Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 41, NWS Mobile, AL

April 16, 2007Walton County, Florida

NWS Mobile, AL issued this red flag warning at Apr 16, 2007, 1:35 PM CDT for Walton County, Florida. It took effect at Apr 17, 2007, 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
Apr 16, 2007, 1:35 PM CDT (18:35 UTC)
In effect from
Apr 17, 2007, 12:00 PM CDT
Expired
Apr 17, 2007, 6:00 PM CDT
In force
6 hr
Issued by
NWS Mobile, AL

County Walton County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.6 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 2007-04-16Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2007-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 square meters per square second.1939587897117136Sfc1 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
1727 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
85 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 161835
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
135 PM CDT MON APR 16 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT TODAY OVER
THE WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION OF CRITICALLY
LOW RELATIVE HUMIDITY VALUES...

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT TODAY OVER
SOUTH CENTRAL ALABAMA DUE TO A LONG DURATION OF CRITICALLY LOW 
RELATIVE HUMIDITY VALUES...

...RED FLAG WARNING NOW IN EFFECT FROM NOON TO 6 PM CDT TUESDAY
OVER THE WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION OF 
CRITICALLY LOW RELATIVE HUMIDITY VALUES...

.A DRY AIRMASS WILL CONTINUE ACROSS THE AREA THROUGH EARLY TUESDAY
BEFORE MOISTURE BEGINS INCREASING BY TUESDAY AFTERNOON AHEAD OF AN
APPROACHING COLD FRONT. CRITICALLY LOW RELATIVE HUMIDITY VALUES ARE
EXPECTED TUESDAY ACROSS ALL OF NORTHWEST FLORIDA. A CHANCE OF RAIN
SHOWERS OR THUNDERSTORMS ARE EXPECTED LATE TUESDAY NIGHT INTO
WEDNESDAY.


FLZ001>006-008-170245-
/O.UPG.KMOB.FW.A.0032.070417T1700Z-070417T2300Z/
/O.NEW.KMOB.FW.W.0041.070417T1700Z-070417T2300Z/
/O.CON.KMOB.FW.W.0040.000000T0000Z-070416T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
135 PM CDT MON APR 16 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS
AFTERNOON...
...RED FLAG WARNING IN EFFECT FROM 12 PM TO 6 PM CDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 12 PM TO 6 PM CDT TUESDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. A RED FLAG WARNING
REMAINS IN EFFECT UNTIL 6 PM CDT 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.

$$

ALZ056>060-162300-
/O.CON.KMOB.FW.W.0040.000000T0000Z-070416T2300Z/
CONECUH-BUTLER-CRENSHAW-ESCAMBIA-COVINGTON-
135 PM CDT MON APR 16 2007

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

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT 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.

$$
1 follow-up statement
000 
WWUS84 KMOB 170856
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
356 AM CDT TUE APR 17 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT TODAY OVER
THE WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION OF
CRITICALLY LOW RELATIVE HUMIDITY VALUES...

.A DRY AIRMASS WILL CONTINUE ACROSS THE AREA THROUGH EARLY T0DAY
BEFORE MOISTURE BEGINS INCREASING BY THIS AFTERNOON AHEAD OF AN
APPROACHING COLD FRONT. CRITICALLY LOW RELATIVE HUMIDITY VALUES ARE
EXPECTED TUESDAY ACROSS ALL OF NORTHWEST FLORIDA. A CHANCE OF RAIN
SHOWERS OR THUNDERSTORMS ARE EXPECTED LATE TUESDAY NIGHT INTO
WEDNESDAY.

FLZ001>006-008-172000-
/O.CON.KMOB.FW.W.0041.070417T1700Z-070417T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
356 AM CDT TUE APR 17 2007

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

A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM CDT
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, 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.