Alert archive / Alabama / Red Flag Warnings in 2011
Red Flag Warning 3, NWS Birmingham, AL
NWS Birmingham, AL issued this red flag warning at Jan 21, 2011, 3:14 PM CST for 26 counties in Alabama. It took effect at Jan 22, 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, 3:14 PM CST (21:14 UTC)
- In effect from
- Jan 22, 2011, 12:00 PM CST
- Expired
- Jan 22, 2011, 6:00 PM CST
- In force
- 6 hr
- Issued by
- NWS Birmingham, AL
All 26 counties
Autauga County, AL, Barbour County, AL, Bibb County, AL, Bullock County, AL, Chambers County, AL, Chilton County, AL, Clay County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Montgomery County, AL, Perry County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 9.2 hours before the alert went out and 65 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.
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. && $$
2 follow-up statements
973 WWUS84 KBMX 220036 RFWBMX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 636 PM CST FRI JAN 21 2011 ...HIGH FIRE DANGER FOR SATURDAY AFTERNOON... ALZ023>025-027>029-031-221230- /O.EXA.KBMX.FW.W.0003.110122T1800Z-110123T0000Z/ TUSCALOOSA-JEFFERSON-SHELBY-TALLADEGA-CLAY-RANDOLPH-GREENE- 636 PM CST FRI JAN 21 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM CST SATURDAY... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 6 PM CST SATURDAY. DRY AIR WILL CONTINUE TO AFFECT THE AREA AS HIGH PRESSURE BUILDS IN ON SATURDAY. RELATIVE HUMIDITIES WILL FALL BELOW 25 PERCENT FOR A GOOD PORTION OF CENTRAL ALABAMA DURING THE AFTERNOON. OUTDOOR BURNING IS HIGHLY DISCOURAGED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY FOR SEVERAL HOURS WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. FOR ADDITIONAL INFORMATION ON THE FIRE CONDITIONS...PLEASE CONTACT THE ALABAMA FORESTRY COMMISSION AT WWW.FORESTRY.ALABAMA.GOV. && $$ ALZ032>050-221230- /O.CON.KBMX.FW.W.0003.110122T1800Z-110123T0000Z/ HALE-PERRY-BIBB-CHILTON-COOSA-TALLAPOOSA-CHAMBERS-MARENGO-DALLAS- AUTAUGA-LOWNDES-ELMORE-MONTGOMERY-MACON-BULLOCK-LEE-RUSSELL-PIKE- BARBOUR- 636 PM CST FRI JAN 21 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 6 PM CST SATURDAY... A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 6 PM CST SATURDAY. DRY AIR WILL CONTINUE TO AFFECT THE AREA AS HIGH PRESSURE BUILDS IN ON SATURDAY. RELATIVE HUMIDITIES WILL FALL BELOW 25 PERCENT FOR A GOOD PORTION OF CENTRAL ALABAMA DURING THE AFTERNOON. OUTDOOR BURNING IS HIGHLY DISCOURAGED. 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. && $$
813 WWUS84 KBMX 221136 RFWBMX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 536 AM CST SAT JAN 22 2011 ...HIGH FIRE DANGER THIS AFTERNOON... ALZ023-031-032-039-221245- /O.CAN.KBMX.FW.W.0003.110122T1800Z-110123T0000Z/ TUSCALOOSA-GREENE-HALE-MARENGO- 536 AM CST SAT JAN 22 2011 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS CANCELLED THE RED FLAG WARNING. WHILE RELATIVE HUMIDITIES ARE STILL EXPECTED TO FALL SIGNIFICANTLY DURING THE AFTERNOON FOR THESE COUNTIES...THE DURATION OF THESE LOW HUMIDITIES IS NO LONGER EXPECTED TO REACH WARNING CRITERIA. $$ ALZ024-025-027>029-033>038-040>050-230000- /O.CON.KBMX.FW.W.0003.110122T1800Z-110123T0000Z/ JEFFERSON-SHELBY-TALLADEGA-CLAY-RANDOLPH-PERRY-BIBB-CHILTON-COOSA- TALLAPOOSA-CHAMBERS-DALLAS-AUTAUGA-LOWNDES-ELMORE-MONTGOMERY- MACON-BULLOCK-LEE-RUSSELL-PIKE-BARBOUR- 536 AM CST SAT JAN 22 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING. DRY AIR WILL CONTINUE TO AFFECT THE AREA AS HIGH PRESSURE SETTLES IN TODAY. RELATIVE HUMIDITIES WILL FALL BELOW 25 PERCENT FOR MUCH OF CENTRAL ALABAMA DURING THE AFTERNOON. OUTDOOR BURNING IS HIGHLY DISCOURAGED. 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, 6:39 AM CST | Red Flag Warning | BMX | Autauga, Barbour, Blount, Bullock, Calhoun, Chambers and 19 more | 11 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.