Alert archive / Alabama / Red Flag Warnings in 2008
Red Flag Warning 19, NWS Mobile, AL
NWS Mobile, AL issued this red flag warning at Feb 18, 2008, 5:56 AM CST for Walton County, Florida; 5 counties in Alabama. It took effect at Feb 19, 2008, 5:15 AM CST. It was in force for 12 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 18, 2008, 5:56 AM CST (11:56 UTC)
- In effect from
- Feb 19, 2008, 5:15 AM CST
- Expired
- Feb 19, 2008, 5:00 PM CST
- In force
- 12 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 11:56 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 00:00Z, 11.9 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
- 1668 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 227 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS84 KMOB 181157 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 556 AM CST MON FEB 18 2008 ...A RED FLAG WARNING IS IN EFFECT FOR TUESDAY AFTERNOON FOR THE WESTERN FLORIDA PANHANDLE DUE TO EXPECTED LOW RELATIVE HUMIDITY... .A DRIER AIRMASS WILL MOVE OVER THE AREA TODAY INTO TONIGHT AS HIGH PRESSURE MOVES OVER THE AREA TUESDAY. THIS AIRMASS WILL SEE AFTERNOON RELATIVE HUMIDITY VALUES DROPPING TO AROUND 25 PERCENT. A DEEP MIXING LAYER WILL ALSO BE PRESENT...CREATING VERY HIGH DISPERSIONS OVER THE AREA. FLZ001>006-008-182000- /O.NEW.KMOB.FW.W.0019.080219T1700Z-080220T0000Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- COASTAL WALTON- 556 AM CST MON FEB 18 2008 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 6 PM CST TUESDAY... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM TO 6 PM CST TUESDAY. AFTERNOON RELATIVE HUMIDITY VALUES WILL FALL TO AROUND 25 PERCENT TUESDAY AFTERNOON AS HIGH PRESSURE MOVES OVER THE AREA. AS SURFACE HIGH PRESSURE MOVES EAST OF THE AREA TUESDAY NIGHT INTO WEDNESDAY...WITH SOUTHERLY FLOW RETURNING AND MOISTURE RETURNING TO THE AREA...BEGINNING OVER THE COASTAL AREAS. 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. $$
3 follow-up statements
000 WWUS84 KMOB 182044 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 244 PM CST MON FEB 18 2008 ...A RED FLAG WARNING IS IN EFFECT FOR TUESDAY AFTERNOON FOR THE WESTERN FLORIDA PANHANDLE DUE TO EXPECTED LOW RELATIVE HUMIDITY... .A DRIER AIRMASS WILL MOVE OVER THE AREA THROUGH TUESDAY AS HIGH PRESSURE MOVES OVER THE AREA. THIS AIRMASS WILL SEE AFTERNOON RELATIVE HUMIDITY VALUES DROPPING TO AROUND 25 PERCENT. FLZ001>006-008-191200- /O.CON.KMOB.FW.W.0019.080219T1700Z-080220T0000Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- COASTAL WALTON- 244 PM CST MON FEB 18 2008 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 6 PM CST TUESDAY... A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 6 PM CST TUESDAY. AFTERNOON RELATIVE HUMIDITY VALUES WILL FALL TO AROUND 25 PERCENT TUESDAY AFTERNOON AS HIGH PRESSURE MOVES OVER THE AREA. AS SURFACE HIGH PRESSURE MOVES EAST OF THE AREA TUESDAY NIGHT INTO WEDNESDAY...SOUTHERLY FLOW WILL RETURN...BEGINNING OVER THE COASTAL AREAS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. THE LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
000 WWUS84 KMOB 191115 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 515 AM CST TUE FEB 19 2008 ...A RED FLAG WARNING IS IN EFFECT FOR THIS AFTERNOON FOR THE WESTERN FLORIDA PANHANDLE AND SOUTH-CENTRAL ALABAMA DUE TO EXPECTED LOW RELATIVE HUMIDITY... .A DRIER AIRMASS WILL MOVE OVER THE AREA THROUGH TODAY AS HIGH PRESSURE MOVES OVER THE AREA. THIS AIRMASS WILL SEE AFTERNOON RELATIVE HUMIDITY VALUES DROPPING INTO THE 20 TO 25 PERCENT RANGE. ALZ056>060-192000- /O.EXB.KMOB.FW.W.0019.080219T1800Z-080219T2300Z/ CONECUH-BUTLER-CRENSHAW-ESCAMBIA-COVINGTON- 515 AM CST TUE FEB 19 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 WILL FALL INTO THE 20 TO 25 PERCENT RANGE THIS AFTERNOON AS HIGH PRESSURE MOVES OVER THE AREA. AS SURFACE HIGH PRESSURE MOVES EAST OF THE AREA TONIGHT INTO WEDNESDAY...SOUTHERLY FLOW WILL RETURN...BEGINNING OVER THE COASTAL AREAS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. THE LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ FLZ001>006-008-192000- /O.EXT.KMOB.FW.W.0019.080219T1600Z-080219T2300Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- COASTAL WALTON- 515 AM CST TUE FEB 19 2008 ...RED FLAG WARNING NOW IN EFFECT FROM 10 AM THIS MORNING TO 5 PM CST THIS AFTERNOON... THE RED FLAG WARNING IS NOW IN EFFECT FROM 10 AM THIS MORNING TO 5 PM CST THIS AFTERNOON. AFTERNOON RELATIVE HUMIDITY VALUES WILL FALL TO AROUND 25 PERCENT THIS AFTERNOON AS HIGH PRESSURE MOVES OVER THE AREA. AS SURFACE HIGH PRESSURE MOVES EAST OF THE AREA TONIGHT INTO WEDNESDAY...SOUTHERLY FLOW WILL RETURN...BEGINNING OVER THE COASTAL AREAS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. THE LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
000 WWUS84 KMOB 192017 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 217 PM CST TUE FEB 19 2008 ...A RED FLAG WARNING REMAINS IN EFFECT THROUGH 5 PM THIS AFTERNOON FOR THE WESTERN FLORIDA PANHANDLE AND SOUTH-CENTRAL ALABAMA DUE TO A LONG DURATION OF LOW RELATIVE HUMIDITY... .A DRIER AIRMASS WILL CONTINUE OVER THE AREA TODAY AS HIGH PRESSURE MOVES OVER THE AREA. THIS AIRMASS WILL SEE AFTERNOON RELATIVE HUMIDITY VALUES DROPPING INTO THE 20 TO 25 PERCENT RANGE. ALZ056>060-FLZ001>006-008-192300- /O.CON.KMOB.FW.W.0019.000000T0000Z-080219T2300Z/ CONECUH-BUTLER-CRENSHAW-ESCAMBIA-COVINGTON-INLAND ESCAMBIA- COASTAL ESCAMBIA-INLAND SANTA ROSA-COASTAL SANTA ROSA- INLAND OKALOOSA-COASTAL OKALOOSA-COASTAL WALTON- 217 PM CST TUE FEB 19 2008 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... AFTERNOON RELATIVE HUMIDITY VALUES WILL CONTINUE IN THE 20 TO 25 PERCENT RANGE THIS AFTERNOON AS HIGH PRESSURE MOVES OVER THE AREA. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. THE LOW RELATIVE HUMIDITY WILL CREATE RAPID FIRE GROWTH POTENTIAL. $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 6:24 PM CST | Severe Thunderstorm Warning | MOB | Okaloosa | 51 min |
| Feb 17, 6:03 PM CST | Special Marine Warning | MOB | 42 min | |
| Feb 17, 7:11 PM CST | Special Marine Warning | MOB | 64 min |
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.