Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 68, NWS Mobile, AL

October 11, 2007Walton County, Florida

NWS Mobile, AL issued this red flag warning at Oct 11, 2007, 1:41 PM CDT for Walton County, Florida. It took effect at Oct 12, 2007, 12:00 PM CDT. It was in force for 7 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 11, 2007, 1:41 PM CDT (18:41 UTC)
In effect from
Oct 12, 2007, 12:00 PM CDT
Expired
Oct 12, 2007, 7:00 PM CDT
In force
7 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 18:44 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, 6.7 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 2007-10-11Temperature 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 2007-10-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.193958Sfc1 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
1840 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
66 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 111841
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
141 PM CDT THU OCT 11 2007

...RED FLAG WARNING CONTINUES FOR SOUTHWEST ALABAMA AND THE WESTERN
FLORIDA PANHANDLE THIS AFTERNOON DUE TO CRITICALLY LOW RELATIVE
HUMIDITY VALUES AND 20 FOOT WINDS OF 10 MPH OR GREATER...

...A RED FLAG WARNING IS NOW IN EFFECT FOR FRIDAY AFTERNOON ACROSS
THE WESTERN FLORIDA PANHANDLE DUE TO THE EXPECTED OCCURRENCE OF
CRITICALLY LOW RELATIVE HUMIDITY BELOW 35 PERCENT...

.A DRY AIRMASS HOLDS THROUGH THE END OF THE WEEK.

FLZ001>006-008-120200-
/O.UPG.KMOB.FW.A.0055.071012T1700Z-071012T2300Z/
/O.NEW.KMOB.FW.W.0068.071012T1700Z-071012T2300Z/
/O.CON.KMOB.FW.W.0067.000000T0000Z-071011T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
141 PM CDT THU OCT 11 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS
AFTERNOON FOR SOUTHWEST ALABAMA AND THE WESTERN FLORIDA PANHANDLE  
DUE TO CRITICALLY LOW RELATIVE HUMIDITY VALUES AND 20 FOOT WINDS OF 
10 MPH OR GREATER...
...RED FLAG WARNING IN EFFECT FROM 12 PM TO 6 PM CDT FRIDAY ACROSS
THE WESTERN FLORIDA PANHANDLE DUE TO THE EXPECTED OCCURRENCE OF
CRITICALLY LOW RELATIVE HUMIDITY BELOW 35 PERCENT...

THE NATIONAL WEATHER SERVICE IN MOBILE MAINTAINS THE RED FLAG WARNING
FOR THE REMAINDER OF THE AFTERNOON. THE FIRE WEATHER WATCH FOR FRIDAY
HAS BEEN UPGRADED TO A RED FLAG WARNING. 

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST THROUGH THE REMAINDER OF THE AFTERNOON AND AGAIN ON FRIDAY. A
COMBINATION OF NORTHERLY WINDS FROM 10 TO 15 MPH AND LOW HUMIDITIES
RANGING FROM 28 TO 33 PERCENT IS CONDUCIVE FOR THE GROWTH AND SPREAD
OF WILDFIRE TODAY. SIMILAR CONDITIONS ARE ANTICIPATED FRIDAY. 


$$

ALZ051>064-112300-
/O.CON.KMOB.FW.W.0067.000000T0000Z-071011T2300Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-
141 PM CDT THU OCT 11 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS
AFTERNOON FOR SOUTHWEST ALABAMA DUE TO CRITICALLY LOW RELATIVE
HUMIDITY VALUES AND 20 FOOT WINDS OF 10 MPH OR GREATER...

THE NATIONAL WEATHER SERVICE IN MOBILE MAINTAINS THE RED FLAG WARNING
FOR THE REMAINDER OF THE AFTERNOON.  

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST THROUGH THE REMAINDER OF THE AFTERNOON. A COMBINATION
OF NORTHERLY WINDS FROM 10 TO 15 MPH AND LOW HUMIDITIES RANGING FROM
28 TO 33 PERCENT IS CONDUCIVE FOR THE GROWTH AND SPREAD OF WILDFIRE.

$$
3 follow-up statements
000 
WWUS84 KMOB 120444
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1144 PM CDT THU OCT 11 2007

...A RED FLAG WARNING IS NOW IN EFFECT FOR FRIDAY AFTERNOON ACROSS
THE WESTERN FLORIDA PANHANDLE DUE TO THE EXPECTED OCCURRENCE OF
CRITICALLY LOW RELATIVE HUMIDITY BELOW 35 PERCENT...

.A DRY AIRMASS HOLDS THROUGH THE END OF THE WEEK.

FLZ001>006-008-121245-
/O.CON.KMOB.FW.W.0068.071012T1700Z-071012T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
1144 PM CDT THU OCT 11 2007

...RED FLAG WARNING REMAINS IN EFFECT FROM 12 PM TO 6 PM CDT
FRIDAY...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
FORECAST THROUGH THE REMAINDER OF THE AFTERNOON AND AGAIN ON FRIDAY.
A COMBINATION OF NORTHERLY WINDS FROM 10 TO 15 MPH AND LOW HUMIDITIES
RANGING FROM 28 TO 33 PERCENT IS CONDUCIVE FOR THE GROWTH AND SPREAD
OF WILDFIRE TODAY. SIMILAR CONDITIONS ARE ANTICIPATED FRIDAY.

$$
000 
WWUS84 KMOB 121124
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
624 AM CDT FRI OCT 12 2007

...A RED FLAG WARNING IS IN EFFECT THIS AFTERNOON FOR THE WESTERN
FLORIDA PANHANDLE DUE TO LONG DURATION OF RELATIVE HUMIDITY BELOW
35 PERCENT...

...A FIRE WEATHER WATCH IS IN EFFECT FOR SATURDAY AFTERNOON FOR
THE INLAND PORTION OF THE WESTERN FLORIDA PANHANDLE DUE TO
MARGINAL DURATION OF RELATIVE HUMIDITY BELOW 35 PERCENT...

.DISCUSSION...A DRY AIRMASS REMAINS IN PLACE OVER THE REGION
THROUGH THE WEEKEND.

FLZ001-003-005-121930-
/O.NEW.KMOB.FW.A.0056.071013T1700Z-071014T0000Z/
/O.EXT.KMOB.FW.W.0068.071012T1700Z-071013T0000Z/
INLAND ESCAMBIA-INLAND SANTA ROSA-INLAND OKALOOSA-
624 AM CDT FRI OCT 12 2007

...RED FLAG WARNING NOW IN EFFECT FROM NOON TODAY TO 7 PM CDT
THIS EVENING...
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING. A RED FLAG WARNING IS IN EFFECT FROM NOON TODAY TO
7 PM CDT THIS EVENING.

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

$$

FLZ002-004-006-008-121930-
/O.EXT.KMOB.FW.W.0068.071012T1700Z-071013T0000Z/
COASTAL ESCAMBIA-COASTAL SANTA ROSA-COASTAL OKALOOSA-
COASTAL WALTON-
624 AM CDT FRI OCT 12 2007

...RED FLAG WARNING NOW IN EFFECT FROM NOON TODAY TO 7 PM CDT
THIS EVENING...

THE RED FLAG WARNING IS NOW IN EFFECT FROM NOON TODAY TO 7 PM CDT
THIS EVENING. 

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

$$
000 
WWUS84 KMOB 121846
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
146 PM CDT FRI OCT 12 2007

...A RED FLAG WARNING IS IN EFFECT THIS AFTERNOON FOR THE WESTERN
FLORIDA PANHANDLE DUE TO LONG DURATION OF RELATIVE HUMIDITY BELOW
35 PERCENT...

...A FIRE WEATHER WATCH IS IN EFFECT FOR SATURDAY AFTERNOON FOR
THE INLAND PORTION OF THE WESTERN FLORIDA PANHANDLE DUE TO
MARGINAL DURATION OF RELATIVE HUMIDITY BELOW 35 PERCENT...

.DISCUSSION...A DRY AIRMASS REMAINS IN PLACE OVER THE REGION
THROUGH THE WEEKEND.

FLZ001-003-005-130300-
/O.CON.KMOB.FW.W.0068.000000T0000Z-071013T0000Z/
/O.CON.KMOB.FW.A.0056.071013T1700Z-071014T0000Z/
INLAND ESCAMBIA-INLAND SANTA ROSA-INLAND OKALOOSA-
146 PM CDT FRI OCT 12 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING.
A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING. 

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

$$

FLZ002-004-006-008-130000-
/O.CON.KMOB.FW.W.0068.000000T0000Z-071013T0000Z/
COASTAL ESCAMBIA-COASTAL SANTA ROSA-COASTAL OKALOOSA-
COASTAL WALTON-
146 PM CDT FRI OCT 12 2007

...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.

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 11, 4:42 AM CDTFire Weather WatchMOBWalton9 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.