Alert archive / Florida / Red Flag Warnings in 2011
Red Flag Warning 2, NWS Jacksonville, FL
NWS Jacksonville, FL issued this red flag warning at Jan 7, 2011, 2:31 AM EST for 7 counties in Florida. It took effect at Jan 7, 2011, 12:00 PM 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
- Jan 7, 2011, 2:31 AM EST (07:31 UTC)
- In effect from
- Jan 7, 2011, 12:00 PM EST
- Expired
- Jan 7, 2011, 6:00 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 07:32 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, 7.5 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1321 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 26 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.
560 WWUS82 KJAX 070731 AAA RFWJAX URGENT - FIRE WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE JACKSONVILLE FL 231 AM EST FRI JAN 7 2011 FLZ020>025-030>033-035>038-040-072300- /O.UPG.KJAX.FW.A.0002.110107T1800Z-110107T2300Z/ /O.NEW.KJAX.FW.W.0002.110107T1700Z-110107T2300Z/ /O.NEW.KJAX.FW.A.0003.110108T1700Z-110108T2300Z/ HAMILTON-SUWANNEE-COLUMBIA-BAKER-NASSAU-DUVAL-UNION-BRADFORD-CLAY- ST JOHNS-GILCHRIST-ALACHUA-PUTNAM-FLAGLER-MARION- 231 AM EST FRI JAN 7 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EST THIS EVENING DUE TO STRONG WINDS AND MARGINALLY LOW RH VALUES... ...FIRE WEATHER WATCH IN EFFECT SATURDAY AFTERNOON DUE TO STRONG WINDS AND MARGINALLY LOW RH VALUES... THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM EST THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN EFFECT SATURDAY AFTERNOON. THIS AFTERNOON...THE COMBINATION OF BREEZY WEST TO SOUTHWEST WINDS AND RELATIVE HUMIDITIES BOTTOMING OUT AROUND 35 PERCENT WILL SET THE STAGE FOR DANGEROUS FIRE WEATHER CONDITIONS AT TIMES. THUS A RED FLAG WARNING HAS BEEN ISSUED FOR ALL OF NORTHEAST FLORIDA. WEST TO SOUTHWEST WINDS WILL INCREASE TO 15 TO 20 MPH WITH GUSTS TO 25 MPH AT TIMES. SATURDAY AFTERNOON...THE COMBINATION OF BREEZY WEST TO NORTHWEST WINDS AND RELATIVE HUMIDITIES BOTTOMING OUT AROUND 35 PERCENT WILL BE POSSIBLE ONCE AGAIN. THUS A FIRE WEATHER WATCH HAS BEEN ISSUED FOR ALL OF NORTHEAST FLORIDA. WEST TO SOUTHWEST WINDS WILL INCREASE TO 15 TO 20 MPH WITH GUSTS TO 25 MPH AT TIMES. 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. && $$
1 follow-up statement
988 WWUS82 KJAX 071937 RFWJAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE JACKSONVILLE FL 237 PM EST FRI JAN 7 2011 FLZ020>025-030>033-035>038-040-072300- /O.UPG.KJAX.FW.A.0003.110108T1700Z-110108T2300Z/ /O.NEW.KJAX.FW.W.0003.110108T1700Z-110108T2300Z/ /O.CON.KJAX.FW.W.0002.000000T0000Z-110107T2300Z/ HAMILTON-SUWANNEE-COLUMBIA-BAKER-NASSAU-DUVAL-UNION-BRADFORD-CLAY- ST JOHNS-GILCHRIST-ALACHUA-PUTNAM-FLAGLER-MARION- 237 PM EST FRI JAN 7 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING DUE TO LOW RH VALUES AND GUSTY WINDS... ...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM EST SATURDAY DUE TO LOW RH VALUES AND GUSTY WINDS... THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 6 PM EST SATURDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING. THE REST OF THIS AFTERNOON...THE COMBINATION OF BREEZY WEST TO SOUTHWEST WINDS AND RELATIVE HUMIDITIES BOTTOMING OUT AROUND 30 PERCENT WILL PRESENT DANGEROUS FIRE WEATHER CONDITIONS. WEST TO SOUTHWEST WINDS WILL SUSTAIN AT 15 TO 20 MPH WITH GUSTS TO 30 MPH. A RED FLAG WARNING CONTINUES FOR NORTHEAST FLORIDA THROUGH 6 PM EST. SATURDAY AFTERNOON...THE COMBINATION OF BREEZY WEST TO NORTHWEST WINDS AND RELATIVE HUMIDITIES BOTTOMING OUT AROUND 35 PERCENT WILL AGAIN PRESENT DANGEROUS FIRE WEATHER CONDITIONS. WEST TO SOUTHWEST WINDS WILL INCREASE TO 15 TO 20 MPH WITH GUSTS TO 25 MPH AT TIMES. A RED FLAG WARNING HAS BEEN ISSUED FOR NORTHEAST FLORIDA. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF THESE RED FLAG WARNINGS. && $$ ECZ
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 7, 2:12 AM EST | Lake Wind Advisory | JAX | Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more | 16 hr |
| Jan 7, 2:15 AM EST | Gale Watch | JAX | 12 hr | |
| Jan 7, 2:31 AM EST | Fire Weather Watch | JAX | Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more | 12 hr |
| Jan 7, 2:30 PM EST | Gale Warning | JAX | 15 hr | |
| Jan 7, 2:30 PM EST | Small Craft Advisory | JAX | 3 days | |
| Jan 7, 2:37 PM EST | Red Flag Warning | JAX | Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more | 27 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; radar from the NEXRAD Level II archive.