Alert archive / Florida / Red Flag Warnings in 2006

Red Flag Warning 76, NWS Mobile, AL

November 18, 2006Walton County, Florida

NWS Mobile, AL issued this red flag warning at Nov 18, 2006, 4:59 AM CST for Walton County, Florida. It took effect at Nov 18, 2006, 11:00 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: Nov 18, 2006, 4:59 AM CST (10:59 UTC)
In effect from: Nov 18, 2006, 11:00 AM CST
Expired: Nov 18, 2006, 6:00 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 10:58 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, 11.0 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1344 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: -34 m²/s²
0-3 km storm-relative helicity: 0 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 181059
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
459 AM CST SAT NOV 18 2006

...THE FIRE WEATHER WATCH FOR THIS AFTERNOON OVER THE WESTERN
FLORIDA PANHANDLE HAS BEEN CANCELED...

...A FIRE WEATHER WATCH IS IN EFFECT SATURDAY AFTERNOON ACROSS THE
WESTERN FLORIDA PANHANDLE FOR THE POTENTIAL OF LONG DURATIONS OF LOW
RELATIVE HUMIDITY BELOW 35 PERCENT...

.A DRY AIRMASS WILL CONTINUE TO FILTER ACROSS THE CENTRAL GULF
COAST REGION TODAY ON LIGHT NORTHWEST WINDS. THE LOWEST RELATIVE
HUMIDITY VALUES ACROSS THE WESTERN FLORIDA PANHANDLE WILL BE
AROUND 30 PERCENT THIS AFTERNOON...HOWEVER THE RELATIVE HUMIDITY WILL
NOT FALL BELOW 35 PERCENT FOR MORE THAN 3 HOURS. FOR
SATURDAY...WARMER DAYTIME TEMPERATURES IN THE MIDDLE AND UPPER 60S
WILL RESULT IN A DRIER AIRMASS...AND LONGER DURATIONS OF LOW RELATIVE
HUMIDITY BELOW 35 PERCENT.

FLZ001>006-008-181900-
/O.UPG.KMOB.FW.A.0062.061118T1700Z-061119T0000Z/
/O.NEW.KMOB.FW.W.0076.061118T1700Z-061119T0000Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
459 AM CST SAT NOV 18 2006

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CST
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CST
THIS AFTERNOON. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

TEMPERATURES WILL WARM ENOUGH TODAY TO ALLOW RELATIVE HUMIDITY
VALUES TO FALL BELOW 35 PERCENT FOR MORE THAN FOUR HOURS 
THIS AFTERNOON.

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, 2006 Every red flag warning in 2006

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.