Alert archive / Florida / Red Flag Warnings in 2007
Red Flag Warning 50, NWS Mobile, AL
NWS Mobile, AL issued this red flag warning at May 7, 2007, 6:02 AM CDT for Walton County, Florida. It took effect at May 7, 2007, 12:00 PM CDT. It was in force for 7 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 7, 2007, 6:02 AM CDT (11:02 UTC)
- In effect from
- May 7, 2007, 12:00 PM CDT
- Expired
- May 7, 2007, 7:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS Mobile, AL
County Walton County, FL
The radar
The Eglin Afb radar (KEVX), 25 km from the middle of the area, began a volume at 11:04 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 00:00Z, 11.0 hours before the alert went out and 181 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
- 427 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 1333 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS84 KMOB 071102 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 602 AM CDT MON MAY 7 2007 ...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING FOR THE FLORIDA PANHANDLE DUE TO LOW HUMIDITY AND MODERATELY HIGH DISPERSION... .DISCUSSION...SURFACE HIGH HAS BUILT IN OVER THE REGION BEHIND A BACKDOOR COLD FRONT WHICH PASSED BY SUNDAY NIGHT. CALCULATIONS OF RELATIVE HUMIDITY SHOW RH WILL BE IN THE HIGH TEENS TO MID 20S OVER A PROLONGED PERIOD THIS AFTERNOON...LIKELY IN EXCESS OF 6 HOURS BELOW 30 PERCENT. DISPERSION WILL BE HIGH...FROM 45 TO 60...BECOMING POOR OVERNIGHT. FLZ001>006-008-071915- /O.UPG.KMOB.FW.A.0040.070507T1700Z-070508T0100Z/ /O.NEW.KMOB.FW.W.0050.070507T1700Z-070508T0000Z/ /O.NEW.KMOB.FW.A.0041.070508T1700Z-070509T0100Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- COASTAL WALTON- 602 AM CDT MON MAY 7 2007 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING FOR THE FLORIDA PANHANDLE DUE TO LOW HUMIDITY AND MODERATELY HIGH DISPERSION... ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR THE FLORIDA PANHANDLE DUE TO LOW HUMIDITY AND MODERATELY HIGH DISPERSION... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING. THE FIRE WEATHER WATCH OF YESTERDAY IS NO LONGER IN EFFECT BUT A NEW WATCH IS IN EFFECT FOR TUESDAY OVER THE SAME REGION. DRY AIR WILL MOVE OVER THE AREA FROM THE NORTHEAST TONIGHT...WITH DAYTIME RH EXPECTED TO FALL INTO THE 17 TO 25 PERCENT RANGE MONDAY AFTERNOON. STRONGER NORTHEAST WINDS WILL ALSO ACCOMPANY THE FRONT...CAUSING HIGH DAYTIME DISPERSION. 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 TEMPERATURE 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. $$
2 follow-up statements
000 WWUS84 KMOB 071621 CCA RFWMOB RED FLAG WARNING...CORRECTION TO HEADLINE NATIONAL WEATHER SERVICE MOBILE AL 602 AM CDT MON MAY 7 2007 ...RED FLAG WARNING IN EFFECT FROM THIS AFTERNOON FOR THE FLORIDA PANHANDLE DUE TO LOW HUMIDITY AND MODERATELY HIGH DISPERSION... .DISCUSSION...SURFACE HIGH HAS BUILT IN OVER THE REGION BEHIND A BACKDOOR COLD FRONT WHICH PASSED BY SUNDAY NIGHT. CALCULATIONS OF RELATIVE HUMIDITY SHOW RH WILL BE IN THE HIGH TEENS TO MID 20S OVER A PROLONGED PERIOD THIS AFTERNOON...LIKELY IN EXCESS OF 6 HOURS BELOW 30 PERCENT. DISPERSION WILL BE HIGH...FROM 45 TO 60...BECOMING POOR OVERNIGHT. FLZ001>006-008-071915- /O.UPG.KMOB.FW.A.0040.070507T1700Z-070508T0100Z/ /O.NEW.KMOB.FW.W.0050.070507T1700Z-070508T0000Z/ /O.NEW.KMOB.FW.A.0041.070508T1700Z-070509T0100Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- COASTAL WALTON- 602 AM CDT MON MAY 7 2007 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING FOR THE FLORIDA PANHANDLE DUE TO LOW HUMIDITY AND MODERATELY HIGH DISPERSION... ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR THE FLORIDA PANHANDLE DUE TO LOW HUMIDITY AND MODERATELY HIGH DISPERSION... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING. THE FIRE WEATHER WATCH OF YESTERDAY IS NO LONGER IN EFFECT BUT A NEW WATCH IS IN EFFECT FOR TUESDAY OVER THE SAME REGION. DRY AIR WILL MOVE OVER THE AREA FROM THE NORTHEAST TONIGHT...WITH DAYTIME RH EXPECTED TO FALL INTO THE 17 TO 25 PERCENT RANGE MONDAY AFTERNOON. STRONGER NORTHEAST WINDS WILL ALSO ACCOMPANY THE FRONT...CAUSING HIGH DAYTIME DISPERSION. 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 TEMPERATURE 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. $$
000 WWUS84 KMOB 071847 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 147 PM CDT MON MAY 7 2007 ...RED FLAG WARNING IN EFFECT FROM THIS AFTERNOON FOR THE FLORIDA PANHANDLE DUE TO LOW HUMIDITY AND MODERATELY HIGH DISPERSION... ...RED FLAG WARNING IN EFFECT FROM TUESDAY AFTERNOON FOR THE FLORIDA PANHANDLE DUE TO LOW HUMIDITY AND MODERATELY HIGH DISPERSION... .DISCUSSION...A DRY AND COOL AIRMASS WILL MOVE SOUTHWEST OVER THE AREA INTO TONIGHT. DAYTIME RH VALUES TUESDAY ARE EXPECTED TO FALL TO AROUND 20 PERCENT. FLZ001>006-008-080300- /O.UPG.KMOB.FW.A.0041.070508T1700Z-070509T0100Z/ /O.NEW.KMOB.FW.W.0051.070508T1700Z-070509T0100Z/ /O.CON.KMOB.FW.W.0050.000000T0000Z-070508T0000Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- COASTAL WALTON- 147 PM CDT MON MAY 7 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...RED FLAG WARNING IN EFFECT FROM 12 PM TO 8 PM CDT TUESDAY... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 12 PM TO 8 PM CDT TUESDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. |DRY AIR WILL CONTINUE TO MOVE OVER THE AREA FROM THE NORTHEAST TONIGHT... WITH DAYTIME RH EXPECTED TO FALL INTO THE 17 TO 25 PERCENT RANGE MONDAY AFTERNOON. STRONGER NORTHEAST WINDS WILL ALSO ACCOMPANY THE FRONT...CAUSING HIGH DAYTIME DISPERSIONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 6:02 AM CDT | Fire Weather Watch | MOB | Walton | 8 hr |
| May 7, 1:47 PM CDT | Red Flag Warning | MOB | Walton | 30 hr |
Nearby
Red Flag Warnings in Florida, 2007Every red flag warning in 2007
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.