Alert archive / Florida / Red Flag Warnings in 2009
Red Flag Warning 23, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this red flag warning at Feb 19, 2009, 1:44 PM EST for 6 counties in Florida. It took effect at Feb 20, 2009, 9:00 AM EST. It was in force for 11 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
- Feb 19, 2009, 1:44 PM EST (18:44 UTC)
- In effect from
- Feb 20, 2009, 9:00 AM EST
- Expired
- Feb 20, 2009, 8:00 PM EST
- In force
- 11 hr
- Issued by
- NWS Tampa Bay, FL
Counties DeSoto County, FL, Hardee County, FL, Highlands County, FL, Pinellas County, FL, Polk County, FL, Sumter County, FL
The radar
The Tampa radar (KTBW), 49 km from the middle of the area, began a volume at 18:45 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.
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 6.7 hours before the alert went out and 159 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 956 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 293 m²/s²
- 0-3 km storm-relative helicity
- 343 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Feb 19, 1:34 PM EST, 10 minutes earlier.
Area forecast discussion, Feb 19, 1:34 PM EST, 10 minutes before
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</html>Hazardous weather outlook, Feb 19, 8:03 AM EST, 5 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 803 AM EST THU FEB 19 2009 FLZ039-042-043-048>052-191600- LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK- 803 AM EST THU FEB 19 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY AND TONIGHT. ...THUNDERSTORM IMPACT... A COLD FRONT MOVING THROUGH THE AREA WILL BRING LIKELY SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS THROUGH LATE MORNING. THE GREATEST THREAT FROM THE STORMS WILL BE STRONG GUSTY WINDS...BRIEF BUT HEAVY RAINFALL...AND OCCASIONAL LIGHTNING. ...WIND AND SEA IMPACT... STRONG SOUTHWEST WINDS AHEAD OF THE FRONT WILL CREATE HAZARDOUS CONDITIONS FOR SMALL CRAFT NORTH OF TARPON SPRINGS THIS MORNING... A SMALL CRAFT ADVISORY IS IN EFFECT. ELSEWHERE SMALL CRAFT SHOULD EXERCISE CAUTION. WINDS SHIFT TO NORTHWEST...AS THE FRONT MOVES BY THIS MORNING...WITH SPEEDS UP TO 20 KNOTS. SMALL CRAFT SHOULD CONTINUE TO EXERCISE CAUTION THROUGH TONIGHT. ...RIP CURRENT IMPACT... THERE IS A MODERATE RISK OF RIP CURRENTS TODAY. GUSTY ONSHORE WINDS WILL CREATE STRONG CURRENTS TODAY...ESPECIALLY ALONG PIERS AND OTHER STRUCTURES. A RIP CURRENT IS A 10 TO 30 YARD WIDE CHANNEL OF WATER THAT CAN PULL EVEN A STRONG SWIMMER INTO DEEPER WATER. TO AVOID GETTING CAUGHT IN A RIP CURRENT...SWIM AT GUARDED BEACHES AND HEED THE ADVICE OF THE BEACH PATROL. AT UNGUARDED BEACHES AND NEAR PIERS...JETTIES...AND INLETS...DO NOT GO INTO THE SURF MUCH ABOVE YOUR KNEES. IF CAUGHT IN THE SEAWARD PULL OF A RIP CURRENT...DO NOT ATTEMPT TO MOVE DIRECTLY TOWARD SHORE. INSTEAD...MOVE SIDEWAYS ACROSS THE RIP CURRENT UNTIL THE PULL EASES. ANOTHER METHOD OF ESCAPE IS TO LET THE RIP CURRENT PULL YOU SEAWARD 50 TO 100 YARDS...WHERE THE FORCE WEAKENS. THEN...SWIM TOWARD THE BEACH AT AN ANGLE AWAY FROM THE CURRENT. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. HIGH PRESSURE BUILDS INTO THE REGION TONIGHT...MAINTAINING ROBUST TO STRONG WINDS ON THE COASTAL WATERS THROUGH FRIDAY. THIS HIGH PRESSURE WILL BRING SOME COLD WEATHER WITH FREEZING TEMPERATURES OVER THE NATURE COAST EARLY SATURDAY MORNING. ANOTHER COLD FRONT MOVES THROUGH SUNDAY WITH SHOWERS AND HAZARDOUS BOATING CONDITIONS SUNDAY AND SUNDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. FLZ055>057-060>062-065-191600- MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE- 803 AM EST THU FEB 19 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY AND TONIGHT. A COLD FRONT WILL BRING SCATTERED SHOWERS WITH GUSTY WINDS AS IT MOVES ACROSS THE AREA TODAY. ...WIND AND SEA IMPACT... ROBUST SOUTHWEST WINDS AHEAD OF A COLD FRONT WILL SHIFT TO NORTHWEST AS THE FRONT MOVES BY THIS AFTERNOON...SMALL SMALL CRAFT SHOULD EXERCISE CAUTION THROUGH TONIGHT. ...RIP CURRENT IMPACT... THERE IS A MODERATE RISK OF RIP CURRENTS TODAY. GUSTY ONSHORE WINDS WILL CREATE STRONG CURRENTS TODAY...ESPECIALLY ALONG PIERS AND OTHER STRUCTURES. A RIP CURRENT IS A 10 TO 30 YARD WIDE CHANNEL OF WATER THAT CAN PULL EVEN A STRONG SWIMMER INTO DEEPER WATER. TO AVOID GETTING CAUGHT IN A RIP CURRENT...SWIM AT GUARDED BEACHES AND HEED THE ADVICE OF THE BEACH PATROL. AT UNGUARDED BEACHES AND NEAR PIERS...JETTIES...AND INLETS...DO NOT GO INTO THE SURF MUCH ABOVE YOUR KNEES. IF CAUGHT IN THE SEAWARD PULL OF A RIP CURRENT...DO NOT ATTEMPT TO MOVE DIRECTLY TOWARD SHORE. INSTEAD...MOVE SIDEWAYS ACROSS THE RIP CURRENT UNTIL THE PULL EASES. ANOTHER METHOD OF ESCAPE IS TO LET THE RIP CURRENT PULL YOU SEAWARD 50 TO 100 YARDS...WHERE THE FORCE WEAKENS. THEN...SWIM TOWARD THE BEACH AT AN ANGLE AWAY FROM THE CURRENT. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. HIGH PRESSURE BUILDS INTO THE REGION TONIGHT...MAINTAINING ROBUST TO STRONG WINDS ON THE COASTAL WATERS THROUGH FRIDAY. THIS HIGH PRESSURE WILL BRING SOME COLD WEATHER EARLY SATURDAY MORNING. ANOTHER COLD FRONT MOVES THROUGH SUNDAY WITH SHOWERS AND HAZARDOUS BOATING CONDITIONS SUNDAY AND SUNDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 19, 4:10 AM EST | Fire Weather Watch | TBW | DeSoto, Hardee, Highlands, Pinellas, Polk, Sumter | 10 hr |
| Feb 19, 4:10 AM EST | Fire Weather Watch | TBW | DeSoto, Hardee, Highlands, Polk, Sumter | 33 hr |
| Feb 19, 4:30 AM EST | Freeze Watch | TBW | Sumter | 24 hr |
| Feb 19, 4:27 PM EST | Small Craft Advisory | TBW | 24 hr |
Nearby
Red Flag Warnings in Florida, 2009Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.