Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 84, NWS Mobile, AL

December 23, 2007Walton County, Florida

NWS Mobile, AL issued this red flag warning at Dec 23, 2007, 1:58 PM CST for Walton County, Florida. It took effect at Dec 24, 2007, 10:00 AM CST. 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
Dec 23, 2007, 1:58 PM CST (19:58 UTC)
In effect from
Dec 24, 2007, 10:00 AM CST
Expired
Dec 24, 2007, 5:00 PM CST
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 20:01 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, 8.0 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 12:00Z on 2007-12-23Temperature 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 2007-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 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
926 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
135 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 231958
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
158 PM CST SUN DEC 23 2007

...A RED FLAG WARNING IS IN EFFECT FROM 10 AM TO 5 PM CST MONDAY FOR
A SUSTAINED PERIOD OF LOW SURFACE HUMIDITY OVER THE WEST FLORIDA
PANHANDLE...

.DISCUSSION...COOLER AND DRIER AIR HAS FOLLOWED LAST NIGHTS COLD
FRONT SOUTH ACROSS THE AREA. AFTER MONDAY MORNING TEMPERATURES NEAR
OR BELOW FREEZING OVER MOST OF THE AREA...SURFACE HUMIDITY WILL DROP
BELOW 35 PERCENT BY MONDAY AFTERNOON. A RED FLAG WARNING IS UP FOR
THE FLORIDA PANHANDLE.

FLZ001>006-008-241200-
/O.UPG.KMOB.FW.A.0075.071224T1600Z-071225T0000Z/
/O.NEW.KMOB.FW.W.0084.071224T1600Z-071224T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
158 PM CST SUN DEC 23 2007

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 5 PM CST MONDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM TO 5 PM CST MONDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

RELATIVE HUMIDITIES WILL DROP BELOW 35 PERCENT BY LATE MONDAY
MORNING AND RETURN ABOVE 35 PERCENT BY SUNSET.

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 241230
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
630 AM CST MON DEC 24 2007

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 5 PM CST
THIS AFTERNOON FOR THE NORTHEAST FLORIDA PANHANDLE...

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY AFTERNOON FOR THE NORTHWEST FLORIDA PANHANDLE...

.DISCUSSION...COOLER AND DRIER AIR WILL REMAIN OVER THE REGION
THROUGH TUESDAY THEN A MOISTENING TREND FOLLOWS FOR THE REMAINDER OF
THE WEEK. RELATIVE HUMIDITIES WILL DROP BELOW 35 PERCENT THIS
AFTERNOON AND TUESDAY AFTERNOON. A RED FLAG WARNING IS IN EFFECT
TODAY AND A FIRE WEATHER WATCH IS IN EFFECT TUESDAY FOR THE NORTHWEST
FLORIDA PANHANDLE.

FLZ001>006-008-250430-
/O.NEW.KMOB.FW.A.0076.071225T1700Z-071225T2300Z/
/O.CON.KMOB.FW.W.0084.071224T1600Z-071224T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
630 AM CST MON DEC 24 2007

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
5 PM CST THIS AFTERNOON...
...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY
AFTERNOON. A RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 5 PM CST THIS AFTERNOON. 

RELATIVE HUMIDITIES WILL DROP BELOW 35 PERCENT BY LATE MONDAY
MORNING AND RETURN ABOVE 35 PERCENT BY SUNSET EACH DAY.

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 242022
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
222 PM CST MON DEC 24 2007

...RED FLAG WARNING IN EFFECT FROM UNTIL 5 PM CST THIS AFTERNOON FOR
THE WESTERN FLORIDA PANHANDLE...

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY AFTERNOON FOR THE WESTERN FLORIDA PANHANDLE...

.DISCUSSION...A TROUGH OF LOW PRESSURE WILL PASS THROUGH THE AREA ON
CHRISTMAS DAY. RELATIVE HUMIDITIES WILL APPROACH CRITICAL VALUES
AGAIN ON TUESDAY...BUT ARE EXPECTED TO ONLY COVER A SMALL AREA. WILL
STILL LEAVE A WATCH UP FOR THE WESTERN PANHANDLE AND SEE IF LATER
MODEL RUNS CONTINUE TO INCREASE THE DEW POINT TEMPERATURES ACROSS THE
PANHANDLE. IF THEY DO...THE WATCH CAN BE DROPPED FOR TUESDAY. IF
NOT...LATER SHIFTS WILL HAVE TO ADD A RED FLAG FOR THE AREA ON TUESDAY.

FLZ001>006-008-251230-
/O.CON.KMOB.FW.W.0084.000000T0000Z-071224T2300Z/
/O.CON.KMOB.FW.A.0076.071225T1700Z-071225T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
222 PM CST MON DEC 24 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY MORNING
THROUGH TUESDAY AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY
MORNING THROUGH TUESDAY AFTERNOON. 

RELATIVE HUMIDITIES WILL REMAIN BELOW 35 UNTIL AROUND 500 THIS
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.

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, 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.