Alert archive / Alabama / Red Flag Warnings in 2008
Red Flag Warning 20, NWS Mobile, AL
NWS Mobile, AL issued this red flag warning at Feb 20, 2008, 6:01 AM CST for Walton County, Florida; 5 counties in Alabama. It took effect at Feb 20, 2008, 9:00 AM CST. It was in force for 8 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
- Feb 20, 2008, 6:01 AM CST (12:01 UTC)
- In effect from
- Feb 20, 2008, 9:00 AM CST
- Expired
- Feb 20, 2008, 5:00 PM CST
- In force
- 8 hr
- Issued by
- NWS Mobile, AL
Counties Butler County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Walton County, FL
The radar
The Eglin Afb radar (KEVX), 107 km from the middle of the area, began a volume at 12:00 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
Birmingham, AL (KBMX), launched 12:00Z, 0.0 hours before the alert went out and 208 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
- 2015 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 235 m²/s²
- 0-3 km storm-relative helicity
- 189 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 201201 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 601 AM CST WED FEB 20 2008 ...A RED FLAG WARNING IS IN EFFECT FOR THE WESTERN FLORIDA PANHANDLE AND SOUTH-CENTRAL ALABAMA... .A DRY AIRMASS CONTINUES TO REMAIN OVER THE AREA...ESPECIALLY OVER AREAS AWAY FROM THE GULF COAST AND WELL EAST OF THE MISSISSIPPI...ALABAMA STATE LINE. THIS AREA WILL BE THE LAST TO SEE SIGNIFICANT ONSHORE FLOW...WITH AFTERNOON RELATIVE HUMIDITY VALUES DROPPING INTO THE 20 TO 25 PERCENT RANGE OVER SOUTH-CENTRAL ALABAMA ALONG AND EAST OF INTERSTATE 65...25 TO 30 PERCENT OVER THE WESTERN FLORIDA PANHANDLE. FLZ001>006-008-202000- /O.NEW.KMOB.FW.W.0020.080220T1500Z-080220T2300Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- COASTAL WALTON- 601 AM CST WED FEB 20 2008 ...RED FLAG WARNING IN EFFECT FROM 9 AM THIS MORNING TO 5 PM CST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 5 PM CST THIS AFTERNOON. AFTERNOON RELATIVE HUMIDITY VALUES OVER THE WESTERN FLORIDA PANHANDLE ARE EXPECTED TO DROP INTO THE 25 TO 30 PERCENT RANGE THIS AFTERNOON. 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. $$ ALZ056>060-202000- /O.NEW.KMOB.FW.W.0020.080220T1800Z-080220T2300Z/ CONECUH-BUTLER-CRENSHAW-ESCAMBIA-COVINGTON- 601 AM CST WED FEB 20 2008 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 5 PM CST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 5 PM CST THIS AFTERNOON. AFTERNOON RELATIVE HUMIDITY VALUES OVER SOUTH-CENTRAL ALABAMA ARE EXPECTED TO DROP INTO THE 20 TO 25 PERCENT RANGE THIS AFTERNOON OVER AREAS ALONG AND EAST OF INTERSTATE 65. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
1 follow-up statement
000 WWUS84 KMOB 202141 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 341 PM CST WED FEB 20 2008 ...A RED FLAG WARNING IS IN EFFECT FOR A SUSTAINED PERIOD OF LOW RELATIVE HUMIDITY FOR THE INTERIOR SECTIONS OF THE WESTERN FLORIDA PANHANDLE AND SOUTH-CENTRAL ALABAMA UNTIL 5 PM THIS AFTERNOON... .A DRY AIRMASS REMAINS OVER THE AREA...ESPECIALLY AWAY FROM THE GULF COAST AND EAST OF INTERSTATE 65. THIS AREA WILL BE THE LAST TO SEE SIGNIFICANT ONSHORE FLOW...WITH AFTERNOON RELATIVE HUMIDITY VALUES DROPPING INTO THE 20 TO 25 PERCENT RANGE OVER PARTS OF SOUTH CENTRAL ALABAMA ALONG AND EAST OF INTERSTATE 65...AROUND 30 PERCENT OVER THE WESTERN FLORIDA PANHANDLE. FLZ002-004-006-008-202245- /O.CAN.KMOB.FW.W.0020.000000T0000Z-080220T2300Z/ COASTAL ESCAMBIA-COASTAL SANTA ROSA-COASTAL OKALOOSA- COASTAL WALTON- 341 PM CST WED FEB 20 2008 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE RED FLAG WARNING FOR THE COASTAL SECTIONS OF THE WEST FLORIDA PANHANDLE. AN ONSHORE FLOW HAS ENDED THE RISK OF LOW HUMIDITY OVER THE COASTAL SECTIONS. $$ ALZ056>060-FLZ001-003-005-202300- /O.CON.KMOB.FW.W.0020.000000T0000Z-080220T2300Z/ CONECUH-BUTLER-CRENSHAW-ESCAMBIA-COVINGTON-INLAND ESCAMBIA- INLAND SANTA ROSA-INLAND OKALOOSA- 341 PM CST WED FEB 20 2008 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON. AFTERNOON RELATIVE HUMIDITY VALUES OVER SOUTH-CENTRAL ALABAMA ARE AROUND 25 PERCENT RANGE OVER AREAS ALONG AND EAST OF INTERSTATE 65 AND NORTH OF INTERSTATE 10. A SOUTHERLY WINDS HAS DEVELOPED AND THE LOW HUMIDITY WILL END BY 5 PM. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
Nearby
Red Flag Warnings in Alabama, 2008Red 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.