Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 56, NWS Melbourne, FL

November 6, 20075 counties in Florida

NWS Melbourne, FL issued this red flag warning at Nov 6, 2007, 5:10 AM EST for 5 counties in Florida. It took effect at Nov 6, 2007, 12:00 PM EST. 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
Nov 6, 2007, 5:10 AM EST (10:10 UTC)
In effect from
Nov 6, 2007, 12:00 PM EST
Expired
Nov 6, 2007, 5:00 PM EST
In force
5 hr
Issued by
NWS Melbourne, FL

Counties Lake County, FL, Orange County, FL, Osceola County, FL, Seminole County, FL, Volusia County, FL

The radar

The Melbourne radar (KMLB), 86 km from the middle of the area, began a volume at 10:14 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 00:00Z, 10.2 hours before the alert went out and 81 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 00:00Z on 2007-11-06Temperature 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 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 00:00Z on 2007-11-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.193958Sfc1 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
1517 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
12 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 061010
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
510 AM EST TUE NOV 6 2007

FLZ041-044>046-053-144-062200-
/O.UPG.KMLB.FW.A.0041.071106T1700Z-071106T2200Z/
/O.NEW.KMLB.FW.W.0056.071106T1700Z-071106T2200Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
SOUTHERN LAKE-
510 AM EST TUE NOV 6 2007

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 5 PM EST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 5 PM EST THIS
AFTERNOON. 

LONG DURATIONS OF LOW RELATIVE HUMIDITY ARE EXPECTED ACROSS
NORTHERN INTERIOR PORTIONS OF EAST CENTRAL FLORIDA THIS AFTERNOON
WITH NORTHWEST WINDS TO 10 MPH.

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.

$$

FLZ141-062200-
/O.NEW.KMLB.FW.W.0056.071106T1700Z-071106T2200Z/
COASTAL VOLUSIA-
510 AM EST TUE NOV 6 2007

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 5 PM EST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 5 PM EST THIS
AFTERNOON. 

LONG DURATIONS OF LOW RELATIVE HUMIDITY ARE EXPECTED ACROSS
VOLUSIA COUNTY AWAY FROM THE IMMEDIATE COAST THIS AFTERNOON WITH
NORTHWEST WINDS TO 10 MPH.

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.

$$
1 follow-up statement
000 
WWUS82 KMLB 061858
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
158 PM EST TUE NOV 6 2007

FLZ041-044-144-062200-
/O.NEW.KMLB.FW.A.0042.071107T1700Z-071107T2100Z/
/O.CON.KMLB.FW.W.0056.000000T0000Z-071106T2200Z/
INLAND VOLUSIA-NORTHERN LAKE-SOUTHERN LAKE-
158 PM EST TUE NOV 6 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...
...FIRE WEATHER WATCH IN EFFECT WEDNESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A FIRE
WEATHER WATCH...WHICH IS IN EFFECT WEDNESDAY AFTERNOON. 

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON.

LONG DURATIONS OF LOW RELATIVE HUMIDITY ARE EXPECTED ACROSS
NORTHERN INTERIOR PORTIONS OF EAST CENTRAL FLORIDA THIS AFTERNOON
WITH NORTHWEST WINDS TO 10 MPH.

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.

WEAKENING COLD FRONT FORECAST TO CLEAR CENTRAL FLORIDA OVERNIGHT. 
POST FRONTAL AIR MASS WILL BE DRY ENOUGH TO PRODUCE AT LEAST 2 TO
3 HOURS OF RELATIVE HUMIDITY VALUES AROUND 35 PERCENT WEDNESDAY
AFTERNOON. THE DECISION TO EITHER GO WITH A RED FLAG OR DROP THE
WATCH WILL DEPEND ON HOW FAR SOUTH AND EAST THE DRY AIR MASS
PUSHES DOWN THE PENINSULA WEDNEDAY.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER
CONDITIONS...LONG DURATIONS OF LOW RELATIVE HUMIDITY OR A
COMBINATION OF LOW RELATIVE HUMIDITY AND STRONG WINDS...ARE
POSSIBLE BETWEEN 24 AND 72 HOURS.

$$

FLZ045-046-053-141-062200-
/O.CON.KMLB.FW.W.0056.000000T0000Z-071106T2200Z/
ORANGE-SEMINOLE-OSCEOLA-COASTAL VOLUSIA-
158 PM EST TUE NOV 6 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...

LONG DURATIONS OF LOW RELATIVE HUMIDITY ARE EXPECTED ACROSS
VOLUSIA COUNTY AWAY FROM THE IMMEDIATE COAST THIS AFTERNOON WITH
NORTHWEST WINDS TO 10 MPH.

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.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 6, 1:58 PM ESTFire Weather WatchMLBLake, Volusia15 hr

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.