[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 070644
SWOMCD
SPC MCD 070644
ALZ000-TNZ000-MSZ000-ARZ000-071245-

MESOSCALE DISCUSSION 0003
NWS STORM PREDICTION CENTER NORMAN OK
1244 AM CST THU JAN 07 2010

AREAS AFFECTED...ERN AR/SWRN TN/NRN MS/NWRN AL

CONCERNING...FREEZING RAIN

VALID 070644Z - 071245Z

FREEZING RAIN IS FORECAST TO OVERSPREAD THE DISCUSSION AREA OVER THE
NEXT SEVERAL HOURS...WITH RATES OF .01-.05"/HR EXPECTED.

LATEST RADAR IMAGERY SHOWS SHOWERY PRECIPITATION CONTINUING TO
SLOWLY INCREASE ACROSS NERN TX/SRN AR/NRN LA...AND IS NOW BEGINNING
TO SPREAD ACROSS THE MS RIVER INTO SWRN TN/NWRN MS.

WHILE TEMPERATURES REMAIN NEAR OR ABOVE FREEZING ACROSS THE WRN HALF
OF THE DISCUSSION AREA -- IE.. SWRN TN AND INTO NWRN MS/ERN
AR...DEWPOINTS REMAIN IN THE TEENS TO LOW 20S ACROSS MUCH OF THIS
AREA SUGGESTING A POTENTIAL FOR WET-BULB COOLING.

AS THE PRECIPITATION -- DRIVEN BY WARM ADVECTION ASSOCIATED WITH A
SWLY LOW-LEVEL JET AHEAD OF THE ADVANCING ARCTIC FRONT -- CONTINUES
SPREADING EWD INTO THE DISCUSSION AREA....COOLING AT THE SURFACE
WILL LIKELY BE SUFFICIENT TO YIELD FREEZING RAIN.  WHILE ICE
ACCUMULATION MAY BE LIMITED IN MANY AREAS -- PARTICULARLY INITIALLY
-- GIVEN PRE-EXISTING TEMPERATURES STILL ABOVE FREEZING...SOME
LIGHT/LOCAL ACCUMULATIONS ARE EVENTUALLY EXPECTED.

..GOSS.. 01/07/2010

...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...OHX...BMX...HUN...MEG...JAN...LZK...

LAT...LON   35618972 35698878 35528780 34678746 33538789 33228972
            33159093 33579159 34999077 35618972



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