Alert archive / Florida / Red Flag Warnings in 2012
Red Flag Warning 7, NWS Jacksonville, FL
NWS Jacksonville, FL issued this red flag warning at Feb 25, 2012, 4:47 AM EST for 7 counties in Florida. It took effect at Feb 25, 2012, 10:00 AM EST. 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
- Feb 25, 2012, 4:47 AM EST (09:47 UTC)
- In effect from
- Feb 25, 2012, 10:00 AM EST
- Expired
- Feb 25, 2012, 4:00 PM EST
- In force
- 6 hr
- Issued by
- NWS Jacksonville, FL
Counties Baker County, FL, Bradford County, FL, Flagler County, FL, Gilchrist County, FL, Nassau County, FL, Suwannee County, FL, Union County, FL
The radar
The Jacksonville radar (KJAX), 71 km from the middle of the area, began a volume at 09:49 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
Jacksonville, FL (KJAX), launched 00:00Z, 9.8 hours before the alert went out and 72 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
- 609 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 1088 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 295 m²/s²
- 0-3 km storm-relative helicity
- 321 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 4.5
The text
As transmitted, in the capitals the NWS used until 2016.
136 WWUS82 KJAX 250947 RFWJAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE JACKSONVILLE FL 447 AM EST SAT FEB 25 2012 FLZ020>025-030>033-035>038-040-251800- /O.UPG.KJAX.FW.A.0008.120225T1500Z-120225T2300Z/ /O.NEW.KJAX.FW.W.0007.120225T1500Z-120225T2100Z/ HAMILTON-SUWANNEE-COLUMBIA-BAKER-NASSAU-DUVAL-UNION-BRADFORD-CLAY- ST JOHNS-GILCHRIST-ALACHUA-PUTNAM-FLAGLER-MARION- 447 AM EST SAT FEB 25 2012 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 4 PM EST THIS AFTERNOON FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST FLORIDA... THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 4 PM EST THIS AFTERNOON. * WIND...NORTH AROUND 15 MPH WITH GUSTS UP TO 25 MPH INLAND AND 15 TO 20 MPH WITH GUSTS NEAR 30 MPH AT THE COAST THIS MORNING. * HUMIDITY...20 TO 25 PERCENT INLAND AND 25 TO 30 PERCENT AT THE COAST. * 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. A COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE INCREASED FIRE GROWTH POTENTIAL. && $$ HTTP://WEATHER.GOV/JAX
2 follow-up statements
392 WWUS82 KJAX 251853 RFWJAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE JACKSONVILLE FL 153 PM EST SAT FEB 25 2012 FLZ020>025-030>033-035>038-040-252100- /O.CON.KJAX.FW.W.0007.000000T0000Z-120225T2100Z/ HAMILTON-SUWANNEE-COLUMBIA-BAKER-NASSAU-DUVAL-UNION-BRADFORD-CLAY- ST JOHNS-GILCHRIST-ALACHUA-PUTNAM-FLAGLER-MARION- 153 PM EST SAT FEB 25 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST FLORIDA... * WIND...NORTH AROUND 15 MPH WITH GUSTS UP TO 20 MPH INLAND AND 15 TO 20 MPH WITH GUSTS UP TO 25 MPH AT THE COAST. * HUMIDITY...20 TO 25 PERCENT. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE INCREASED FIRE GROWTH POTENTIAL. && $$ HTTP://WEATHER.GOV/JAX
635 WWUS82 KJAX 252058 RFWJAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE JACKSONVILLE FL 358 PM EST SAT FEB 25 2012 FLZ020>025-030>033-035>038-040-252200- /O.EXP.KJAX.FW.W.0007.000000T0000Z-120225T2100Z/ HAMILTON-SUWANNEE-COLUMBIA-BAKER-NASSAU-DUVAL-UNION-BRADFORD-CLAY- ST JOHNS-GILCHRIST-ALACHUA-PUTNAM-FLAGLER-MARION- 358 PM EST SAT FEB 25 2012 ...RED FLAG WARNING WILL EXPIRE AT 4 PM EST THIS AFTERNOON FOR NORTHEAST FLORIDA... $$ HTTP://WEATHER.GOV/JAX
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 7:03 PM EST | Lake Wind Advisory | JAX | Baker, Bradford, Flagler, Nassau, Union | 4 hr |
| Feb 25, 1:07 PM EST | Small Craft Advisory | JAX | 8 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.