Alert archive / Florida / Red Flag Warnings in 2012

Red Flag Warning 5, NWS Melbourne, FL

February 11, 20126 counties in Florida

NWS Melbourne, FL issued this red flag warning at Feb 11, 2012, 3:08 PM EST for 6 counties in Florida. It took effect at Feb 12, 2012, 9:00 AM EST. It was in force for 10 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 11, 2012, 3:08 PM EST (20:08 UTC)
In effect from
Feb 12, 2012, 9:00 AM EST
Expired
Feb 12, 2012, 7:00 PM EST
In force
10 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 20:06 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, 8.1 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 2012-02-11Temperature 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 2012-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
542 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
69 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.

535 
WWUS82 KMLB 112008
RFWMLB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
308 PM EST SAT FEB 11 2012

FLZ041-044>046-053-144-121100-
/O.UPG.KMLB.FW.A.0005.120212T1500Z-120212T2300Z/
/O.NEW.KMLB.FW.W.0005.120212T1400Z-120213T0000Z/
/O.NEW.KMLB.FW.A.0006.120213T1600Z-120213T2200Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
SOUTHERN LAKE-
308 PM EST SAT FEB 11 2012

...RED FLAG WARNING IN EFFECT FROM 9 AM TO 7 PM EST SUNDAY FOR
LONG DURATION OF CRITICAL RH FOR LAKE...ORANGE..OSCEOLA...SEMINOLE
AND VOLUSIA COUNTIES...

...FIRE WEATHER WATCH INEFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON FOR LONG DURATION OF CRITICAL RH FOR INTERIOR COUNTIES...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 9 AM TO 7 PM EST SUNDAY. A FIRE
WEATHER WATCH HAS ALSO BEEN ISSUED AND IS IN EFFECT FROM MONDAY
MORNING THROUGH MONDAY AFTERNOON.


* WIND...NORTHWEST TO NORTH 10 TO 15 MPH WITH SOME HIGHER GUSTS.

* HUMIDITY...UP TO 10 HOURS OF CRITICAL RH VALUES WITH MINIMUM RH
  AROUND 20 PERCENT.

* 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.

&&

$$

FLZ058-141-121100-
/O.UPG.KMLB.FW.A.0005.120212T1500Z-120212T2300Z/
/O.NEW.KMLB.FW.W.0005.120212T1400Z-120213T0000Z/
OKEECHOBEE-COASTAL VOLUSIA-
308 PM EST SAT FEB 11 2012

...RED FLAG WARNING IN EFFECT FROM 9 AM TO 7 PM EST SUNDAY FOR
LONG DURATION OF CRITICAL RH FOR OKEECHOBEE AND COASTAL VOLUSIA
COUNTIES... 

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS UPGRADED THE FIRE
WEATHER WATCH TO A RED FLAG WARNING...WHICH IS IN EFFECT FROM 9
AM TO 7 PM EST SUNDAY.


* WIND...NORTHWEST TO NORTH 10 TO 15 MPH WITH SOME HIGHER GUSTS.

* HUMIDITY...SIX TO EIGHT HOURS OF CRITICAL RH VALUES WITH 
  MINIMUM RH AROUND 25 PERCENT.

* 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.

&&

$$

KELLY
2 follow-up statements
555 
WWUS82 KMLB 120929
RFWMLB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
429 AM EST SUN FEB 12 2012

FLZ047-054-059-064-147-130000-
/O.EXA.KMLB.FW.W.0005.120212T1400Z-120213T0000Z/
SOUTHERN BREVARD-INDIAN RIVER-ST. LUCIE-MARTIN-NORTHERN BREVARD-
429 AM EST SUN FEB 12 2012

...RED FLAG WARNING IN EFFECT FROM 9 AM THIS MORNING TO 7 PM EST
THIS EVENING FOR ALL OF EAST CENTRAL FLORIDA FOR LONG DURATION OF
CRITICAL RH AND GUSTY NORTHWEST WINDS...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 7 PM EST
THIS EVENING. 

* WIND...NORTHWEST TO NORTH 10 TO 15 MPH WITH GUSTS TO 20 MPH IN
  THE MORNING.

* HUMIDITY...FOUR TO FIVE HOURS OF CRITICAL RH VALUES AROUND 35
  PERCENT.

* 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.

&&

$$

FLZ041-044>046-053-144-130000-
/O.CON.KMLB.FW.W.0005.120212T1400Z-120213T0000Z/
/O.CON.KMLB.FW.A.0006.120213T1600Z-120213T2200Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
SOUTHERN LAKE-
429 AM EST SUN FEB 12 2012

...RED FLAG WARNING IN EFFECT FROM 9 AM THIS MORNING TO 7 PM EST
THIS EVENING FOR ALL OF EAST CENTRAL FLORIDA FOR LONG DURATION OF
CRITICAL RH AND GUSTY NORTHWEST WINDS...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY AFTERNOON FOR INTERIOR
VOLUSIA...ORANGE...SEMINOLE...LAKE...AND OSCEOLA COUNTIES FOR
LONG DURATION OF CRITICAL RH...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 9 AM TO 7 PM EST SUNDAY. A FIRE
WEATHER WATCH HAS ALSO BEEN ISSUED AND IS IN EFFECT FROM MONDAY
MORNING THROUGH MONDAY AFTERNOON.

* WIND...NORTHWEST TO NORTH 10 TO 15 MPH WITH GUSTS TO 20 MPH IN
  THE MORNING.

* HUMIDITY...10 TO 12 HOURS OF CRITICAL RH VALUES WITH MINIMUM
  RH AROUND 20 PERCENT.

* 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.

&&

$$

FLZ058-141-130000-
/O.CON.KMLB.FW.W.0005.120212T1400Z-120213T0000Z/
OKEECHOBEE-COASTAL VOLUSIA-
429 AM EST SUN FEB 12 2012

...RED FLAG WARNING IN EFFECT FROM 9 AM THIS MORNING TO 7 PM EST
THIS EVENING FOR ALL OF EAST CENTRAL FLORIDA FOR LONG DURATION OF
CRITICAL RH AND GUSTY NORTHWEST WINDS...

* WIND...NORTHWEST TO NORTH 10 TO 15 MPH WITH GUSTS TO 20 MPH IN
  THE MORNING.

* HUMIDITY...SIX TO EIGHT HOURS OF CRITICAL RH VALUES WITH 
  MINIMUM RH AROUND 30 PERCENT.

* 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.

&&

$$
466 
WWUS82 KMLB 130014
RFWMLB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
714 PM EST SUN FEB 12 2012

FLZ041-044>046-053-144-131030-
/O.EXP.KMLB.FW.W.0005.000000T0000Z-120213T0000Z/
/O.CON.KMLB.FW.A.0006.120213T1600Z-120213T2200Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
SOUTHERN LAKE-
714 PM EST SUN FEB 12 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY AFTERNOON FOR INTERIOR PORTIONS OF EAST CENTRAL
FLORIDA.

* WIND...LIGHT NORTHERLY MORNING WINDS WILL VEER TOWARD THE
  NORTHEAST OR EAST THROUGH THE DAY WITH SPEEDS BELOW 10 MPH.

* HUMIDITY...7 TO 10 HOURS OF CRITICAL RH VALUES WITH MINIMUM RH
  AROUND 20 PERCENT.

* 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.

&&

$$

FLZ047-054-058-059-064-141-147-130115-
/O.EXP.KMLB.FW.W.0005.000000T0000Z-120213T0000Z/
SOUTHERN BREVARD-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-
COASTAL VOLUSIA-NORTHERN BREVARD-
714 PM EST SUN FEB 12 2012

...RED FLAG WARNING HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ALLOWED THE RED FLAG
WARNING TO EXPIRE.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 11:23 PM ESTSpecial Marine WarningMLB72 min
Feb 11, 3:58 AM ESTLake Wind AdvisoryMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia14 hr
Feb 11, 4:30 AM ESTWind Chill AdvisoryMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia29 hr
Feb 11, 4:44 AM ESTSmall Craft AdvisoryMLB38 hr
Feb 11, 12:30 PM ESTFreeze WarningMLBLake, Orange, Seminole, Volusia21 hr
Feb 11, 3:08 PM ESTFire Weather WatchMLBLake, Orange, Osceola, Seminole, Volusia36 hr
Feb 11, 3:21 PM ESTFreeze WatchMLBLake, Orange, Seminole, Volusia23 hr
Feb 11, 3:41 PM ESTGale WarningMLB15 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.