Alert archive / Alabama / Red Flag Warnings in 2007
Red Flag Warning 34, NWS Mobile, AL
NWS Mobile, AL issued this red flag warning at Apr 4, 2007, 1:57 PM CDT for Walton County, Florida; 10 counties in Alabama. It took effect at Apr 4, 2007, 7:50 PM CDT. It was in force for 23 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 4, 2007, 1:57 PM CDT (18:57 UTC)
- In effect from
- Apr 4, 2007, 7:50 PM CDT
- Expired
- Apr 5, 2007, 7:00 PM CDT
- In force
- 23 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 18:59 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 7.0 hours before the alert went out and 280 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
- 169 J/kg
- Mixed-layer CIN
- -136 J/kg
- Mixed-layer LCL
- 1157 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 23 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 041857 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 157 PM CDT WED APR 4 2007 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM CDT THURSDAY FOR THE WESTERN FLORIDA PANHANDLE DUE TO EXPECTED LONG DURATIONS OF LOW RELATIVE HUMIDITY WELL BELOW 35 PERCENT AND NORTHERLY WINDS AROUND 15 MPH... ...FIRE WEATHER WATCH IN EFFECT FOR THE WESTERN FLORIDA PANHANDLE FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING DUE TO EXPECTED LONG DURATIONS OF LOW RELATIVE HUMIDITY BELOW 35 PERCENT... .DISCUSSION...IN THE WAKE OF A COLD FRONT...A COOLER AND MUCH DRIER AIRMASS SETTLES ACROSS THE SOUTHERN STATES THROUGH THE END OF THE WEEK. DAYTIME HUMIDITIES ARE FORECAST TO FALL TO WITHIN CRITICAL LEVELS FOR SEVERAL HOURS BOTH THURSDAY AND FRIDAY AFTERNOON. FLZ001>006-008-050300- /O.UPG.KMOB.FW.A.0026.070405T1600Z-070406T0000Z/ /O.NEW.KMOB.FW.W.0034.070405T1600Z-070406T0000Z/ /O.NEW.KMOB.FW.A.0027.070406T1700Z-070407T0000Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- COASTAL WALTON- 157 PM CDT WED APR 4 2007 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM CDT THURSDAY... ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING... THE NATIONAL WEATHER SERVICE IN MOBILE HAS UPGRADED THE FIRE WEATHER WATCH IN EFFECT FOR THURSDAY TO A RED FLAG WARNING. THE RED FLAG WARNING IS IN EFFECT FROM 11 AM TO 7 PM CDT. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED FOR FRIDAY. LOWEST DAYTIME RELATIVE HUMIDITIES ARE FORECAST TO DIP INTO THE 25 TO 30 PERCENT RANGE FOR SEVERAL HOURS OVER THE NEXT COUPLE AFTERNOONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST. A COMBINATION OF NORTHERLY WINDS AROUND 15 MPH AND LOW RELATIVE HUMIDITIES WILL CREATE AN INCREASED POTENTIAL FOR THE SPREAD OF FIRE ON THURSDAY OVER THE FLORIDA PANHANDLE. THE FIRE WEATHER WATCH ON FRIDAY MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS FRIDAY. $$
2 follow-up statements
000 WWUS84 KMOB 050050 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 750 PM CDT WED APR 4 2007 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM CDT THURSDAY FOR THE WESTERN FLORIDA PANHANDLE AND SOUTHWEST ALABAMA DUE TO EXPECTED LONG DURATIONS OF LOW RELATIVE HUMIDITY WELL BELOW 35 PERCENT AND NORTHERLY WINDS AROUND 15 MPH... ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR THE WESTERN FLORIDA PANHANDLE FOR A SUSTAINED PERIOD OF LOW RELATIVE HUMIDITY... .DISCUSSION...IN THE WAKE OF WEDNESDAYS COLD FRONT...A COOLER AND MUCH DRIER AIRMASS WILL SETTLE ACROSS THE SOUTHERN STATES THROUGH THE END OF THE WEEK. DAYTIME HUMIDITIES ARE FORECAST TO FALL BELOW CRITICAL LEVELS FOR SEVERAL HOURS THURSDAY ALONG WITH MODERATE NORTHERLY WINDS. THE WEEKEND LOOKS TO BE MOSTLY DRY AND COOL WITH A CONTINUED NORTHERLY WIND. ALZ051>064-051100- /O.EXA.KMOB.FW.W.0034.070405T1600Z-070406T0000Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE- LOWER BALDWIN- 750 PM CDT WED APR 4 2007 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM CDT THURSDAY... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM TO 7 PM CDT THURSDAY FOR ALL OF SOUTHWEST ALABAMA. LOWEST DAYTIME RELATIVE HUMIDITIES ARE FORECAST TO DROP BELOW 25 PERCENT FOR AT LEAST 4 HOURS ON THURSDAY AFTERNOON...ALONG WITH NORTHERLY WINDS AROUND 15 MPH. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST. A COMBINATION OF NORTHERLY WINDS AROUND 15 MPH AND LOW RELATIVE HUMIDITIES WILL CREATE AN INCREASED POTENTIAL FOR THE SPREAD OF FIRES ON THURSDAY OVER SOUTHWEST ALABAMA. $$ FLZ001>006-008-051100- /O.CON.KMOB.FW.W.0034.070405T1600Z-070406T0000Z/ /O.CON.KMOB.FW.A.0027.070406T1700Z-070407T0000Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- COASTAL WALTON- 750 PM CDT WED APR 4 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 7 PM CDT THURSDAY... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING... A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 7 PM CDT THURSDAY. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED FOR FRIDAY. LOWEST DAYTIME RELATIVE HUMIDITIES ARE FORECAST TO DIP INTO THE 25 TO 30 PERCENT RANGE FOR SEVERAL HOURS OVER THE NEXT COUPLE AFTERNOONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST. A COMBINATION OF NORTHERLY WINDS AROUND 15 MPH AND LOW RELATIVE HUMIDITIES WILL CREATE AN INCREASED POTENTIAL FOR THE SPREAD OF FIRES ON THURSDAY OVER THE FLORIDA PANHANDLE. THE FIRE WEATHER WATCH ON FRIDAY MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. $$
000 WWUS84 KMOB 051034 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 534 AM CDT THU APR 5 2007 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM CDT TODAY FOR THE WESTERN FLORIDA PANHANDLE AND SOUTHWEST ALABAMA DUE TO EXPECTED LONG DURATIONS OF LOW RELATIVE HUMIDITY BELOW 25 PERCENT AND NORTHERLY WINDS AT TIMES AROUND 15 MPH... ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR THE WESTERN FLORIDA PANHANDLE FOR A SUSTAINED PERIOD OF LOW RELATIVE HUMIDITY... .DISCUSSION...IN THE WAKE OF WEDNESDAYS COLD FRONT...A MUCH DRIER AIRMASS WILL SETTLE ACROSS THE SOUTHERN STATES THROUGH THE END OF THE WEEK. DAYTIME HUMIDITIES ARE FORECAST TO FALL BELOW CRITICAL LEVELS FOR SEVERAL HOURS TODAY ALONG WITH MODERATE NORTHERLY WINDS. THE WEEKEND LOOKS TO BE MOSTLY DRY AND COOL WITH A CONTINUED NORTHERLY WIND. FLZ001>006-008-052100- /O.CON.KMOB.FW.W.0034.070405T1600Z-070406T0000Z/ /O.CON.KMOB.FW.A.0027.070406T1700Z-070407T0000Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- COASTAL WALTON- 534 AM CDT THU APR 5 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING... A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED FOR FRIDAY. LOWEST DAYTIME RELATIVE HUMIDITIES ARE FORECAST TO DIP INTO THE 25 TO 30 PERCENT RANGE FOR SEVERAL HOURS OVER THE NEXT COUPLE AFTERNOONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST. A COMBINATION OF NORTHERLY WINDS AROUND 15 MPH AND LOW RELATIVE HUMIDITIES WILL CREATE AN INCREASED POTENTIAL FOR THE SPREAD OF FIRES ON THURSDAY OVER THE FLORIDA PANHANDLE. THE FIRE WEATHER WATCH ON FRIDAY MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. $$ ALZ051>064-052100- /O.CON.KMOB.FW.W.0034.070405T1600Z-070406T0000Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE- LOWER BALDWIN- 534 AM CDT THU APR 5 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING. LOWEST DAYTIME RELATIVE HUMIDITIES ARE FORECAST TO DROP BELOW 25 PERCENT FOR AT LEAST 4 HOURS DURING THE LATE MORNING AND AFTERNOON HOURS...ALONG WITH NORTHERLY WINDS AROUND 15 MPH. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST. A COMBINATION OF NORTHERLY WINDS AROUND 15 MPH AND LOW RELATIVE HUMIDITIES WILL CREATE AN INCREASED POTENTIAL FOR THE SPREAD OF FIRES OVER SOUTHWEST ALABAMA. $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 3:51 AM CDT | Special Marine Warning | MOB | 39 min | |
| Apr 4, 5:57 AM CDT | Special Marine Warning | MOB | 2 hr | |
| Apr 4, 7:15 AM CDT | Fire Weather Watch | MOB | Walton | 7 hr |
| Apr 4, 7:48 AM CDT | Special Marine Warning | MOB | 57 min | |
| Apr 4, 1:57 PM CDT | Fire Weather Watch | MOB | Walton | 40 hr |
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.