Alert archive / Florida / Red Flag Warnings in 2009

Red Flag Warning 74, NWS Tampa Bay, FL

December 20, 20095 counties in Florida

NWS Tampa Bay, FL issued this red flag warning at Dec 20, 2009, 1:28 PM EST for 5 counties in Florida. It took effect at Dec 21, 2009, 11:00 AM EST. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Dec 20, 2009, 1:28 PM EST (18:28 UTC)
In effect from: Dec 21, 2009, 11:00 AM EST
Expired: Dec 21, 2009, 5:00 PM EST
In force: 6 hr
Issued by: NWS Tampa Bay, FL

Counties DeSoto County, FL, Hardee County, FL, Highlands County, FL, Polk County, FL, Sumter County, FL

The radar

The Tampa radar (KTBW), 64 km from the middle of the area, began a volume at 18:27 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tampa Bay, FL wrote its last area forecast discussion before this red flag warning went out at Dec 20, 1:25 PM EST, 3 minutes earlier.

Area forecast discussion, Dec 20, 1:25 PM EST, 3 minutes before

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Hazardous weather outlook, Dec 20, 4:27 AM EST, 9 hours 1 minute before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
427 AM EST SUN DEC 20 2009

FLZ039-042-043-048>052-055>057-060>062-065-202130-
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
427 AM EST SUN DEC 20 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST
FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

...RIP CURRENT IMPACT...
GUSTY NORTHWEST TO NORTH WINDS OVER THE EASTERN GULF OF MEXICO WILL
CONTINUE TO PUSH ELEVATED SEAS ONTO AREA BEACHES AND SHORELINES
TODAY. THESE SEAS WILL PRODUCE BREAKING WAVES AND AN INCREASED RISK
FOR RIP CURRENTS AND STRONG UNDERTOWS ALONG AREA BEACHES TODAY.
RESIDENTS AND VISITORS SHOULD REMAIN OUT OF THE SURF.

...WIND AND SEA IMPACT...
GUSTY NORTHWEST TO NORTH WINDS OF AROUND 20 KNOTS CONTINUE ON OFFSHORE
WATERS WITH SEAS OF 5 TO 7 FEET REPORTED PRODUCE HAZARDOUS BOATING
CONDITIONS ON THE GULF THIS MORNING INTO THIS AFTERNOON. MARINERS...FISHERMEN
AND OTHER SMALL CRAFT OPERATORS MAY WANT TO POSTPONE TRIPS UNTIL CONDITIONS
IMPROVE.

...FIRE WEATHER IMPACT...
A COLD AND VERY DRY AIRMASS HAS FILTERED INTO THE REGION AND WILL
PRODUCE LOW HUMIDITY LEVELS FOR LONG DURATIONS WITH WINDS AROUND 10
TO 15 MPH THIS AFTERNOON FROM POLK AND HILLSBOROUGH COUNTY NORTHWARD
THROUGH THE NATURE COAST INCREASING THE FIRE WEATHER DANGER.

...EXCESSIVE COLD IMPACT...
A VERY COLD AIRMASS SETTLING INTO THE SOUTHERN U.S. WILL BRING THE
POSSIBILITY OF FREEZING TEMPERATURES AND PATCHY FROST TO THE NATURE
COAST TONIGHT WITH LOW WIND CHILL READINGS FOR THE REST OF THE AREA.

RESIDENTS VENTURING OUT OVERNIGHT SHOULD DRESS WARMLY. SEVERAL
LAYERS OF CLOTHING WILL INSULATE YOU BETTER THAN A SINGLE COAT OR
JACKET.

DAMAGE IS LIKELY TO COLD SENSITIVE PLANTS TONIGHT...AND SMALL PETS
LEFT OUTDOORS ARE ALSO AT RISK. COVER PLANTS AND BRING PETS INDOORS
LATER TODAY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

...EXCESSIVE COLD IMPACT...
VERY COLD CONDITIONS ARE AGAIN EXPECTED MONDAY NIGHT INTO TUESDAY MORNING
WITH ANOTHER NIGHT OF FREEZING TEMPERATURES AND PATCHY FROST PROBABLE
OVER THE NATURE COAST AND LOW WIND CHILL READINGS ELSEWHERE.

...FIRE WEATHER IMPACT...
VERY DRY AIR WILL REMAIN OVER THE AREA MONDAY AND TUESDAY WITH LONG
DURATIONS OF LOW HUMIDITY POSSIBLE CONTINUING THE FIRE WEATHER THREAT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

DAVIS

The office that day

Everything else NWS Tampa Bay, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 20, 3:41 AM EST	Freeze Watch	TBW	Sumter	10 hr
Dec 20, 3:41 AM EST	Freeze Watch	TBW	Sumter	34 hr
Dec 20, 5:04 AM EST	Red Flag Warning	TBW	Polk, Sumter	12 hr
Dec 20, 1:29 PM EST	Freeze Warning	TBW	Sumter	14 hr

Nearby

Red Flag Warnings in Florida, 2009 Every red flag warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.