Alert archive / Florida / Red Flag Warnings in 2006

Red Flag Warning 83, NWS Mobile, AL

December 4, 2006Walton County, Florida

NWS Mobile, AL issued this red flag warning at Dec 4, 2006, 12:31 PM CST for Walton County, Florida. It took effect at Dec 5, 2006, 9:00 AM CST. It was in force for 9 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 4, 2006, 12:31 PM CST (18:31 UTC)
In effect from
Dec 5, 2006, 9:00 AM CST
Expired
Dec 5, 2006, 6:00 PM CST
In force
9 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 18:34 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, 6.5 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 2006-12-04Temperature 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 2006-12-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -117 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
1474 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
-117 m²/s²
0-3 km storm-relative helicity
98 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 041831
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1231 PM CST MON DEC 4 2006

...A RED FLAG WARNING REMAINS IN EFFECT THROUGH 6 PM CST MONDAY ACROSS ALL
OF THE WESTERN FLORIDA PANHANDLE FOR EXPECTED LONG DURATIONS OF
CRITICALLY LOW RELATIVE HUMIDITIES WELL BELOW 35 PERCENT...

...A RED FLAG WARNING IS NOW IN EFFECT FROM 10 AM CST TO 5 PM CST TUESDAY
ACROSS ALL OF THE WESTERN FLORIDA PANHANDLE FOR EXPECTED LONG
DURATIONS OF CRITICALLY LOW RELATIVE HUMIDITIES WELL BELOW 35 PERCENT...

.STRONG HIGH PRESSURE BUILDS OVER THE CENTRAL GULF COAST REGION
THROUGH MUCH OF THE WEEK. LOWEST AFTERNOON RELATIVE HUMIDITIES FALL
TO WITHIN CRITICAL LEVELS MONDAY AND TUESDAY.

FLZ001>006-008-050000-
/O.UPG.KMOB.FW.A.0068.061205T1600Z-061206T0000Z/
/O.NEW.KMOB.FW.W.0083.061205T1600Z-061205T2300Z/
/O.CON.KMOB.FW.W.0082.000000T0000Z-061205T0000Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
1231 PM CST MON DEC 4 2006

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON ACROSS ALL OF THE WESTERN FLORIDA PANHANDLE FOR EXPECTED LONG
DURATIONS OF CRITICALLY LOW RELATIVE HUMIDITIES WELL BELOW 35
PERCENT...
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 5 PM CST TUESDAY ACROSS ALL 
OF THE WESTERN FLORIDA PANHANDLE FOR EXPECTED LONG DURATIONS OF CRITICALLY
LOW RELATIVE HUMIDITIES WELL BELOW 35 PERCENT...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM TO 5 PM CST TUESDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. A RED FLAG WARNING
REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. 

LOWEST RELATIVE HUMIDITIES ARE FORECAST TO DROP TO WITHIN A RANGE
FROM 15 TO 25 PERCENT MONDAY AND TUESDAY. THE VERY LOW RELATIVE
HUMIDITY VALUES WILL LIKELY RESULT IN DANGEROUS WILDFIRE POTENTIAL.


$$
2 follow-up statements
000 
WWUS84 KMOB 051237
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
637 AM CST TUE DEC 5 2006

...A RED FLAG WARNING IS IN EFFECT FROM 9 AM TO 6 PM CST TODAY FOR 
THE WESTERN FLORIDA PANHANDLE FOR EXPECTED LONG DURATIONS OF 
CRITICALLY LOW RELATIVE HUMIDITIES WELL BELOW 35 PERCENT...

.STRONG HIGH PRESSURE AND VERY DRY AIR WILL REMAIN ACROSS THE AREA
AGAIN TODAY. LOWEST AFTERNOON RELATIVE HUMIDITIES WILL FALL WELL
BELOW CRITICAL LEVELS ACROSS THE WESTERN FLORIDA PANHANDLE.


FLZ001>006-008-052045-
/O.EXT.KMOB.FW.W.0083.061205T1500Z-061206T0000Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
637 AM CST TUE DEC 5 2006

...RED FLAG WARNING NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON...

LOWEST RELATIVE HUMIDITIES ARE FORECAST TO DROP TO AROUND 20 PERCENT
AGAIN TODAY. THE VERY LOW RELATIVE HUMIDITY VALUES WILL LIKELY
RESULT IN DANGEROUS WILDFIRE POTENTIAL.

$$
000 
WWUS84 KMOB 051947
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
147 PM CST TUE DEC 5 2006

...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON 
FOR THE WESTERN FLORIDA PANHANDLE FOR LONG DURATIONS OF CRITICALLY
LOW RELATIVE HUMIDITIES WELL BELOW 35 PERCENT...

.STRONG HIGH PRESSURE AND VERY DRY AIR CONTINUES TO INFLUENCE THE
LOCAL WEATHER THIS AFTERNOON. CRITICALLY LOW DAYTIME RELATIVE
HUMIDITIES PERSIST ACROSS THE WESTERN FLORIDA PANHANDLE.

FLZ001>006-008-060000-
/O.CON.KMOB.FW.W.0083.000000T0000Z-061206T0000Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
147 PM CST TUE DEC 5 2006

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON FOR THE WESTERN FLORIDA PANHANDLE FOR EXPECTED LONG 
DURATIONS OF CRITICALLY LOW RELATIVE HUMIDITIES WELL BELOW 35 PERCENT...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

LATEST OBSERVATIONS INDICATE THE OCCURRENCE OF A VERY DRY AIRMASS AS
LOWEST DAYTIME HUMIDITIES RANGE FROM 15 TO 20 PERCENT OVER MOST
LOCALES OVER THE WESTERN FLORIDA PANHANDLE.  

THESE VERY LOW RELATIVE HUMIDITY VALUES WILL LIKELY RESULT IN DANGEROUS
WILDFIRE POTENTIAL.


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 4, 4:15 AM CSTFreeze WarningMOB27 hr

Nearby

Red Flag Warnings in Florida, 2006Every 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.