Alert archive / Florida / Red Flag Warnings in 2009
Red Flag Warning 21, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this red flag warning at Feb 16, 2009, 5:15 AM EST for 6 counties in Florida. It took effect at Feb 16, 2009, 12:00 PM 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
- Feb 16, 2009, 5:15 AM EST (10:15 UTC)
- In effect from
- Feb 16, 2009, 12:00 PM EST
- Expired
- Feb 16, 2009, 6:00 PM EST
- In force
- 6 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 10:19 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
Tampa Bay, FL (KTBW), launched 00:00Z, 10.3 hours before the alert went out and 49 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
- 59 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 970 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS82 KTBW 161015 RFWTBW RED FLAG WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 515 AM EST MON FEB 16 2009 ...RED FLAG WARNING IS IN EFFECT FROM NOON TO 6 PM EST TODAY FOR LEVY...CITRUS AND NORTHERN SUMTER COUNTIES... .A COLD FRONT MOVED ACROSS THE AREA OVERNIGHT AND BEHIND THIS FRONT HIGH PRESSURE WILL BUILD IN TODAY BRINGING COOLER DRIER AIR INTO THE REGION. FLZ039-042-043-162300- /O.NEW.KTBW.FW.W.0021.090216T1700Z-090216T2300Z/ LEVY-CITRUS-SUMTER- 515 AM EST MON FEB 16 2009 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM EST THIS AFTERNOON. LONG DURATIONS OF RELATIVE HUMIDITY BELOW 35 PERCENT...ALONG WITH NORTHERLY WINDS BETWEEN 10 AND 15 MPH...WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON. A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL OCCUR WITHIN 24 HOURS. $$ PRC
1 follow-up statement
000 WWUS82 KTBW 161709 RFWTBW RED FLAG WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1209 PM EST MON FEB 16 2009 ...RED FLAG WARNING IS IN EFFECT FROM NOON TO 6 PM EST TODAY FOR WEST CENTRAL AND SOUTHWEST FLORIDA... .HIGH PRESSURE WILL CONTINUE TO BUILD INTO THE REGION TODAY BRINGING COOLER DRIER AIR INTO THE AREA. FLZ048>052-055>057-060>062-065-162300- /O.EXA.KTBW.FW.W.0021.000000T0000Z-090216T2300Z/ HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-MANATEE-HARDEE- HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE- 1209 PM EST MON FEB 16 2009 ...RED FLAG WARNING IN EFFECT UNTIL 6 PM EST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 6 PM EST THIS AFTERNOON. LONG DURATIONS OF RELATIVE HUMIDITY BELOW 35 PERCENT...ALONG WITH NORTHERLY WINDS BETWEEN 10 AND 15 MPH...WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON. A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL OCCUR WITHIN 24 HOURS. $$ FLZ039-042-043-162300- /O.CON.KTBW.FW.W.0021.000000T0000Z-090216T2300Z/ LEVY-CITRUS-SUMTER- 1209 PM EST MON FEB 16 2009 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS AFTERNOON... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS AFTERNOON. LONG DURATIONS OF RELATIVE HUMIDITY BELOW 35 PERCENT...ALONG WITH NORTHERLY WINDS BETWEEN 10 AND 15 MPH...WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON. A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL OCCUR WITHIN 24 HOURS. $$
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.