Alert archive / Florida / Red Flag Warnings in 2006

Red Flag Warning 39, NWS Melbourne, FL

April 4, 20066 counties in Florida

NWS Melbourne, FL issued this red flag warning at Apr 4, 2006, 2:19 PM EDT for 6 counties in Florida. It took effect at Apr 5, 2006, 5:15 AM EDT. It was in force for 14 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 4, 2006, 2:19 PM EDT (18:19 UTC)
In effect from
Apr 5, 2006, 5:15 AM EDT
Expired
Apr 5, 2006, 7:00 PM EDT
In force
14 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 18:22 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

Tampa Bay, FL (KTBW), launched 12:00Z, 6.3 hours before the alert went out and 139 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, Tampa Bay, FL at 12:00Z on 2006-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 690 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, Tampa Bay, FL at 12:00Z on 2006-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
690 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
564 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
33 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 041819
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
219 PM EDT TUE APR 4 2006

FLZ058-041930-
/O.CAN.KMLB.FW.A.0032.060405T1700Z-060405T2300Z/
OKEECHOBEE-
219 PM EDT TUE APR 4 2006

...FIRE WEATHER WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS CANCELLED THE FIRE
WEATHER WATCH. WHILE RELATIVE HUMIDITY VALUES ACROSS OKEECHOBEE
COUNTY ARE FORECAST TO BRIEFLY FALL BELOW 35%...A 4 HOUR DURATION
OF THESE CRITICAL VALUES IS NO LONGER ANTICIPATED.

$$

FLZ041-044>046-053-144-052300-
/O.UPG.KMLB.FW.A.0032.060405T1700Z-060405T2300Z/
/O.NEW.KMLB.FW.W.0039.060405T1700Z-060405T2300Z/
/O.NEW.KMLB.FW.A.0033.060406T1700Z-060406T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
SOUTHERN LAKE-
219 PM EDT TUE APR 4 2006

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 7 PM EDT WEDNESDAY...
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS UPGRADED THE FIRE
WEATHER WATCH FOR WEDNESDAY TO A RED FLAG WARNING...WHICH IS IN
EFFECT FROM 1 PM TO 7 PM EDT.

A FIRE WEATHER WATCH HAS BEEN ISSUED FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING.

DRY NORTHERLY FLOW BEHIND A COLD FRONT...WHICH IS MOVING ACROSS
CENTRAL FLORIDA TODAY...WILL PRODUCE LOW MINIMUM RELATIVE HUMIDITY
VALUES ACROSS NORTHERN INTERIOR SECTIONS OF EAST CENTRAL FLORIDA
BOTH WEDNESDAY AND THURSDAY AFTERNOONS.

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.

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.

$$

CRISTALDI
2 follow-up statements
000 
WWUS82 KMLB 050915
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
515 AM EDT WED APR 5 2006

FLZ058-051715-
/O.EXA.KMLB.FW.W.0039.060405T1700Z-060405T2300Z/
/O.EXA.KMLB.FW.A.0033.060406T1700Z-060406T2300Z/
OKEECHOBEE-
515 AM EDT WED APR 5 2006

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
EDT THIS EVENING...
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY 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.

A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER
WATCH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY
EVENING.

DRIER NORTH TO NORTHEAST WINDS BEHIND YESTERDAYS COOL FRONT WILL
PRODUCE LOW MINIMUM RELATIVE HUMIDITY VALUES ACROSS INTERIOR
SECTIONS OF EAST CENTRAL FLORIDA BOTH TODAY AND THURSDAY
AFTERNOONS.

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.

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.

$$

FLZ041-044>046-053-144-051715-
/O.CON.KMLB.FW.W.0039.060405T1700Z-060405T2300Z/
/O.CON.KMLB.FW.A.0033.060406T1700Z-060406T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
SOUTHERN LAKE-
515 AM EDT WED APR 5 2006

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM EDT THIS EVENING...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING...

A RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM EDT THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT
FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING. 

DRY NORTHERLY FLOW BEHIND A COLD FRONT...WHICH IS MOVING ACROSS
CENTRAL FLORIDA TODAY...WILL PRODUCE LOW MINIMUM RELATIVE HUMIDITY
VALUES ACROSS NORTHERN INTERIOR SECTIONS OF EAST CENTRAL FLORIDA
BOTH WEDNESDAY AND THURSDAY AFTERNOONS.

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.

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.

$$


DWS
000 
WWUS82 KMLB 051701
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
101 PM EDT WED APR 5 2006

FLZ041-044>046-053-058-144-052300-
/O.UPG.KMLB.FW.A.0033.060406T1700Z-060406T2300Z/
/O.NEW.KMLB.FW.W.0040.060406T1700Z-060406T2300Z/
/O.CON.KMLB.FW.W.0039.000000T0000Z-060405T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-OKEECHOBEE-
SOUTHERN LAKE-
101 PM EDT WED APR 5 2006

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

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM TO 7 PM EDT THURSDAY. THE
FIRE WEATHER WATCH FOR THURSDAY IS NO LONGER IN EFFECT. A RED
FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING.

DRY NORTHERLY FLOW BEHIND A COLD FRONT...WHICH IS MOVING ACROSS
SOUTHERN FLORIDA TODAY...WILL PRODUCE LOW MINIMUM RELATIVE
HUMIDITY VALUES ACROSS NORTHERN INTERIOR SECTIONS OF EAST CENTRAL
FLORIDA BOTH WEDNESDAY AND THURSDAY AFTERNOONS.

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.

$$

TES

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 2:19 PM EDTFire Weather WatchMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia23 hr

Nearby

Red Flag Warnings in Florida, 2006Every red flag warning in 2006

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.