Alert archive / Alabama / Red Flag Warnings in 2011
Red Flag Warning 14, NWS Mobile, AL
NWS Mobile, AL issued this red flag warning at Feb 12, 2011, 1:37 PM CST for 10 counties in Alabama. It took effect at Feb 13, 2011, 11:00 AM 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
- Feb 12, 2011, 1:37 PM CST (19:37 UTC)
- In effect from
- Feb 13, 2011, 11:00 AM CST
- Expired
- Feb 13, 2011, 5:00 PM CST
- In force
- 6 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
The radar
The Mobile radar (KMOB), 138 km from the middle of the area, began a volume at 19:35 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, 7.6 hours before the alert went out and 182 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
- 2206 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
498 WWUS84 KMOB 121937 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 137 PM CST SAT FEB 12 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM TODAY FOR SOUTHWEST AND SOUTH CENTRAL ALABAMA FOR A MARGINALLY LONG DURATION OF LOW RELATIVE HUMIDITY... ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM TODAY FOR THE NORTHWEST FLORIDA PANHANDLE FOR A LONG DURATION OF LOW RELATIVE HUMIDITY... ...RED FLAG WARNING HAS BEEN ISSUED FROM 11 AM TO 5 PM SUNDAY FOR THE NORTHWEST FLORIDA PANHANDLE FOR A LONG DURATION OF LOW RELATIVE HUMIDITY... .THE RELATIVE HUMIDITY WILL DROP BELOW CRITICAL LEVELS FOR A LONG DURATION OVER THE NORTHWEST FLORIDA PANHANDLE TODAY...AND FOR A MARGINALLY LONG DURATION OVER SOUTHWEST AND SOUTH CENTRAL ALABAMA. RELATIVE HUMIDITY WILL DROP BELOW CRITICAL LEVELS FOR A LONG DURATION AGAIN ON SUNDAY AFTERNOON OVER THE NORTHWEST FLORIDA PANHANDLE. FLZ001>006-131200- /O.UPG.KMOB.FW.A.0013.110213T1700Z-110213T2300Z/ /O.NEW.KMOB.FW.W.0014.110213T1700Z-110213T2300Z/ /O.CON.KMOB.FW.W.0013.000000T0000Z-110213T0000Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- 137 PM CST SAT FEB 12 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 5 PM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM TO 5 PM CST SUNDAY. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING. RELATIVE HUMIDITY ARE EXPECTED TO DROP BELOW 35 PERCENT FOR A LONG DURATION THIS AFTERNOON AND AGAIN ON SUNDAY AFTERNOON. 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 DRY FUELS WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$ ALZ051>064-122300- /O.CON.KMOB.FW.W.0013.000000T0000Z-110212T2300Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE- LOWER BALDWIN- 137 PM CST SAT FEB 12 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON. RELATIVE HUMIDITY ARE EXPECTED TO DROP BELOW 25 PERCENT FOR A MARGINALLY LONG DURATION THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...AND DRY FUELS WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$
2 follow-up statements
565 WWUS84 KMOB 130920 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 320 AM CST SUN FEB 13 2011 ...A RED FLAG WARNING IS NOW IN EFFECT FROM 11 AM TO 5 PM TODAY FOR SOUTHWEST AND SOUTH CENTRAL ALABAMA FOR A LONG DURATION OF LOW RELATIVE HUMIDITY... ...A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 5 PM TODAY FOR THE NORTHWEST FLORIDA PANHANDLE FOR A LONG DURATION OF LOW RELATIVE HUMIDITY... .THE RELATIVE HUMIDITY WILL DROP BELOW CRITICAL LEVELS FOR A LONG DURATION OVER THE NORTHWEST FLORIDA PANHANDLE ALONG WITH SOUTHWEST AND SOUTH CENTRAL ALABAMA. ALZ051>062-132300- /O.EXA.KMOB.FW.W.0014.110213T1700Z-110213T2300Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN- 320 AM CST SUN FEB 13 2011 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 5 PM CST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 5 PM CST THIS AFTERNOON. RELATIVE HUMIDITY ARE EXPECTED TO DROP BELOW 25 PERCENT FOR A LONG DURATION 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 LOW RELATIVE HUMIDITY...AND DRY FUELS WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$ FLZ001>006-132300- /O.CON.KMOB.FW.W.0014.110213T1700Z-110213T2300Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- 320 AM CST SUN FEB 13 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 PM CST THIS AFTERNOON... A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 PM CST THIS AFTERNOON. RELATIVE HUMIDITY ARE EXPECTED TO DROP BELOW 35 PERCENT FOR A LONG DURATION THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...AND DRY FUELS WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$
511 WWUS84 KMOB 131956 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 156 PM CST SUN FEB 13 2011 ...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM TODAY FOR THE NORTHWEST FLORIDA PANHANDLE...SOUTH CENTRAL ALABAMA...AND INLAND SOUTHWEST ALABAMA FOR A LONG DURATION OF LOW RELATIVE HUMIDITY... .RELATIVE HUMIDITIES ARE CURRENTLY RUNNING IN THE 20 TO 30 PERCENT RANGE ACROSS THE REGION AND WILL REMAIN CRITICALLY LOW THROUGH THE REST OF THE AFTERNOON OVER THE NORTHWEST FLORIDA PANHANDLE ALONG WITH INLAND SOUTHWEST AND SOUTH CENTRAL ALABAMA. ALZ051>062-FLZ001>006-132300- /O.CON.KMOB.FW.W.0014.000000T0000Z-110213T2300Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-INLAND ESCAMBIA- COASTAL ESCAMBIA-INLAND SANTA ROSA-COASTAL SANTA ROSA- INLAND OKALOOSA-COASTAL OKALOOSA- 156 PM CST SUN FEB 13 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON. RELATIVE HUMIDITIES ARE CURRENTLY RUNNING IN THE 20 TO 30 PERCENT RANGE ACROSS THE REGION AND WILL REMAIN CRITICALLY LOW THROUGH THE REST OF THE AFTERNOON OVER THE NORTHWEST FLORIDA PANHANDLE ALONG WITH INLAND SOUTHWEST AND SOUTH CENTRAL ALABAMA. 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 DRY FUELS WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$
Nearby
Red Flag Warnings in Alabama, 2011Red Flag Warnings in Florida, 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; radar from the NEXRAD Level II archive.