Alert archive / Florida / Red Flag Warnings in 2011
Red Flag Warning 74, NWS Tallahassee, FL
NWS Tallahassee, FL issued this red flag warning at Jun 11, 2011, 4:04 AM EDT for 8 counties in Florida. It took effect at Jun 11, 2011, 2:00 PM EDT. 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
- Jun 11, 2011, 4:04 AM EDT (08:04 UTC)
- In effect from
- Jun 11, 2011, 2:00 PM EDT
- Expired
- Jun 11, 2011, 6:00 PM EDT
- In force
- 4 hr
- Issued by
- NWS Tallahassee, FL
Counties Gadsden County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Madison County, FL, Walton County, FL, Washington County, FL
The radar
The Tallahassee radar (KTLH), 58 km from the middle of the area, began a volume at 08:05 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, 8.1 hours before the alert went out and 61 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
- 1853 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 1544 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
640 WWUS82 KTAE 110804 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 404 AM EDT SAT JUN 11 2011 ...A RED FLAG WARNING IS IN EFFECT FOR THIS AFTERNOON FOR PORTIONS OF THE INLAND FLORIDA BIG BEND AND PANHANDLE DUE TO LONG DURATIONS OF RELATIVE HUMIDITIES BELOW 35 PERCENT AND ERC VALUES ABOVE 34... .MOISTURE WILL CONTINUE TO SLOWLY INCREASE ACROSS THE TRI- STATE AREA THIS WEEKEND. HOWEVER...FOR TODAY WITH STRONG HEATING... RELATIVE HUMIDITIES ARE STILL EXPECTED TO DROP TO CRITICAL LEVELS OVER PORTIONS OF THE EASTERN FLORIDA PANHANDLE AND BIG BEND THAT BORDER ON ALABAMA AND GEORGIA. THUS A RED FLAG WARNING WAS ISSUED. FOR SUNDAY...THERE WILL BE AN INCREASE IN SHOWER AND THUNDERSTORM ACTIVITY...ESPECIALLY IN AREAS AFFECTED BY THE AFTERNOON SEA BREEZE...AND NO RED FLAG CONDITIONS ARE EXPECTED. ON MONDAY... INLAND TEMPERATURES APPROACHING THE CENTURY MARK WILL GENERATE LOWER HUMIDITIES AND RED FLAG CONDITIONS ARE POSSIBLE ACROSS INLAND COUNTIES. RED FLAG LEVELS ARE NOT ANTICIPATED DURING THE REST OF THE WORK WEEK. FLZ009-011-016>019-112200- /O.UPG.KTAE.FW.A.0060.110611T1800Z-110611T2200Z/ /O.NEW.KTAE.FW.W.0074.110611T1800Z-110611T2200Z/ HOLMES-JACKSON-GADSDEN-LEON-INLAND JEFFERSON-MADISON- 404 AM EDT SAT JUN 11 2011 /304 AM CDT SAT JUN 11 2011/ ...A RED FLAG WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 6 PM EDT /5 PM CDT/ THIS EVENING DUE TO LONG DURATIONS OF RELATIVE HUMIDITIES BELOW 35 PERCENT AND ERC VALUES ABOVE 34... THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 6 PM EDT /5 PM CDT/ THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 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. && $$ FLZ007-010-112200- /O.NEW.KTAE.FW.W.0074.110611T1800Z-110611T2200Z/ INLAND WALTON-WASHINGTON- 304 AM CDT SAT JUN 11 2011 ...A RED FLAG WARNING IS IN EFFECT FROM 1 PM TO 5 PM CDT THIS AFTERNOON FOR DUE TO LONG DURATIONS OF RELATIVE HUMIDITIES BELOW 35 PERCENT AND ERC VALUES ABOVE 34... THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM TO 5 PM CDT THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY WILL ENHANCE FIRE GROWTH POTENTIAL. && $$ BLOCK
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 4:12 PM EDT | Special Weather Statement | TAE | Lafayette | 33 min |
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.