Alert archive / Florida / Red Flag Warnings in 2012
Red Flag Warning 30, NWS Tallahassee, FL
NWS Tallahassee, FL issued this red flag warning at May 10, 2012, 4:50 PM EDT for Leon County, Florida. It took effect at May 11, 2012, 1:00 PM EDT. It was in force for 6 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 10, 2012, 4:50 PM EDT (20:50 UTC)
- In effect from
- May 11, 2012, 1:00 PM EDT
- Expired
- May 11, 2012, 7:00 PM EDT
- In force
- 6 hr
- Issued by
- NWS Tallahassee, FL
County Leon County, FL
The radar
The Tallahassee radar (KTLH), 8 km from the middle of the area, began a volume at 21:05 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 12:00Z, 8.8 hours before the alert went out and 7 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
- 1629 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -97 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
499 WWUS82 KTAE 102050 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 450 PM EDT THU MAY 10 2012 ...RED FLAG WARNING IN EFFECT FROM 1 PM TO 7 PM EDT FRIDAY FOR LEON COUNTY DUE TO A COMBINATION OF LOW RELATIVE HUMIDITY AND FUEL MOISTURE... FLZ017-111130- /O.NEW.KTAE.FW.W.0030.120511T1700Z-120511T2300Z/ LEON- 450 PM EDT THU MAY 10 2012 ...RED FLAG WARNING IN EFFECT FROM 1 PM TO 7 PM EDT FRIDAY FOR LEON COUNTY... THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG WARNING DUE TO A COMBINATION OF LOW RELATIVE HUMIDITY AND FUEL MOISTURE. * AFFECTED AREA...FIRE WEATHER ZONE 017. * HUMIDITY...MINIMUM OF 27 PERCENT WITH TOTAL DURATIONS BELOW 35 PERCENT OF AROUND 6 HOURS. * ERC...37. * 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. && $$ 18-WOOL
1 follow-up statement
657 WWUS82 KTAE 110746 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 346 AM EDT FRI MAY 11 2012 ...A RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM EDT THIS AFTERNOON TO 7 PM EDT THIS EVENING FOR LEON COUNTY DUE TO A COMBINATION OF LOW RELATIVE HUMIDITY AND HIGH ERC VALUES... FLZ017-112300- /O.CON.KTAE.FW.W.0030.120511T1700Z-120511T2300Z/ LEON- 346 AM EDT FRI MAY 11 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING FOR LEON COUNTY... * HUMIDITY...MINIMUM BETWEEN 25 AND 30 PERCENT WITH DURATIONS BELOW 35 PERCENT OF AROUND 6 HOURS. * ERC...37. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY WILL ENHANCE FIRE GROWTH POTENTIAL. && $$ DVD
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 8:21 PM EDT | Fire Weather Watch | TAE | Dixie, Franklin, Gulf, Jefferson, Lafayette, Leon and 3 more | 7 hr |
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.