Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 32, NWS Mobile, AL

March 17, 2007Walton County, Florida

NWS Mobile, AL issued this red flag warning at Mar 17, 2007, 2:09 PM CDT for Walton County, Florida. It took effect at Mar 18, 2007, 12:00 PM CDT. It was in force for 6 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 17, 2007, 2:09 PM CDT (19:09 UTC)
In effect from
Mar 18, 2007, 12:00 PM CDT
Expired
Mar 18, 2007, 6:00 PM CDT
In force
6 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 19:10 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 2007-03-17Temperature 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 2007-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 354 square meters per square second.1939587897Sfc1 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
1855 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
354 m²/s²
0-3 km storm-relative helicity
403 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 171909
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
209 PM CDT SAT MAR 17 2007

...A RED FLAG WARNING IS IN EFFECT UNTIL 7 PM CDT THIS EVENING AND
AGAIN SUNDAY FROM NOON UNTIL 6 PM. THE WARNING IS FOR THE NORTHWEST
FLORIDA PANHANDLE COUNTIES OF ESCAMBIA...SANTA ROSA...OKALOOSA AND
COASTAL WALTON COUNTIES DUE TO LONG DURATION OF LOW RELATIVE
HUMIDITY...

.DRY HIGH PRESSURE IN PLACE ACROSS THE REGION WILL SHIFT EASTWARD
THROUGH EARLY NEXT WEEK ALLOWING SURFACE HUMIDITIES TO REMAIN BELOW CRITICAL
LEVELS FOR AN EXTENDED TIME THIS AFTERNOON AND AGAIN SUNDAY
AFTERNOON. MOISTURE SLOWLY RETURNING TO THE AREA THE FIRST OF THE
WEEK SHOULD KEEP AFTERNOON RELATIVE HUMIDITIES ABOVE CRITICAL
LEVELS THROUGH NEXT WEEK. 

FLZ001>006-008-181100-
/O.UPG.KMOB.FW.A.0022.070318T1700Z-070318T2300Z/
/O.NEW.KMOB.FW.W.0032.070318T1700Z-070318T2300Z/
/O.CON.KMOB.FW.W.0031.000000T0000Z-070318T0000Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
209 PM CDT SAT MAR 17 2007

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

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. A
RED FLAG WARNING IS NOW IN EFFECT FROM NOON UNTIL 6 PM CDT SUNDAY.
THE FIRE WEATHER WATCH FOR SUNDAY WAS REPLACED BY THE RED FLAG
WARNING.

SURFACE HUMIDITY WILL REMAIN BELOW 35 PERCENT UNTIL AROUND SUNSET
TODAY AND WILL DROP BELOW 35 PERCENT AROUND NOON ON SUNDAY. SURFACE
HUMIDITY ON SUNDAY SHOULD RISE ABOVE 35 PERCENT LATE SUNDAY
AFTERNOON. |

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

$$
2 follow-up statements
000 
WWUS84 KMOB 181103
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
603 AM CDT SUN MAR 18 2007

...A RED FLAG WARNING IS IN EFFECT FROM NOON TODAY TO 6 PM CDT THIS
AFTERNOON FOR THE NORTHWEST FLORIDA PANHANDLE COUNTIES OF
ESCAMBIA...SANTA ROSA...OKALOOSA AND COASTAL WALTON DUE TO LONG
DURATION OF LOW RELATIVE HUMIDITY...

...A FIRE WEATHER WATCH IS IN EFFECT MONDAY AFTERNOON FOR THE
INTERIOR PORTION OF THE NORTHWEST FLORIDA PANHANDLE COUNTIES OF
ESCAMBIA...SANTA ROSA...AND OKALOOSA DUE TO A MARGINAL DURATION OF
LOW RELATIVE HUMIDITY...

.DRY HIGH PRESSURE OVER THE SOUTHEAST STATES SHIFTS INTO THE WESTERN
ATLANTIC ON MONDAY ALLOWING FOR A SOUTHERLY WIND FLOW TO DEVELOP OVER
THE AREA TODAY AND GRADUALLY RETURN MOISTURE TO THE REGION. AFTERNOON
RELATIVE HUMIDITIES WILL DROP BELOW CRITICAL LEVELS TODAY OVER THE
NORTHWEST FLORIDA PANHANDLE. RELATIVE HUMIDITIES DROP BELOW CRITICAL
LEVELS OVER THE INTERIOR PORTION OF THE NORTHWEST FLORIDA PANHANDLE
ON MONDAY...ALTHOUGH THE DURATION WILL BE MARGINAL. MOISTURE LEVELS
CONTINUE TO RISE MEANWHILE AND WILL KEEP RELATIVE HUMIDITIES ABOVE
CRITICAL LEVELS THROUGH THE REMAINDER OF NEXT WEEK.

FLZ001-003-005-181915-
/O.NEW.KMOB.FW.A.0023.070319T1700Z-070319T2300Z/
/O.CON.KMOB.FW.W.0032.070318T1700Z-070318T2300Z/
INLAND ESCAMBIA-INLAND SANTA ROSA-INLAND OKALOOSA-
603 AM CDT SUN MAR 18 2007

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM CDT
THIS AFTERNOON...
...FIRE WEATHER WATCH IN EFFECT MONDAY AFTERNOON...

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

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

$$

FLZ002-004-006-008-181915-
/O.CON.KMOB.FW.W.0032.070318T1700Z-070318T2300Z/
COASTAL ESCAMBIA-COASTAL SANTA ROSA-COASTAL OKALOOSA-
COASTAL WALTON-
603 AM CDT SUN MAR 18 2007

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM CDT
THIS AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM CDT
THIS AFTERNOON. 

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

$$
000 
WWUS84 KMOB 181952
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
252 PM CDT SUN MAR 18 2007

...A RED FLAG WARNING REMAINS IN EFFECT TO 6 PM CDT TODAY FOR THE
NORTHWEST FLORIDA PANHANDLE COUNTIES OF ESCAMBIA...SANTA
ROSA...OKALOOSA AND COASTAL WALTON DUE TO LONG DURATION OF LOW
RELATIVE HUMIDITY...

...A FIRE WEATHER WATCH IS IN EFFECT MONDAY AFTERNOON FOR THE
INTERIOR PORTION OF OKALOOSA COUNTY DUE TO A POSSIBLE SUSTAINED 
DURATION OF LOW RELATIVE HUMIDITY...

.SURFACE HIGH PRESSURE OVER THE AREA WILL CONTINUE THROUGH THE WEEK.
INLAND ESCAMBIA AND SANTA ROSA COUNTIES OF THE FLORIDA PANHANDLE HAVE
BEEN DROPPED FROM MONDAYS FIRE WEATHER WATCH. A SOUTHEASTERLY WIND
FLOW SHOULD CONTINUE TO ADVECT MOISTURE INTO THE REGION THE NEXT FEW
DAYS...BUT A SOUTHEAST WIND OVER INLAND OKALOOSA COUNTY IS MAINLY
OVER LAND...HENCE THE CONTINUATION OF THE WATCH. A BIT DROER AIR MAY
MOVE ACROSS THE PANHANDLE TUESDAY AFTERNOON AND ITS POSSIBLE THAT
ANOTHER WATCH MAY BE NEEDED.  

FLZ001-003-182300-
/O.CAN.KMOB.FW.A.0023.070319T1700Z-070319T2300Z/
/O.CON.KMOB.FW.W.0032.000000T0000Z-070318T2300Z/
INLAND ESCAMBIA-INLAND SANTA ROSA-
252 PM CDT SUN MAR 18 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS
AFTERNOON...
...FIRE WEATHER WATCH IS CANCELLED FOR MONDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE FIRE
WEATHER WATCH FOR MONDAY. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6
PM CDT THIS AFTERNOON.

SURFACE HUMIDITY STARTED TO DROP BELOW 35 PERCENT OVER MOST OF THE
AREA AT 11 AM AND WILL INCREASE ABOVE 35 PERCENT AROUND 6 PM. 

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.

$$

FLZ005-191100-
/O.CON.KMOB.FW.W.0032.000000T0000Z-070318T2300Z/
/O.CON.KMOB.FW.A.0023.070319T1700Z-070319T2300Z/
INLAND OKALOOSA-
252 PM CDT SUN MAR 18 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS
AFTERNOON...
...FIRE WEATHER WATCH REMAINS IN EFFECT MONDAY AFTERNOON...

SURFACE HUMIDITY STARTED TO DROP BELOW 35 PERCENT OVER OKALOOSA
COUNTY AT 11 AM AND WILL NOT INCREASE ABOVE 35 PERCENT UNTIL AROUND
6 PM. 

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

$$

FLZ002-004-006-008-182300-
/O.CON.KMOB.FW.W.0032.000000T0000Z-070318T2300Z/
COASTAL ESCAMBIA-COASTAL SANTA ROSA-COASTAL OKALOOSA-
COASTAL WALTON-
252 PM CDT SUN MAR 18 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS
AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS
AFTERNOON. 

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 17, 6:11 AM CDTFire Weather WatchMOBWalton8 hr
Mar 17, 6:11 AM CDTRed Flag WarningMOBWalton13 hr

Nearby

Red Flag Warnings in Florida, 2007Every red flag warning in 2007

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.