SWOMCD
SPC MCD 291339
IAZ000-MNZ000-MOZ000-NEZ000-KSZ000-SDZ000-291845-
MESOSCALE DISCUSSION 0101
NWS STORM PREDICTION CENTER NORMAN OK
0739 AM CST TUE JAN 29 2008
AREAS AFFECTED...ERN NEB...EXTREME NERN KS AND NW MO...WRN AND NRN
IA...SRN MN
CONCERNING...BLIZZARD
VALID 291339Z - 291845Z
BANDS OF LOCALLY HEAVY SNOW WILL COMBINE WITH VERY STRONG WINDS TO
PRODUCE BLIZZARD CONDITIONS AT TIMES.
A NARROW NE/SW BAND OF MDT TO HVY SNOW HAS DEVELOPED WITHIN ZONE OF
DEEP FRONTOGENETICAL FORCING FROM NWRN IA ACROSS E CNTRL NEB AND
INTO NRN KS. RADAR TRENDS ALSO INDICATE NEW BANDS DEVELOPING ACROSS
NRN IA INTO SRN MN MOST LIKELY RELATED TO FRONTOGENESIS IN THE
700-800 MB LAYER.
AS UPPER TROUGH CONTINUES TO DEEPEN...ZONE OF THERMAL
PACKING/FORCING WILL BE MAINTAINED AS IT SHIFTS EWD OUT OF NEB INTO
WRN IA...WITH ADDITIONAL AREAS FILLING IN ACROSS NRN IA/SRN MN.
BRIEF SNOWFALL RATES NEAR 1"/HR ARE LIKELY...WHICH WILL COMBINE WITH
VERY STRONG WIND GUSTS OF 30-40 MPH TO PRODUCE NEAR ZERO VISIBILITY
AT TIMES.
.JEWELL.. 01/29/2008
..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...ARX...MPX...DMX...EAX...FSD...OAX...TOP...GID...
40099799 42369702 43299638 43989551 44429307 44389213
43309159 42819257 42659364 41529474 40099535 39479622
39479718
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