Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 38, NWS Melbourne, FL

April 29, 20076 counties in Florida

NWS Melbourne, FL issued this red flag warning at Apr 29, 2007, 3:34 PM EDT for 6 counties in Florida. It took effect at Apr 30, 2007, 3:10 AM EDT. It was in force for 16 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
Apr 29, 2007, 3:34 PM EDT (19:34 UTC)
In effect from
Apr 30, 2007, 3:10 AM EDT
Expired
Apr 30, 2007, 7:00 PM EDT
In force
16 hr
Issued by
NWS Melbourne, FL

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

The radar

The Melbourne radar (KMLB), 67 km from the middle of the area, began a volume at 19:36 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, 7.6 hours before the alert went out and 73 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 2007-04-29Temperature 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 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 2007-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.19395878Sfc1 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
1546 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
166 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 291934
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
334 PM EDT SUN APR 29 2007

...DRY CONDITIONS CONTINUE THIS AFTERNOON ACROSS MUCH OF THE AREA
AND EXPECTED AGAIN ON MONDAY...

FLZ041-044>046-053-144-300930-
/O.NEW.KMLB.FW.W.0038.070430T1700Z-070430T2300Z/
/O.CON.KMLB.FW.W.0037.000000T0000Z-070430T0000Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
SOUTHERN LAKE-
334 PM EDT SUN APR 29 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...RED FLAG WARNING IN EFFECT FROM 1 PM TO 7 PM EDT MONDAY...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM TO 7 PM EDT MONDAY. A RED
FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING. 

A DRIER AIRMASS WILL CONTINUE TO SETTLE ACROSS MUCH OF THE AREA
INTO MONDAY. LONG DURATIONS OF RELATIVE HUMIDITY ARE EXPECTED...WHICH
WILL INCREASE THE THREAT FOR DANGEROUS WILDFIRES. THE DRIEST
CONDITIONS WILL BE FOUND AROUND ORLANDO NORTHWARD...WHERE RELATIVE
HUMIDITIES WILL FALL BELOW 30 PERCENT.

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.

$$

FLZ047-054-058-059-064-141-147-300000-
/O.CON.KMLB.FW.W.0037.000000T0000Z-070430T0000Z/
SOUTHERN BREVARD-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-
COASTAL VOLUSIA-NORTHERN BREVARD-
334 PM EDT SUN APR 29 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING.

A MUCH DRIER CONTINUES TO SETTLE ACROSS THE AREA THIS AFTERNOON.
LONG DURATIONS OF RELATIVE HUMIDITY ARE EXPECTED...WHICH WILL
INCREASE THE THREAT FOR DANGEROUS WILDFIRES. THE DRIEST CONDITIONS
WILL BE FOUND ACROSS EXTREME WESTERN SECTIONS OF THE COASTAL
COUNTIES.

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.

$$
3 follow-up statements
000 
WWUS82 KMLB 300710
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
310 AM EDT MON APR 30 2007

...DRY CONDITIONS EXPECTED AGAIN THIS AFTERNOON...

FLZ058-302300-
/O.EXA.KMLB.FW.W.0038.070430T1700Z-070430T2300Z/
OKEECHOBEE-
310 AM EDT MON APR 30 2007

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT
THIS EVENING. 

LONG DURATIONS OF RELATIVE HUMIDITY ARE EXPECTED AGAIN THIS
AFTERNOON... WHICH WILL INCREASE THE THREAT FOR DANGEROUS
WILDFIRES. THE DRIEST CONDITIONS WILL BE FOUND ACROSS INTERIOR
PORTIONS OF THE AREA...WHERE RELATIVE HUMIDITIES WILL FALL BELOW
30 PERCENT.

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.

$$

FLZ041-044>046-053-144-302300-
/O.CON.KMLB.FW.W.0038.070430T1700Z-070430T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
SOUTHERN LAKE-
310 AM EDT MON APR 30 2007

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM EDT THIS EVENING...

A RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM EDT THIS EVENING. 

LONG DURATIONS OF RELATIVE HUMIDITY ARE EXPECTED AGAIN THIS
AFTERNOON... WHICH WILL INCREASE THE THREAT FOR DANGEROUS
WILDFIRES. THE DRIEST CONDITIONS WILL BE FOUND ACROSS INTERIOR
PORTIONS OF THE AREA...WHERE RELATIVE HUMIDITIES WILL FALL BELOW
30 PERCENT.

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.

$$
000 
WWUS82 KMLB 300807 CCA
RFWMLB

RED FLAG WARNING...CORRECTED
NATIONAL WEATHER SERVICE MELBOURNE FL
406 AM EDT MON APR 30 2007

...DRY CONDITIONS EXPECTED AGAIN THIS AFTERNOON...

FLZ058-302300-
/O.COR.KMLB.FW.W.0038.070430T1700Z-070430T2300Z/
OKEECHOBEE-
406 AM EDT MON APR 30 2007

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT
THIS EVENING. 

LONG DURATIONS OF LOW RELATIVE HUMIDITY ARE EXPECTED AGAIN THIS
AFTERNOON... WHICH WILL INCREASE THE THREAT FOR DANGEROUS
WILDFIRES. THE DRIEST CONDITIONS WILL BE FOUND ACROSS INTERIOR
PORTIONS OF THE AREA...WHERE RELATIVE HUMIDITIES WILL FALL BELOW
30 PERCENT.

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.

$$

FLZ041-044>046-053-144-302300-
/O.COR.KMLB.FW.W.0038.070430T1700Z-070430T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
SOUTHERN LAKE-
406 AM EDT MON APR 30 2007

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM EDT THIS EVENING...

A RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM EDT THIS EVENING. 

LONG DURATIONS OF LOW RELATIVE HUMIDITY ARE EXPECTED AGAIN THIS
AFTERNOON... WHICH WILL INCREASE THE THREAT FOR DANGEROUS
WILDFIRES. THE DRIEST CONDITIONS WILL BE FOUND ACROSS INTERIOR
PORTIONS OF THE AREA...WHERE RELATIVE HUMIDITIES WILL FALL BELOW
30 PERCENT.

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.

$$
000 
WWUS82 KMLB 302301
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
701 PM EDT MON APR 30 2007


FLZ041-044>046-053-144-011100-
/O.EXP.KMLB.FW.W.0038.000000T0000Z-070430T2300Z/
/O.NEW.KMLB.FW.A.0034.070501T1600Z-070502T0000Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
SOUTHERN LAKE-
701 PM EDT MON APR 30 2007

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...
...RED FLAG WARNING HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A FIRE
WEATHER WATCH...WHICH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING. THE RED FLAG WARNING IS NO LONGER IN EFFECT. 

LONG DURATIONS OF LOW RELATIVE HUMIDITY WILL BE POSSIBLE AGAIN
TUESDAY AFTERNOON... WHICH WILL INCREASE THE THREAT FOR DANGEROUS
WILDFIRES. THE DRIEST CONDITIONS WILL BE FOUND ACROSS INTERIOR
PORTIONS OF EAST CENTRAL FLORIDA. 

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.

$$

FLZ058-010015-
/O.EXP.KMLB.FW.W.0038.000000T0000Z-070430T2300Z/
OKEECHOBEE-
701 PM EDT MON APR 30 2007

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 


$$

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.