Alert archive / Alabama / Red Flag Warnings in 2012
Red Flag Warning 3, NWS Birmingham, AL
NWS Birmingham, AL issued this red flag warning at Jan 4, 2012, 4:51 AM CST for 11 counties in Alabama. It took effect at Jan 4, 2012, 12:00 PM CST. It was in force for 5 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 4, 2012, 4:51 AM CST (10:51 UTC)
- In effect from
- Jan 4, 2012, 12:00 PM CST
- Expired
- Jan 4, 2012, 5:00 PM CST
- In force
- 5 hr
- Issued by
- NWS Birmingham, AL
Counties Barbour County, AL, Bullock County, AL, Chambers County, AL, Elmore County, AL, Lee County, AL, Macon County, AL, Montgomery County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Tallapoosa County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 10.9 hours before the alert went out and 132 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
- 2507 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
518 WWUS84 KBMX 041051 RFWBMX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 451 AM CST WED JAN 4 2012 ...VERY DRY CONDITIONS POSSIBLE ONCE AGAIN THIS AFTERNOON... .WITH TEMPERATURES WARMING THIS AFTERNOON DUE TO WESTERLY FLOW...RELATIVE HUMIDITY VALUES COULD DROP BELOW 25 PERCENT FOR AN EXTENDED PERIOD OF TIME THIS AFTERNOON ACROSS OUR FAR SOUTHEASTERN COUNTIES. THEREFORE...A RED FLAG WARNING HAS BEEN ISSUED ROUGHLY FOR AREAS ALONG AND SOUTHEAST OF A LINE FROM ROANOKE...TO ALEXANDER CITY...TO MONTGOMERY. ALZ017>021-026>028-036-042-041200- /O.CAN.KBMX.FW.A.0003.120104T1800Z-120104T2300Z/ BLOUNT-ETOWAH-CALHOUN-CHEROKEE-CLEBURNE-ST. CLAIR-TALLADEGA-CLAY- COOSA-LOWNDES- 451 AM CST WED JAN 4 2012 ...FIRE WEATHER WATCH IS CANCELLED FOR EASTERN AND NORTHEASTERN PORTIONS OF CENTRAL ALABAMA... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS CANCELLED THE FIRE WEATHER WATCH. RELATIVE HUMIDITY VALUES LOOK TO BE HIGH ENOUGH THIS AFTERNOON ACROSS MUCH OF THE AREA EXCEPT FOR AREAS ACROSS THE SOUTHEASTERN PORTION OF THE STATE. THEREFORE...THE FIRE WEATHER WATCH THAT WAS IN EFFECT FOR EASTERN AND NORTHEASTERN PORTIONS OF CENTRAL ALABAMA HAS BEEN CANCELLED. $$ ALZ029-037-038-043>050-042300- /O.UPG.KBMX.FW.A.0003.120104T1800Z-120104T2300Z/ /O.NEW.KBMX.FW.W.0003.120104T1800Z-120104T2300Z/ RANDOLPH-TALLAPOOSA-CHAMBERS-ELMORE-MONTGOMERY-MACON-BULLOCK-LEE- RUSSELL-PIKE-BARBOUR- 451 AM CST WED JAN 4 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 5 PM CST THIS AFTERNOON FOR SOUTHEASTERN PORTIONS OF CENTRAL ALABAMA... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 5 PM CST THIS AFTERNOON. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * WINDS...SOUTHWEST 5 TO 10 MPH. * RELATIVE HUMIDITY...AS LOW AS 21 PERCENT FOR UP TO 4 HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...AND WARMER TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. FOR ADDITIONAL INFORMATION ON THE FIRE CONDITIONS...PLEASE CONTACT THE ALABAMA FORESTRY COMMISSION AT WWW.FORESTRY.ALABAMA.GOV. && $$
Nearby
Red Flag Warnings in Alabama, 2012Every red flag warning in 2012
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.