Alert archive / Florida / Red Flag Warnings in 2011
Red Flag Warning 49, NWS Jacksonville, FL
NWS Jacksonville, FL issued this red flag warning at Jun 9, 2011, 4:16 AM EDT for Gilchrist County, Suwannee County, Florida. It took effect at Jun 9, 2011, 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
- Jun 9, 2011, 4:16 AM EDT (08:16 UTC)
- In effect from
- Jun 9, 2011, 1:00 PM EDT
- Expired
- Jun 9, 2011, 7:00 PM EDT
- In force
- 6 hr
- Issued by
- NWS Jacksonville, FL
Counties Gilchrist County, FL, Suwannee County, FL
The nearest sounding before it
Jacksonville, FL (KJAX), launched 00:00Z, 8.3 hours before the alert went out and 130 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
- 141 J/kg
- Mixed-layer CIN
- -303 J/kg
- Mixed-layer LCL
- 1157 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- -39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
011 WWUS82 KJAX 090816 RFWJAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE JACKSONVILLE FL 416 AM EDT THU JUN 9 2011 FLZ020>022-035-092300- /O.UPG.KJAX.FW.A.0041.110609T1700Z-110609T2300Z/ /O.NEW.KJAX.FW.W.0049.110609T1700Z-110609T2300Z/ HAMILTON-SUWANNEE-COLUMBIA-GILCHRIST- 416 AM EDT THU JUN 9 2011 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING FOR LOW RH AND HIGH ERC... THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. ABOVE NORMAL TEMPERATURES AND DRY CONDITIONS ARE EXPECTED TODAY WITH RH VALUES DROPPING INTO THE 30 TO 35 PERCENT RANGE FOR ABOUT 4 HOURS THIS AFTERNOON. ERC VALUES ARE EXPECTED TO BE IN THE UPPER 30S TO AROUND 40. 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...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
2 follow-up statements
873 WWUS82 KJAX 091810 AAA RFWJAX URGENT - FIRE WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE JACKSONVILLE FL 210 PM EDT THU JUN 9 2011 FLZ020>022-101000- /O.NEW.KJAX.FW.A.0042.110610T1800Z-110610T2200Z/ /O.CON.KJAX.FW.W.0049.000000T0000Z-110609T2300Z/ HAMILTON-SUWANNEE-COLUMBIA- 210 PM EDT THU JUN 9 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING FOR LOW RH AND HIGH ERC VALUES ACROSS THE SUWANNEE RIVER VALLEY... ...FIRE WEATHER WATCH IN EFFECT FRIDAY AFTERNOON FOR LOW RH AND HIGH ERC VALUES ACROSS THE SUWANNEE RIVER VALLEY... THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FRIDAY AFTERNOON. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING. ABOVE NORMAL TEMPERATURES AND DRY CONDITIONS ARE EXPECTED THIS AFTERNOON AND AGAIN FRIDAY AFTERNOON WITH RH VALUES DROPPING INTO THE 30 TO 35 PERCENT RANGE FOR ABOUT 4 HOURS THIS AFTERNOON. ERC VALUES ARE EXPECTED TO BE IN THE UPPER 30S TO AROUND 40. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ FLZ035-092300- /O.CON.KJAX.FW.W.0049.000000T0000Z-110609T2300Z/ GILCHRIST- 210 PM EDT THU JUN 9 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING FOR LOW RH AND HIGH ERC VALUES ACROSS THE SUWANNEE RIVER VALLEY... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING. ABOVE NORMAL TEMPERATURES AND DRY CONDITIONS ARE EXPECTED THIS AFTERNOON WITH RH VALUES DROPPING INTO THE 30 TO 35 PERCENT RANGE FOR ABOUT 4 HOURS THIS AFTERNOON. ERC VALUES ARE EXPECTED TO BE IN THE UPPER 30S TO AROUND 40. 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...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
718 WWUS82 KJAX 092256 RFWJAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE JACKSONVILLE FL 656 PM EDT THU JUN 9 2011 FLZ020>022-101000- /O.EXP.KJAX.FW.W.0049.000000T0000Z-110609T2300Z/ /O.CON.KJAX.FW.A.0042.110610T1800Z-110610T2200Z/ HAMILTON-SUWANNEE-COLUMBIA- 656 PM EDT THU JUN 9 2011 ...FIRE WEATHER WATCH REMAINS IN EFFECT FRIDAY AFTERNOON FOR LOW RH AND HIGH ERC VALUES ACROSS THE SUWANNEE RIVER VALLEY... ...RED FLAG WARNING WILL EXPIRE AT 7 PM EDT THIS EVENING FOR THE SUWANNEE RIVER VALLEY... THE RED FLAG WARNING WILL EXPIRE AT 7 PM EDT THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT FRIDAY AFTERNOON. ABOVE NORMAL TEMPERATURES AND DRY CONDITIONS ARE EXPECTED AGAIN FRIDAY AFTERNOON WITH RH VALUES DROPPING INTO THE 30 TO 35 PERCENT RANGE FOR ABOUT 4 HOURS. ERC VALUES ARE EXPECTED TO BE IN THE UPPER 30S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ FLZ035-100000- /O.EXP.KJAX.FW.W.0049.000000T0000Z-110609T2300Z/ GILCHRIST- 656 PM EDT THU JUN 9 2011 ...RED FLAG WARNING WILL EXPIRE AT 7 PM EDT THIS EVENING FOR GILCHRIST COUNTY... THE RED FLAG WARNING WILL EXPIRE AT 7 PM EDT THIS EVENING. $$ MKT
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 2:10 PM EDT | Fire Weather Watch | JAX | Suwannee | 14 hr |
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.