Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 6, NWS Mobile, AL

January 30, 2007Walton County, Florida

NWS Mobile, AL issued this red flag warning at Jan 30, 2007, 6:40 AM CST for Walton County, Florida. It took effect at Jan 30, 2007, 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: Jan 30, 2007, 6:40 AM CST (12:40 UTC)
In effect from: Jan 30, 2007, 9:00 AM CST
Expired: Jan 30, 2007, 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 12:41 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, 0.7 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: 1854 m above ground
0-6 km bulk shear: 94 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 66 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 301240
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
640 AM CST TUE JAN 30 2007

...A RED FLAG WARNING IS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON
FOR THE NORTHWEST FLORIDA PANHANDLE COUNTIES OF ESCAMBIA...SANTA
ROSA...OKALOOSA AND COASTAL WALTON DUE TO LONG DURATION OF LOW
RELATIVE HUMIDITY...

.DRY HIGH PRESSURE OVER THE REGION WILL RESULT IN RELATIVE
HUMIDITIES DROPPING BELOW CRITICAL LEVELS FOR A LONG DURATION TODAY.
ATMOSPHERIC MOISTURE INCREASES TONIGHT THROUGH WEDNESDAY AS A LOW
PRESSURE SYSTEM APPROACHES FROM THE SOUTHERN PLAINS. THE LOW
PRESSURE SYSTEM WILL MOVE ACROSS THE REGION ON THURSDAY ACCOMPANIED
BY WIDESPREAD SHOWERS AND A FEW THUNDERSTORMS. AFTERNOON RELATIVE
HUMIDITIES WILL REMAIN ABOVE CRITICAL LEVELS FROM WEDNESDAY THROUGH
SATURDAY.

FLZ001>006-008-302045-
/O.NEW.KMOB.FW.W.0006.070130T1500Z-070131T0000Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
640 AM CST TUE JAN 30 2007

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 6 PM CST 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 302034
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
234 PM CST TUE JAN 30 2007

...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON FOR THE WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION
OF LOW RELATIVE HUMIDITY BELOW 35 PERCENT...

.DRY HIGH PRESSURE OVER THE REGION WILL RESULT IN RELATIVE
HUMIDITIES DROPPING BELOW CRITICAL LEVELS FOR A LONG DURATION
TODAY. ATMOSPHERIC MOISTURE INCREASES TONIGHT THROUGH WEDNESDAY
AS A LOW PRESSURE SYSTEM APPROACHES FROM THE SOUTHERN PLAINS. THE
LOW PRESSURE SYSTEM WILL MOVE ACROSS THE REGION ON THURSDAY
ACCOMPANIED BY WIDESPREAD SHOWERS AND A FEW THUNDERSTORMS.
AFTERNOON RELATIVE HUMIDITIES WILL REMAIN ABOVE CRITICAL LEVELS
FROM WEDNESDAY THROUGH SATURDAY.

FLZ001>006-008-310000-
/O.CON.KMOB.FW.W.0006.000000T0000Z-070131T0000Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
234 PM CST TUE JAN 30 2007

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

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST 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, 2007 Every 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.