Alert archive / Alabama / Red Flag Warnings in 2012

Red Flag Warning 8, NWS Mobile, AL

January 29, 20129 counties in Alabama

NWS Mobile, AL issued this red flag warning at Jan 29, 2012, 2:13 PM CST for 9 counties in Alabama. It took effect at Jan 30, 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 29, 2012, 2:13 PM CST (20:13 UTC)
In effect from
Jan 30, 2012, 12:00 PM CST
Expired
Jan 30, 2012, 5:00 PM CST
In force
5 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 20:14 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, 8.2 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.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2012-01-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2012-01-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -125 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2949 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
-125 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

154 
WWUS84 KMOB 292013
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
213 PM CST SUN JAN 29 2012

...RED FLAG WARNING NOW IN EFFECT UNTIL 6 PM CST SUNDAY FOR SOUTH
CENTRAL AND SOUTHWEST ALABAMA FOR A LONG DURATION OF RELATIVE
HUMIDITY LESS THAN 25 PERCENT...

...RED FLAG WARNING NOW IN EFFECT MONDAY AFTERNOON FOR PORTIONS OF 
SOUTH CENTRAL AND SOUTHWEST ALABAMA FOR A LONG DURATION OF RELATIVE
HUMIDITY LESS THAN 25 PERCENT...

.MINIMUM RELATIVE HUMIDITY LEVELS HAVE DROPPED TO AROUND 10 PERCENT
OVER SOUTH CENTRAL ALABAMA AND 10 TO 15 PERCENT ACROSS SOUTHWEST
ALABAMA THIS AFTERNOON. GIVEN THESE EXTREMELY LOW VALUES...THE RED
FLAG WARNING HAS BEEN EXTENDED UNTIL 6 PM THIS EVENING. THE DRY
AIRMASS WILL BEGIN TO MODERATE ON MONDAY...BUT WILL REMAIN VERY DRY
ACROSS PORTIONS OF SOUTH CENTRAL ALABAMA AND INTERIOR SOUTHWEST
ALABAMA WHILE TEMPERATURES CONTINUE TO WARM. THE FIRE WEATHER WATCH 
FOR THESE AREAS HAS BEEN UPGRADED TO A RED FLAG WARNING.

ALZ051-053>060-301200-
/O.UPG.KMOB.FW.A.0005.120130T1800Z-120130T2300Z/
/O.NEW.KMOB.FW.W.0008.120130T1800Z-120130T2300Z/
/O.EXT.KMOB.FW.W.0007.000000T0000Z-120130T0000Z/
CHOCTAW-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-ESCAMBIA-
COVINGTON-
213 PM CST SUN JAN 29 2012

...RED FLAG WARNING NOW IN EFFECT UNTIL 6 PM CST THIS EVENING FOR
SOUTH CENTRAL AND SOUTHWEST ALABAMA FOR A LONG DURATION OF RELATIVE
HUMIDITY LESS THAN 25 PERCENT...

...RED FLAG WARNING IN EFFECT FROM NOON TO 5 PM CST MONDAY FOR
PORTIONS OF SOUTH CENTRAL AND SOUTHWEST ALABAMA FOR A LONG DURATION
OF RELATIVE HUMIDITY LESS THAN 25 PERCENT...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 5 PM CST MONDAY. A RED
FLAG WARNING ALSO CONTINUES THROUGH 6 PM THIS AFTERNOON.

* HUMIDITY...8 TO 15 PERCENT THIS AFTERNOON AND 18-21 PERCENT MONDAY
  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 LONG DURATION OF
LOW RELATIVE HUMIDITY WILL ENHANCE THE RAPID FIRE GROWTH
POTENTIAL.

&&

$$

ALZ052-061>064-300000-
/O.EXT.KMOB.FW.W.0007.000000T0000Z-120130T0000Z/
WASHINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-LOWER BALDWIN-
213 PM CST SUN JAN 29 2012

...RED FLAG WARNING NOW IN EFFECT UNTIL 6 PM CST THIS EVENING FOR
SOUTHWEST ALABAMA FOR A LONG DURATION OF RELATIVE HUMIDITY LESS THAN
25 PERCENT...

* HUMIDITY...8 TO 15 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 LONG DURATION OF
LOW RELATIVE HUMIDITY WILL ENHANCE THE RAPID FIRE GROWTH
POTENTIAL.

&&

$$
1 follow-up statement
869 
WWUS84 KMOB 301207
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
607 AM CST MON JAN 30 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 5 PM CST THIS AFTERNOON
FOR PORTIONS OF SOUTH CENTRAL AND SOUTHWEST ALABAMA FOR A LONG DURATION
OF RELATIVE HUMIDITY LESS THAN 25 PERCENT...

.THE DRY AIRMASS OVER THE REGION WILL BEGIN TO MODERATE TODAY...ESPECIALLY
OVER THE WEST...BUT WILL REMAIN VERY DRY OVER EASTERN ZONES ACROSS PORTIONS
OF SOUTH CENTRAL ALABAMA AND INTERIOR SOUTHWEST ALABAMA. A RED FLAG WARNING
REMAINS IN EFFECT FOR PORTIONS OF SOUTHWEST AND SOUTH CENTRAL ALABAMA
TODAY AS AFTERNOON RELATIVE HUMIDITIES ARE EXPECTED TO BE BELOW 25 PERCENT
FOR FOUR OR MORE CONSECUTIVE HOURS WITH MINIMUM VALUES IN THE MID/UPPER
TEENS. THE CHANCES FOR OVERNIGHT FOG DEVELOPMENT ARE LOW THROUGH TUESDAY
MORNING.

ALZ051-053>060-302300-
/O.CON.KMOB.FW.W.0008.120130T1800Z-120130T2300Z/
CHOCTAW-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-ESCAMBIA-
COVINGTON-
607 AM CST MON JAN 30 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 5 PM CST
THIS AFTERNOON FOR A LONG DURATION OF RELATIVE HUMIDITY LESS THAN 
25 PERCENT...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 5 PM CST TODAY. 

* HUMIDITY...15-20 PERCENT 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 LONG DURATION OF
LOW RELATIVE HUMIDITY WILL ENHANCE THE RAPID FIRE GROWTH
POTENTIAL.

&&

$$

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; radar from the NEXRAD Level II archive.