Alert archive / Georgia / Red Flag Warnings in 2011
Red Flag Warning 39, NWS Tallahassee, FL
NWS Tallahassee, FL issued this red flag warning at Apr 16, 2011, 3:45 PM EDT for 26 counties in Georgia; Leon County, Florida; 5 counties in Alabama. It took effect at Apr 17, 2011, 11:00 AM EDT. It was in force for 9 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 16, 2011, 3:45 PM EDT (19:45 UTC)
- In effect from
- Apr 17, 2011, 11:00 AM EDT
- Expired
- Apr 17, 2011, 8:00 PM EDT
- In force
- 9 hr
- Issued by
- NWS Tallahassee, FL
All 32 counties
Coffee County, AL, Dale County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Leon County, FL, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brooks County, GA, Calhoun County, GA, Clay County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Irwin County, GA, Lanier County, GA, Lee County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Worth County, GA
The radar
The Tallahassee radar (KTLH), 102 km from the middle of the area, began a volume at 19:43 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, 7.8 hours before the alert went out and 101 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
- 1557 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 670 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 5.1
The text
As transmitted, in the capitals the NWS used until 2016.
588 WWUS82 KTAE 161945 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 345 PM EDT SAT APR 16 2011 ...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS EVENING...FOR INLAND PORTIONS OF THE FLORIDA PANHANDLE AND BIG BEND DUE TO A COMBINATION OF LOW RELATIVE HUMIDITY...20 FOOT WIND SPEEDS OF 15 MPH OR HIGHER AND HIGH DISPERSIONS... ...RED FLAG WARNING IS NOW IN EFFECT FROM 1 PM EDT /NOON CDT/ TO 8 PM EDT /7 PM CDT/ SUNDAY FOR ALL OF SOUTHEAST ALABAMA...SOUTHWEST AND SOUTH-CENTRAL GEORGIA... .A MUCH DRIER AIRMASS HAS ARRIVED ACROSS THE REGION TODAY IN THE WAKE OF A COLD FRONT. RELATIVE HUMIDITY VALUES HAVE DROPPED TO BELOW CRITICAL LEVELS OVER MUCH OF NORTHWEST FLORIDA THIS AFTERNOON AND WILL REMAIN LOW INTO THE EARLY EVENING HOURS. RELATIVE HUMIDITY VALUES ARE EXPECTED TO BE EVEN LOWER ACROSS THE REGION DURING SUNDAY AFTERNOON...ESPECIALLY AWAY FROM THE IMMEDIATE COAST...WHERE MINIMUM RELATIVE HUMIDITY VALUES ARE EXPECTED TO FALL INTO THE LOWER 20S. FOR THIS REASON A RED FLAG WARNING HAS BEEN ISSUED FOR ALL OF SOUTHEAST ALABAMA...SOUTHWEST AND SOUTH-CENTRAL GEORGIA. HOWEVER...WITH HIGH PRESSURE BUILDING OVERHEAD...WINDS WILL BE MUCH LIGHTER ON SUNDAY AND KEEP DISPERSION INDICES BELOW 75. FOR THESE REASONS...COMBINED WITH CURRENT ENERGY RELEASE COMPONENTS BELOW 35...RED FLAG CONDITIONS WILL NOT BE MET OVER NORTHWEST FLORIDA...DESPITE THE VERY LOW RELATIVE HUMIDITY. ALZ065>069-GAZ120>131-142>148-155>161-171100- /O.UPG.KTAE.FW.A.0032.110417T1800Z-110418T0000Z/ /O.NEW.KTAE.FW.W.0039.110417T1700Z-110418T0000Z/ COFFEE-DALE-HENRY-GENEVA-HOUSTON-QUITMAN-CLAY-RANDOLPH-CALHOUN- TERRELL-DOUGHERTY-LEE-WORTH-TURNER-TIFT-BEN HILL-IRWIN-EARLY- MILLER-BAKER-MITCHELL-COLQUITT-COOK-BERRIEN-SEMINOLE-DECATUR- GRADY-THOMAS-BROOKS-LOWNDES-LANIER- 345 PM EDT SAT APR 16 2011 /245 PM CDT SAT APR 16 2011/ ...RED FLAG WARNING IN EFFECT FROM 1 PM EDT /NOON CDT/ TO 8 PM EDT /7 PM CDT/ SUNDAY FOR ALL OF SOUTHEAST ALABAMA...SOUTHWEST AND SOUTH-CENTRAL GEORGIA.... THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM EDT /NOON CDT/ TO 8 PM EDT /7 PM CDT/ SUNDAY DUE TO EXPECTED LONG DURATIONS OF RELATIVE HUMIDITY AT OR BELOW 25 PERCENT. 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. && $$ FLZ007>019-026-027-170000- /O.CON.KTAE.FW.W.0038.000000T0000Z-110417T0000Z/ INLAND WALTON-CENTRAL WALTON-HOLMES-WASHINGTON-JACKSON-INLAND BAY- CALHOUN-INLAND GULF-INLAND FRANKLIN-GADSDEN-LEON-INLAND JEFFERSON- MADISON-LIBERTY-INLAND WAKULLA- 345 PM EDT SAT APR 16 2011 /245 PM CDT SAT APR 16 2011/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS EVENING DUE TO A COMBINATION OF LOW RELATIVE HUMIDITY...20 FOOT WIND SPEEDS OF 15 MPH OR GREATER AND HIGH DISPERSION... PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY WILL ENHANCE FIRE GROWTH POTENTIAL. && $$ MROCZKA
3 follow-up statements
116 WWUS82 KTAE 170020 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 820 PM EDT SAT APR 16 2011 ...RED FLAG WARNING IS NOW IN EFFECT FROM 1 PM EDT /NOON CDT/ TO 8 PM EDT /7 PM CDT/ SUNDAY FOR ALL OF SOUTHEAST ALABAMA... SOUTHWEST AND SOUTH-CENTRAL GEORGIA... .A MUCH DRIER AIRMASS HAS ARRIVED ACROSS THE REGION TODAY IN THE WAKE OF A COLD FRONT. RELATIVE HUMIDITY VALUES ARE EXPECTED TO BE EVEN LOWER ACROSS THE REGION DURING SUNDAY AFTERNOON...ESPECIALLY AWAY FROM THE IMMEDIATE COAST...WHERE MINIMUM RELATIVE HUMIDITY VALUES ARE EXPECTED TO FALL INTO THE LOWER 20S. FOR THIS REASON A RED FLAG WARNING HAS BEEN ISSUED FOR ALL OF SOUTHEAST ALABAMA...SOUTHWEST AND SOUTH-CENTRAL GEORGIA. HOWEVER...WITH HIGH PRESSURE BUILDING OVERHEAD...WINDS WILL BE MUCH LIGHTER ON SUNDAY AND KEEP DISPERSION INDICES BELOW 75. FOR THESE REASONS...COMBINED WITH CURRENT ENERGY RELEASE COMPONENTS BELOW 35...RED FLAG CONDITIONS WILL NOT BE MET OVER NORTHWEST FLORIDA...DESPITE THE VERY LOW RELATIVE HUMIDITY. FLZ007>019-026-027-170130- /O.EXP.KTAE.FW.W.0038.000000T0000Z-110417T0000Z/ INLAND WALTON-CENTRAL WALTON-HOLMES-WASHINGTON-JACKSON-INLAND BAY- CALHOUN-INLAND GULF-INLAND FRANKLIN-GADSDEN-LEON-INLAND JEFFERSON- MADISON-LIBERTY-INLAND WAKULLA- 820 PM EDT SAT APR 16 2011 /720 PM CDT SAT APR 16 2011/ ...RED FLAG WARNING HAS EXPIRED FOR TODAY... $$ ALZ065>069-GAZ120>131-142>148-155>161-171000- /O.CON.KTAE.FW.W.0039.110417T1700Z-110418T0000Z/ COFFEE-DALE-HENRY-GENEVA-HOUSTON-QUITMAN-CLAY-RANDOLPH-CALHOUN- TERRELL-DOUGHERTY-LEE-WORTH-TURNER-TIFT-BEN HILL-IRWIN-EARLY- MILLER-BAKER-MITCHELL-COLQUITT-COOK-BERRIEN-SEMINOLE-DECATUR- GRADY-THOMAS-BROOKS-LOWNDES-LANIER- 820 PM EDT SAT APR 16 2011 /720 PM CDT SAT APR 16 2011/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM EDT /NOON CDT/ TO 8 PM EDT /7 PM CDT/ SUNDAY FOR ALL OF SOUTHEAST ALABAMA... SOUTHWEST AND SOUTH-CENTRAL GEORGIA.... PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY WILL ENHANCE FIRE GROWTH POTENTIAL. && $$
549 WWUS82 KTAE 170107 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 907 PM EDT SAT APR 16 2011 ...RED FLAG WARNING IS NOW IN EFFECT FROM 1 PM EDT /NOON CDT/ TO 8 PM EDT /7 PM CDT/ SUNDAY FOR ALL OF SOUTHEAST ALABAMA... SOUTHWEST AND SOUTH-CENTRAL GEORGIA... ...RED FLAG WARNING IS NOW IN EFFECT FROM 1 PM EDT TO 8 PM EDT SUNDAY FOR LEON COUNTY... .UPDATE...THE LATEST ENERGY RELEASE COMPONENT FORECAST THIS EVENING HAS PORTIONS OF NORTHWEST FLORIDA REACHING THE 30 TO 35 RANGE (35 FOR LEON COUNTY). THEREFORE...A RED FLAG WARNING WILL BE ISSUED FOR LEON COUNTY AND A RED FLAG STATEMENT ACROSS MUCH OF THE INLAND FLORIDA PANHANDLE COUNTIES FOR TOMORROW AFTERNOON. FLZ017-171000- /O.EXB.KTAE.FW.W.0039.110417T1500Z-110417T2300Z/ LEON- 907 PM EDT SAT APR 16 2011 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM EDT SUNDAY FOR LEON COUNTY DUE TO A COMBINATION OF LOW RELATIVE HUMIDITY AND ERC VALUES OF 35... 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. && $$ ALZ065>069-GAZ120>131-142>148-155>161-171000- /O.CON.KTAE.FW.W.0039.110417T1700Z-110418T0000Z/ COFFEE-DALE-HENRY-GENEVA-HOUSTON-QUITMAN-CLAY-RANDOLPH-CALHOUN- TERRELL-DOUGHERTY-LEE-WORTH-TURNER-TIFT-BEN HILL-IRWIN-EARLY- MILLER-BAKER-MITCHELL-COLQUITT-COOK-BERRIEN-SEMINOLE-DECATUR- GRADY-THOMAS-BROOKS-LOWNDES-LANIER- 907 PM EDT SAT APR 16 2011 /807 PM CDT SAT APR 16 2011/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM EDT /NOON CDT/ TO 8 PM EDT /7 PM CDT/ SUNDAY FOR ALL OF SOUTHEAST ALABAMA... SOUTHWEST AND SOUTH-CENTRAL GEORGIA.... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY WILL ENHANCE FIRE GROWTH POTENTIAL. && $$
382 WWUS82 KTAE 170700 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 300 AM EDT SUN APR 17 2011 ...RED FLAG WARNING IS IN EFFECT FROM 1 PM EDT /NOON CDT/ TO 8 PM EDT /7 PM CDT/ TODAY FOR ALL OF SOUTHEAST ALABAMA... SOUTHWEST AND SOUTH-CENTRAL GEORGIA DUE TO EXPECTED LONG DURATIONS OF LOW RELATIVE HUMIDITY... ...RED FLAG WARNING IS NOW IN EFFECT FROM 1 PM EDT TO 8 PM EDT TODAY FOR LEON COUNTY DUE TO THE COMBINATION OF HIGH ERC AND LONG DURATIONS OF LOW RELATIVE HUMIDITY... .A DRY AIR MASS WILL BE IN PLACE TODAY ACROSS THE REGION LEADING TO CRITICAL DURATIONS OF LOW HUMIDITY ACROSS SOUTHEAST ALABAMA AND SOUTH GEORGIA. WILL CONTINUE THE RED FLAG WARNING FOR THOSE AREAS. ERC VALUES ARE FORECAST TO BE ABOVE 35 FOR LEON COUNTY TODAY...SO WITH EXPECTED LONG DURATIONS OF LOW HUMIDITY...RED FLAG WILL CONTINUE THERE AS WELL. INCREASING ONSHORE FLOW WILL BEGIN TO RAISE LOW LEVEL MOISTURE INTO MONDAY WITH NO HEADLINES NEEDED AT THIS TIME. ALZ065>069-GAZ120>131-142>148-155>161-180000- /O.CON.KTAE.FW.W.0039.110417T1700Z-110418T0000Z/ COFFEE-DALE-HENRY-GENEVA-HOUSTON-QUITMAN-CLAY-RANDOLPH-CALHOUN- TERRELL-DOUGHERTY-LEE-WORTH-TURNER-TIFT-BEN HILL-IRWIN-EARLY- MILLER-BAKER-MITCHELL-COLQUITT-COOK-BERRIEN-SEMINOLE-DECATUR- GRADY-THOMAS-BROOKS-LOWNDES-LANIER- 300 AM EDT SUN APR 17 2011 /200 AM CDT SUN APR 17 2011/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM EDT /NOON CDT/ THIS AFTERNOON TO 8 PM EDT /7 PM CDT/ THIS EVENING FOR ALL OF SOUTHEAST ALABAMA...SOUTHWEST AND SOUTH-CENTRAL GEORGIA.... 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. $$ FLZ017-172300- /O.CON.KTAE.FW.W.0039.110417T1500Z-110417T2300Z/ LEON- 300 AM EDT SUN APR 17 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING FOR LEON COUNTY DUE TO A COMBINATION OF LOW RELATIVE HUMIDITY AND ERC VALUES OF 35... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY WILL ENHANCE FIRE GROWTH POTENTIAL. $$ CAMP
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 4:30 AM EDT | Special Weather Statement | TAE | Grady | 45 min |
| Apr 16, 4:44 AM EDT | Severe Thunderstorm Warning | TAE | Decatur, Grady | 46 min |
| Apr 16, 5:22 AM EDT | Severe Thunderstorm Warning | TAE | Brooks, Colquitt, Grady, Thomas | 38 min |
| Apr 16, 10:06 AM EDT | Fire Weather Watch | TAE | Baker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 20 more | 6 hr |
| Apr 16, 3:57 AM EDT | Rip Current Statement | TAE | Bay, Gulf, Walton | 22 hr |
| Apr 16, 5:59 AM EDT | Special Weather Statement | TAE | Leon | 31 min |
| Apr 16, 6:39 AM EDT | Special Weather Statement | TAE | Leon | 36 min |
| Apr 16, 10:06 AM EDT | Red Flag Warning | TAE | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 7 more | 10 hr |
| Apr 16, 1:54 AM EDT | Tornado Warning | TAE | Coffee | 51 min |
| Apr 16, 2:39 AM EDT | Severe Thunderstorm Warning | TAE | Coffee, Dale, Geneva, Henry, Houston | 51 min |
| Apr 16, 3:12 AM EDT | Tornado Warning | TAE | Dale, Henry | 33 min |
| Apr 16, 3:46 AM EDT | Special Weather Statement | TAE | Houston | 44 min |
Nearby
Red Flag Warnings in Georgia, 2011Red Flag Warnings in Alabama, 2011Red 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.