SWOMCD
SPC MCD 061638
OKZ000-TXZ000-062245-
MESOSCALE DISCUSSION 0360
NWS STORM PREDICTION CENTER NORMAN OK
1038 AM CST THU MAR 06 2008
AREAS AFFECTED...NRN TX...SRN OK
CONCERNING...HEAVY SNOW
VALID 061638Z - 062245Z
HEAVY SNOW RATES OF 1-2 IN/HR ARE LIKELY TO DEVELOP THIS AFTERNOON
FROM N CNTRL TX INTO SRN OK.
AS UPPER TROUGH EJECTS EWD...DEEP THERMAL PACKING AND
FRONTOGENETICAL FORCING WILL RESULT IN A CONSOLIDATING BAND OF HEAVY
SNOW FROM NRN TX INTO SRN OK. THE CORRIDOR OF HEAVIEST SNOW AND
STRONGEST LIFT IS EXPECTED TO LIE ALONG AN AXIS FROM GRAHAM TO
GAINESVILLE TO ARDMORE TO DURANT. THE HEAVIEST SNOW RATES ARE
EXPECTED AFTER 21Z WHEN LIFT IS STRONGEST. NRN AND WRN PORTIONS OF
THE MD AREA...ALONG AND W OF A ADM TO RPH LINE...WILL BE ALL
SNOW...WITH AREAS TO THE SE GRADUALLY TRANSITIONING FROM RAIN TO
SNOW. THE RAIN SNOW LINE WILL BE NEAR A DENTON TO FT. WORTH LINE
AROUND 00Z. AROUND THAT TIME...RAIN WILL CHANGE TO A HEAVY WET SNOW
WITH BURSTS OF HEAVY SNOW POSSIBLE JUST ON THE NW SIDE OF THIS
RAIN/SNOW TRANSITION ZONE.
.JEWELL.. 03/06/2008
..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...TSA...FWD...OUN...
34809519 33209659 32339772 32239844 32389884 33639857
34109818 34869683 35099614 35219572 35219549
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