MESO: Mesoscale Discussion 0078

ACUS11 KWNS 192307
SWOMCD
SPC MCD 192306
FLZ000-200030-

MESOSCALE DISCUSSION 0078
NWS STORM PREDICTION CENTER NORMAN OK
0506 PM CST SAT JAN 19 2008

AREAS AFFECTED...CENTRAL AND NORTHERN FLORIDA PENINSULA

CONCERNING...TORNADO WATCH 22...

VALID 192306Z - 200030Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 22 CONTINUES.

TORNADO WATCH 22 CONTINUES UNTIL 03Z...WITH RISKS OF ISOLATED
TORNADOES AND DAMAGING WIND GUSTS. PER LOCAL WFO
COORDINATION...ORIGINAL WATCH MAY REQUIRE AN ADDITION OF COUNTIES
ACROSS WEST CENTRAL/INTERIOR CENTRAL FL IN THE SHORT TERM.

WITH WARM FRONT HAVING QUICKLY SURGED NORTHWARD ACROSS THE FL
PENINSULA...STRONG/SEVERE CONVECTIVE LINE CONTINUES TO SPREAD
EASTWARD ACROSS THE NORTH CENTRAL/WEST CENTRAL FL PENINSULA AS OF
23Z...WITH SURFACE DEWPOINTS AHEAD OF THE LINE HAVING INCREASED INTO
THE MIDDLE 60S OVER THE PAST FEW HOURS. TORNADOES HAVE ALREADY BEEN
REPORTED NORTH OF THE TAMPA BAY AREA IN HERNANDO AND PASCO
COUNTIES...WITH DAMAGING WIND GUSTS REPORTED /73 MPH MEASURED AT
PORT RICHEY PER MESONET/ AS WELL. ALTHOUGH LOW LEVEL FLOW HAS TENDED
TO VEER TO SOUTHWESTERLY ACROSS CENTRAL FL AHEAD OF THE
STRONG/SEVERE CONVECTIVE LINE...LOCAL WSR-88D VWP DATA REFLECT AMPLE
LOW LEVEL SPEED SHEAR WITHIN THE LOWEST 1-2 KM...WITH 0-1 KM SRH
ESTIMATED TO BE AS HIGH AS 300 M2/S2. THIS WILL CONTINUE TO SUPPORT
AN ISOLATED TORNADO THREAT WITHIN ONGOING LEWP EVOLUTIONS...WITH
DAMAGING WIND GUSTS OTHERWISE A DISTINCT THREAT.

.GUYER.. 01/19/2008

..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...MLB...TBW...JAX...

28608275 29228193 29628103 28688055 27878173 27128249
27748275

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@PO.UIUC.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.