Alert archive / Florida / Red Flag Warnings in 2011
Red Flag Warning 21, NWS Jacksonville, FL
NWS Jacksonville, FL issued this red flag warning at Mar 10, 2011, 4:43 AM EST for Suwannee County, Florida. It took effect at Mar 10, 2011, 2:00 PM EST. It was in force for 3 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
- Mar 10, 2011, 4:43 AM EST (09:43 UTC)
- In effect from
- Mar 10, 2011, 2:00 PM EST
- Expired
- Mar 10, 2011, 5:00 PM EST
- In force
- 3 hr
- Issued by
- NWS Jacksonville, FL
County Suwannee County, FL
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 9.7 hours before the alert went out and 128 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
- 10 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 610 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- -370 m²/s²
- 0-3 km storm-relative helicity
- -451 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
424 WWUS82 KJAX 100943 RFWJAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE JACKSONVILLE FL 443 AM EST THU MAR 10 2011 FLZ020>022-102200- /O.UPG.KJAX.FW.A.0019.110310T1800Z-110310T2200Z/ /O.NEW.KJAX.FW.W.0021.110310T1900Z-110310T2200Z/ HAMILTON-SUWANNEE-COLUMBIA- 443 AM EST THU MAR 10 2011 ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 5 PM EST THIS AFTERNOON DUE TO STRONG WINDS AND LOW RH... THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 2 PM TO 5 PM EST THIS AFTERNOON. WINDS WILL SHIFT TO THE WEST AND GUST UP TO 35 MPH AT TIMES THIS AFTERNOON. RELATIVE HUMIDITIES WILL BRIEFLY BOTTOM OUT BETWEEN 30 AND 35 PERCENT. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ JDS
2 follow-up statements
397 WWUS82 KJAX 101854 RFWJAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE JACKSONVILLE FL 154 PM EST THU MAR 10 2011 FLZ020>022-111100- /O.NEW.KJAX.FW.A.0020.110311T1700Z-110311T2300Z/ /O.CON.KJAX.FW.W.0021.110310T1900Z-110310T2200Z/ HAMILTON-SUWANNEE-COLUMBIA- 154 PM EST THU MAR 10 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM EST THIS AFTERNOON FOR LOW HUMIDITIES AND BREEZY WINDS... ...FIRE WEATHER WATCH IN EFFECT FRIDAY AFTERNOON FOR LOW HUMIDITIES AND BREEZY WINDS... THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FRIDAY AFTERNOON. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM EST THIS AFTERNOON. NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO 30 MPH WILL CONTINUE THIS AFTERNOON AS DRIER AIR MOVES OVER THE AREA. LATE THIS AFTERNOON...IT IS POSSIBLE FOR MINIMUM RELATIVE HUMIDITIES TO FALL INTO THE 30 TO 35 PERCENT RANGE. A RED FLAG WARNING REMAINS IN EFFECT. FRIDAY BREEZY NORTHWEST WINDS WILL NEAR 15 MPH WITH GUSTS OF 25 MPH IN THE AFTERNOON. RELATIVE HUMIDITIES WILL NEAR 25 TO 30 PERCENT FOR SEVERAL HOURS...AND A FIRE WEATHER WATCH HAS BEEN ISSUED. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ GAZ132>136-149>154-162>166-111100- /O.NEW.KJAX.FW.A.0020.110311T1700Z-110311T2300Z/ COFFEE-JEFF DAVIS-BACON-APPLING-WAYNE-ATKINSON-WARE-PIERCE- BRANTLEY-INLAND GLYNN-COASTAL GLYNN-ECHOLS-CLINCH-CHARLTON- INLAND CAMDEN-COASTAL CAMDEN- 154 PM EST THU MAR 10 2011 ...FIRE WEATHER WATCH IN EFFECT FRIDAY AFTERNOON FOR LOW RHS AND BREEZY WINDS... THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FRIDAY AFTERNOON. FRIDAY BREEZY NORTHWEST WINDS WILL NEAR 15 MPH WITH GUSTS OF 25 MPH IN THE AFTERNOON. RELATIVE HUMIDITIES WILL NEAR 25 TO 30 PERCENT FOR SEVERAL HOURS...AND A FIRE WEATHER WATCH HAS BEEN ISSUED. 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. && $$ FLZ023>025-030>033-035>038-040-111100- /O.NEW.KJAX.FW.A.0020.110311T1700Z-110311T2300Z/ BAKER-NASSAU-DUVAL-UNION-BRADFORD-CLAY-ST JOHNS-GILCHRIST-ALACHUA- PUTNAM-FLAGLER-MARION- 154 PM EST THU MAR 10 2011 ...FIRE WEATHER WATCH IN EFFECT FRIDAY AFTERNOON FOR LOW RHS AND BREEZY WINDS... THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FRIDAY AFTERNOON. FRIDAY BREEZY NORTHWEST WINDS WILL NEAR 15 MPH WITH GUSTS OF 25 MPH IN THE AFTERNOON. RELATIVE HUMIDITIES WILL NEAR 25 TO 30 PERCENT FOR SEVERAL HOURS...AND A FIRE WEATHER WATCH HAS BEEN ISSUED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ ENYEDI
049 WWUS82 KJAX 102209 AAA RFWJAX URGENT - FIRE WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE JACKSONVILLE FL 509 PM EST THU MAR 10 2011 FLZ020>022-111315- /O.EXP.KJAX.FW.W.0021.000000T0000Z-110310T2200Z/ /O.CON.KJAX.FW.A.0020.110311T1700Z-110311T2300Z/ HAMILTON-SUWANNEE-COLUMBIA- 509 PM EST THU MAR 10 2011 ...FIRE WEATHER WATCH REMAINS IN EFFECT FRIDAY AFTERNOON... ...RED FLAG WARNING FOR TODAY HAS EXPIRED... THE RED FLAG WARNING IS NO LONGER IN EFFECT FOR TODAY. A FIRE WEATHER WATCH REMAINS IN EFFECT FRIDAY AFTERNOON. ON FRIDAY...BREEZY NORTHWEST WINDS WILL NEAR 15 MPH WITH GUSTS OF 25 MPH IN THE AFTERNOON. RELATIVE HUMIDITIES WILL NEAR 25 TO 30 PERCENT FOR SEVERAL HOURS...AND A FIRE WEATHER WATCH HAS BEEN ISSUED. 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. && $$ GAZ132>136-149>154-162>166-111315- /O.CON.KJAX.FW.A.0020.110311T1700Z-110311T2300Z/ COFFEE-JEFF DAVIS-BACON-APPLING-WAYNE-ATKINSON-WARE-PIERCE- BRANTLEY-INLAND GLYNN-COASTAL GLYNN-ECHOLS-CLINCH-CHARLTON- INLAND CAMDEN-COASTAL CAMDEN- 509 PM EST THU MAR 10 2011 ...FIRE WEATHER WATCH REMAINS IN EFFECT FRIDAY AFTERNOON... A FIRE WEATHER WATCH REMAINS IN EFFECT FRIDAY AFTERNOON. ON FRIDAY...BREEZY NORTHWEST WINDS WILL NEAR 15 MPH WITH GUSTS OF 25 MPH IN THE AFTERNOON. RELATIVE HUMIDITIES WILL NEAR 25 TO 30 PERCENT FOR SEVERAL HOURS...AND A FIRE WEATHER WATCH HAS BEEN ISSUED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ FLZ023>025-030>033-035>038-040-111315- /O.CON.KJAX.FW.A.0020.110311T1700Z-110311T2300Z/ BAKER-NASSAU-DUVAL-UNION-BRADFORD-CLAY-ST JOHNS-GILCHRIST-ALACHUA- PUTNAM-FLAGLER-MARION- 509 PM EST THU MAR 10 2011 ...FIRE WEATHER WATCH REMAINS IN EFFECT FRIDAY AFTERNOON... A FIRE WEATHER WATCH REMAINS IN EFFECT FRIDAY AFTERNOON. ON FRIDAY...BREEZY NORTHWEST WINDS WILL NEAR 15 MPH WITH GUSTS OF 25 MPH IN THE AFTERNOON. RELATIVE HUMIDITIES WILL NEAR 25 TO 30 PERCENT FOR SEVERAL HOURS...AND A FIRE WEATHER WATCH HAS BEEN ISSUED. 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. && $$
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 9, 7:03 PM EST | Special Marine Warning | JAX | 87 min | |
| Mar 9, 7:08 PM EST | Special Weather Statement | JAX | Alachua, Bradford, Clay, Duval | 52 min |
| Mar 9, 7:57 PM EST | Special Weather Statement | JAX | Marion, Putnam, Saint Johns | 63 min |
| Mar 9, 8:22 PM EST | Special Marine Warning | JAX | 83 min | |
| Mar 9, 8:52 PM EST | Special Weather Statement | JAX | Flagler, Marion | 53 min |
| Mar 9, 9:42 PM EST | Special Marine Warning | JAX | 93 min | |
| Mar 10, 4:18 AM EST | Lake Wind Advisory | JAX | Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more | 15 hr |
| Mar 10, 4:37 AM EST | Small Craft Advisory for Winds | JAX | 28 hr | |
| Mar 10, 12:33 PM EST | Special Marine Warning | JAX | 117 min | |
| Mar 10, 1:54 PM EST | Fire Weather Watch | JAX | Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more | 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.