Alert archive / Florida / Red Flag Warnings in 2012
Red Flag Warning 20, NWS Tallahassee, FL
NWS Tallahassee, FL issued this red flag warning at Apr 8, 2012, 1:58 PM CDT for 12 counties in Florida. It took effect at Apr 9, 2012, 1:00 PM CDT. It was in force for . 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 8, 2012, 1:58 PM CDT (18:58 UTC)
- In effect from
- Apr 9, 2012, 1:00 PM CDT
- Expired
- Apr 9, 2012, 1:36 AM CDT
- In force
- Issued by
- NWS Tallahassee, FL
Counties 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), 29 km from the middle of the area, began a volume at 18:58 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, 7.0 hours before the alert went out and 32 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
- 1362 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
550 WWUS82 KTAE 081858 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 258 PM EDT SUN APR 8 2012 ...A RED FLAG WARNING IS IN EFFECT FROM 2 PM EDT /1 PM CDT/ TO 6 PM EDT /5 PM CDT/ MONDAY FOR INLAND PORTIONS OF THE FLORIDA BIG BEND AND EASTERN PANHANDLE... .A COLD FRONT WILL SLIP SOUTH OF THE AREA ON MONDAY AND BRING DRIER AIR TO THE REGION. MIXING HEIGHTS WILL ALSO GROW QUITE HIGH WHICH WILL RESULT IN HIGH DISPERSION INDICES. RED FLAG CRITERIA ARE EXPECTED TO BE MET ACROSS PARTS OF FLORIDA. HOWEVER...IT WILL NOT BE DRY ENOUGH TO MEET THE ALABAMA OR GEORGIA CRITERIA. TUESDAY LOOKS TO BE AN EVEN DRIER DAY THAN MONDAY WITH ANOTHER RED FLAG EVENT LIKELY IN FLORIDA. FLZ007>011-013-016>019-026>029-091130- /O.NEW.KTAE.FW.W.0020.120409T1800Z-120409T2200Z/ INLAND WALTON-CENTRAL WALTON-HOLMES-WASHINGTON-JACKSON-CALHOUN- GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY-INLAND WAKULLA- INLAND TAYLOR-LAFAYETTE- 258 PM EDT SUN APR 8 2012 /158 PM CDT SUN APR 8 2012/ ...RED FLAG WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ TO 6 PM EDT /5 PM CDT/ MONDAY FOR INLAND PORTIONS OF THE FLORIDA BIG BEND AND EASTERN PANHANDLE... THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED THE RED FLAG WARNING DUE TO A COMBINATION OF LOW RELATIVE HUMIDITY AND HIGH DISPERSION. * AFFECTED AREA...FIRE WEATHER ZONES 007...008...009...010... 011...013...016...017...018...019...026...027...028 AND 029. * HUMIDITY...MINIMUM OF 30 TO 35 PERCENT. * DISPERSION...MAXIMUM 75 TO 90. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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. && $$ WOOL/VICKERY
1 follow-up statement
966 WWUS82 KTAE 090636 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 236 AM EDT MON APR 9 2012 ...RED FLAG WARNING IS CANCELLED... .DESPITE THE LOW RELATIVE HUMIDITY AND DEEP MIXED LAYERS... DISPERSION VALUES ARE EXPECTED TO REMAIN WELL BELOW 75 THIS AFTERNOON. THEREFORE...THE RED FLAG WARNING IS NO LONGER NEEDED. FLZ007>011-013-016>019-026>029-090745- /O.CAN.KTAE.FW.W.0020.120409T1800Z-120409T2200Z/ INLAND WALTON-CENTRAL WALTON-HOLMES-WASHINGTON-JACKSON-CALHOUN- GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY-INLAND WAKULLA- INLAND TAYLOR-LAFAYETTE- 236 AM EDT MON APR 9 2012 /136 AM CDT MON APR 9 2012/ ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS CANCELLED THE RED FLAG WARNING. DISPERSION VALUES ARE NOW FORECAST TO REMAIN WELL BELOW CRITICAL LEVELS. THEREFORE...THE RED FLAG WARNING IS NO LONGER NEEDED. $$
Nearby
Red Flag Warnings in Florida, 2012Every red flag warning in 2012
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.