Alert archive / Florida / Red Flag Warnings in 2008

Red Flag Warning 11, NWS Mobile, AL

January 28, 2008Walton County, Florida

NWS Mobile, AL issued this red flag warning at Jan 28, 2008, 6:20 AM CST for Walton County, Florida. It took effect at Jan 28, 2008, 11:00 AM CST. It was in force for 5 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
Jan 28, 2008, 6:20 AM CST (12:20 UTC)
In effect from
Jan 28, 2008, 11:00 AM CST
Expired
Jan 28, 2008, 3:46 PM CST
In force
5 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 12:23 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

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 0.3 hours before the alert went out and 35 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, Eglin AFB/Valpar, FL at 12:00Z on 2008-01-28Temperature 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, Eglin AFB/Valpar, FL at 12:00Z on 2008-01-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 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
3237 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
115 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 281220
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
620 AM CST MON JAN 28 2008

...A RED FLAG WARNING IS IN EFFECT FROM 11 AM THIS MORNING TO 5 PM
CST THIS AFTERNOON FOR A SUSTAINED PERIOD OF LOW HUMIDITY FOR
PORTIONS OF THE WESTERN FLORIDA PANHANDLE...

.DRY HIGH PRESSURE WILL CONTINUE TO MOVE EASTWARD ACROSS THE AREA
TODAY.  WARMER AFTERNOON TEMPERATURES WILL ALLOW RELATIVE HUMIDITY
VALUES TO FALL AT OR BELOW 35 PERCENT ACROSS MOST OF THE WESTERN
FLORIDA PANHANDLE FOR FOUR HOURS OR MORE.  COASTAL AREAS OF SOUTHERN
ESCAMBIA AND SANTA ROSA COUNTIES WILL NOT HAVE THE REQUIRED DURATION.

FLZ002-004-281330-
/O.CAN.KMOB.FW.A.0009.080128T1700Z-080128T2300Z/
COASTAL ESCAMBIA-COASTAL SANTA ROSA-
620 AM CST MON JAN 28 2008

...FIRE WEATHER WATCH IS CANCELLED...

DRY HIGH PRESSURE WILL CONTINUE TO MOVE EASTWARD ACROSS THE AREA
TODAY.  WARMER AFTERNOON TEMPERATURES WILL ALLOW RELATIVE HUMIDITY
VALUES TO FALL AT OR BELOW 35 PERCENT ACROSS MOST OF THE WESTERN
FLORIDA PANHANDLE FOR FOUR HOURS OR MORE. THEREFORE...THE NATIONAL
WEATHER SERVICE IN MOBILE HAS UPGRADED THE FIRE WEATHER WATCH TO A
RED FLAG WARNING ACROSS PORTIONS OF THE WESTERN FLORIDA PANHANDLE.

$$

FLZ001-003-005-006-008-282300-
/O.UPG.KMOB.FW.A.0009.080128T1700Z-080128T2300Z/
/O.NEW.KMOB.FW.W.0011.080128T1700Z-080128T2300Z/
INLAND ESCAMBIA-INLAND SANTA ROSA-INLAND OKALOOSA-
COASTAL OKALOOSA-COASTAL WALTON-
620 AM CST MON JAN 28 2008

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 5 PM CST
THIS AFTERNOON...

DRY HIGH PRESSURE WILL CONTINUE TO MOVE EASTWARD ACROSS THE AREA
TODAY.  WARMER AFTERNOON TEMPERATURES WILL ALLOW RELATIVE HUMIDITY
VALUES TO FALL AT OR BELOW 35 PERCENT ACROSS MOST OF THE WESTERN
FLORIDA PANHANDLE FOR FOUR HOURS OR MORE.

A RED FLAG WARNING MEANS THAT DANGEROUS FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR LIKELY WILL OCCUR. A COMBINATION OF
LOW RELATIVE HUMIDITY AND WARM TEMPERATURES WILL CREATE EXPLOSIVE
FIRE GROWTH POTENTIAL.

$$
1 follow-up statement
000 
WWUS84 KMOB 282146
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
ISSUED BY NATIONAL WEATHER SERVICE NEW ORLEANS LA
346 PM CST MON JAN 28 2008

...FIRE WEATHER WATCH REMAINS IN EFFECT UNTIL 5 PM...

.A DRY AIRMASS REMAINS IN PLACE THIS AFTERNOON.

FLZ001-003-005-006-008-282300-
/O.CAN.KMOB.FW.W.0011.000000T0000Z-080128T2300Z/
/O.NEW.KMOB.FW.A.0010.080128T2146Z-080128T2300Z/
INLAND ESCAMBIA-INLAND SANTA ROSA-INLAND OKALOOSA-
COASTAL OKALOOSA-COASTAL WALTON-
346 PM CST MON JAN 28 2008

...FIRE WEATHER WATCH IN EFFECT UNTIL 5 PM CST THIS AFTERNOON...
...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON. THE RED
FLAG WARNING HAS BEEN CANCELLED. 

LOW RELATIVE HUMIDITIES WILL CONTINUE THROUGH THE AFTERNOON HOURS. 

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

$$

32

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 28, 3:46 PM CSTFire Weather WatchMOBWalton74 min

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.