Alert archive / Florida / Red Flag Warnings in 2011
Red Flag Warning 41, NWS Tallahassee, FL
NWS Tallahassee, FL issued this red flag warning at Apr 23, 2011, 2:45 AM CDT for 13 counties in Florida. It took effect at Apr 23, 2011, 2:00 PM CDT. It was in force for 4 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
- Apr 23, 2011, 2:45 AM CDT (07:45 UTC)
- In effect from
- Apr 23, 2011, 2:00 PM CDT
- Expired
- Apr 23, 2011, 6:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS Tallahassee, FL
Counties Bay County, FL, Calhoun County, FL, Dixie 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, Walton County, FL, Washington County, FL
The radar
The Tallahassee radar (KTLH), 27 km from the middle of the area, began a volume at 07:45 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
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 7.8 hours before the alert went out and 30 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
- 116 J/kg
- Mixed-layer CIN
- -236 J/kg
- Mixed-layer LCL
- 1588 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
318 WWUS82 KTAE 230745 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 345 AM EDT SAT APR 23 2011 ...A RED FLAG WARNING IS NOW IN EFFECT THIS AFTERNOON THROUGH THE EVENING ACROSS THE INLAND SECTIONS OF NORTHWEST FLORIDA DUE TO A COMBINATION OF LOW RELATIVE HUMIDITY VALUES AND HIGH DISPERSIONS... .THE INLAND FLORIDA PANHANDLE AND BIG BEND WILL REACH RED FLAG CRITERIA THIS AFTERNOON DUE TO THE COMBINATION OF LOW RELATIVE HUMIDITY VALUES BELOW 35 PERCENT AND HIGH DISPERSIONS. FLZ008-230845- /O.CAN.KTAE.FW.A.0033.110423T1900Z-110424T0000Z/ CENTRAL WALTON- 245 AM CDT SAT APR 23 2011 ...FIRE WEATHER WATCH IS CANCELLED FOR CENTRAL WALTON COUNTY... THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS CANCELLED THE FIRE WEATHER WATCH. $$ FLZ007-009>011-232300- /O.UPG.KTAE.FW.A.0033.110423T1900Z-110424T0000Z/ /O.NEW.KTAE.FW.W.0041.110423T1900Z-110423T2300Z/ INLAND WALTON-HOLMES-WASHINGTON-JACKSON- 245 AM CDT SAT APR 23 2011 ...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 PM CDT THIS EVENING FOR DUE TO LOW RELATIVE HUMIDITY AND HIGH DISPERSIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY WILL ENHANCE FIRE GROWTH POTENTIAL. && $$ FLZ012-013-016>019-026-028-029-034-232300- /O.NEW.KTAE.FW.W.0041.110423T1900Z-110423T2300Z/ INLAND BAY-CALHOUN-GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY- INLAND TAYLOR-LAFAYETTE-INLAND DIXIE- 345 AM EDT SAT APR 23 2011 /245 AM CDT SAT APR 23 2011/ ...RED FLAG WARNING IN EFFECT FROM 3 PM EDT /2 PM CDT/ THIS AFTERNOON TO 7 PM EDT /6 PM CDT/ THIS EVENING DUE TO LOW RELATIVE HUMIDITY AND HIGH DISPERSIONS... 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. && $$
2 follow-up statements
340 WWUS82 KTAE 230746 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 346 AM EDT SAT APR 23 2011 ...A RED FLAG WARNING IS NOW IN EFFECT THIS AFTERNOON THROUGH THE EVENING ACROSS THE INLAND SECTIONS OF NORTHWEST FLORIDA DUE TO A COMBINATION OF LOW RELATIVE HUMIDITY VALUES AND HIGH DISPERSIONS... .THE INLAND FLORIDA PANHANDLE AND BIG BEND WILL REACH RED FLAG CRITERIA THIS AFTERNOON DUE TO THE COMBINATION OF LOW RELATIVE HUMIDITY VALUES BELOW 35 PERCENT AND HIGH DISPERSIONS. FLZ007-009>013-016>019-026-028-029-034-232300- /O.CON.KTAE.FW.W.0041.110423T1900Z-110423T2300Z/ INLAND WALTON-HOLMES-WASHINGTON-JACKSON-INLAND BAY-CALHOUN- GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY-INLAND TAYLOR- LAFAYETTE-INLAND DIXIE- 346 AM EDT SAT APR 23 2011 /246 AM CDT SAT APR 23 2011/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 3 PM EDT /2 PM CDT/ THIS AFTERNOON TO 7 PM EDT /6 PM CDT/ THIS EVENING... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY WILL ENHANCE FIRE GROWTH POTENTIAL. && $$
554 WWUS82 KTAE 232119 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 519 PM EDT SAT APR 23 2011 ...A RED FLAG WARNING IS NOW IN EFFECT THIS AFTERNOON THROUGH THE EVENING ACROSS THE INLAND SECTIONS OF NORTHWEST FLORIDA DUE TO A COMBINATION OF LOW RELATIVE HUMIDITY AND HIGH DISPERSION INDICES... .THE INLAND FLORIDA PANHANDLE HAS REACHED RED FLAG CRITERIA...BUT CRITERIA IS NO LONGER EXPECTED TO BE REACHED FROM LEON COUNTY EAST. FLZ017>019-028-029-034-232230- /O.CAN.KTAE.FW.W.0041.000000T0000Z-110423T2300Z/ LEON-INLAND JEFFERSON-MADISON-INLAND TAYLOR-LAFAYETTE- INLAND DIXIE- 519 PM EDT SAT APR 23 2011 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS CANCELLED THE RED FLAG WARNING. CRITERIA IS NO LONGER EXPECTED TO BE REACHED FROM LEON COUNTY EAST. $$ FLZ007-009>013-016-026-232300- /O.CON.KTAE.FW.W.0041.000000T0000Z-110423T2300Z/ INLAND WALTON-HOLMES-WASHINGTON-JACKSON-INLAND BAY-CALHOUN- GADSDEN-LIBERTY- 519 PM EDT SAT APR 23 2011 /419 PM CDT SAT APR 23 2011/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT /6 PM CDT/ THIS EVENING... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY WILL ENHANCE FIRE GROWTH POTENTIAL. $$ WOOL
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.