Alert archive / Florida / Red Flag Warnings in 2012

Red Flag Warning 1, NWS Melbourne, FL

January 2, 20125 counties in Florida

NWS Melbourne, FL issued this red flag warning at Jan 2, 2012, 4:10 AM EST for 5 counties in Florida. It took effect at Jan 2, 2012, 1:00 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
Jan 2, 2012, 4:10 AM EST (09:10 UTC)
In effect from
Jan 2, 2012, 1:00 PM EST
Expired
Jan 2, 2012, 7:00 PM EST
In force
6 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 09:11 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 00:00Z, 9.2 hours before the alert went out and 148 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 00:00Z on 2012-01-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 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 00:00Z on 2012-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 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
12 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1012 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-27 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.

589 
WWUS82 KMLB 020910
RFWMLB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
410 AM EST MON JAN 2 2012

...MUCH COLDER AND DRIER AIR BEHIND A WINTER SEASON COLD FRONT...

FLZ041-044>046-053-141-144-031030-
/O.UPG.KMLB.FW.A.0001.120102T1700Z-120102T2300Z/
/O.NEW.KMLB.FW.W.0001.120102T1800Z-120103T0000Z/
/O.CON.KMLB.FW.A.0002.120103T1600Z-120104T0000Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
COASTAL VOLUSIA-SOUTHERN LAKE-
410 AM EST MON JAN 2 2012

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EST
THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY
MORNING THROUGH TUESDAY EVENING.

* AFFECTED AREA... INLAND VOLUSIA... NORTHERN LAKE... ORANGE... 
  SEMINOLE... OSCEOLA... COASTAL VOLUSIA... SOUTHERN LAKE. 

* WIND...NORTHWEST WINDS WILL INCREASE TO 15 TO 20 MPH AND WILL 
  BE GUSTY AT TIMES.

* HUMIDITY...VALUES WILL FALL TO BETWEEN 20 AND 30 PERCENT 
  DURING THE AFTERNOON.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR
THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL LIKELY OCCUR
WITHIN 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.

&&

$$

FLZ047-054-058-059-064-147-031030-
/O.CON.KMLB.FW.A.0002.120103T1600Z-120104T0000Z/
SOUTHERN BREVARD-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-
NORTHERN BREVARD-
410 AM EST MON JAN 2 2012

A FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY MORNING 
THROUGH TUESDAY EVENING.

* AFFECTED AREA... SOUTHERN BREVARD... INDIAN RIVER... 
  OKEECHOBEE... ST. LUCIE... MARTIN... NORTHERN BREVARD. 

* WIND...NORTHWEST WINDS 15 TO 20 MPH AND GUSTY AT TIMES.

* HUMIDITY...VALUES WILL FALL TO BETWEEN 20 AND 30 PERCENT 
  DURING THE AFTERNOON.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

SEDLOCK
1 follow-up statement
326 
WWUS82 KMLB 021926
RFWMLB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
226 PM EST MON JAN 2 2012

...MUCH COLDER AND DRIER AIR BEHIND A WINTER SEASON COLD FRONT...

FLZ041-044>046-053-141-144-030000-
/O.UPG.KMLB.FW.A.0002.120103T1600Z-120104T0000Z/
/O.NEW.KMLB.FW.W.0002.120103T1500Z-120104T0000Z/
/O.CON.KMLB.FW.W.0001.000000T0000Z-120103T0000Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
COASTAL VOLUSIA-SOUTHERN LAKE-
226 PM EST MON JAN 2 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING...

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 7 PM EST TUESDAY...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM TO 7 PM EST TUESDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA... INLAND VOLUSIA... NORTHERN LAKE... ORANGE... 
  SEMINOLE... OSCEOLA... COASTAL VOLUSIA... SOUTHERN LAKE. 

* WIND...NORTHWEST WINDS WILL INCREASE TO 15 TO 20 MPH AND WILL 
  BE GUSTY AT TIMES. 

* HUMIDITY...VALUES WILL FALL TO BETWEEN 20 AND 30 PERCENT 
  DURING THE AFTERNOON.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR
THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL LIKELY OCCUR
WITHIN THE NEXT 24 HOURS.

&&

$$

FLZ047-054-058-059-064-147-030000-
/O.UPG.KMLB.FW.A.0002.120103T1600Z-120104T0000Z/
/O.NEW.KMLB.FW.W.0002.120103T1500Z-120104T0000Z/
SOUTHERN BREVARD-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-
NORTHERN BREVARD-
226 PM EST MON JAN 2 2012

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM TO 7 PM EST TUESDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA... SOUTHERN BREVARD... INDIAN RIVER... 
  OKEECHOBEE... ST. LUCIE... MARTIN... NORTHERN BREVARD. 

* WIND...NORTHWEST WINDS 15 TO 20 MPH AND GUSTY AT TIMES.

* HUMIDITY...VALUES WILL FALL TO BETWEEN 20 AND 30 PERCENT 
  DURING THE AFTERNOON.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR
THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL LIKELY OCCUR
WITHIN THE NEXT 24 HOURS.

&&

$$

67

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 2, 3:42 AM ESTWind Chill AdvisoryMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia30 hr
Jan 2, 4:06 AM ESTFreeze WatchMLBOkeechobee, Orange, Osceola, Seminole, Volusia24 hr
Jan 2, 4:06 AM ESTFreeze WarningMLBLake, Volusia28 hr
Jan 2, 4:06 AM ESTHard Freeze WatchMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia24 hr
Jan 2, 4:37 AM ESTGale WarningMLB35 hr
Jan 2, 2:26 PM ESTRed Flag WarningMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia29 hr

Nearby

Red Flag Warnings in Florida, 2012Every red flag warning in 2012

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.