Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 37, NWS Mobile, AL

April 8, 2007Walton County, Florida

NWS Mobile, AL issued this red flag warning at Apr 8, 2007, 6:05 AM CDT for Walton County, Florida. It took effect at Apr 8, 2007, 10:00 AM CDT. It was in force for 8 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
Apr 8, 2007, 6:05 AM CDT (11:05 UTC)
In effect from
Apr 8, 2007, 10:00 AM CDT
Expired
Apr 8, 2007, 6:00 PM CDT
In force
8 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 11:07 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, 11.1 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 2007-04-08Temperature 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 2007-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.1939587897117Sfc1 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
2727 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
138 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 081105
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
605 AM CDT SUN APR 8 2007

...RED FLAG WARNING CONTINUES THROUGH 7 PM CDT THIS EVENING FOR
THE WESTERN FLORIDA PANHANDLE DUE TO EXPECTED LONG DURATIONS OF LOW
RELATIVE HUMIDITY BELOW 25 PERCENT...

...THE FIRE WEATHER WATCH FOR SOUTHWEST ALABAMA HAS BEEN CANCELLED
DUE TO WINDS NOT EXPECTED TO RISE TO CRITERIA LEVELS...

.DISCUSSION...A VERY DRY AIRMASS WILL REMAIN IN PLACE ACROSS
SOUTH ALABAMA AND THE WESTERN FLORIDA PANHANDLE THROUGH SATURDAY.
LOWEST DAYTIME RELATIVE HUMIDITIES ARE FORECAST TO BE WITHIN
CRITICAL FIRE GROWTH THRESHOLDS THROUGH THE REMAINDER OF THE DAY
AND AGAIN FOR SATURDAY.

ALZ051>064-081215-
/O.CAN.KMOB.FW.A.0029.070408T1500Z-070408T2300Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-
605 AM CDT SUN APR 8 2007

...FIRE WEATHER WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE FIRE
WEATHER WATCH. 

THOUGH RELATIVE HUMIDITY LEVELS ARE EXPECTED TO DROP TO WELL BELOW 35
PERCENT TODAY...20 FOOT WINDS ARE NOT EXPECTED TO RISE ABOVE 12 MPH
TODAY. THUS THE FIRE WEATHER WATCH FOR SOUTHWEST ALABAMA HAS BEEN
CANCELLED. 

$$

FLZ001>006-008-081915-
/O.UPG.KMOB.FW.A.0029.070408T1500Z-070408T2300Z/
/O.NEW.KMOB.FW.W.0037.070408T1500Z-070408T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
605 AM CDT SUN APR 8 2007

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CDT
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CDT
THIS AFTERNOON. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

LOWEST DAYTIME RELATIVE HUMIDITIES ARE FORECAST TO DROP TO AROUND 25
PERCENT OR LESS FOR SEVERAL HOURS THIS AFTERNOON.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST. VERY LOW RELATIVE HUMIDITY THIS AFTERNOON WILL CREATE
CONDITIONS THAT INCREASE FIRE GROWTH POTENTIAL.


$$

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.