Alert archive / Florida / Red Flag Warnings in 2009

Red Flag Warning 39, NWS Mobile, AL

April 23, 2009

NWS Mobile, AL issued this red flag warning at Apr 23, 2009, 6:58 AM EDT. It took effect at Apr 23, 2009, 12:00 PM EDT. 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
Apr 23, 2009, 6:58 AM EDT (10:58 UTC)
In effect from
Apr 23, 2009, 12:00 PM EDT
Expired
Apr 23, 2009, 5:08 PM EDT
In force
5 hr
Issued by
NWS Mobile, AL

The text

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

000 
WWUS84 KMOB 231058
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
558 AM CDT THU APR 23 2009

...A RED FLAG WARNING IS IN EFFECT FROM 11 AM TO 7 PM CDT TODAY FOR
THE INTERIOR PORTION OF THE NORTHWEST FLORIDA PANHANDLE COUNTIES OF
ESCAMBIA...SANTA ROSA AND OKALOOSA DUE TO MARGINALLY LOW RELATIVE
HUMIDITIES AND POTENTIALLY BREEZY WINDS...

...A FIRE WEATHER WATCH IS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY AFTERNOON FOR THE INTERIOR PORTION OF THE NORTHWEST FLORIDA
PANHANDLE COUNTIES OF SANTA ROSA AND OKALOOSA DUE TO MARGINALLY LOW
RELATIVE HUMIDITIES AND POTENTIALLY BREEZY WINDS...

.DISCUSSION...A RIDGE OF HIGH PRESSURE OVER THE NORTHERLY GULF OF
MEXICO WILL MAINTAIN AN ONSHORE FLOW WHICH GRADUALLY RETURNS
MOISTURE TO THE REGION.  PATCHY FOG WILL BE PRESENT DURING THE
EARLY MORNING HOURS THEN WARM DAYTIME TEMPERATURES WILL RESULT
IN RELATIVE HUMIDITIES DROPPING BELOW CRITICAL LEVELS OVER THE
INTERIOR PORTION OF THE NORTHWEST FLORIDA PANHANDLE.  RELATIVE
HUMIDITIES WILL DROP BELOW CRITICAL LEVELS AGAIN OVER MOST OF
THE INTERIOR PORTION OF THE NORTHWEST FLORIDA PANHANDLE ON
FRIDAY.  SOUTHERLY WINDS MAY ATTAIN 15 MPH THIS AFTERNOON AND
AGAIN FRIDAY AFTERNOON OVER THE INLAND PORTION OF THE NORTHWEST
FLORIDA PANHANDLE DURING THE PERIOD OF LOW RELATIVE HUMIDITIES
AS WELL.  OTHERWISE...RELATIVE HUMIDITIES WILL REMAIN ABOVE 
CRITICAL LEVELS THROUGH THE WEEKEND. 

FLZ003-005-240300-
/O.NEW.KMOB.FW.W.0039.090423T1600Z-090424T0000Z/
/O.NEW.KMOB.FW.A.0031.090424T1600Z-090425T0000Z/
INLAND SANTA ROSA-INLAND OKALOOSA-
558 AM CDT THU APR 23 2009

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT
THIS EVENING...
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

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 FROM FRIDAY MORNING THROUGH
FRIDAY EVENING. 

RELATIVE HUMIDITIES WILL DROP BELOW CRITICAL LEVELS AROUND NOON AND
THEN RETURN ABOVE CRITICAL LEVELS AROUND 6 PM ON BOTH DAYS. SOUTHERLY
WINDS MAY BRIEFLY ATTAIN 15 MPH DURING EACH AFTERNOON AS WELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE 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.

&&

$$

FLZ001-240000-
/O.NEW.KMOB.FW.W.0039.090423T1600Z-090424T0000Z/
INLAND ESCAMBIA-
558 AM CDT THU APR 23 2009

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT
THIS EVENING...

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. 

RELATIVE HUMIDITIES WILL DROP BELOW CRITICAL LEVELS AROUND NOON AND
THEN RETURN ABOVE CRITICAL LEVELS AROUND 6 PM.  SOUTHERLY WINDS MAY
BRIEFLY ATTAIN 15 MPH DURING THE AFTERNOON AS WELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$
2 follow-up statements
000 
WWUS84 KMOB 231137 CCA
RFWMOB

URGENT - FIRE WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE MOBILE AL
637 AM CDT THU APR 23 2009

...A RED FLAG WARNING IS IN EFFECT FROM 11 AM TO 7 PM CDT TODAY FOR
THE INTERIOR PORTION OF THE NORTHWEST FLORIDA PANHANDLE COUNTIES OF
ESCAMBIA...SANTA ROSA AND OKALOOSA DUE TO MARGINALLY LOW RELATIVE
HUMIDITIES AND POTENTIALLY BREEZY WINDS...

...A FIRE WEATHER WATCH IS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY AFTERNOON FOR THE INTERIOR PORTION OF THE NORTHWEST FLORIDA
PANHANDLE COUNTIES OF SANTA ROSA AND OKALOOSA DUE TO MARGINALLY LOW
RELATIVE HUMIDITIES AND POTENTIALLY BREEZY WINDS...

.DISCUSSION...A RIDGE OF HIGH PRESSURE OVER THE NORTHERN GULF OF
MEXICO WILL MAINTAIN AN ONSHORE FLOW WHICH GRADUALLY RETURNS MOISTURE
TO THE REGION. PATCHY FOG WILL BE PRESENT DURING THE EARLY MORNING
HOURS THEN WARM DAYTIME TEMPERATURES WILL RESULT IN RELATIVE
HUMIDITIES DROPPING BELOW CRITICAL LEVELS OVER THE INTERIOR PORTION
OF THE NORTHWEST FLORIDA PANHANDLE. RELATIVE HUMIDITIES WILL DROP
BELOW CRITICAL LEVELS AGAIN OVER MOST OF THE INTERIOR PORTION OF THE
NORTHWEST FLORIDA PANHANDLE ON FRIDAY. SOUTHERLY WINDS MAY ATTAIN 15
MPH THIS AFTERNOON AND AGAIN FRIDAY AFTERNOON OVER THE INLAND PORTION
OF THE NORTHWEST FLORIDA PANHANDLE DURING THE PERIOD OF LOW RELATIVE
HUMIDITIES AS WELL. OTHERWISE...RELATIVE HUMIDITIES WILL REMAIN ABOVE
CRITICAL LEVELS THROUGH THE WEEKEND.

FLZ003-005-240400-
/O.NEW.KMOB.FW.W.0039.090423T1600Z-090424T0000Z/
/O.NEW.KMOB.FW.A.0031.090424T1600Z-090425T0000Z/
INLAND SANTA ROSA-INLAND OKALOOSA-
637 AM CDT THU APR 23 2009

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT
THIS EVENING...
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

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 FROM FRIDAY MORNING THROUGH
FRIDAY EVENING. 

RELATIVE HUMIDITIES WILL DROP BELOW CRITICAL LEVELS AROUND NOON AND
THEN RETURN ABOVE CRITICAL LEVELS AROUND 6 PM ON BOTH DAYS. SOUTHERLY
WINDS MAY BRIEFLY ATTAIN 15 MPH DURING EACH AFTERNOON AS WELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE 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.

&&

$$

FLZ001-240000-
/O.NEW.KMOB.FW.W.0039.090423T1600Z-090424T0000Z/
INLAND ESCAMBIA-
637 AM CDT THU APR 23 2009

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT
THIS EVENING...

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. 

RELATIVE HUMIDITIES WILL DROP BELOW CRITICAL LEVELS AROUND NOON AND
THEN RETURN ABOVE CRITICAL LEVELS AROUND 6 PM.  SOUTHERLY WINDS MAY
BRIEFLY ATTAIN 15 MPH DURING THE AFTERNOON AS WELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$
000 
WWUS84 KMOB 232108
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
408 PM CDT THU APR 23 2009

...A RED FLAG WARNING THAT WAS IN EFFECT FROM 11 AM TO 7 PM CDT
TODAY FOR PARTS OF THE INTERIOR WESTERN FLORIDA PANHANDLE HAS BEEN 
CANCELLED...

...A FIRE WEATHER WATCH REMAINS IN EFFECT FROM LATE FRIDAY MORNING
THROUGH FRIDAY AFTERNOON FOR THE INTERIOR PORTION OF THE NORTHWEST
FLORIDA PANHANDLE COUNTIES OF SANTA ROSA AND OKALOOSA DUE TO
THE POSSIBILITY OF MARGINALLY LOW RELATIVE HUMIDITIES...

.DISCUSSION...HIGH PRESSURE WILL CONTINUE TO RIDGE INTO THE 
SOUTHEASTERN UNITED STATES AND OVER THE NORTHEASTERN GULF OF MEXICO 
THROUGH THE WEEKEND. THIS WILL RESULT IN A GRADUALLY MOISTENING 
AIRMASS OVER THE REGION BY THE WEEKEND. DRY AIR IN THE MID LEVELS OF 
THE ATMOSPHERE WILL REMAIN OVER THE REGION THROUGH FRIDAY AND WITH 
DAYTIME HEATING AND A SLIGHT MIXING PROCESS...AFTERNOON RELATIVE 
HUMIDITY VALUES WILL AGAIN INTO THE UPPER 20S AND LOWER 30S OVER
INTERIOR PORTIONS OF THE WESTERN FLORIDA PANHANDLE. THE EXACT
DURATION OF THESE LOWER HUMIDITIES IS STILL UNCERTAIN DUE TO GRADUAL
MOISTURE RETURN...AND AS A RESULT WILL MAINTAIN THE FIRE WEATHER
WATCH FOR INTERIOR SANTA ROSA AND OKALOOSA COUNTIES OF THE WESTERN
FLORIDA PANHAHDLE FRIDAY AFTERNOON AND NOT UPGRADE TO A WARNING AT
THIS TIME.

FLZ003-005-241315-
/O.CAN.KMOB.FW.W.0039.000000T0000Z-090424T0000Z/
/O.CON.KMOB.FW.A.0031.090424T1600Z-090425T0000Z/
INLAND SANTA ROSA-INLAND OKALOOSA-
408 PM CDT THU APR 23 2009

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING
THROUGH FRIDAY EVENING...
...RED FLAG WARNING IS CANCELLED FOR TODAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE RED FLAG
WARNING THAT WAS IN EFFECT TODAY. A FIRE WEATHER WATCH REMAINS IN EFFECT
FROM LATE FRIDAY MORNING THROUGH FRIDAY EVENING.

RELATIVE HUMIDITIES WILL POTENTIALLY DROP BELOW CRITICAL LEVELS
AROUND NOON AND THEN RETURN ABOVE CRITICAL LEVELS AROUND 6 PM ON
FRIDAY. 

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

FLZ001-232215-
/O.CAN.KMOB.FW.W.0039.000000T0000Z-090424T0000Z/
INLAND ESCAMBIA-
408 PM CDT THU APR 23 2009

...RED FLAG WARNING IS CANCELLED...

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

AREA OBSERVATIONS INDICATED THAT RELATIVE HUMIDITY VALUES ARE ABOVE
THE CRITICAL VALUE OF 35 PERCNET. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 6:58 AM EDTFire Weather WatchMOB24 hr

Nearby

Red Flag Warnings in Florida, 2009Every red flag warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.