Alert archive / Florida / Red Flag Warnings in 2011

Red Flag Warning 70, NWS Tallahassee, FL

June 6, 20116 counties in Florida

NWS Tallahassee, FL issued this red flag warning at Jun 6, 2011, 3:15 AM CDT for 6 counties in Florida. It took effect at Jun 6, 2011, 1:00 PM CDT. It was in force for 5 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
Jun 6, 2011, 3:15 AM CDT (08:15 UTC)
In effect from
Jun 6, 2011, 1:00 PM CDT
Expired
Jun 6, 2011, 6:00 PM CDT
In force
5 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 08:19 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, 8.3 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 00:00Z on 2011-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3760 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 00:00Z on 2011-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
3760 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
1218 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
97 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.

664 
WWUS82 KTAE 060815
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
415 AM EDT MON JUN 6 2011

...A RED FLAG WARNING IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 6
PM CDT THIS EVENING FOR THE INLAND FLORIDA PANHANDLE DUE TO LONG
DURATIONS OF LOW HUMIDITY COMBINED WITH ERC VALUES GREATER THAN
35...

.THE LOW LEVEL MOISTURE WILL GRADUALLY INCREASE ACROSS THE REGION
DURING THE UPCOMING WORK WEEK ALLOWING AFTERNOON RELATIVE HUMIDITIES
TO CLIMB A LITTLE BIT HIGHER EACH DAY. HOWEVER...FOR TODAY ANY
PRECIPITATION WILL AGAIN LIKELY DEVELOP LATE IN THE DAY. THIS WILL
FAVOR AT LEAST FOUR HOURS OF HUMIDITIES BELOW 35 PERCENT ACROSS
THE INLAND FLORIDA PANHANDLE. THIS COMBINED WITH HIGH ERC VALUES
HAS RESULTED IN A RED FLAG WARNING HOISTED FOR THIS AREA. HUMIDITIES
SHOULD REMAIN TOO MOIST FOR RED FLAG CONDITIONS ON TUESDAY.

FLZ007>013-062300-
/O.NEW.KTAE.FW.W.0070.110606T1800Z-110606T2300Z/
INLAND WALTON-CENTRAL WALTON-HOLMES-WASHINGTON-JACKSON-INLAND BAY-
CALHOUN-
315 AM CDT MON JUN 6 2011

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM
CDT THIS EVENING FOR LONG DURATIONS OF LOW HUMIDITY COMBINED
WITH ERC VALUES GREATER THAN 35...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM CDT
THIS EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY
WILL ENHANCE FIRE GROWTH POTENTIAL.

&&

$$

BLOCK

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 5, 7:02 PM CDTSpecial Weather StatementTAELeon28 min
Jun 5, 7:12 PM CDTSpecial Weather StatementTAELeon33 min
Jun 5, 7:40 PM CDTSpecial Weather StatementTAELeon50 min
Jun 6, 3:22 PM CDTSpecial Weather StatementTAEGilchrist38 min
Jun 6, 3:29 PM CDTSpecial Weather StatementTAELiberty31 min
Jun 6, 3:37 PM CDTSpecial Weather StatementTAETaylor38 min
Jun 6, 3:40 PM CDTSevere Thunderstorm WarningTAEDixie, Lafayette50 min
Jun 6, 3:56 PM CDTSevere Thunderstorm WarningTAETaylor49 min
Jun 6, 4:03 PM CDTSevere Thunderstorm WarningTAELafayette42 min
Jun 6, 4:36 PM CDTSevere Thunderstorm WarningTAEDixie, Lafayette, Taylor39 min
Jun 6, 4:54 PM CDTSevere Thunderstorm WarningTAETaylor36 min
Jun 6, 5:26 PM CDTSevere Thunderstorm WarningTAETaylor34 min
Jun 6, 6:13 PM CDTSpecial Marine WarningTAE62 min

Nearby

Red Flag Warnings in Florida, 2011Every red flag warning in 2011

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.