Alert archive / Alabama / Red Flag Warnings in 2012
Red Flag Warning 12, NWS Mobile, AL
NWS Mobile, AL issued this red flag warning at Feb 24, 2012, 2:08 PM CST for 10 counties in Alabama. It took effect at Feb 25, 2012, 12:00 PM CST. It was in force for 4 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 24, 2012, 2:08 PM CST (20:08 UTC)
- In effect from
- Feb 25, 2012, 12:00 PM CST
- Expired
- Feb 25, 2012, 4:00 PM CST
- In force
- 4 hr
- Issued by
- NWS Mobile, AL
Counties Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL
The radar
The Mobile radar (KMOB), 138 km from the middle of the area, began a volume at 20:11 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, 8.1 hours before the alert went out and 182 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
- 1167 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 575 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
580 WWUS84 KMOB 242008 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 208 PM CST FRI FEB 24 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TO 4 PM CST SATURDAY FOR ALL OF SOUTWEST ALABAMA FOR A LONG DURATION OF CRITICALLY LOW HUMIDITY LESS THAN 25 PERCENT... .HIGH PRESSURE BUILDING EAST OVER THE SOUTHERN STATES ON SATURDAY BRINGS A MUCH DRIER AIRMASS INTO THE AREA. ALZ051>064-250400- /O.NEW.KMOB.FW.W.0012.120225T1800Z-120225T2200Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE- LOWER BALDWIN- 208 PM CST FRI FEB 24 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TO 4 PM CST SATURDAY FOR ALL OF SOUTWEST ALABAMA FOR A LONG DURATION OF CRITICALLY LOW HUMIDITY LESS THAN 25 PERCENT... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 4 PM CST SATURDAY. * AFFECTED AREA...FIRE WEATHER ZONES 051...052...053...054... 055...056...057...058...059...060...061...062...063 AND 064. * WIND...NORTH TO NORTHEAST AT 10 TO 15 MPH. * HUMIDITY...AROUND 20 PERCENT. * THUNDERSTORMS...NONE. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...AND DRY FUELS WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$
2 follow-up statements
777 WWUS84 KMOB 250446 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 1046 PM CST FRI FEB 24 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 4 PM CST SATURDAY FOR ALL OF SOUTHWEST ALABAMA FOR A LONG DURATION OF CRITICALLY LOW HUMIDITY LESS THAN 25 PERCENT... .HIGH PRESSURE BUILDING EAST OVER THE SOUTHERN STATES ON SATURDAY BRINGS A MUCH DRIER AIRMASS INTO THE AREA. ALZ051>064-251315- /O.CON.KMOB.FW.W.0012.120225T1800Z-120225T2200Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE- LOWER BALDWIN- 1046 PM CST FRI FEB 24 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 4 PM CST SATURDAY FOR ALL OF SOUTHWEST ALABAMA FOR A LONG DURATION OF CRITICALLY LOW HUMIDITY LESS THAN 25 PERCENT... * AFFECTED AREA...FIRE WEATHER ZONES 051...052...053...054... 055...056...057...058...059...060...061...062...063 AND 064. * WIND...NORTH TO NORTHEAST AT 10 TO 15 MPH. * HUMIDITY...AROUND 20 PERCENT. * THUNDERSTORMS...NONE. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...AND DRY FUELS WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$
293 WWUS84 KMOB 251146 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 546 AM CST SAT FEB 25 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 4 PM TODAY FOR ALL OF SOUTHWEST ALABAMA FOR A LONG DURATION OF CRITICALLY LOW HUMIDITY LESS THAN 25 PERCENT... .HIGH PRESSURE BUILDING EAST OVER THE SOUTHERN STATES ON SATURDAY BRINGS A MUCH DRIER AIRMASS INTO THE AREA. ALZ051>064-252200- /O.CON.KMOB.FW.W.0012.120225T1800Z-120225T2200Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE- LOWER BALDWIN- 546 AM CST SAT FEB 25 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 4 PM CST THIS AFTERNOON FOR ALL OF SOUTHWEST ALABAMA FOR A LONG DURATION OF CRITICALLY LOW HUMIDITY LESS THAN 25 PERCENT... * AFFECTED AREA...FIRE WEATHER ZONES 051...052...053...054... 055...056...057...058...059...060...061...062...063 AND 064. * WIND...NORTH TO NORTHEAST AT 10 TO 15 MPH. * HUMIDITY...20 TO 24 PERCENT. * THUNDERSTORMS...NONE. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...AND DRY FUELS 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 24, 8:06 AM CST | Severe Thunderstorm Warning | MOB | Washington | 39 min |
| Feb 24, 8:51 AM CST | Severe Thunderstorm Warning | MOB | Clarke, Monroe, Washington | 39 min |
| Feb 24, 9:20 AM CST | Tornado Warning | MOB | Clarke, Conecuh, Monroe | 40 min |
| Feb 24, 9:30 AM CST | Severe Thunderstorm Warning | MOB | Clarke, Wilcox | 30 min |
| Feb 24, 9:35 AM CST | Tornado Warning | MOB | Wilcox | 25 min |
| Feb 24, 9:52 AM CST | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Crenshaw, Monroe, Wilcox | 38 min |
| Feb 24, 10:13 AM CST | Tornado Warning | MOB | Butler, Crenshaw | 32 min |
| Feb 24, 10:35 AM CST | Special Marine Warning | MOB | 40 min | |
| Feb 24, 11:15 AM CST | Special Marine Warning | MOB | 60 min | |
| Feb 24, 11:26 AM CST | Special Marine Warning | MOB | 19 min | |
| Feb 24, 12:17 PM CST | Special Marine Warning | MOB | 58 min |
Nearby
Red Flag Warnings in Alabama, 2012Every red flag warning in 2012
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.