Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 11, NWS Mobile, AL

February 10, 2007Walton County, Florida

NWS Mobile, AL issued this red flag warning at Feb 10, 2007, 4:00 AM CST for Walton County, Florida. It took effect at Feb 10, 2007, 9:14 AM CST. It was in force for 9 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
Feb 10, 2007, 4:00 AM CST (10:00 UTC)
In effect from
Feb 10, 2007, 9:14 AM CST
Expired
Feb 10, 2007, 6:00 PM CST
In force
9 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 10:04 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 00:00Z, 10.0 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 00:00Z on 2007-02-10Temperature 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 00:00Z on 2007-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.1939587897117136Sfc1 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
1531 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
118 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 101000
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
400 AM CST SAT FEB 10 2007

......A RED FLAG WARNING IS IN EFFECT FOR INLAND SECTIONS OF SANTA
ROSA AND OKALOOSA COUNTIES IN NORTHWEST FLORIDA UNTIL 6 PM CST DUE
TO A LONG DURATION OF LOW RELATIVE HUMIDITY BELOW 35 PERCENT......

.A DRY AIRMASS ACROSS THE AREA WILL CAUSE RELATIVE HUMIDITY VALUES
TO EXCEED CRITICAL VALUES IN SOME INLAND AREAS IN THE WESTERN FLORIDA
PANHANDLE THIS AFTERNOON.

FLZ003-005-101800-
/O.NEW.KMOB.FW.W.0011.070210T1800Z-070211T0000Z/
INLAND SANTA ROSA-INLAND OKALOOSA-
400 AM CST SAT FEB 10 2007

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 6 PM CST THIS AFTERNOON
FOR THE FOLLOWING COUNTIES IN NORTHWEST FLORIDA...

.INLAND SANTA ROSA...INLAND OKALOOSA...

THIS WARNING IS IN EFFECT DUE TO CRITICALLY LOW AFTERNOON RELATIVE
HUMIDITIES.  

.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 101514
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
914 AM CST SAT FEB 10 2007

...A RED FLAG WARNING IS IN EFFECT FROM 10 AM THROUGH 6 PM TODAY
ACROSS THE WESTERN FLORIDA PANHANDLE FOR LONG DURATIONS OF LOW
RELATIVE HUMIDITY BELOW 35 PERCENT...

.A DRY AIRMASS ACROSS THE AREA WILL CAUSE RELATIVE HUMIDITY VALUES
TO EXCEED CRITICAL VALUES ACROSS THE WESTERN FLORIDA PANHANDLE TODAY.
GUSTY NORTH WINDS AROUND 15 MPH AT TIMES WILL INCREASE THE DANGER OF
UNCONTROLLABLE FIRES...WITH RELATIVE HUMIDITY VALUES FALLING TO
AROUND 25 PERCENT THIS AFTERNOON. 

FLZ001-002-004-006-008-110000-
/O.EXB.KMOB.FW.W.0011.070210T1600Z-070211T0000Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-COASTAL SANTA ROSA-
COASTAL OKALOOSA-COASTAL WALTON-
914 AM CST SAT FEB 10 2007

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 6 PM CST TODAY.

THIS RED FLAG WARNING WARNING IS IN EFFECT DUE TO CRITICALLY LOW
RELATIVE HUMIDITY VALUES TODAY...AND GUSTY NORTH WINDS AROUND 15 MPH
AT TIMES.

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

$$

FLZ003-005-110000-
/O.EXT.KMOB.FW.W.0011.070210T1600Z-070211T0000Z/
INLAND SANTA ROSA-INLAND OKALOOSA-
914 AM CST SAT FEB 10 2007

...RED FLAG WARNING NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON...

THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 6 PM CST TODAY.

THIS RED FLAG WARNING WARNING IS IN EFFECT DUE TO CRITICALLY LOW
RELATIVE HUMIDITY VALUES TODAY...AND GUSTY NORTH WINDS AROUND 15 MPH
AT TIMES.

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

$$
000 
WWUS84 KMOB 102046
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
246 PM CST SAT FEB 10 2007

...A RED FLAG WARNING REMAINS IN EFFECT THROUGH 6 PM TODAY 
ACROSS THE WESTERN FLORIDA PANHANDLE FOR LONG DURATIONS OF LOW
RELATIVE HUMIDITY BELOW 35 PERCENT...

...A RED FLAG WARNING IS IN EFFECT FOR THE INLAND ZONES OF THE
WESTERN FLORIDA PANHANDLE AND COASTAL ZONES EAST OF NAVARRE ON SUNDAY
FOR EXPECTED LONG DURATIONS OF LOW RELATIVE HUMIDITY BELOW 35
PERCENT...

...A FIRE WEATHER WATCH IS IN EFFECT FOR THE COASTAL ZONES OF THE 
WESTERN FLORIDA PANHANDLE WEST OF NAVARRE ON SUNDAY FOR THE POTENTIAL 
OF LONG DURATIONS OF LOW RELATIVE HUMIDITY BELOW 35 PERCENT...

.A DRY AIRMASS ACROSS THE AREA WILL CAUSE RELATIVE HUMIDITY VALUES
TO ONCE AGAIN DROP BELOW CRITICAL THRESHOLDS ON SUNDAY FOR MANY 
ZONES ACROSS THE WESTERN FLORIDA PANHANDLE. WINDS ON SUNDAY WILL BE
LIGHTER THAN THOSE OBSERVED ON SATURDAY...HOWEVER THE LOW RELATIVE 
HUMIDITY VALUES DUE TO SLIGHTLY WARMER TEMPERATURES ON SUNDAY COULD 
STILL RESULT IN UNCONTROLLABLE FIRES.  

FLZ001-003-005-006-008-110000-
/O.NEW.KMOB.FW.W.0012.070211T1600Z-070212T0000Z/
/O.CON.KMOB.FW.W.0011.000000T0000Z-070211T0000Z/
INLAND ESCAMBIA-INLAND SANTA ROSA-INLAND OKALOOSA-
COASTAL OKALOOSA-COASTAL WALTON-
246 PM CST SAT FEB 10 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 6 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM TO 6 PM CST SUNDAY. A RED
FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST TODAY.

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


$$

FLZ002-004-110000-
/O.NEW.KMOB.FW.A.0009.070211T1600Z-070212T0000Z/
/O.CON.KMOB.FW.W.0011.000000T0000Z-070211T0000Z/
COASTAL ESCAMBIA-COASTAL SANTA ROSA-
246 PM CST SAT FEB 10 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST TODAY.

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

THE FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE POSSIBLE ON SUNDAY. LISTEN FOR LATER FORECASTS AND POSSIBLE RED
FLAG WARNINGS FOR SUNDAY AS WELL.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 2:46 PM CSTFire Weather WatchMOB13 hr
Feb 10, 2:46 PM CSTRed Flag WarningMOBWalton26 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.