Alert archive / Alabama / Red Flag Warnings in 2011

Red Flag Warning 44, NWS Mobile, AL

October 1, 2011Butler County, Covington County, Crenshaw County, Alabama

NWS Mobile, AL issued this red flag warning at Oct 1, 2011, 5:36 AM CDT for Butler County, Covington County, Crenshaw County, Alabama. It took effect at Oct 1, 2011, 11:00 AM CDT. 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
Oct 1, 2011, 5:36 AM CDT (10:36 UTC)
In effect from
Oct 1, 2011, 11:00 AM CDT
Expired
Oct 1, 2011, 6:00 PM CDT
In force
7 hr
Issued by
NWS Mobile, AL

Counties Butler County, AL, Covington County, AL, Crenshaw County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 10.6 hours before the alert went out and 180 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 00:00Z on 2011-10-01Temperature 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 00:00Z on 2011-10-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 square meters per square second.193958Sfc1 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
2239 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
27 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.

610 
WWUS84 KMOB 011036
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
536 AM CDT SAT OCT 1 2011

...RED FLAG WARNING IS NOW IN EFFECT FROM 11 AM THIS MORNING TO 6 PM
CDT THIS EVENING FOR PARTS OF SOUTHWEST ALABAMA AND THE ENTIRE FAR
WESTERN FLORIDA PANHANDLE DUE TO 20 FOOT WIND ABOVE 10 MPH...LOW
AFTERNOON HUMIDITY BELOW 35 PERCENT AND DISPERSION 75 AND HIGHER. A
COLD FRONT HAS BROUGHT DRIER AND COOLER AIR ALONG WITH GUSTY NORTH
WINDS TO THE ENTIRE AREA. LOWEST HUMIDITY TODAY BETWEEN 25 AND 30
PERCENT ALONG WITH OCCASIONALLY GUSTY NORTH WINDS.

FLZ001>006-012300-
/O.UPG.KMOB.FW.A.0037.111001T1700Z-111001T2300Z/
/O.NEW.KMOB.FW.W.0044.111001T1600Z-111001T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
536 AM CDT SAT OCT 1 2011

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CDT
THIS EVENING FOR THE WESTERN FLORIDA PANHANDLE DUE TO LOW 
AFTERNOON HUMIDITY BELOW 35 PERCENT AND DISPERSIONS 75 AND HIGHER...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CDT
THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA...FIRE WEATHER ZONES 001...002...003...004... 005 AND
  006.

* WIND...NORTH 10 TO 15 MPH AND GUSTY

* HUMIDITY...25 TO 3O PERCENT

* DISPERSION...75 TO 85

* 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...WIND...HIGH DISPERSION...AND
DRY FUELS WILL RISK RAPID FIRE GROWTH.

&&

$$

ALZ057-058-060-012300-
/O.NEW.KMOB.FW.W.0044.111001T1600Z-111001T2300Z/
BUTLER-CRENSHAW-COVINGTON-
536 AM CDT SAT OCT 1 2011

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CDT
THIS EVENING FOR SOUTHWEST ALABAMA DUE TO 20 FOOT WIND ABOVE 10 MPH 
AND LOW AFTERNOON HUMIDITY BELOW 35 PERCENT...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CDT
THIS EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONES 057...058 AND 060. 

* WIND...NORTH 10 TO 15 MPH AND GUSTY

* HUMIDITY...25 TO 3O PERCENT

* KBDI...500 TO 560

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

* HIGHEST THREAT...IS LOCATED IN FAR EASTERN CRENSHAW COUNTY DUE TO 
  KBDI NEAR 560.

* 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...WIND...HIGH DISPERSION...AND
DRY FUELS WILL RISK RAPID FIRE GROWTH.

&&

$$
1 follow-up statement
089 
WWUS84 KMOB 011723
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
1223 PM CDT SAT OCT 1 2011

...RED FLAG WARNING FOR SOUTH CENTRAL ALABAMA HAS BEEN CANCELLED FOR THIS
AFTERNOON...

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR THE
NORTHWEST FLORIDA COUNTIES OF ESCAMBIA...SANTA ROSA AND OKALOOSA DUE TO
LONG DURATION OF RELATIVE HUMIDITY BELOW 35 PERCENT AND BREEZY NORTH
WINDS OCCASIONALLY ABOVE 15 MPH.

...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM CDT SUNDAY FOR THE
NORTHWEST FLORIDA COUNTIES OF ESCAMBIA...SANTA ROSA AND OKALOOSA DUE TO
LONG DURATION OF RELATIVE HUMIDITY BELOW 35 PERCENT...

...FIRE WEATHER WATCH IN EFFECT MONDAY AFTERNOON FOR THE NORTHWEST
FLORIDA COUNTIES OF ESCAMBIA...SANTA ROSA AND OKALOOSA DUE TO LONG
DURATION OF RELATIVE HUMIDITY BELOW 35 PERCENT...

.BREEZY NORTHERLY WINDS WILL CONTINUE TO USHER DRIER AND COOLER AIR
INTO THE REGION TODAY THEN THE NORTHERLY WINDS SUBSIDE ON SUNDAY BUT DRY
AIR REMAINS OVER THE REGION THROUGH MONDAY. AFTERNOON RELATIVE
HUMIDITIES WILL DROP BELOW CRITICAL LEVELS FOR A LONG DURATION OVER
THE NORTHWEST FLORIDA PANHANDLE THIS AFTERNOON...SUNDAY AFTERNOON AND
MONDAY AFTERNOON. THE RED FLAG WARNING FOR SOUTH CENTRAL ALABAMA HAS
BEEN CANCELLED FOR THIS AFTERNOON AS KBDI VALUES WILL REMAIN BELOW 500.

ALZ057-058-060-011830-
/O.CAN.KMOB.FW.W.0044.000000T0000Z-111001T2300Z/
BUTLER-CRENSHAW-COVINGTON-
1223 PM CDT SAT OCT 1 2011

...RED FLAG WARNING IS CANCELLED FOR THIS AFTERNOON FOR SOUTH CENTRAL
ALABAMA...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE RED FLAG
WARNING. 

THE RED FLAG WARNING FOR SOUTH CENTRAL ALABAMA HAS BEEN CANCELLED FOR
THIS AFTERNOON AS KBDI VALUES WILL REMAIN BELOW 500.

$$

FLZ001>006-020930-
/O.NEW.KMOB.FW.W.0045.111002T1700Z-111002T2300Z/
/O.NEW.KMOB.FW.A.0038.111003T1700Z-111003T2300Z/
/O.CON.KMOB.FW.W.0044.000000T0000Z-111001T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
1223 PM CDT SAT OCT 1 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING
FOR LONG DURATION OF RELATIVE HUMIDITIES BELOW 35 PERCENT AND BREEZY
NORTHERLY WINDS AROUND 15 MPH FOR THE NORTHWEST FLORIDA PANHANDLE...

...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM CDT SUNDAY FOR LONG
DURATION OF RELATIVE HUMIDITIES BELOW 35 PERCENT FOR THE NORTHWEST
FLORIDA PANHANDLE...

...FIRE WEATHER WATCH IN EFFECT MONDAY AFTERNOON FOR LONG DURATION
OF RELATIVE HUMIDITIES BELOW 35 PERCENT FOR THE NORTHWEST FLORIDA
PANHANDLE...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 6 PM CDT SUNDAY. A FIRE
WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN
EFFECT MONDAY AFTERNOON.

* AFFECTED AREA...FIRE WEATHER ZONES 001...002...003...004... 
  005 AND 006. 

* WIND...NORTH AROUND 15 MPH AND GUSTY THIS AFTERNOON...THEN NORTH
  AROUND 10 MPH SUNDAY AND MONDAY AFTERNOONS

* HUMIDITY...25 TO 30 PERCENT

* DISPERSION...75 TO 85

* 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 WILL CREATE 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 1, 12:23 PM CDTFire Weather WatchMOB18 hr
Oct 1, 12:23 PM CDTRed Flag WarningMOB18 hr

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.