Hazardous Weather Outlook
Issued by NWS Huntsville, AL

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FLUS44 KHUN 241831
HWOHUN

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HUNTSVILLE AL
131 PM CDT FRI APR 24 2015

ALZ001>010-016-TNZ076-096-097-251000-
LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN-
MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN-
131 PM CDT FRI APR 24 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS
OF SOUTHERN MIDDLE TENNESSEE.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

ISOLATED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON ACROSS THE CENTRAL
AND WESTERN PORTIONS OF THE OUTLOOK AREA...AS A POTENT STORM SYSTEM
DEVELOPS ACROSS THE SOUTHERN PLAINS STATES.

AS THIS STORM SYSTEM BEGINS TO MOVE EAST...MULTIPLE ROUNDS OF HEAVY
RAINFALL AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG A WARM FRONT
ADVANCING TO THE NORTH ACROSS THE REGION LATER THIS EVENING. ONE TO
TWO INCHES OF RAINFALL...WITH LOCALLY HIGHER AMOUNTS...WILL BE
POSSIBLE IN A SHORT PERIOD OF TIME. THIS WILL TRANSLATE INTO A
LOCALIZED OR FLASH FLOODING THREAT...ALONG WITH RAPID RISES IN AREA
CREEKS...RIVERS AND STREAMS. IN ADDITION...THERE WILL BE A THREAT FOR
DAMAGING WINDS AND A LOWER THREAT FOR TORNADOES WITH THESE
THUNDERSTORMS DURING THE OVERNIGHT HOURS THROUGH EARLY SATURDAY
MORNING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY...

THE FLOODING...DAMAGING WINDS...AND LOW TORNADO THREAT IS EXPECTED
TO CONTINUE INTO THE MORNING HOURS SATURDAY...BEFORE THE WARM FRONT
MOVES NORTH OF THE OUTLOOK AREA.

A SECOND WAVE OF THUNDERSTORMS IS THEN EXPECTED SATURDAY AFTERNOON
AND EARLY EVENING...AS A LOW PRESSURE SYSTEM MOVES INTO THE MIDWEST
STATES. DEPENDING ON THE AMOUNT OF DAYTIME HEATING EARLIER IN THE
DAY...SOME OF THESE STORMS MAY BE STRONG TO SEVERE IN NATURE.
DAMAGING WIND GUSTS...VERY LARGE HAIL AND FREQUENT CLOUD TO GROUND
LIGHTNING WILL ALL BE A THREAT WITH THE STRONGER STORMS. TORNADOES
DEVELOPING ALONG OLD OUTFLOW BOUNDARIES AND WITHIN DISCRETE STORM
CELLS WILL ALSO BE A POSSIBILITY. THE OVERALL THREAT FOR SEVERE
WEATHER IS THEN EXPECTED TO DIMINISH LATER IN THE EVENING...AS A COLD
FRONT MOVES SOUTHWARD ACROSS THE REGION.

.SPOTTER CALL TO ACTION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS
POSSIBLE LATE TONIGHT AND AGAIN SATURDAY...AS THE POTENTIAL FOR
FLOODING AND SEVERE WEATHER DEVELOPS.

$$



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