Alert archive / Florida / Red Flag Warnings in 2009

Red Flag Warning 30, NWS Mobile, AL

March 20, 2009

NWS Mobile, AL issued this red flag warning at Mar 20, 2009, 6:43 AM EDT. It took effect at Mar 21, 2009, 2:00 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
Mar 20, 2009, 6:43 AM EDT (10:43 UTC)
In effect from
Mar 21, 2009, 2:00 PM EDT
Expired
Mar 21, 2009, 7:00 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 201043
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
543 AM CDT FRI MAR 20 2009

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT
THIS EVENING FOR A SUSTAINED PERIOD OF LOW SURFACE HUMIDITY OVER THE
WEST FLORIDA PANHANDLE...

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 6 PM CDT SATURDAY FOR A
SUSTAINED PERIOD OF LOW SURFACE HUMIDITY OVER MOST OF THE WEST
FLORIDA PANHANDLE...

.A COLD FRONT HAS MOVED SOUTH OF THE AREA THIS MORNING...LEAVING A
DRY AIR MASS IN ITS PLACE. NORTH TO NORTHEAST 20 FOOT WINDS AROUND 10
MPH WILL BRING DRIER AIR TO THE SURFACE BY LATE MORNING. EXPECT
LOWEST AFTERNOON HUMIDITY VALUES TO BE BETWEEN 25 AND 30 PERCENT. A
LIGHT EASTERLY WIND BY LATE SATURDAY MORNING WILL BRING SLIGHTLY MORE
MOIST AIR INTO THE REGION BUT LOWEST AFTERNOON HUMIDITY READINGS OVER
MOST OF THE INTERIOR SECTIONS OF THE PANHANDLE AND SOUTHWEST ALABAMA
LESS THAN 30 PECENT. 

FLZ001-003>006-201900-
/O.UPG.KMOB.FW.A.0022.090320T1800Z-090321T0000Z/
/O.NEW.KMOB.FW.W.0029.090320T1800Z-090321T0000Z/
/O.NEW.KMOB.FW.W.0030.090321T1800Z-090321T2300Z/
INLAND ESCAMBIA-INLAND SANTA ROSA-COASTAL SANTA ROSA-
INLAND OKALOOSA-COASTAL OKALOOSA-
543 AM CDT FRI MAR 20 2009

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
CDT THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 1 PM TO 6 PM CDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED RED FLAG
WARNINGS...WHICH WILL BE IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
CDT THIS EVENING AND FROM 1 PM TO 6 PM CDT SATURDAY. 

A SUSTAINED PERIOD OF SURFACE HUMIDITY BELOW 35 PERCENT ALONG WITH
DISPERSION INDICES AROUND 80 IS EXPECTED BY THIS AFTERNOON. 20 FOOT
WINDS AROUND 10 TO 12 MPH TODAY...OCCASIONALLY GUSTY THIS MORNING. A
LIGHT EASTERLY WINDS ON SATURDAY WILL BRING HUMIDITY UP JUST A BIT
OVER COASTAL ESCAMBIA COUNTY BUT THE REMAINDER OF THE AREA WILL SEE
RED FLAG CONDITIONS ON SATURDAY. 

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF MODERATE WINDS...LOW
RELATIVE HUMIDITY...AND DRY GRASSES WILL CREATE RAPID FIRE GROWTH
POTENTIAL.

$$

FLZ002-201900-
/O.UPG.KMOB.FW.A.0022.090320T1800Z-090321T0000Z/
/O.NEW.KMOB.FW.W.0029.090320T1800Z-090321T0000Z/
COASTAL ESCAMBIA-
543 AM CDT FRI MAR 20 2009

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT
THIS EVENING. 

A SUSTAINED PERIOD OF SURFACE HUMIDITY BELOW 35 PERCENT ALONG WITH
DISPERSION INDICES AROUND 80 IS EXPECTED BY THIS AFTERNOON. 20 FOOT
WINDS AROUND 10 TO 12 MPH TODAY...OCCASIONALLY GUSTY THIS MORNING.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF MODERATE WINDS...LOW
RELATIVE HUMIDITY...AND DRY GRASSES WILL CREATE RAPID FIRE GROWTH
POTENTIAL.

$$
3 follow-up statements
000 
WWUS84 KMOB 201858
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
158 PM CDT FRI MAR 20 2009

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
CDT THIS EVENING FOR A SUSTAINED PERIOD OF LOW SURFACE HUMIDITY
OVER THE WEST FLORIDA PANHANDLE...

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 6 PM CDT SATURDAY FOR
A SUSTAINED PERIOD OF LOW SURFACE HUMIDITY OVER MOST OF THE WEST
FLORIDA PANHANDLE...

.DRY HIGH PRESSURE WILL BUILD SOUTHEASTWARD FROM THE GREAT LAKES
TO THE MID ATLANTIC OVER THE WEEKEND.  VERY LITTLE CHANGE WILL OCCUR AS THE 
NEAR SURFACE LAYER REMAINS DRY AND THE NORTHEAST FLOW BECOMES MORE EASTERLY 
WITH TIME.

FLZ001-003>006-211100-
/O.CON.KMOB.FW.W.0029.000000T0000Z-090321T0000Z/
/O.CON.KMOB.FW.W.0030.090321T1800Z-090321T2300Z/
INLAND ESCAMBIA-INLAND SANTA ROSA-COASTAL SANTA ROSA-
INLAND OKALOOSA-COASTAL OKALOOSA-
158 PM CDT FRI MAR 20 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM TO 6 PM CDT
SATURDAY...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING.
A RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM TO 6 PM CDT
SATURDAY. 

DRY HIGH PRESSURE WILL BUILD SOUTHEASTWARD FROM THE GREAT LAKES
TO THE MID ATLANTIC OVER THE WEEKEND.  VERY LITTLE CHANGE WILL OCCUR AS THE 
NEAR SURFACE LAYER REMAINS DRY AND THE NORTHEAST FLOW BECOMES MORE EASTERLY 
WITH TIME.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
MODERATE WINDS...LOW RELATIVE HUMIDITY...AND DRY GRASSES WILL
CREATE RAPID FIRE GROWTH POTENTIAL.

$$

FLZ002-210000-
/O.CON.KMOB.FW.W.0029.000000T0000Z-090321T0000Z/
COASTAL ESCAMBIA-
158 PM CDT FRI MAR 20 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING.

DRY HIGH PRESSURE WILL BUILD SOUTHEASTWARD FROM THE GREAT LAKES
TO THE MID ATLANTIC OVER THE WEEKEND.  VERY LITTLE CHANGE WILL OCCUR AS THE 
NEAR SURFACE LAYER REMAINS DRY AND THE NORTHEAST FLOW BECOMES MORE EASTERLY 
WITH TIME.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
MODERATE WINDS...LOW RELATIVE HUMIDITY...AND DRY GRASSES WILL
CREATE RAPID FIRE GROWTH POTENTIAL.

$$
000 
WWUS84 KMOB 211136
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
636 AM CDT SAT MAR 21 2009

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 6 PM CDT THIS AFTERNOON
FOR A SUSTAINED PERIOD OF LOW SURFACE HUMIDITY OVER MOST OF THE
WEST FLORIDA PANHANDLE...

...RED FLAG WARNING IN EFFECT FROM 12 PM TO 7 PM CDT SUNDAY FOR A
SUSTAINED PERIOD OF LOW SURFACE HUMIDITY OVER MOST OF THE WEST
FLORIDA PANHANDLE...

.DRY HIGH PRESSURE WILL REMAIN ACROSS THE SOUTHEAST STATES THROUGH
THE WEEKEND. RED FLAG WARNINGS ARE IN EFFECT FOR MOST OF THE WESTERN
FLORIDA PANHANDLE EACH AFTERNOON DUE TO PROLONGED PERIODS OF
CRITICALLY LOW RH. A MOIST SOUTHERLY WIND FLOW WILL RETURN TO THE
REGION ON MONDAY...WITH THE POTENTIAL OF PROLONGED RAINFALL AFTER
MIDWEEK.


FLZ001-003>006-220345-
/O.NEW.KMOB.FW.W.0031.090322T1700Z-090323T0000Z/
/O.CON.KMOB.FW.W.0030.090321T1800Z-090321T2300Z/
INLAND ESCAMBIA-INLAND SANTA ROSA-COASTAL SANTA ROSA-
INLAND OKALOOSA-COASTAL OKALOOSA-
636 AM CDT SAT MAR 21 2009

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM TO 6 PM CDT THIS
AFTERNOON...
...RED FLAG WARNING IN EFFECT FROM 12 PM TO 7 PM CDT SUNDAY...

DRY HIGH PRESSURE WILL REMAIN ACROSS THE REGION TODAY. VERY LITTLE
CHANGE WILL OCCUR AGAIN ON SUNDAY AS THE NEAR SURFACE LAYER REMAINS
DRY.

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

$$
000 
WWUS84 KMOB 212045
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
345 PM CDT SAT MAR 21 2009

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM TO 6 PM CDT THIS
AFTERNOON FOR A SUSTAINED PERIOD OF LOW SURFACE RELATIVE HUMIDITY
OVER MOST OF THE WEST FLORIDA PANHANDLE...

...RED FLAG WARNING IN EFFECT FROM 12 PM TO 7 PM CDT SUNDAY FOR A
SUSTAINED PERIOD OF LOW SURFACE HUMIDITY OVER MOST OF THE WEST
FLORIDA PANHANDLE...

.DRY HIGH PRESSURE WILL REMAIN ACROSS THE SOUTHEAST STATES
THROUGH THE WEEKEND WITH A DRY EASTERLY TRANSPORT FLOW CONTINUING
INTO SUNDAY. A MOIST SOUTHERLY WIND FLOW WILL RETURN TO THE REGION
ON MONDAY...WITH THE POTENTIAL OF PROLONGED RAINFALL BY MIDWEEK.

FLZ001-003>006-220000-
/O.CON.KMOB.FW.W.0030.000000T0000Z-090321T2300Z/
/O.CON.KMOB.FW.W.0031.090322T1700Z-090323T0000Z/
INLAND ESCAMBIA-INLAND SANTA ROSA-COASTAL SANTA ROSA-
INLAND OKALOOSA-COASTAL OKALOOSA-
345 PM CDT SAT MAR 21 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS
AFTERNOON...
...RED FLAG WARNING REMAINS IN EFFECT FROM 12 PM TO 7 PM CDT
SUNDAY...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS
AFTERNOON. A RED FLAG WARNING REMAINS IN EFFECT FROM 12 PM TO
7 PM CDT SUNDAY. 

VERY LOW RELATIVE HUMIDITY VALUES FROM 20 TO 25 PERCENT WILL CONTINUE
FOR SEVERAL INLAND AREAS OF THE WESTERN FLORIDA PANHANDLE THIS
AFTERNOON WITH BREEZY EASTERLY WINDS FROM 10 TO 15 MPH. ANOTHER
PERIOD OF LOW RELATIVE HUMIDITY CAN BE EXPECTED ON SUNDAY...WITH
EASTERLY WINDS GOING MORE SOUTHEASTERLY IN THE AFTERNOON.  

A RED FLAG WARNING MEANS THAT DANGEROUS FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR LIKELY WILL OCCUR. A COMBINATION OF
LOW RELATIVE HUMIDITY...BREEZY EAST WINDS AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 20, 6:43 AM EDTRed Flag WarningMOB13 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.