Alert archive / Florida / Red Flag Warnings in 2008

Red Flag Warning 71, NWS Mobile, AL

November 1, 2008Walton County, Florida

NWS Mobile, AL issued this red flag warning at Nov 1, 2008, 2:54 AM CDT for Walton County, Florida. It took effect at Nov 1, 2008, 12:00 PM CDT. It was in force for 6 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
Nov 1, 2008, 2:54 AM CDT (07:54 UTC)
In effect from
Nov 1, 2008, 12:00 PM CDT
Expired
Nov 1, 2008, 6:00 PM CDT
In force
6 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 07:55 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 00:00Z, 7.9 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 00:00Z on 2008-11-01Temperature 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 00:00Z on 2008-11-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 square meters per square second.1939Sfc1 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
1417 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
-28 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 010754
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
254 AM CDT SAT NOV 1 2008

...A RED FLAG WARNING IS IN EFFECT TODAY UNTIL 6 PM THIS AFTERNOON
FOR THE WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION OF LOW
RELATIVE HUMIDITY...

.DRY CONDITIONS ARE FORECAST TO CONTINUE OVER MUCH OF THE FORECAST AREA
TODAY AS STRONG HIGH PRESSURE CONTINUES OVER THE CENTRAL GULF COAST
REGION. HIGHER HUMIDITIES VALUES CAN BE EXPECTED ON SUNDAY AS INCREASED
LOW LEVEL MOISTURE MOVES WESTWARD OVER THE REGION.

FLZ001>006-008-012300-
/O.UPG.KMOB.FW.A.0063.081101T1800Z-081101T2200Z/
/O.NEW.KMOB.FW.W.0071.081101T1700Z-081101T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
254 AM CDT SAT NOV 1 2008

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM CDT THIS
AFTERNOON.

.DRY CONDITIONS ARE FORECAST TO CONTINUE OVER MUCH OF THE FORECAST AREA
TODAY AS STRONG HIGH PRESSURE CONTINUES OVER THE CENTRAL GULF COAST
REGION. HIGHER HUMIDITIES VALUES CAN BE EXPECTED ON SUNDAY AS
INCREASED LOW LEVEL MOISTURE MOVES WESTWARD OVER THE REGION. 

A 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.

$$

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.