Alert archive / Alabama / Red Flag Warnings in 2012

Red Flag Warning 7, NWS Mobile, AL

January 28, 201210 counties in Alabama

NWS Mobile, AL issued this red flag warning at Jan 28, 2012, 1:40 PM CST for 10 counties in Alabama. It took effect at Jan 29, 2012, 11:00 AM CST. It was in force for 7 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 28, 2012, 1:40 PM CST (19:40 UTC)
In effect from
Jan 29, 2012, 11:00 AM CST
Expired
Jan 29, 2012, 6:00 PM CST
In force
7 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 19:43 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, 7.7 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.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2012-01-28Temperature 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 2012-01-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 square meters per square second.1939587897Sfc1 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
1303 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
134 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.

438 
WWUS84 KMOB 281940
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
140 PM CST SAT JAN 28 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 5 PM CST SUNDAY FOR
SOUTH CENTRAL AND SOUTHWEST ALABAMA FOR A LONG DURATION OF RELATIVE 
HUMIDITY LESS THAN 25 PERCENT...

...FIRE WEATHER WATCH IN EFFECT MONDAY AFTERNOON FOR SOUTH CENTRAL 
AND SOUTHWEST ALABAMA FOR THE POTENTIAL OF A LONG DURATION OF RELATIVE
HUMIDITY LESS THAN 25 PERCENT...

.A REIFORCING COLD FRONT WILL MOVE ACROSS THE REGION THIS AFTERNOON.
MUCH DRIER AIR WILL OVERSPREAD THE REGION IN THE WAKE OF THE FRONTAL
PASSAGE. MINIMUM AFTERNOON RELATIVE HUMIDITY VALUES ON SUNDAY WILL
BE IN THE TEENS OVER MOST INLAND AREAS WITH LOWER TO MIDDLE 20S ALONG
THE IMMEDIATE COAST. THEREFORE...A RED FLAG WARNING HAS BEEN ISSUED
FOR SOUTH CENTRAL AND SOUTHWEST ALABAMA SUNDAY AFTERNOON. THE DRY
AIRMASS WILL BEGIN TO MODERATE ON MONDAY...BUT WILL REMAIN VERY DRY
ACROSS PORTIONS OF SOUTH CENTRAL ALABAMA...EAST OF INTERSTATE
65. THIS REQUIRES THE ISSUANCE OF A FIRE WEATHER WATCH FOR THOSE
AREAS MONDAY AFTERNOON.

ALZ057-058-060-291200-
/O.UPG.KMOB.FW.A.0004.120129T1800Z-120129T2300Z/
/O.NEW.KMOB.FW.W.0007.120129T1700Z-120129T2300Z/
/O.NEW.KMOB.FW.A.0005.120130T1800Z-120130T2300Z/
BUTLER-CRENSHAW-COVINGTON-
140 PM CST SAT JAN 28 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 5 PM CST SUNDAY FOR
PORTIONS OF SOUTH CENTRAL ALABAMA FOR A LONG DURATION OF RELATIVE 
HUMIDITY LESS THAN 25 PERCENT...

...FIRE WEATHER WATCH IN EFFECT MONDAY AFTERNOON FOR PORTIONS OF 
SOUTH CENTRAL ALABAMA FOR THE POTENTIAL OF 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 11 AM TO 5 PM CST SUNDAY. A
FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH
IS IN EFFECT MONDAY AFTERNOON.

* HUMIDITY...15 TO 20 PERCENT SUNDAY AND AROUND 20 PERCENT MONDAY. 

* 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.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED
FLAG WARNINGS.

&&

$$

ALZ051>056-059-061>064-291200-
/O.UPG.KMOB.FW.A.0004.120129T1800Z-120129T2300Z/
/O.NEW.KMOB.FW.W.0007.120129T1700Z-120129T2300Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-ESCAMBIA-
UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-LOWER BALDWIN-
140 PM CST SAT JAN 28 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 5 PM CST SUNDAY FOR
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 11 AM TO 5 PM CST SUNDAY. 

* HUMIDITY...15 TO 20 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.

&&

$$
2 follow-up statements
032 
WWUS84 KMOB 291313
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
713 AM CST SUN JAN 29 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 5 PM CST SUNDAY FOR
SOUTH CENTRAL AND SOUTHWEST ALABAMA FOR A LONG DURATION OF
RELATIVE HUMIDITY LESS THAN 25 PERCENT...

...FIRE WEATHER WATCH IN EFFECT MONDAY AFTERNOON FOR SOUTH
CENTRAL AND SOUTHWEST ALABAMA FOR THE POTENTIAL OF A LONG
DURATION OF RELATIVE HUMIDITY LESS THAN 25 PERCENT...

.A REIFORCING COLD FRONT WILL MOVE ACROSS THE REGION THIS
AFTERNOON. MUCH DRIER AIR WILL OVERSPREAD THE REGION IN THE WAKE
OF THE FRONTAL PASSAGE. MINIMUM AFTERNOON RELATIVE HUMIDITY
VALUES ON SUNDAY WILL BE IN THE TEENS OVER MOST INLAND AREAS WITH
LOWER TO MIDDLE 20S ALONG THE IMMEDIATE COAST. THEREFORE...A RED
FLAG WARNING HAS BEEN ISSUED FOR SOUTH CENTRAL AND SOUTHWEST
ALABAMA SUNDAY AFTERNOON. THE DRY AIRMASS WILL BEGIN TO MODERATE
ON MONDAY...BUT WILL REMAIN VERY DRY ACROSS PORTIONS OF SOUTH
CENTRAL ALABAMA...EAST OF INTERSTATE 65. THIS REQUIRES THE
ISSUANCE OF A FIRE WEATHER WATCH FOR THOSE AREAS MONDAY
AFTERNOON.

ALZ057-058-060-300515-
/O.CON.KMOB.FW.W.0007.120129T1700Z-120129T2300Z/
/O.CON.KMOB.FW.A.0005.120130T1800Z-120130T2300Z/
BUTLER-CRENSHAW-COVINGTON-
713 AM CST SUN JAN 29 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
5 PM CST THIS AFTERNOON FOR FOR SOUTH CENTRAL AND SOUTHWEST ALABAMA 
FOR A LONG DURATION OF RELATIVE HUMIDITY LESS THAN 25 PERCENT...

...FIRE WEATHER WATCH REMAINS IN EFFECT MONDAY AFTERNOON FOR PORTIONS 
OF SOUTH CENTRAL AND SOUTHWEST ALABAMA FOR THE POTENTIAL OF 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 11 AM TO 5 PM CST SUNDAY. A
FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH
IS IN EFFECT MONDAY AFTERNOON.

* HUMIDITY...15 TO 20 PERCENT SUNDAY AND AROUND 20 PERCENT 
  MONDAY. 

* 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.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

ALZ051-053>056-059-300515-
/O.EXA.KMOB.FW.A.0005.120130T1800Z-120130T2300Z/
/O.CON.KMOB.FW.W.0007.120129T1700Z-120129T2300Z/
CHOCTAW-CLARKE-WILCOX-MONROE-CONECUH-ESCAMBIA-
713 AM CST SUN JAN 29 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
5 PM CST THIS AFTERNOON FOR SOUTH CENTRAL AND SOUTHWEST ALABAMA FOR A LONG
DURATION OF RELATIVE HUMIDITY LESS THAN 25 PERCENT...

...FIRE WEATHER WATCH IS NOW IN EFFECT MONDAY AFTERNOON FOR PORTIONS
OF SOUTH CENTRAL AND SOUTHWEST ALABAMA FOR THE POTENTIAL OF A LONG
DURATION OF RELATIVE HUMIDITY LESS THAN 25 PERCENT...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT MONDAY AFTERNOON. 

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
FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH
IS IN EFFECT MONDAY AFTERNOON.

* HUMIDITY...15 TO 20 PERCENT SUNDAY AND AROUND 20 PERCENT 
  MONDAY. 

* 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.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

ALZ052-061>064-292300-
/O.CON.KMOB.FW.W.0007.120129T1700Z-120129T2300Z/
WASHINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-LOWER BALDWIN-
713 AM CST SUN JAN 29 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
5 PM CST THIS AFTERNOON FOR SOUTH CENTRAL AND SOUTHWEST ALABAMA FOR
A LONG DURATION OF RELATIVE HUMIDITY LESS THAN 25 PERCENT...

* HUMIDITY...15 TO 20 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.

&&

$$
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.

&&

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 28, 9:48 AM CSTSmall Craft AdvisoryMOB24 hr
Jan 28, 1:40 PM CSTFire Weather WatchMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 3 more25 hr

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.