Alert archive / Florida / Red Flag Warnings in 2008

Red Flag Warning 64, NWS Mobile, AL

October 24, 2008Walton County, Florida

NWS Mobile, AL issued this red flag warning at Oct 24, 2008, 2:11 PM CDT for Walton County, Florida. It took effect at Oct 25, 2008, 12:00 PM CDT. It was in force for 3 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 24, 2008, 2:11 PM CDT (19:11 UTC)
In effect from
Oct 25, 2008, 12:00 PM CDT
Expired
Oct 25, 2008, 2:42 PM CDT
In force
3 hr
Issued by
NWS Mobile, AL

County Walton County, FL

The radar

The Eglin Afb radar (KEVX), 25 km from the middle of the area, began a volume at 19:13 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.2 hours before the alert went out and 181 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, Tallahassee Rgnl, FL at 12:00Z on 2008-10-24Temperature 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, Tallahassee Rgnl, FL at 12:00Z on 2008-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 430 square meters per square second.19395878Sfc1 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
488 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
430 m²/s²
0-3 km storm-relative helicity
940 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.

000 
WWUS84 KMOB 241911
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
211 PM CDT FRI OCT 24 2008

...RED FLAG WARNING IN EFFECT FROM 12 PM TO 5 PM CDT SATURDAY FOR A
SUSTAINED PERIOD OF LOW RELATIVE HUMIDITY OVER THE WEST FLORIDA
PANHANDLE...

.SKIES WILL CLEAR THIS EVENING AS THE CLOUDS FOLLOWING
THIS MORNINGS FRONT DISSIPATE. DRIER AIR ARRIVES SATURDAY MORNING
WITH LOW HUMIDITY AND A GENERALLY LIGHT NORTHERLY WIND ON SATURDAY
AFTERNOON. DAYTIME DISPERSIONS ONLY FAIR TO AVERAGE WITH THE LIGHTER
WINDS ALOFT ASSOCIATED WITH THE CENTER OF HIGH PRESSURE THAT WILL BE
OVER THE AREA.

FLZ001>006-008-251100-
/O.NEW.KMOB.FW.W.0064.081025T1700Z-081025T2200Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
211 PM CDT FRI OCT 24 2008

...RED FLAG WARNING IN EFFECT FROM 12 PM TO 5 PM CDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 12 PM TO 5 PM CDT SATURDAY. 

SURFACE HUMIDITY IS EXPECTED TO BE LESS THAN 35 PERCENT FOR MORE THAN
4 HOURS OVER THE AREA ON SATURDAY AFTERNOON. 

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY WILL
CREATE RAPID FIRE GROWTH POTENTIAL.

$$
2 follow-up statements
000 
WWUS84 KMOB 251059
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
559 AM CDT SAT OCT 25 2008

...RED FLAG WARNING IN EFFECT THIS AFTERNOON AND A FIRE WEATHER WATCH
BOTH SUNDAY AND MONDAY AFTERNOON FOR THE NORTHWEST FLORIDA PANHANDLE
DUE TO LOW RELATIVE HUMIDITY...

.A COLD FRONT ADVANCING FROM THE PLAINS WILL MOVE THROUGH THE
AREA LATE SUNDAY NIGHT INTO MONDAY MORNING. DRIER AND COOLER AIR
WILL FLOW INTO THE AREA IN THE WAKE OF THE FRONT.  AFTERNOON
RELATIVE HUMIDITIES WILL DROP BELOW CRITICAL LEVELS EACH DAY 
THROUGH TUESDAY.

FLZ001>006-008-260300-
/O.NEW.KMOB.FW.A.0060.081026T1700Z-081026T2300Z/
/O.NEW.KMOB.FW.A.0061.081027T1600Z-081027T2300Z/
/O.EXT.KMOB.FW.W.0064.081025T1700Z-081025T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
559 AM CDT SAT OCT 25 2008

...RED FLAG WARNING NOW IN EFFECT FROM NOON TODAY TO 6 PM CDT
THIS AFTERNOON...
...FIRE WEATHER WATCH IN EFFECT SUNDAY AFTERNOON...
...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY AFTERNOON...

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

RELATIVE HUMIDITY WILL DROP BELOW 35 PERCENT EACH AFTERNOON FOR MORE
THAN 4 HOURS.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY
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.

$$
000 
WWUS84 KMOB 251942
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
200 PM CDT SAT OCT 25 2008

...FIRE WEATHER WATCH IN EFFECT BOTH SUNDAY AND MONDAY AFTERNOONS 
FOR THE NORTHWEST FLORIDA PANHANDLE DUE TO THE POTENTIAL OF LONG 
DURATIONS OF LOW RELATIVE HUMIDITY BELOW 35 PERCENT...

.DRIER AND COOLER AIR WILL CONTINUE TO FLOW INTO THE AREA AS HIGH 
PRESSURE BUILDS IN FROM THE NORTHWEST. AFTERNOON RELATIVE HUMIDITIES 
MAY DROP BELOW CRITICAL LEVELS EACH AFTERNOON THROUGH TUESDAY.


FLZ001>006-008-261145-
/O.CAN.KMOB.FW.W.0064.000000T0000Z-081025T2300Z/
/O.CON.KMOB.FW.A.0060.081026T1700Z-081026T2300Z/
/O.CON.KMOB.FW.A.0061.081027T1600Z-081027T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
200 PM CDT SAT OCT 25 2008

...FIRE WEATHER WATCH IN EFFECT BOTH SUNDAY AND MONDAY AFTERNOONS 
FOR THE NORTHWEST FLORIDA PANHANDLE DUE TO THE POTENTIAL OF LONG 
DURATIONS OF LOW RELATIVE HUMIDITY BELOW 35 PERCENT...
...RED FLAG WARNING FOR THIS AFTERNOON IS CANCELLED...

DRIER AND COOLER AIR WILL CONTINUE TO FLOW INTO THE AREA AS HIGH 
PRESSURE BUILDS IN FROM THE NORTHWEST. AFTERNOON RELATIVE HUMIDITIES 
MAY DROP BELOW CRITICAL LEVELS EACH AFTERNOON THROUGH TUESDAY.

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

$$

Nearby

Red Flag Warnings in Florida, 2008Every red flag warning in 2008

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.