Alert archive / Florida / Red Flag Warnings in 2011

Red Flag Warning 24, NWS Mobile, AL

April 29, 2011

NWS Mobile, AL issued this red flag warning at Apr 29, 2011, 6:52 AM EDT. It took effect at Apr 29, 2011, 12:00 PM EDT. It was in force for 8 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
Apr 29, 2011, 6:52 AM EDT (10:52 UTC)
In effect from
Apr 29, 2011, 12:00 PM EDT
Expired
Apr 29, 2011, 8:00 PM EDT
In force
8 hr
Issued by
NWS Mobile, AL

The text

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

648 
WWUS84 KMOB 291052
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
552 AM CDT FRI APR 29 2011

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT
THIS EVENING FOR THE NORTHWEST FLORIDA PANHANDLE DUE TO LONG DURATION
OF LOW RELATIVE HUMIDITY AND MARGINAL ENERGY RELEASE COMPONENT VALUES...

...FIRE WEATHER WATCH IN EFFECT SATURDAY AFTERNOON FOR THE NORTHWEST
FLORIDA PANHANDLE DUE TO A MARGINALLY LONG DURATION OF LOW RELATIVE
HUMIDITY AND MARGINAL ENERGY RELEASE COMPONENT VALUES...

.DISCUSSION...DRY HIGH PRESSURE OVER THE REGION SHIFTS EASTWARD THROUGH
SUNDAY ALLOWING FOR A LIGHT SOUTHERLY FLOW TO DEVELOP AND RETURN
MOISTURE TO THE REGION.  AFTERNOON RELATIVE HUMIDITIES WILL DROP
BELOW CRITICAL LEVELS FOR A LONG DURATION OVER THE NORTHWEST FLORIDA
PANHANDLE BOTH TODAY AND A MARGINALLY LONG DURATION ON SATURDAY THEN
WILL REMAIN ABOVE CRITICAL LEVELS ON SUNDAY.  AFTERNOON RELATIVE
HUMIDITIES DROP TO NEAR CRITICAL LEVELS OVER SOUTHWEST AND SOUTH
CENTRAL ALABAMA BOTH TODAY AND SATURDAY BUT SHOULD NOT SATISFY
DURATION REQUIREMENTS.

FLZ001>006-300300-
/O.NEW.KMOB.FW.W.0024.110429T1600Z-110430T0000Z/
/O.NEW.KMOB.FW.A.0022.110430T1700Z-110430T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
552 AM CDT FRI APR 29 2011

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT
THIS EVENING FOR LONG DURATION OF LOW RELATIVE HUMIDITY AND MARGINAL
ENERGY RELEASE COMPONENT VALUES...

...FIRE WEATHER WATCH IN EFFECT SATURDAY AFTERNOON FOR MARGINALLY
LONG DURATION OF LOW RELATIVE HUMIDITY AND MARGINAL ENERGY RELEASE
COMPONENT VALUES...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT
THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS
FIRE WEATHER WATCH IS IN EFFECT SATURDAY AFTERNOON. 

AFTERNOON RELATIVE HUMIDITIES VALUES WILL DROP TO AROUND 25 PERCENT
THIS AFTERNOON. AFTERNOON RELATIVE HUMIDITIES WILL DROP TO AROUND 25
PERCENT OVER THE INLAND PORTION OF THE NORTHWEST FLORIDA PANHANDLE AND
AROUND 30 PERCENT OVER THE COASTAL PORTION ON SATURDAY.

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.

&&

$$
1 follow-up statement
273 
WWUS84 KMOB 292016
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
316 PM CDT FRI APR 29 2011

...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR THE
NORTHWEST FLORIDA PANHANDLE DUE TO LONG DURATION OF LOW RELATIVE
HUMIDITY AND MARGINAL ENERGY RELEASE COMPONENT VALUES...

...RED FLAG WARNING IN EFFECT SATURDAY FOR PORTIONS OF THE NORTHWEST
FLORIDA PANHANDLE DUE TO A MARGINALLY LONG DURATION OF LOW RELATIVE
HUMIDITY AND MARGINAL ENERGY RELEASE COMPONENT VALUES...

.DRY HIGH PRESSURE OVER THE REGION SHIFTS EASTWARD THROUGH SUNDAY
ALLOWING FOR A LIGHT SOUTHERLY FLOW TO DEVELOP AND RETURN MOISTURE TO
THE REGION. AFTERNOON RELATIVE HUMIDITIES WILL DROP BELOW CRITICAL
LEVELS FOR A MARGINALLY LONG DURATION ACROSS THE NORTHWEST FLORIDA
PANHANDLE ON SATURDAY THEN WILL REMAIN ABOVE CRITICAL LEVELS ON
SUNDAY. AFTERNOON RELATIVE HUMIDITIES DROP TO NEAR CRITICAL LEVELS
OVER SOUTHWEST AND SOUTH CENTRAL ALABAMA BOTH TODAY AND SATURDAY BUT
SHOULD NOT SATISFY DURATION REQUIREMENTS.

FLZ002-004-300000-
/O.CAN.KMOB.FW.A.0022.110430T1700Z-110430T2300Z/
/O.CON.KMOB.FW.W.0024.000000T0000Z-110430T0000Z/
COASTAL ESCAMBIA-COASTAL SANTA ROSA-
316 PM CDT FRI APR 29 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR LONG DURATION OF LOW RELATIVE HUMIDITY AND MARGINAL ENERGY
RELEASE COMPONENT VALUES...
...FIRE WEATHER WATCH IS CANCELLED FOR SATURDAY...

AFTERNOON RELATIVE HUMIDITIES VALUES WILL DROP TO AROUND 25 PERCENT
THIS AFTERNOON. AFTERNOON RELATIVE HUMIDITIES WILL DROP TO AROUND 35
PERCENT OVER THE INLAND PORTION OF THE NORTHWEST FLORIDA PANHANDLE
AND AROUND 40 PERCENT OVER THE COASTAL PORTION ON SATURDAY.

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.

&&

$$

FLZ001-003-005-006-301230-
/O.UPG.KMOB.FW.A.0022.110430T1700Z-110430T2300Z/
/O.NEW.KMOB.FW.W.0025.110430T1700Z-110430T2300Z/
/O.CON.KMOB.FW.W.0024.000000T0000Z-110430T0000Z/
INLAND ESCAMBIA-INLAND SANTA ROSA-INLAND OKALOOSA-
COASTAL OKALOOSA-
316 PM CDT FRI APR 29 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR LONG DURATION OF LOW RELATIVE HUMIDITY AND MARGINAL ENERGY
RELEASE COMPONENT VALUES...
...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM CDT SATURDAY FOR
MARGINAL LONG DURATION OF LOW RELATIVE HUMIDITY AND MARGINAL ENERGY
RELEASE COMPONENT VALUES...

AFTERNOON RELATIVE HUMIDITIES VALUES WILL DROP TO AROUND 25 PERCENT
THIS AFTERNOON. AFTERNOON RELATIVE HUMIDITIES WILL DROP TO AROUND 30
PERCENT OVER THE INLAND PORTION OF THE NORTHWEST FLORIDA PANHANDLE
AND AROUND 35 PERCENT OVER THE COASTAL PORTION ON SATURDAY.

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
Apr 29, 6:52 AM EDTFire Weather WatchMOB9 hr
Apr 29, 4:16 PM EDTRed Flag WarningMOB27 hr

Nearby

Red 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.