Alert archive / Alabama / Red Flag Warnings in 2007
Red Flag Warning 38, NWS Mobile, AL
NWS Mobile, AL issued this red flag warning at Apr 11, 2007, 1:51 PM CDT for Walton County, Florida; 10 counties in Alabama. It took effect at Apr 12, 2007, 5:10 AM CDT. It was in force for 14 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 11, 2007, 1:51 PM CDT (18:51 UTC)
- In effect from
- Apr 12, 2007, 5:10 AM CDT
- Expired
- Apr 12, 2007, 7:00 PM CDT
- In force
- 14 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, Walton County, FL
The radar
The Mobile radar (KMOB), 138 km from the middle of the area, began a volume at 18:51 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, 6.9 hours before the alert went out and 189 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 501 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 342 m²/s²
- 0-3 km storm-relative helicity
- 389 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 111851 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 151 PM CDT WED APR 11 2007 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM CDT THURSDAY FOR A SUSTAINED PERIOD OF LOW HUMIDITY ACROSS THE WEST FLORIDA PANHANDLE... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING FOR SOUTHWEST AND SOUTH CENTRAL ALABAMA DUE TO LOW RELATIVE HUMIDITY... .DISCUSSION...A COLD FRONT WILL MOVE THROUGH THE REGION THIS EVENING ACCOMPANIED BY SCATTERED SHOWERS AND THUNDERSTORMS. DRIER AIR WILL FLOW INTO THE REGION IN THE WAKE OF THE FRONT...RESULTING IN LOW RELATIVE HUMIDITY ON THURSDAY. MOISTURE LEVELS RECOVER AS ANOTHER COLD FRONT APPROACHES THE. THIS NEXT FRONT WILL MOVE THROUGH DURING THE DAY SATURDAY AND USHER ANOTHER ROUND OF DRY AIR INTO THE REGION FOR SUNDAY AND MONDAY. FLZ001>006-008-121100- /O.UPG.KMOB.FW.A.0030.070412T1600Z-070413T0000Z/ /O.NEW.KMOB.FW.W.0038.070412T1600Z-070413T0000Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- COASTAL WALTON- 151 PM CDT WED APR 11 2007 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM CDT THURSDAY... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM TO 7 PM CDT THURSDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. THURSDAY AFTERNOON RELATIVE HUMIDITIES WILL DROP INTO THE UPPER TEENS AND LOWER TWENTIES ACROSS THE NORTHWEST FLORIDA PANHANDLE. 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. $$ ALZ051>064-121100- /O.CON.KMOB.FW.A.0030.070412T1600Z-070413T0000Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE- LOWER BALDWIN- 151 PM CDT WED APR 11 2007 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING. AFTERNOON RELATIVE HUMIDITIES WILL DROP INTO THE MID TWENTIES ACROSS SOUTHWEST AND SOUTH CENTRAL ALABAMA ON THURSDAY. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$
1 follow-up statement
000 WWUS84 KMOB 121010 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 510 AM CDT THU APR 12 2007 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING FOR SOUTHWEST ALABAMA AND THE NORTHWEST FLORIDA PANHANDLE DUE TO LOW RELATIVE HUMIDITY... ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON FOR THE NORTHWEST FLORIDA PANHANDLE DUE TO MODERATE WINDS AND LOW RELATIVE HUMIDITY... .DISCUSSION...DRY HIGH PRESSURE WILL MOVE ACROSS THE REGION THROUGH TONIGHT RESULTING IN LOW RELATIVE HUMIDITIES. A LOW PRESSURE SYSTEM ADVANCES ACROSS THE SOUTHERN PLAINS ON FRIDAY AND WILL MOVE ACROSS THE REGION ON SATURDAY ACCOMPANIED BY NUMEROUS SHOWERS AND THUNDERSTORMS. DRY HIGH PRESSURE WILL BUILD INTO THE REGION IN THE WAKE OF THIS SYSTEM. ALZ051>064-121815- /O.UPG.KMOB.FW.A.0030.070412T1600Z-070413T0000Z/ /O.EXA.KMOB.FW.W.0038.070412T1600Z-070413T0000Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE- LOWER BALDWIN- 510 AM CDT THU APR 12 2007 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING. AFTERNOON RELATIVE HUMIDITIES WILL DROP INTO THE LOWER TWENTIES ACROSS SOUTHWEST ALABAMA. 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. $$ FLZ001>006-008-121815- /O.NEW.KMOB.FW.A.0031.070413T1600Z-070413T2300Z/ /O.CON.KMOB.FW.W.0038.070412T1600Z-070413T0000Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- COASTAL WALTON- 510 AM CDT THU APR 12 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING... ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON. A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING. AFTERNOON RELATIVE HUMIDITIES WILL DROP TO THE LOWER TWENTIES ACROSS THE NORTHWEST FLORIDA PANHANDLE TODAY...WITH RELATIVE HUMIDITIES IN THE TWENTIES ON FRIDAY. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 7:57 PM CDT | Special Marine Warning | MOB | 63 min | |
| Apr 10, 10:16 PM CDT | Special Marine Warning | MOB | 78 min | |
| Apr 11, 6:12 AM CDT | Fire Weather Watch | MOB | Walton | 23 hr |
| Apr 10, 7:56 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 34 min |
| Apr 11, 2:58 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 37 min |
| Apr 11, 3:23 PM CDT | Severe Thunderstorm Warning | MOB | Clarke | 52 min |
| Apr 11, 3:58 PM CDT | Severe Thunderstorm Warning | MOB | Wilcox | 62 min |
| Apr 11, 4:53 PM CDT | Severe Thunderstorm Warning | MOB | Wilcox | 24 min |
| Apr 11, 5:05 PM CDT | Severe Thunderstorm Warning | MOB | Butler | 20 min |
Nearby
Red Flag Warnings in Alabama, 2007Red 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.