Alert archive / Florida / Red Flag Warnings in 2009

Red Flag Warning 13, NWS Melbourne, FL

February 2, 20096 counties in Florida

NWS Melbourne, FL issued this red flag warning at Feb 2, 2009, 1:51 PM EST for 6 counties in Florida. It took effect at Feb 3, 2009, 12:00 PM EST. 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
Feb 2, 2009, 1:51 PM EST (18:51 UTC)
In effect from
Feb 3, 2009, 12:00 PM EST
Expired
Feb 3, 2009, 6:00 PM EST
In force
6 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 18:50 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, 6.9 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 2009-02-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 31 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 2009-02-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 145 square meters per square second.1939587897117Sfc1 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
31 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1084 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
145 m²/s²
0-3 km storm-relative helicity
151 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS82 KMLB 021851
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
151 PM EST MON FEB 2 2009

FLZ041-044>046-141-144-031000-
/O.UPG.KMLB.FW.A.0011.090203T1700Z-090203T2300Z/
/O.NEW.KMLB.FW.W.0013.090203T1600Z-090203T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-COASTAL VOLUSIA-
SOUTHERN LAKE-
151 PM EST MON FEB 2 2009

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 6 PM EST TUESDAY...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM TO 6 PM EST TUESDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

$$

FLZ053-147-031000-
/O.NEW.KMLB.FW.W.0013.090203T1600Z-090203T2300Z/
OSCEOLA-NORTHERN BREVARD-
151 PM EST MON FEB 2 2009

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 6 PM EST TUESDAY...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM TO 6 PM EST TUESDAY. 

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

$$

FLZ047-054-058-059-064-031000-
/O.NEW.KMLB.FW.A.0012.090203T1600Z-090203T2300Z/
SOUTHERN BREVARD-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-
151 PM EST MON FEB 2 2009

...FIRE WEATHER WATCH IN EFFECT FROM LATE TUESDAY MORNING THROUGH
TUESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A FIRE
WEATHER WATCH...WHICH IS IN EFFECT LATE TUESDAY MORNING THROUGH
TUESDAY AFTERNOON.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

$$
2 follow-up statements
000 
WWUS82 KMLB 031007
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
507 AM EST TUE FEB 3 2009

FLZ059-064-032300-
/O.CAN.KMLB.FW.A.0012.090203T1600Z-090203T2300Z/
/O.NEW.KMLB.FW.A.0013.090204T1600Z-090204T2300Z/
ST. LUCIE-MARTIN-
507 AM EST TUE FEB 3 2009

...FIRE WEATHER WATCH FOR TODAY HAS BEEN CANCELED...
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A FIRE
WEATHER WATCH...WHICH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON. THE FIRE WEATHER WATCH FOR TODAY HAS BEEN
CANCELLED.

A VERY DRY AIRMASS WILL PROMOTE MINIMUM RH VALUES BELOW 35 PERCENT
WITH NORTHWEST WINDS 15 TO 20 MPH WITH HIGHER GUSTS ON WEDNESDAY.
INSTANTANEOUS RED FLAG CONDITIONS WILL BE POSSIBLE.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

$$

FLZ047-054-058-032300-
/O.UPG.KMLB.FW.A.0012.090203T1600Z-090203T2300Z/
/O.NEW.KMLB.FW.A.0013.090204T1600Z-090204T2300Z/
/O.EXB.KMLB.FW.W.0013.090203T1700Z-090203T2300Z/
SOUTHERN BREVARD-INDIAN RIVER-OKEECHOBEE-
507 AM EST TUE FEB 3 2009

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EST THIS
AFTERNOON...
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM EST THIS
AFTERNOON. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED FROM
WEDNESDAY MORNING THROUGH WEDNESDAY AFTERNOON. 

MUCH DRIER AIR WILL OVERSPREAD THE AREA TODAY BEHIND A COLD FRONT.
MINIMUM RH VALUES BETWEEN 30 AND 35 PERCENT WILL COMBINE WITH
NORTHWEST WINDS 15 TO 20 MPH WITH HIGHER GUSTS TO PRODUCE
INSTANTANEOUS RED FLAG CONDITIONS.

LONGER DURATIONS OF CRITICAL RH AND STRONGER WINDS ARE ANTICIPATED
WEDNESDAY. 

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

$$

FLZ041-044>046-053-141-144-147-032300-
/O.NEW.KMLB.FW.A.0013.090204T1600Z-090204T2300Z/
/O.EXT.KMLB.FW.W.0013.090203T1700Z-090203T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
COASTAL VOLUSIA-SOUTHERN LAKE-NORTHERN BREVARD-
507 AM EST TUE FEB 3 2009

...RED FLAG WARNING NOW IN EFFECT FROM NOON TODAY TO 6 PM EST
THIS AFTERNOON...
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A FIRE
WEATHER WATCH...WHICH IS IN EFFECT FROM WEDNESDAY MORNING
THROUGH WEDNESDAY AFTERNOON. THE RED FLAG WARNING IS NOW IN EFFECT
FROM NOON TODAY TO 6 PM EST THIS AFTERNOON.

MUCH DRIER AIR WILL OVERSPREAD THE AREA TODAY BEHIND A COLD FRONT.
MINIMUM RH VALUES BETWEEN 25 AND 30 PERCENT WILL PRODUCE AROUND 4
HOURS OF CRITICAL RH. NORTHWEST WINDS 15 TO 20 MPH WITH SOME HIGHER
GUSTS CAN ALSO BE EXPECTED.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

$$

KELLY
000 
WWUS82 KMLB 032001
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
301 PM EST TUE FEB 3 2009

FLZ041-044>047-053-054-058-141-144-147-041100-
/O.UPG.KMLB.FW.A.0013.090204T1600Z-090204T2300Z/
/O.NEW.KMLB.FW.W.0014.090204T1600Z-090204T2300Z/
/O.NEW.KMLB.FW.A.0014.090205T1600Z-090205T2300Z/
/O.CON.KMLB.FW.W.0013.000000T0000Z-090203T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD-
OSCEOLA-INDIAN RIVER-OKEECHOBEE-COASTAL VOLUSIA-SOUTHERN LAKE-
NORTHERN BREVARD-
301 PM EST TUE FEB 3 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 6 PM EST WEDNESDAY...
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY AFTERNOON...

A VERY DRY AIRMASS WILL CREATE MINIMUM RH VALUES AS LOW AS THE MID
20S FOR SEVERAL HOURS WITH NORTHWEST WINDS 15 TO 20 MPH WITH
HIGHER GUSTS ON WEDNESDAY. THIS WILL CREATE INSTANTANEOUS RED FLAG
CONDITIONS.

DRY AIRMASS WILL REMAIN IN PLACE THURSDAY WITH SEVERAL HOURS OF 
CRITICALLY LOW RH POSSIBLE DURING THE AFTERNOON HOURS.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

$$

FLZ059-064-041100-
/O.UPG.KMLB.FW.A.0013.090204T1600Z-090204T2300Z/
/O.NEW.KMLB.FW.W.0014.090204T1600Z-090204T2300Z/
/O.NEW.KMLB.FW.A.0014.090205T1600Z-090205T2300Z/
ST. LUCIE-MARTIN-
301 PM EST TUE FEB 3 2009

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 6 PM EST WEDNESDAY...
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY AFTERNOON...

A VERY DRY AIRMASS WILL CREATE MINIMUM RH VALUES BELOW 35
PERCENT FOR SEVERAL HOURS WITH NORTHWEST WINDS 15 TO 20 MPH WITH
HIGHER GUSTS ON WEDNESDAY. THIS WILL CREATE INSTANTANEOUS RED FLAG
CONDITIONS.

DRY AIRMASS WILL REMAIN IN PLACE THURSDAY WITH SEVERAL HOURS OF 
CRITICALLY LOW RH POSSIBLE DURING THE AFTERNOON HOURS. 

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 2, 4:26 AM ESTSmall Craft AdvisoryMLB4 days
Feb 2, 1:51 PM ESTFire Weather WatchMLBOkeechobee15 hr

Nearby

Red Flag Warnings in Florida, 2009Every red flag warning in 2009

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.