Alert archive / Alabama / Red Flag Warnings in 2011
Red Flag Warning 2, NWS Birmingham, AL
NWS Birmingham, AL issued this red flag warning at Jan 21, 2011, 6:39 AM CST for 25 counties in Alabama. It took effect at Jan 21, 2011, 12:00 PM CST. It was in force for 6 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
- Jan 21, 2011, 6:39 AM CST (12:39 UTC)
- In effect from
- Jan 21, 2011, 12:00 PM CST
- Expired
- Jan 21, 2011, 6:00 PM CST
- In force
- 6 hr
- Issued by
- NWS Birmingham, AL
All 25 counties
Autauga County, AL, Barbour 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, Elmore County, AL, Etowah County, AL, Jefferson County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Montgomery County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 0.7 hours before the alert went out and 76 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
- 1253 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- -263 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
202 WWUS84 KBMX 211240 RFWBMX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 639 AM CST FRI JAN 21 2011 ...HIGH FIRE DANGER POSSIBLE ALONG AND EAST OF INTERSTATE 65 THIS AFTERNOON AND ALONG AND SOUTH OF A DEMOPOLIS...TO MOUNDVILLE... STROUD LINE ON SATURDAY AFTERNOON... ALZ035>038-041>050-212200- /O.NEW.KBMX.FW.W.0002.110121T1800Z-110122T0000Z/ /O.NEW.KBMX.FW.A.0003.110122T1800Z-110123T0000Z/ CHILTON-COOSA-TALLAPOOSA-CHAMBERS-AUTAUGA-LOWNDES-ELMORE- MONTGOMERY-MACON-BULLOCK-LEE-RUSSELL-PIKE-BARBOUR- 639 AM CST FRI JAN 21 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING... ...FIRE WEATHER WATCH IN EFFECT SATURDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN EFFECT SATURDAY AFTERNOON FROM NOON TO 6 PM CST. DRY AIR BEHIND A RETREATING COLD FRONT WILL ALLOW RELATIVE HUMIDITIES TO DROP BELOW 25 PERCENT FOR SEVERAL HOURS THIS AFTERNOON AND AGAIN EVEN LOWER FOR SATURDAY AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY FOR SEVERAL HOURS 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. FOR ADDITIONAL INFORMATION ON THE FIRE CONDITIONS...PLEASE CONTACT THE ALABAMA FORESTRY COMMISSION AT WWW.FORESTRY.ALABAMA.GOV. && $$ ALZ017>021-024>029-212200- /O.NEW.KBMX.FW.W.0002.110121T1800Z-110122T0000Z/ BLOUNT-ETOWAH-CALHOUN-CHEROKEE-CLEBURNE-JEFFERSON-SHELBY- ST. CLAIR-TALLADEGA-CLAY-RANDOLPH- 639 AM CST FRI JAN 21 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING. DRY AIR BEHIND A RETREATING COLD FRONT WILL ALLOW RELATIVE HUMIDITIES TO DROP BELOW 25 PERCENT FOR SEVERAL HOURS THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. FOR ADDITIONAL INFORMATION ON THE FIRE CONDITIONS...PLEASE CONTACT THE ALABAMA FORESTRY COMMISSION AT WWW.FORESTRY.ALABAMA.GOV. && $$ ALZ032>034-039-040-212200- /O.NEW.KBMX.FW.A.0003.110122T1800Z-110123T0000Z/ HALE-PERRY-BIBB-MARENGO-DALLAS- 639 AM CST FRI JAN 21 2011 ...FIRE WEATHER WATCH IN EFFECT SATURDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT SATURDAY AFTERNOON. DRY AIR BEHIND A RETREATING COLD FRONT WILL ALLOW RELATIVE HUMIDITIES TO DROP BELOW 25 PERCENT FOR SEVERAL HOURS SATURDAY AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ 08/MNK
1 follow-up statement
469 WWUS84 KBMX 212114 RFWBMX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 314 PM CST FRI JAN 21 2011 ...HIGH FIRE DANGER ALONG AND EAST OF INTERSTATE 65 THIS AFTERNOON AND ALONG AND SOUTH OF A DEMOPOLIS...TO MOUNDVILLE... TO STROUD LINE ON SATURDAY AFTERNOON... ALZ035>038-041>050-220030- /O.UPG.KBMX.FW.A.0003.110122T1800Z-110123T0000Z/ /O.NEW.KBMX.FW.W.0003.110122T1800Z-110123T0000Z/ /O.CON.KBMX.FW.W.0002.000000T0000Z-110122T0000Z/ CHILTON-COOSA-TALLAPOOSA-CHAMBERS-AUTAUGA-LOWNDES-ELMORE- MONTGOMERY-MACON-BULLOCK-LEE-RUSSELL-PIKE-BARBOUR- 314 PM CST FRI JAN 21 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM CST SATURDAY... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 6 PM CST SATURDAY. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING. DRY AIR BEHIND A RETREATING COLD FRONT WILL KEEP RELATIVE HUMIDITIES BELOW 25 PERCENT THIS AFTERNOON AND WILL ALLOW THEM TO DROP BACK BELOW 25 PERCENT FOR SEVERAL HOURS SATURDAY AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY FOR SEVERAL HOURS WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. FOR ADDITIONAL INFORMATION ON THE FIRE CONDITIONS...PLEASE CONTACT THE ALABAMA FORESTRY COMMISSION AT WWW.FORESTRY.ALABAMA.GOV. && $$ ALZ032>034-039-040-220030- /O.UPG.KBMX.FW.A.0003.110122T1800Z-110123T0000Z/ /O.NEW.KBMX.FW.W.0003.110122T1800Z-110123T0000Z/ HALE-PERRY-BIBB-MARENGO-DALLAS- 314 PM CST FRI JAN 21 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM CST SATURDAY... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 6 PM CST SATURDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. DRY AIR BEHIND A RETREATING COLD FRONT WILL ALLOW RELATIVE HUMIDITIES TO DROP BELOW 25 PERCENT FOR SEVERAL HOURS SATURDAY AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY FOR SEVERAL HOURS WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. FOR ADDITIONAL INFORMATION ON THE FIRE CONDITIONS...PLEASE CONTACT THE ALABAMA FORESTRY COMMISSION AT WWW.FORESTRY.ALABAMA.GOV. && $$ ALZ017>021-024>029-220000- /O.CON.KBMX.FW.W.0002.000000T0000Z-110122T0000Z/ BLOUNT-ETOWAH-CALHOUN-CHEROKEE-CLEBURNE-JEFFERSON-SHELBY- ST. CLAIR-TALLADEGA-CLAY-RANDOLPH- 314 PM CST FRI JAN 21 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING. DRY AIR BEHIND A RETREATING COLD FRONT WILL KEEP RELATIVE HUMIDITIES BELOW 25 PERCENT THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY FOR SEVERAL HOURS WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. FOR ADDITIONAL INFORMATION ON THE FIRE CONDITIONS...PLEASE CONTACT THE ALABAMA FORESTRY COMMISSION AT WWW.FORESTRY.ALABAMA.GOV. && $$
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 21, 6:39 AM CST | Fire Weather Watch | BMX | Autauga, Barbour, Bibb, Bullock, Chambers, Chilton and 13 more | 9 hr |
| Jan 21, 3:14 PM CST | Red Flag Warning | BMX | Autauga, Barbour, Bibb, Bullock, Chambers, Chilton and 20 more | 27 hr |
Nearby
Red Flag Warnings in Alabama, 2011Every red flag warning in 2011
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.