Alert archive / Florida / Red Flag Warnings in 2009

Red Flag Warning 3, NWS Melbourne, FL

January 14, 20096 counties in Florida

NWS Melbourne, FL issued this red flag warning at Jan 14, 2009, 4:19 AM EST for 6 counties in Florida. It took effect at Jan 14, 2009, 1:00 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
Jan 14, 2009, 4:19 AM EST (09:19 UTC)
In effect from
Jan 14, 2009, 1:00 PM EST
Expired
Jan 14, 2009, 6:00 PM EST
In force
5 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 09:23 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, 9.3 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 00:00Z on 2009-01-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2009-01-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
1 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
467 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
19 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 140919
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
419 AM EST WED JAN 14 2009

...A VERY DRY AIR MASS WILL AFFECT AREAS OF EAST CENTRAL FLORIDA 
ON WEDNESDAY AND THURSDAY...

FLZ041-044>046-053-144-151030-
/O.UPG.KMLB.FW.A.0003.090114T1800Z-090114T2300Z/
/O.NEW.KMLB.FW.W.0003.090114T1800Z-090114T2300Z/
/O.CON.KMLB.FW.A.0004.090115T1700Z-090115T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
SOUTHERN LAKE-
419 AM EST WED JAN 14 2009

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 6 PM EST THIS
AFTERNOON...
...FIRE WEATHER WATCH REMAINS IN EFFECT THURSDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM TO 6 PM EST THIS
AFTERNOON. A FIRE WEATHER WATCH REMAINS IN EFFECT THURSDAY
AFTERNOON.

A VERY COLD AND DRY AIR MASS IS LEFT IN THE WAKE OF A DEPARTING 
COLD FRONT. MINIMUM RELATIVE HUMIDITY VALUES BELOW 35 PERCENT ARE
EXPECTED FOR UP TO 5 HOURS...WITH NORTH TO NORTHWEST WINDS OF
AROUND 10 MPH IN THE AFTERNOON...FOR BOTH WEDNESDAY AND THURSDAY
ACROSS EAST CENTRAL FLORIDA.

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.

$$

FLZ058-151030-
/O.NEW.KMLB.FW.W.0003.090114T1800Z-090114T2300Z/
/O.CON.KMLB.FW.A.0004.090115T1700Z-090115T2300Z/
OKEECHOBEE-
419 AM EST WED JAN 14 2009

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 6 PM EST THIS
AFTERNOON...
...FIRE WEATHER WATCH REMAINS IN EFFECT THURSDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM TO 6 PM EST THIS
AFTERNOON. A FIRE WEATHER WATCH REMAINS IN EFFECT THURSDAY
AFTERNOON. 

A VERY COLD AND DRY AIR MASS IS LEFT IN THE WAKE OF A DEPARTING 
COLD FRONT. MINIMUM RELATIVE HUMIDITY VALUES BELOW 35 PERCENT ARE
EXPECTED FOR UP TO 5 HOURS...WITH NORTH TO NORTHWEST WINDS OF
AROUND 10 MPH IN THE AFTERNOON...FOR BOTH WEDNESDAY AND THURSDAY
ACROSS EAST CENTRAL FLORIDA.

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

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.

$$

FLZ047-054-059-141-147-151030-
/O.CON.KMLB.FW.A.0004.090115T1700Z-090115T2300Z/
SOUTHERN BREVARD-INDIAN RIVER-ST. LUCIE-COASTAL VOLUSIA-
NORTHERN BREVARD-
419 AM EST WED JAN 14 2009

...FIRE WEATHER WATCH REMAINS IN EFFECT THURSDAY AFTERNOON...

A VERY COLD AND DRY AIR MASS HAS BEEN LEFT IN THE WAKE OF A
DEPARTING COLD FRONT. MINIMUM RELATIVE HUMIDITY VALUES BELOW 35
PERCENT ARE EXPECTED FOR UP TO 5 HOURS...WITH NORTH TO NORTHWEST
WINDS OF AROUND 10 MPH IN THE AFTERNOON THURSDAY.

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
Jan 14, 4:59 AM ESTFrost AdvisoryMLBLake, Orange, Seminole, Volusia28 hr
Jan 14, 4:59 AM ESTFreeze WatchMLBLake, Volusia33 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.