Alert archive / Alabama / Red Flag Warnings in 2007
Red Flag Warning 2, NWS Birmingham, AL
NWS Birmingham, AL issued this red flag warning at Apr 6, 2007, 2:46 PM CDT for 39 counties in Alabama. It took effect at Apr 7, 2007, 11:00 AM CDT. 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
- Apr 6, 2007, 2:46 PM CDT (19:46 UTC)
- In effect from
- Apr 7, 2007, 11:00 AM CDT
- Expired
- Apr 7, 2007, 7:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Birmingham, AL
All 39 counties
Autauga County, AL, Barbour County, AL, Bibb County, AL, Blount County, AL, Bullock County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Etowah County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Marion County, AL, Montgomery County, AL, Perry County, AL, Pickens County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL
The radar
The Birmingham radar (KBMX), 22 km from the middle of the area, began a volume at 19:47 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, 7.8 hours before the alert went out and 23 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
- 1272 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -219 m²/s²
- 0-3 km storm-relative helicity
- -113 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 KBMX 061946 RFWBMX RED FLAG WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 246 PM CDT FRI APR 6 2007 ...DRY AND BREEZY CONDITIONS EXPECTED SATURDAY AFTERNOON... .A DEEP COLD AND DRY AIRMASS WILL COVER ALL OF CENTRAL ALABAMA SATURDAY AFTERNOON. BREEZY CONDITIONS ARE EXPECTED TO ACCOMPANY THESE DRY CONDITIONS. ALZ011>015-017>050-070400- /O.UPG.KBMX.FW.A.0001.070407T1600Z-070408T0000Z/ /O.NEW.KBMX.FW.W.0002.070407T1600Z-070408T0200Z/ MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CALHOUN- CHEROKEE-CLEBURNE-PICKENS-TUSCALOOSA-JEFFERSON-SHELBY-ST. CLAIR- TALLADEGA-CLAY-RANDOLPH-SUMTER-GREENE-HALE-PERRY-BIBB-CHILTON- COOSA-TALLAPOOSA-CHAMBERS-MARENGO-DALLAS-AUTAUGA-LOWNDES-ELMORE- MONTGOMERY-MACON-BULLOCK-LEE-RUSSELL-PIKE-BARBOUR- 246 PM CDT FRI APR 6 2007 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM CDT SATURDAY... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM TO 9 PM CDT SATURDAY. THE FIRE WEATHER WATCH HAS BEEN UPGRADED. MINIMUM AFTERNOON RELATIVE HUMIDITY VALUES ARE EXPECTED TO DROP BELOW 25 PERCENT AND PERSIST FOR MUCH OF THE AFTERNOON HOURS. IN ADDITION...BREEZY NORTHWEST WINDS WILL BE SUSTAINED BETWEEN 10 AND 15 MPH. 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. $$
3 follow-up statements
000 WWUS84 KBMX 071003 RFWBMX RED FLAG WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 503 AM CDT SAT APR 7 2007 ...DRY AND BREEZY CONDITIONS EXPECTED THIS AFTERNOON... .A DEEP COLD AND DRY AIRMASS WILL COVER ALL OF CENTRAL ALABAMA THIS AFTERNOON. BREEZY CONDITIONS ARE EXPECTED TO ACCOMPANY THESE DRY CONDITIONS. ALZ011>015-017>050-072100- /O.CON.KBMX.FW.W.0002.070407T1600Z-070408T0200Z/ MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CALHOUN- CHEROKEE-CLEBURNE-PICKENS-TUSCALOOSA-JEFFERSON-SHELBY-ST. CLAIR- TALLADEGA-CLAY-RANDOLPH-SUMTER-GREENE-HALE-PERRY-BIBB-CHILTON- COOSA-TALLAPOOSA-CHAMBERS-MARENGO-DALLAS-AUTAUGA-LOWNDES-ELMORE- MONTGOMERY-MACON-BULLOCK-LEE-RUSSELL-PIKE-BARBOUR- 503 AM CDT SAT APR 7 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM CDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM CDT THIS EVENING. AFTERNOON RELATIVE HUMIDITY VALUES ARE EXPECTED TO DROP BELOW 25 PERCENT AND PERSIST FOR MUCH OF THE AFTERNOON HOURS. IN ADDITION... BREEZY NORTHWEST WINDS WILL BE SUSTAINED BETWEEN 10 AND 15 MPH. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...AND LOW RELATIVE HUMIDITY...WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
000 WWUS84 KBMX 071855 RFWBMX RED FLAG WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 155 PM CDT SAT APR 7 2007 ...DRY AND BREEZY CONDITIONS EXPECTED THIS AFTERNOON... .A DEEP COLD AND DRY AIRMASS WILL COVER ALL OF CENTRAL ALABAMA THIS AFTERNOON. BREEZY CONDITIONS WILL PERSIST THROUGH THE AFTERNOON. ALZ011>015-017>050-080200- /O.CON.KBMX.FW.W.0002.000000T0000Z-070408T0200Z/ MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CALHOUN- CHEROKEE-CLEBURNE-PICKENS-TUSCALOOSA-JEFFERSON-SHELBY-ST. CLAIR- TALLADEGA-CLAY-RANDOLPH-SUMTER-GREENE-HALE-PERRY-BIBB-CHILTON- COOSA-TALLAPOOSA-CHAMBERS-MARENGO-DALLAS-AUTAUGA-LOWNDES-ELMORE- MONTGOMERY-MACON-BULLOCK-LEE-RUSSELL-PIKE-BARBOUR- 155 PM CDT SAT APR 7 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING. AFTERNOON RELATIVE HUMIDITY VALUES ARE EXPECTED TO DROP BELOW 25 PERCENT AND PERSIST FOR MUCH OF THE AFTERNOON HOURS. IN ADDITION... BREEZY NORTHWEST WINDS WILL BE SUSTAINED BETWEEN 10 AND 15 MPH...WITH OCCASIONAL GUST UP TO 20 MPH. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...AND LOW RELATIVE HUMIDITY...WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
000 WWUS84 KBMX 072042 RFWBMX RED FLAG WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 342 PM CDT SAT APR 7 2007 ...DRY AIR MASS WILL REMAIN OVER AREA THROUGH SUNDAY... .A DEEP COLD AND DRY AIRMASS WILL COVER ALL OF CENTRAL ALABAMA THROUGH SUNDAY. RELATIVE HUMIDITIES WILL BE LESS THAN 25 PERCENT THIS AFTERNOON AND AGAIN SUNDAY AFTERNOON. ALZ011>015-017>050-080445- /O.NEW.KBMX.FW.W.0003.070408T1600Z-070408T2300Z/ /O.EXT.KBMX.FW.W.0002.000000T0000Z-070408T0000Z/ MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CALHOUN- CHEROKEE-CLEBURNE-PICKENS-TUSCALOOSA-JEFFERSON-SHELBY-ST. CLAIR- TALLADEGA-CLAY-RANDOLPH-SUMTER-GREENE-HALE-PERRY-BIBB-CHILTON- COOSA-TALLAPOOSA-CHAMBERS-MARENGO-DALLAS-AUTAUGA-LOWNDES-ELMORE- MONTGOMERY-MACON-BULLOCK-LEE-RUSSELL-PIKE-BARBOUR- 342 PM CDT SAT APR 7 2007 ...RED FLAG WARNING NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 6 PM CDT SUNDAY... THE CURRENT RED FLAG WARNING IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A RED FLAG WARNING FOR SUNDAY...WHICH IS IN EFFECT FROM 11 AM TO 6 PM CDT SUNDAY. AFTERNOON RELATIVE HUMIDITY VALUES ARE EXPECTED TO DROP BELOW 25 PERCENT AND PERSIST FOR MUCH OF THE AFTERNOON HOURS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...AND LOW RELATIVE HUMIDITY...WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 6, 4:41 AM CDT | Freeze Watch | BMX | Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more | 24 hr |
| Apr 6, 4:41 AM CDT | Lake Wind Advisory | BMX | Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more | 15 hr |
| Apr 6, 4:49 AM CDT | Fire Weather Watch | BMX | Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more | 10 hr |
Nearby
Red Flag Warnings in Alabama, 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.