Alert archive / Alabama / Red Flag Warnings in 2015
Red Flag Warning 2, NWS Mobile, AL
NWS Mobile, AL issued this red flag warning at Feb 6, 2015, 4:34 AM CST for 8 counties in Alabama. It took effect at Feb 6, 2015, 12:00 PM CST. It was in force for 4 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 6, 2015, 4:34 AM CST (10:34 UTC)
- In effect from
- Feb 6, 2015, 12:00 PM CST
- Expired
- Feb 6, 2015, 4:00 PM CST
- In force
- 4 hr
- Issued by
- NWS Mobile, AL
Counties Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Crenshaw County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL
The radar
The Mobile radar (KMOB), 140 km from the middle of the area, began a volume at 10:37 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, 10.6 hours before the alert went out and 174 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
- 2107 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- -128 m²/s²
- 0-3 km storm-relative helicity
- -12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
834 WWUS84 KMOB 061034 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 434 AM CST FRI FEB 6 2015 ...A RED FLAG WARNING HAS BEEN ISSUED FOR PORTIONS OF SOUTH CENTRAL AND INLAND SOUTHWEST ALABAMA THIS AFTERNOON DUE TO A LONG DURATION OF CRITICALLY LOW HUMIDITY VALUES... .A VERY DRY AIRMASS WILL ACCOMPANY A HIGH PRESSURE SYSTEM BUILDING INTO THE REGION TODAY AND RESULT IN A CRITICALLY LONG DURATION OF HUMIDITY VALUES LESS THAN OR EQUAL TO 24 PERCENT ACROSS PORTIONS OF SOUTH CENTRAL AND INLAND SOUTHWEST ALABAMA. ALZ051>058-062200- /O.NEW.KMOB.FW.W.0002.150206T1800Z-150206T2200Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- 434 AM CST FRI FEB 6 2015 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 4 PM CST THIS AFTERNOON FOR PORTIONS OF SOUTH CENTRAL AND INLAND SOUTHWEST ALABAMA DUE TO A LONG DURATION OF CRITICALLY LOW HUMIDITY VALUES... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 4 PM CST THIS AFTERNOON. * AFFECTED AREA...FIRE WEATHER ZONES 051...052...053...054... 055...056...057 AND 058. * RELATIVE HUMIDITY: AT OR BELOW 24 PERCENT FOR FOUR HOURS THIS AFTERNOON. * IMPACTS: THE DRY AIRMASS WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS. 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. && $$
1 follow-up statement
238 WWUS84 KMOB 062028 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 228 PM CST FRI FEB 6 2015 ...A RED FLAG WARNING HAS BEEN ISSUED FOR PORTIONS OF SOUTH CENTRAL AND INLAND SOUTHWEST ALABAMA THIS AFTERNOON DUE TO A LONG DURATION OF CRITICALLY LOW HUMIDITY VALUES... .A VERY DRY AIRMASS WILL ACCOMPANY A HIGH PRESSURE SYSTEM BUILDING INTO THE REGION TODAY AND RESULT IN A CRITICALLY LONG DURATION OF HUMIDITY VALUES LESS THAN OR EQUAL TO 24 PERCENT ACROSS PORTIONS OF SOUTH CENTRAL AND INLAND SOUTHWEST ALABAMA. ALZ051>058-062200- /O.CON.KMOB.FW.W.0002.000000T0000Z-150206T2200Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- 228 PM CST FRI FEB 6 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON FOR PORTIONS OF SOUTH CENTRAL AND INLAND SOUTHWEST ALABAMA DUE TO A LONG DURATION OF CRITICALLY LOW HUMIDITY VALUES... * AFFECTED AREA...FIRE WEATHER ZONES 051...052...053...054... 055...056...057 AND 058. * RELATIVE HUMIDITY: AT OR BELOW 24 PERCENT FOR FOUR HOURS THIS AFTERNOON. * IMPACTS: THE DRY AIRMASS WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...AND DRY FUELS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$
Nearby
Red Flag Warnings in Alabama, 2015Every red flag warning in 2015
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.