBUTE TO BLIZZARD
CONDITIONS...
LATEST WATER VAPOR LOOPS SHOW UPPER LOW IS DRIFTING N/NE ACROSS THE
TX S PLAINS. HEAVY SNOW HAS DEVELOPED WITHIN DEFORMATION BAND
ORIENTED EAST/WEST PARALLEL TO THE INTERSTATE 40 CORRIDOR. UPPER LOW
IS NOT EXPECTED TO MOVE MUCH OVERNIGHT...AND STRONG FRONTOGENETICAL
FORCING WILL BE MAINTAINED ACROSS ERN CO AND NM WITHIN THE 700-750MB
LAYER THROUGH 12Z. THERMODYNAMIC PROFILE SAMPLED AT AMARILLO FROM
THE 00Z SOUNDING INDICATED A WARM NOSE AROUND 800 MB...AND THIS IS
RESULTING IN A MIX OF PRECIPITATION TYPES ACROSS THE OK/TX
PANHANDLES. SFC FREEZING LINE HAS MOVED EAST OVER THE PAST 3-4
HOURS...NOW EXTENDING FROM NEAR AMA JUST WEST OF BGD TO LBL.
BLIZZARD CONDITIONS WILL CONTINUE ACROSS THE ERN PLAINS OF CO AND
NERN NM. LATEST PROFILER AND VAD WIND DATA INDICATE VERY STRONG NLY
FLOW NEAR 30-45 KT...AND THIS WILL SUPPORT SUSTAINED WINDS AT THE
SFC OF 25-40 MPH WITH HIGHER GUSTS TO 50 MPH. REPORTS FROM EMERGENCY
OFFICIALS FROM KIOWA AND BACA COUNTIES IN SE CO INDICATE 8-10 FOOT
SNOW DRIFTS. MANY ROADS REMAIN CLOSED AND TRAVEL IS DISCOURAGED AS
CONDITIONS WILL CONTINUE TO DETERIORATE OVERNIGHT.
..TAYLOR.. 12/30/2006
...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...DDC...LUB...AMA...PUB...ABQ...
34190293 33890493 34550631 34980673 35330668 36660527
37550449 38160353 38210208 35990073 35320140
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