Alert archive / Alabama / Red Flag Warnings in 2014
Red Flag Warning 13, NWS Mobile, AL
NWS Mobile, AL issued this red flag warning at Mar 21, 2014, 5:49 AM CDT for 9 counties in Alabama. It took effect at Mar 21, 2014, 12:00 PM CDT. 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
- Mar 21, 2014, 5:49 AM CDT (10:49 UTC)
- In effect from
- Mar 21, 2014, 12:00 PM CDT
- Expired
- Mar 21, 2014, 6:00 PM CDT
- 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, Wilcox County, AL
The radar
The Mobile radar (KMOB), 147 km from the middle of the area, began a volume at 10:53 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 00:00Z, 10.8 hours before the alert went out and 177 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
- 3087 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
777 WWUS84 KMOB 211049 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 549 AM CDT FRI MAR 21 2014 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CDT THIS EVENING FOR PORTIONS OF SOUTHWEST ALABAMA DUE TO LONG DURATION OF LOW RELATIVE HUMIDITY... .DRIER AIR IN THE MID LEVELS MIXING DOWN TO THE SURFACE IS ALLOWING RELATIVE HUMIDITY VALUES TO DROP BELOW CRITICAL VALUES. ALZ051-053>058-212300- /O.NEW.KMOB.FW.W.0013.140321T1700Z-140321T2300Z/ CHOCTAW-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- 549 AM CDT FRI MAR 21 2014 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CDT THIS EVENING FOR PORTIONS OF SOUTHWEST ALABAMA DUE TO LONG DURATION OF LOW RELATIVE HUMIDITY... * RELATIVE HUMIDITY: MINIMUM VALUES OF 19 TO 24 PERCENT FOR THIS AFTERNOON. * IMPACTS: ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$
1 follow-up statement
981 WWUS84 KMOB 211959 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 259 PM CDT FRI MAR 21 2014 ...RED FLAG WARNING IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR PORTIONS OF SOUTHWEST AND SOUTH CENTRAL ALABAMA DUE TO LONG DURATION OF LOW RELATIVE HUMIDITY... .DRIER AIR IN THE MID LEVELS MIXING DOWN TO THE SURFACE IS ALLOWING RELATIVE HUMIDITY VALUES TO DROP BELOW CRITICAL VALUES. ALZ059-060-212300- /O.EXA.KMOB.FW.W.0013.000000T0000Z-140321T2300Z/ ESCAMBIA-COVINGTON- 259 PM CDT FRI MAR 21 2014 ...RED FLAG WARNING IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR PORTIONS OF SOUTHWEST AND SOUTH CENTRAL ALABAMA DUE TO A LONG DURATION OF LOW RELATIVE HUMIDITY... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 6 PM CDT THIS EVENING. * RELATIVE HUMIDITY: MINIMUM VALUES OF 19 TO 22 PERCENT. * IMPACTS: ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...AND DRY FUELS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ ALZ051-053>058-212300- /O.CON.KMOB.FW.W.0013.000000T0000Z-140321T2300Z/ CHOCTAW-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- 259 PM CDT FRI MAR 21 2014 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR PORTIONS OF SOUTHWEST AND SOUTH CENTRAL ALABAMA DUE TO A LONG DURATION OF LOW RELATIVE HUMIDITY... * RELATIVE HUMIDITY: MINIMUM VALUES OF 19 TO 22 PERCENT. * IMPACTS: ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$
Nearby
Red Flag Warnings in Alabama, 2014Every red flag warning in 2014
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.