Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 52, NWS Melbourne, FL

June 23, 20074 counties in Florida

NWS Melbourne, FL issued this red flag warning at Jun 23, 2007, 12:15 PM EDT for 4 counties in Florida. 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
Jun 23, 2007, 12:15 PM EDT (16:15 UTC)
Expired
Jun 23, 2007, 6:00 PM EDT
In force
6 hr
Issued by
NWS Melbourne, FL

Counties Lake County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL

The radar

The Melbourne radar (KMLB), 61 km from the middle of the area, began a volume at 16:21 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 4.3 hours before the alert went out and 82 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, Cape Canaveral, FL at 12:00Z on 2007-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1167 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, Cape Canaveral, FL at 12:00Z on 2007-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
1167 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
774 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
-16 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 KMLB 231615
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
1215 PM EDT SAT JUN 23 2007

...DRY CONDITIONS ACROSS THE INTERIOR COUNTIES THIS AFTERNOON...

FLZ044-045-053-058-144-232200-
/O.NEW.KMLB.FW.W.0052.070623T1615Z-070623T2200Z/
NORTHERN LAKE-ORANGE-OSCEOLA-OKEECHOBEE-SOUTHERN LAKE-
1215 PM EDT SAT JUN 23 2007

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

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 6 PM EDT THIS AFTERNOON. 

DRY CONDITIONS HAVE DEVELOPED ACROSS THE INTERIOR COUNTIES OF
CENTRAL FLORIDA AND ARE EXPECTED TO CONTINUE THROUGH MUCH OF THE
AFTERNOON. THE DRIEST CONDITIONS WILL BE LOCATED ALONG A LINE
STRETCHING FROM LEESBURG...THROUGH ORLANDO AND KISSIMMEE AND
TOWARDS OKEECHOBEE. ALTHOUGH WINDS WILL BE LIGHT AND THE RAPID
SPREAD OF WILDFIRES IS NOT ANTICIPATED...THE THREAT FOR FIRE
IGNITION WILL BE ELEVATED. CONDITIONS ARE EXPECTED TO IMPROVE BY
EARLY EVENING AS MOISTURE MOVES IN ALONG THE SEA BREEZE.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS...
LONG DURATIONS OF LOW RELATIVE HUMIDITY OR A COMBINATION OF LOW
RELATIVE HUMIDITY AND STRONG WINDS...ARE EITHER OCCURRING NOW...
OR ARE FORECAST TO OCCUR IN THE NEXT 24 HOURS.

$$

HIRSCH

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.