Alert archive / Florida / Red Flag Warnings in 2011
Red Flag Warning 55, NWS Tallahassee, FL
NWS Tallahassee, FL issued this red flag warning at May 16, 2011, 11:17 AM CDT for 13 counties in Florida. It took effect at May 16, 2011, 1:00 PM CDT. 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
- May 16, 2011, 11:17 AM CDT (16:17 UTC)
- In effect from
- May 16, 2011, 1:00 PM CDT
- Expired
- May 16, 2011, 7:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Tallahassee, FL
Counties Bay County, FL, Calhoun County, FL, Gadsden County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Madison County, FL, Taylor County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL
The radar
The Tallahassee radar (KTLH), 36 km from the middle of the area, began a volume at 16:19 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
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 4.3 hours before the alert went out and 39 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
- 1063 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -38 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
584 WWUS82 KTAE 161617 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 1217 PM EDT MON MAY 16 2011 ...A RED FLAG WARNING HAS BEEN ISSUED FOR TODAY FOR MOST INLAND AREAS OF THE EASTERN FLORIDA PANHANDLE AND BIG BEND DUE TO A COMBINATION OF LONG DURATIONS OF LOW RELATIVE HUMIDITY...HIGH DISPERSION LEVELS...AND HIGH 20 FOOT WIND SPEEDS... ...A FIRE WEATHER WATCH REMAINS IN IN EFFECT FROM TUESDAY AFTERNOON THROUGH EVENING FOR SOUTHEAST ALABAMA...THE EASTERN FLORIDA PANHANDLE AND THE FLORIDA BIG BEND DUE TO A COMBINATION OF LONG DURATIONS OF LOW RELATIVE HUMIDITY...HIGH DISPERSION LEVELS...HIGH 20 FOOT WIND SPEEDS...AND A KBDI GREATER THAN 500. .DISCUSSION...MUCH DRIER AIR CONTINUES TO SPREAD SOUTHWARD ACROSS THE AREA TODAY...AND DEW POINTS ARE DROPPING MORE RAPIDLY THAN HAD BEEN EXPECTED. AS A RESULT...IT IS NOW EXPECTED THAT RELATIVE HUMIDITIES WILL DROP BELOW 35 PERCENT ACROSS SIGNIFICANT PORTIONS OF THE INLAND FLORIDA EASTERN PANHANDLE AND BIG BEND THIS AFTERNOON. ALTHOUGH DURATION CRITERIA IS NOT EXPECTED TO BE MET...THE COMBINATION OF RELATIVE HUMIDITIES BELOW 35 PERCENT...HIGH DISPERSION LEVELS ABOVE 75...AND 20 FOOT WIND SPEEDS SUSTAINED 15 MPH GUSTING TO OVER 20 MPH WILL MEET THE CRITERIA FOR A RED FLAG WARNING. FLZ007-009>013-016>019-026>029-170030- /O.NEW.KTAE.FW.W.0055.110516T1800Z-110517T0000Z/ /O.CON.KTAE.FW.A.0045.110517T1600Z-110518T0100Z/ INLAND WALTON-HOLMES-WASHINGTON-JACKSON-INLAND BAY-CALHOUN- GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY-INLAND WAKULLA- INLAND TAYLOR-LAFAYETTE- 1217 PM EDT MON MAY 16 2011 /1117 AM CDT MON MAY 16 2011/ ...A RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS EVENING... ...A FIRE WEATHER WATCH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO OCCUR SHORTLY. LOW RELATIVE HUMIDITY...HIGH DISPERSION LEVELS...AND HIGH 20 FOOT WIND SPEEDS WILL ENHANCE FIRE GROWTH POTENTIAL. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ ALZ065>069-FLZ008-014-015-034-108-112-114-115-118-127-128-134- 170030- /O.CON.KTAE.FW.A.0045.110517T1600Z-110518T0100Z/ COFFEE-DALE-HENRY-GENEVA-HOUSTON-CENTRAL WALTON-INLAND GULF- INLAND FRANKLIN-INLAND DIXIE-SOUTH WALTON-COASTAL BAY- COASTAL GULF-COASTAL FRANKLIN-COASTAL JEFFERSON-COASTAL WAKULLA- COASTAL TAYLOR-COASTAL DIXIE- 1217 PM EDT MON MAY 16 2011 /1117 AM CDT MON MAY 16 2011/ ...A FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ DUVAL
2 follow-up statements
400 WWUS82 KTAE 162010 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 410 PM EDT MON MAY 16 2011 ...A RED FLAG WARNING REMAINS N EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS EVENING FOR MOST INLAND AREAS OF THE EASTERN FLORIDA PANHANDLE AND BIG BEND DUE TO A COMBINATION OF LOW RELATIVE HUMIDITY... HIGH DISPERSION LEVELS...AND HIGH 20 FOOT WIND SPEEDS... ...A RED FLAG WARNING IS IN EFFECT FROM NOON EDT /11 AM CDT/ TO 9 PM EDT /8 PM CDT/ TUESDAY FOR SOUTHEAST ALABAMA...THE EASTERN FLORIDA PANHANDLE AND THE FLORIDA BIG BEND...DUE TO AN EXPECTED COMBINATION OF LONG DURATIONS OF LOW RELATIVE HUMIDITY...HIGH DISPERSION LEVELS...AND HIGH 20 FOOT WIND SPEEDS... ...A FIRE WEATHER WATCH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR SOUTHEAST ALABAMA...THE EASTERN FLORIDA PANHANDLE AND THE FLORIDA BIG BEND...DUE TO A POSSIBLE COMBINATION OF LONG DURATIONS OF LOW RELATIVE HUMIDITY...HIGH DISPERSION LEVELS...HIGH 20 FOOT WIND SPEEDS... .DISCUSSION...AS ADDITIONAL DRY AIR SURGES SOUTHWARD ACROSS THE AREA ON TUESDAY WE EXPECT LONG DURATIONS OF LOW RELATIVE HUMIDITY COUPLED WITH HIGH DISPERSIONS AND 20 FOOT WINDS AT OR ABOVE 15 MPH OVER OUR FLORIDA ZONES. RED FLAG CRITERIA ARE ALSO EXPECTED TO BE MET OVER SOUTHEAST ALABAMA...SO THE FIRE WEATHER WATCH FOR TUESDAY HAS BEEN REPLACED WITH A RED FLAG WARNING FOR SOUTHEAST ALABAMA... THE EASTERN FLORIDA PANHANDLE AND THE FLORIDA BIG BEND. DRY AIR WILL REMAIN FIRMLY ENTRENCHED ACROSS THE AREA THROUGH MUCH OF THE WEEK...AND A FIRE WEATHER WATCH HAS BEEN ISSUED FOR SOUTHEAST ALABAMA...THE EASTERN FLORIDA PANHANDLE AND THE FLORIDA BIG BEND FOR WEDNESDAY. FLZ007-009>013-016>019-026>029-170030- /O.UPG.KTAE.FW.A.0045.110517T1600Z-110518T0100Z/ /O.NEW.KTAE.FW.W.0056.110517T1600Z-110518T0100Z/ /O.NEW.KTAE.FW.A.0046.110518T1600Z-110519T0100Z/ /O.CON.KTAE.FW.W.0055.000000T0000Z-110517T0000Z/ INLAND WALTON-HOLMES-WASHINGTON-JACKSON-INLAND BAY-CALHOUN- GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY-INLAND WAKULLA- INLAND TAYLOR-LAFAYETTE- 410 PM EDT MON MAY 16 2011 /310 PM CDT MON MAY 16 2011/ ...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS EVENING... ...A RED FLAG WARNING IN EFFECT FROM NOON EDT /11 AM CDT/ TO 9 PM EDT /8 PM CDT/ TUESDAY... ...A FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING... PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR ARE EXPECTED TO OCCUR. LONG DURATIONS OF LOW RELATIVE HUMIDITY...IN COMBINATION WITH HIGH DISPERSION LEVELS AND HIGH 20 FOOT WIND SPEEDS WILL ENHANCE FIRE GROWTH POTENTIAL. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ ALZ065>069-FLZ008-014-015-034-108-112-114-115-118-127-128-134- 170030- /O.UPG.KTAE.FW.A.0045.110517T1600Z-110518T0100Z/ /O.NEW.KTAE.FW.W.0056.110517T1600Z-110518T0100Z/ /O.NEW.KTAE.FW.A.0046.110518T1600Z-110519T0100Z/ COFFEE-DALE-HENRY-GENEVA-HOUSTON-CENTRAL WALTON-INLAND GULF- INLAND FRANKLIN-INLAND DIXIE-SOUTH WALTON-COASTAL BAY- COASTAL GULF-COASTAL FRANKLIN-COASTAL JEFFERSON-COASTAL WAKULLA- COASTAL TAYLOR-COASTAL DIXIE- 410 PM EDT MON MAY 16 2011 /310 PM CDT MON MAY 16 2011/ ...A RED FLAG WARNING IN EFFECT FROM NOON EDT /11 AM CDT/ TO 9 PM EDT /8 PM CDT/ TUESDAY... ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING... PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR ARE EXPECTED TO OCCUR. LONG DURATIONS OF LOW RELATIVE HUMIDITY...IN COMBINATION WITH HIGH DISPERSION LEVELS AND HIGH 20 FOOT WIND SPEEDS WILL ENHANCE FIRE GROWTH POTENTIAL. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ DUVAL
734 WWUS82 KTAE 170015 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 815 PM EDT MON MAY 16 2011 ...A RED FLAG WARNING IS IN EFFECT FROM NOON EDT /11 AM CDT/ TO 9 PM EDT /8 PM CDT/ TUESDAY FOR SOUTHEAST ALABAMA...THE EASTERN FLORIDA PANHANDLE AND THE FLORIDA BIG BEND...DUE TO AN EXPECTED COMBINATION OF LONG DURATIONS OF LOW RELATIVE HUMIDITY...HIGH DISPERSION LEVELS...AND HIGH 20 FOOT WIND SPEEDS... ...A FIRE WEATHER WATCH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR SOUTHEAST ALABAMA...THE EASTERN FLORIDA PANHANDLE AND THE FLORIDA BIG BEND...DUE TO A POSSIBLE COMBINATION OF LONG DURATIONS OF LOW RELATIVE HUMIDITY...HIGH DISPERSION LEVELS...HIGH 20 FOOT WIND SPEEDS... .DISCUSSION...AS ADDITIONAL DRY AIR SURGES SOUTHWARD ACROSS THE AREA ON TUESDAY WE EXPECT LONG DURATIONS OF LOW RELATIVE HUMIDITY COUPLED WITH HIGH DISPERSIONS AND 20 FOOT WINDS AT OR ABOVE 15 MPH OVER OUR FLORIDA ZONES. RED FLAG CRITERIA ARE ALSO EXPECTED TO BE MET OVER SOUTHEAST ALABAMA...SO THE FIRE WEATHER WATCH FOR TUESDAY HAS BEEN REPLACED WITH A RED FLAG WARNING FOR SOUTHEAST ALABAMA... THE EASTERN FLORIDA PANHANDLE AND THE FLORIDA BIG BEND. DRY AIR WILL REMAIN FIRMLY ENTRENCHED ACROSS THE AREA THROUGH MUCH OF THE WEEK...AND A FIRE WEATHER WATCH HAS BEEN ISSUED FOR SOUTHEAST ALABAMA...THE EASTERN FLORIDA PANHANDLE AND THE FLORIDA BIG BEND FOR WEDNESDAY. FLZ007-009>013-016>019-026>029-180130- /O.EXP.KTAE.FW.W.0055.000000T0000Z-110517T0000Z/ /O.CON.KTAE.FW.W.0056.110517T1600Z-110518T0100Z/ /O.CON.KTAE.FW.A.0046.110518T1600Z-110519T0100Z/ INLAND WALTON-HOLMES-WASHINGTON-JACKSON-INLAND BAY-CALHOUN- GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY-INLAND WAKULLA- INLAND TAYLOR-LAFAYETTE- 815 PM EDT MON MAY 16 2011 /715 PM CDT MON MAY 16 2011/ ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON EDT /11 AM CDT/ TO 9 PM EDT /8 PM CDT/ TUESDAY... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING... PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY WILL ENHANCE FIRE GROWTH POTENTIAL. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ ALZ065>069-FLZ008-014-015-034-108-112-114-115-118-127-128-134- 180130- /O.CON.KTAE.FW.W.0056.110517T1600Z-110518T0100Z/ /O.CON.KTAE.FW.A.0046.110518T1600Z-110519T0100Z/ COFFEE-DALE-HENRY-GENEVA-HOUSTON-CENTRAL WALTON-INLAND GULF- INLAND FRANKLIN-INLAND DIXIE-SOUTH WALTON-COASTAL BAY- COASTAL GULF-COASTAL FRANKLIN-COASTAL JEFFERSON-COASTAL WAKULLA- COASTAL TAYLOR-COASTAL DIXIE- 815 PM EDT MON MAY 16 2011 /715 PM CDT MON MAY 16 2011/ ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON EDT /11 AM CDT/ TO 9 PM EDT /8 PM CDT/ TUESDAY... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING... PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR ARE EXPECTED TO OCCUR. LONG DURATIONS OF LOW RELATIVE HUMIDITY...IN COMBINATION WITH HIGH DISPERSION LEVELS AND HIGH 20 FOOT WIND SPEEDS WILL ENHANCE FIRE GROWTH POTENTIAL. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 3:10 PM CDT | Fire Weather Watch | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 24 hr |
| May 16, 3:10 PM CDT | Red Flag Warning | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more | 28 hr |
Nearby
Red Flag Warnings in Florida, 2011Every red flag warning in 2011
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.