[Weather_Warnings] Hazardous Weather Outlook

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FLUS42 KJAX 012150
HWOJAX

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSONVILLE FL
450 PM EST THU MAR 1 2007

FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-020700-
ALACHUA-APPLING-ATKINSON-BACON-BAKER-BRADFORD-BRANTLEY-
CAMDEN (COASTAL)-CAMDEN (INLAND)-CHARLTON-CLAY-CLINCH-COFFEE-
COLUMBIA-DUVAL-ECHOLS-FLAGLER-GILCHRIST-GLYNN (COASTAL)-
GLYNN (INLAND)-HAMILTON-JEFF DAVIS-MARION-NASSAU-PIERCE-PUTNAM-
ST JOHNS-SUWANNEE-UNION-WARE-WAYNE-
450 PM EST THU MAR 1 2007

THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA.

DAY ONE...REST OF TODAY AND TONIGHT...

..TORNADO WATCH NUMBER 48 IN NOW EFFECT UNTIL 2 AM EST...

..THIS IS A POTENTIALLY DANGEROUS WEATHER SITUATION WITH A HIGH
RISK OF SEVERE WEATHER IN THE SUWANNEE VALLEY AND INTERIOR
SOUTHEAST GEORGIA...

SYNOPSIS...
A DEVELOPING STORM SYSTEM OVER THE MISSISSIPPI VALLEY WILL ALLOW FOR
A LONG FETCH OF MOIST SOUTHERLY FLOW TO DEVELOP ACROSS THE AREA AS A
WARM FRONT LIFTS NORTH. AS THIS OCCURS...LOW LEVEL WIND SHEAR
AND INSTABILITY WILL INCREASE WITH THUNDERSTORMS INCREASING IN
COVERAGE FROM WEST TO EAST THIS EVENING AND OVERNIGHT.

DISCUSSION...
AT THIS TIME...IT APPEARS THERE WILL BE TWO OPPORTUNITIES FOR SEVERE
WEATHER THROUGH THE EARLY MORNING HOURS OF FRIDAY. THE FIRST WILL
BE THIS EVENING WITH ISOLATED CELLS DEVELOPING IN THE FLOW FROM THE
GULF OF MEXICO. THIS EVENINGS STORMS WILL BE CAPABLE OF PRODUCING
GUSTY WINDS...LARGE DAMAGING HAIL AND ISOLATED TORNADOES.

THE SECOND ROUND OF SEVERE WEATHER WILL ACCOMPANY A SQUALL LINE WHICH
WILL BE PUSHING INTO WESTERN SECTIONS OF THE FORECAST AREA OVERNIGHT.
THE MAIN THREATS FROM THIS ACTIVITY WILL BE DAMAGING WINDS UP TO 70
MPH...HALF UP TO 2 INCHES IN DIAMETER AND THE POSSIBILITY OF ISOLATED
TORNADOES. THE SUWANNEE VALLEY AND AREAS WEST OF WAYCROSS AND ALMA
REMAIN IN A HIGH RISK AREA WITH A SIGNIFICANT RISK OF SEVERE
WEATHER.

DAMAGING TORNADOES HAVE ALREADY OCCURRED OVER PORTIONS SOUTHEASTERN
ALABAMA AND THIS IS A POTENTIALLY DANGEROUS SITUATION WITH THE
POSSIBILITY OF SIGNIFICANT TORNADO TOUCHDOWNS IN SOME PORTIONS OF THE
AREA. PERSONS WITH NOAA ALL HAZARDS WEATHER RADIOS SHOULD ENSURE
THEIR RADIO IS IN GOOD WORKING ORDER AND SET TO ALARM THIS OVERNIGHT.
MONITOR LOCAL MEDIA FOR POSSIBLE WATCHES AND WARNINGS.

DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY...

A SQUALL LINE WITH ISOLATED STRONG TO SEVERE THUNDERSTORMS SHOULD BE
PUSHING THROUGH NORTHEAST FLORIDA DURING THE FRIDAY MORNING
HOURS...WITH THE SEVERE WEATHER THREAT DIMINISHING THROUGH THE DAY.

SPOTTER INFORMATION STATEMENT...SPOTTER IS REQUESTED UNTIL THE
POSSIBILITY OF SEVERE WEATHER DIMINISHES ON FRIDAY MORNING.

FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE
IN JACKSONVILLE WEBSITE ON THE INTERNET AT WWW.SRH.NOAA.GOV/JAX.

$$

SANDRIK




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