Alert archive / Florida / Red Flag Warnings in 2011
Red Flag Warning 52, NWS Tallahassee, FL
NWS Tallahassee, FL issued this red flag warning at May 13, 2011, 3:13 AM CDT for 10 counties in Florida. It took effect at May 13, 2011, 1:00 PM CDT. It was in force for 5 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 13, 2011, 3:13 AM CDT (08:13 UTC)
- In effect from
- May 13, 2011, 1:00 PM CDT
- Expired
- May 13, 2011, 6:00 PM CDT
- In force
- 5 hr
- Issued by
- NWS Tallahassee, FL
Counties Calhoun County, FL, Dixie County, FL, Gadsden County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Madison County, FL, Taylor County, FL, Wakulla County, FL
The radar
The Tallahassee radar (KTLH), 25 km from the middle of the area, began a volume at 08:11 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, 8.2 hours before the alert went out and 23 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
- 3598 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
629 WWUS82 KTAE 130813 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 413 AM EDT FRI MAY 13 2011 ...A RED FLAG WARNING IS NOW IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON UNTIL 7 PM EDT /6 PM CDT/ THIS EVENING FOR THE INTERIOR PORTIONS OF THE FLORIDA BIG BEND AND PARTS OF THE EASTERN PANHANDLE DUE TO A COMBINATION OF RELATIVE HUMIDITY BELOW 35 PERCENT AND DISPERSIONS GREATER THAN 75... .DISCUSSION...WITH TODAY'S FORECAST ERC VALUES STILL EXPECTED TO BE FAIRLY HIGH ACROSS WESTERN PORTIONS OF THE FLORIDA BIG BEND AND EASTERN PANHANDLE..AND WITH FORECAST DISPERSIONS ABOVE 75 OVER ALL AREAS OF THE PREVIOUS WATCH...WILL UPGRADE THE PRIOR FIRE WEATHER WATCH TO A RED FLAG WARNING AS MINIMUM RELATIVE HUMIDITIES WILL BE LESS THAN 35 PERCENT. ALSO...WILL ADD INLAND DIXIE COUNTY TO THE WARNING AS THEY NOW JUST MEET THE ABOVE CRITERIA THIS AFTERNOON. AFTER TODAY...INCREASING LOW LEVEL MOISTURE ALONG WITH INCREASING CLOUD COVER AND RAIN CHANCES SHOULD PRECLUDE ANY FIRE WEATHER CONCERNS FOR SATURDAY...WITH DRIER AIR GRADUALLY MOVING INTO THE REGION ON SUNDAY BEHIND THE COLD FRONT. FLZ011-013-016>019-026>029-132300- /O.UPG.KTAE.FW.A.0043.110513T1800Z-110513T2300Z/ /O.NEW.KTAE.FW.W.0052.110513T1800Z-110513T2300Z/ JACKSON-CALHOUN-GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY- INLAND WAKULLA-INLAND TAYLOR-LAFAYETTE- 413 AM EDT FRI MAY 13 2011 /313 AM CDT FRI MAY 13 2011/ ...A RED FLAG WARNING IS NOW IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 7 PM EDT /6 PM CDT/ THIS EVENING DUE TO A COMBINATION OF RELATIVE HUMIDITY BELOW 35 PERCENT AND DISPERSIONS GREATER THAN 75... 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 7 PM EDT /6 PM CDT/ THIS 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. && $$ FLZ034-132300- /O.NEW.KTAE.FW.W.0052.110513T1800Z-110513T2300Z/ INLAND DIXIE- 413 AM EDT FRI MAY 13 2011 ...A RED FLAG WARNING IS NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING DUE TO A COMBINATION OF RELATIVE HUMIDITY BELOW 35 PERCENT AND DISPERSIONS GREATER THAN 75... THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY WILL ENHANCE FIRE GROWTH POTENTIAL. && $$ 17-GOULD
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 4:34 AM CDT | Dense Fog Advisory | TAE | Bay, Calhoun, Franklin, Gulf, Holmes, Jackson and 2 more | 4 hr |
| May 13, 5:19 PM CDT | Special Marine Warning | TAE | 41 min | |
| May 13, 5:56 PM CDT | Special Weather Statement | TAE | Walton | 34 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.