[MCD] SWOMCD
Mesoscale Convective Discussions
mcd at goshenarc.org
Sat Jan 20 18:12:06 UTC 2007
ACUS11 KWNS 201817
SWOMCD
SPC MCD 201816
KSZ000-OKZ000-TXZ000-202215-
MESOSCALE DISCUSSION 0087
NWS STORM PREDICTION CENTER NORMAN OK
1216 PM CST SAT JAN 20 2007
AREAS AFFECTED...TX PANHANDLE/NORTHWEST OK INTO MUCH OF
CENTRAL/EASTERN KS
CONCERNING...HEAVY SNOW
VALID 201816Z - 202215Z
MODERATE/PERHAPS LOCALLY HEAVY SNOW WILL DEVELOP NORTHWARD AND
BECOME MORE PREVALENT FROM NORTHWEST OK INTO MUCH OF CENTRAL AND
EASTERN KS THROUGH THE AFTERNOON...INCLUDING THE WOODWARD OK AREA TO
THE WICHITA/SALINA KS VICINITIES AND KS TURNPIKE. SNOW RATES UP TO 1
IN/HR ARE POSSIBLE.
WITH UPPER LOW CONTINUING TO ADVANCE EASTWARD ACROSS NM...LARGELY
COINCIDENT WITH THE EXIT REGION OF THE ASSOCIATED MID/UPPER LEVEL
JET...MODERATE/LOCALLY HEAVY SNOW HAS BEEN PREVALENT FROM THE TX
PANHANDLE/NORTHWEST OK INTO SOUTH CENTRAL KS THROUGH MIDDAY. IN
FACT...1 IN/HR SNOW RATES HAVE BEEN RECENTLY REPORTED AT AMARILLO
TX...WITH HEAVY SNOW ALSO REPORTED AT BORGER TX. WHILE SNOW SHOULD
NOT BE PARTICULARLY FOCUSED ON THE MESOSCALE ACROSS NORTHWEST OK
INTO CENTRAL/EASTERN KS THIS AFTERNOON...WEAKENING STATIC STABILITY
/LARGELY COINCIDENT WITH NORTHEAST-ADVANCING DRY SLOT CURRENTLY
ACROSS EASTERN NM INTO FAR WEST TX/ MAY TEND TO SOMEWHAT ENHANCE
SNOW RATES IN A SCENARIO OTHERWISE CHARACTERIZED BY AMPLE FORCING
FOR ASCENT/UVVS COINCIDENT WITH A FAVORABLE DENDRITIC GROWTH LAYER.
..GUYER.. 01/20/2007
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
...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...SGF...EAX...TOP...ICT...OUN...GID...DDC...AMA...
38899554 38479494 38069471 37519485 37369544 37049662
36929720 36589819 36399869 36059957 35600078 36320111
36990083 37710011 39319825
WWWW
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