Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 113, NWS Tallahassee, FL

October 1, 20076 counties in Florida

NWS Tallahassee, FL issued this red flag warning at Oct 1, 2007, 2:03 PM CDT for 6 counties in Florida. It was in force for 4 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
Oct 1, 2007, 2:03 PM CDT (19:03 UTC)
Expired
Oct 1, 2007, 6:00 PM CDT
In force
4 hr
Issued by
NWS Tallahassee, FL

Counties Bay County, FL, Calhoun County, FL, Holmes County, FL, Jackson County, FL, Walton County, FL, Washington County, FL

The radar

The Eglin Afb radar (KEVX), 29 km from the middle of the area, began a volume at 19:00 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, 7.1 hours before the alert went out and 128 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 2007-10-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 joules per kilogram.LCLLFCEL10008507005003002001001 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 2007-10-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
6 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
1059 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
50 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 
WWUS82 KTAE 011903
RFWTAE

RED FLAG WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
303 PM EDT MON OCT 1 2007

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CDT THIS AFTERNOON FOR
INLAND SECTIONS OF THE FLORIDA PANHANDLE FOR LOW RELATIVE
HUMIDITIES...SUSTAINED 20FT WINDS OF AT LEAST 15 MPH AND HIGH
DISPERSION INDICES...

.THE LOCAL AREA REMAINS BETWEEN A HIGH PRESSURE RIDGE TO THE
NORTH AND A LOW PRESSURE CENTER TO THE SOUTH. THIS COMBINATION
CONTINUES TO GENERATE BREEZY AND RELATIVELY DRY NORTHEAST WINDS.
ON WEDNESDAY THE RIDGE WILL WEAKEN AS THE LOW MOVES SLOWLY WEST
RESULTING IN A MODEST DECREASE IN WINDS. GOOD TRANSPORT WINDS WILL
YIELD HIGH DISPERSION INDICES ON TUESDAY. MOISTURE AND RAIN
CHANCES WILL GRADUALLY INCREASE DURING THE MIDWEEK PERIOD AS THE
LOW MOVES WEST. RELATIVE HUMIDITY LEVELS WILL REMAIN ABOVE
CRITICAL VALUES THROUGH THE WEEK.

FLZ007-009>013-012300-
/O.NEW.KTAE.FW.W.0113.071001T1903Z-071001T2300Z/
INLAND WALTON-HOLMES-WASHINGTON-JACKSON-BAY-CALHOUN-
203 PM CDT MON OCT 1 2007

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

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS 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. THE LOW RELATIVE
HUMIDITY WILL ENHANCE FIRE GROWTH POTENTIAL.

$$


BLOCK

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; radar from the NEXRAD Level II archive.