Alert archive / Florida / Red Flag Warnings in 2008
Red Flag Warning 41, NWS Mobile, AL
NWS Mobile, AL issued this red flag warning at Apr 20, 2008, 5:06 AM CDT for Walton County, Florida. It took effect at Apr 20, 2008, 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
- Apr 20, 2008, 5:06 AM CDT (10:06 UTC)
- In effect from
- Apr 20, 2008, 12:00 PM CDT
- Expired
- Apr 20, 2008, 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 10:10 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, 10.1 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3162 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS84 KMOB 201006 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 506 AM CDT SUN APR 20 2008 ...A RED FLAG WARNING IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING...AND A FIRE WEATHER WATCH IS IN EFFECT SUNDAY AFTERNOON FOR ESCAMBIA...SANTA ROSA...OKALOOSA...AND COASTAL WALTON COUNTIES IN NORTHWEST FLORIDA DUE TO LONG DURATION OF LOW RELATIVE HUMIDITY. .A COLD FRONT MOVED THROUGH THE REGION YESTERDAY BRINGING DRY AIR TO THE AREA. THIS WILL CONTINUE THROUGH WHILE DAYTIME TEMPERATURE WARMS TO SEVERAL DEGREES ABOVE SEASONABLE. AFTERNOON RELATIVE HUMIDITY WILL DROP BELOW CRITICAL OVER THE NORTHWEST FLORIDA PANHANDLE ON THIS AFTERNOON AND AGAIN ON MONDAY. FLZ001>006-008-210215- /O.UPG.KMOB.FW.A.0034.080420T1700Z-080420T2300Z/ /O.NEW.KMOB.FW.W.0041.080420T1700Z-080421T0000Z/ /O.NEW.KMOB.FW.A.0036.080421T1700Z-080421T2300Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- COASTAL WALTON- 506 AM CDT SUN APR 20 2008 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING FOR THE NORTHWEST FLORIDA PANHANDLE DUE TO LOW RELATIVE HUMIDITY... ...FIRE WEATHER WATCH IN EFFECT MONDAY AFTERNOON FOR THE NORTHWEST FLORIDA PANHANDLE DUE TO LOW RELATIVE HUMIDITY.. 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...IN EFFECT MONDAY AFTERNOON. RELATIVE HUMIDITY WILL DROP BELOW CRITICAL FOR SLIGHTLY LONGER THAN FOUR HOURS OVER THE NORTHWEST FLORIDA PANHANDLE TODAY AND MONDAY. 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 BRING EXPLOSIVE FIRE GROWTH RISK. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$
2 follow-up statements
000 WWUS84 KMOB 201134 CCA RFWMOB RED FLAG WARNING ...CORRECTED... NATIONAL WEATHER SERVICE MOBILE AL 506 AM CDT SUN APR 20 2008 ...A RED FLAG WARNING IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING...AND A FIRE WEATHER WATCH IS IN EFFECT MONDAY AFTERNOON FOR ESCAMBIA...SANTA ROSA...OKALOOSA...AND COASTAL WALTON COUNTIES IN NORTHWEST FLORIDA DUE TO LONG DURATION OF LOW RELATIVE HUMIDITY. .A COLD FRONT MOVED THROUGH THE REGION YESTERDAY BRINGING DRY AIR TO THE AREA. THIS WILL CONTINUE THROUGH WHILE DAYTIME TEMPERATURE WARMS TO SEVERAL DEGREES ABOVE SEASONABLE. AFTERNOON RELATIVE HUMIDITY WILL DROP BELOW CRITICAL OVER THE NORTHWEST FLORIDA PANHANDLE THIS AFTERNOON AND AGAIN ON MONDAY. FLZ001>006-008-210215- /O.UPG.KMOB.FW.A.0034.080420T1700Z-080420T2300Z/ /O.NEW.KMOB.FW.W.0041.080420T1700Z-080421T0000Z/ /O.NEW.KMOB.FW.A.0036.080421T1700Z-080421T2300Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- COASTAL WALTON- 506 AM CDT SUN APR 20 2008 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING FOR THE NORTHWEST FLORIDA PANHANDLE DUE TO LOW RELATIVE HUMIDITY... ...FIRE WEATHER WATCH IN EFFECT MONDAY AFTERNOON FOR THE NORTHWEST FLORIDA PANHANDLE DUE TO LOW RELATIVE HUMIDITY.. THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED...IN EFFECT MONDAY AFTERNOON. RELATIVE HUMIDITY WILL DROP BELOW CRITICAL FOR SLIGHTLY LONGER THAN FOUR HOURS OVER THE NORTHWEST FLORIDA PANHANDLE TODAY AND MONDAY. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY AND WARM TEMPERATURES WILL BRING EXPLOSIVE FIRE GROWTH RISK. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$
000 WWUS84 KMOB 201853 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 153 PM CDT SUN APR 20 2008 ...A RED FLAG WARNING REMAINS IN EFFECT FOR THE WEST FLORIDA PANHANDLE UNTIL 7 PM CDT TODAY. A FIRE WEATHER WATCH IS IN EFFECT MONDAY AFTERNOON FOR THE WEST FLORIDA PANHANDLE. A FIRE WEATHER WATCH IS IN EFFECT FOR THE INTERIOR OF THE WEST FLORIDA PANHANDLE ON TUESDAY AFTERNOON. THE WARNING AND WATCHES ARE DUE TO EXPECTED LONG DURATION OF LOW RELATIVE HUMIDITY... .A DRY AIR MASS IN ASSOCIATION WITH HIGH PRESSURE AND WARM AFTERNOON TEMPERATURES WILL PREVAIL FOR THE NEXT FEW AFTERNOONS. AN AFTERNOON SEA BREEZE WILL TEMPER THE DRY AIR NEAR THE COAST ON MONDAY AND THE COASTAL ZONES ON TUESDAY AFTERNOON. AFTERNOON RELATIVE HUMIDITY WILL DROP BELOW 35 PERCENT OVER THE NORTHWEST FLORIDA PANHANDLE MONDAY AFTERNOON AND THE INTERIOR SECTIONS ON TUESDAY AFTERNOON. FLZ001-003-005-211100- /O.NEW.KMOB.FW.A.0037.080422T1700Z-080422T2300Z/ /O.CON.KMOB.FW.W.0041.000000T0000Z-080421T0000Z/ /O.CON.KMOB.FW.A.0036.080421T1700Z-080421T2300Z/ INLAND ESCAMBIA-INLAND SANTA ROSA-INLAND OKALOOSA- 153 PM CDT SUN APR 20 2008 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...FIRE WEATHER WATCH REMAINS IN EFFECT MONDAY AFTERNOON... ...FIRE WEATHER WATCH IN EFFECT TUESDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING WHICH REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT MONDAY AFTERNOON AND A FIRE WEATHER WATCH IS IN EFFECT TUESDAY AFTERNOON. RELATIVE HUMIDITY WILL DROP BELOW 35 PERCENT CRITICAL FOR SLIGHTLY LONGER THAN FOUR HOURS OVER THE NORTHWEST FLORIDA PANHANDLE TODAY AND IS EXPECTED TO BE BELOW 35 PERCENT FOR FOUR HOURS ON MONDAY AND TUESDAY AFTERNOONS. 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 BRING RAPID FIRE GROWTH RISK. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ FLZ002-004-006-008-211100- /O.CON.KMOB.FW.W.0041.000000T0000Z-080421T0000Z/ /O.CON.KMOB.FW.A.0036.080421T1700Z-080421T2300Z/ COASTAL ESCAMBIA-COASTAL SANTA ROSA-COASTAL OKALOOSA- COASTAL WALTON- 153 PM CDT SUN APR 20 2008 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...FIRE WEATHER WATCH REMAINS IN EFFECT MONDAY AFTERNOON... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT MONDAY AFTERNOON. THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED...IN EFFECT MONDAY AFTERNOON. RELATIVE HUMIDITY WILL DROP BELOW 35 PERCENT FOR SLIGHTLY LONGER THAN FOUR HOURS OVER THE NORTHWEST FLORIDA PANHANDLE TODAY AND MONDAY. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY AND WARM TEMPERATURES WILL BRING RAPID FIRE GROWTH RISK. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 5:06 AM CDT | Fire Weather Watch | MOB | Walton | 25 hr |
| Apr 20, 1:53 PM CDT | Fire Weather Watch | MOB | 40 hr |
Nearby
Red Flag Warnings in Florida, 2008Every red flag warning in 2008
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.