Alert archive / Florida / Red Flag Warnings in 2012

Red Flag Warning 7, NWS Melbourne, FL

March 4, 20125 counties in Florida

NWS Melbourne, FL issued this red flag warning at Mar 4, 2012, 2:59 AM EST for 5 counties in Florida. It took effect at Mar 4, 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
Mar 4, 2012, 2:59 AM EST (07:59 UTC)
In effect from
Mar 4, 2012, 1:00 PM EST
Expired
Mar 4, 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 08:02 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, 8.0 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 2012-03-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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 2012-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 213 square meters per square second.19395878Sfc1 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
13 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
1254 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
213 m²/s²
0-3 km storm-relative helicity
233 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

392 
WWUS82 KMLB 040759
RFWMLB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
259 AM EST SUN MAR 4 2012

FLZ041-044>047-053-141-144-147-041600-
/O.UPG.KMLB.FW.A.0008.120304T1700Z-120305T0000Z/
/O.NEW.KMLB.FW.W.0007.120304T1800Z-120305T0000Z/
/O.NEW.KMLB.FW.A.0009.120305T1600Z-120305T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD-
OSCEOLA-COASTAL VOLUSIA-SOUTHERN LAKE-NORTHERN BREVARD-
259 AM EST SUN MAR 4 2012

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
EST THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR
MUCH OF EAST CENTRAL FLORIDA.

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY AFTERNOON FOR LONG DURATIONS OF LOW RELATIVE HUMIDITY FOR
EAST CENTRAL FLORIDA...

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 HAS ALSO BEEN ISSUED...FOR MONDAY
MORNING THROUGH MONDAY AFTERNOON. 

* AFFECTED AREA...VOLUSIA...LAKE...ORANGE...SEMINOLE...BREVARD...
  AND OSCEOLA COUNTIES.

* WIND...NORTHWEST WINDS TODAY AROUND 25 MPH WITH GUSTS UP TO 35
  MPH. NORTHWEST WINDS NEAR 10 MPH MONDAY.

* HUMIDITY...MINIMUM RELATIVE HUMIDITY FALLING TO BETWEEN 30 AND
  35 PERCENT THIS AFTERNOON BEHIND THE FRONT. ON MONDAY...A LONG DURATION
  OF CRITICAL RH VALUES OF 5 TO 7 HOURS WITH MIN RH AROUND 25
  PERCENT.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY THIS AFTERNOON.
  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.

&&

$$

FLZ054-058-059-064-041600-
/O.NEW.KMLB.FW.A.0009.120305T1600Z-120305T2300Z/
INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-
259 AM EST SUN MAR 4 2012

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY AFTERNOON FOR LONG DURATIONS OF LOW RELATIVE HUMIDITY FOR
ALL OF EAST CENTRAL FLORIDA...

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

* AFFECTED AREA... INDIAN RIVER... OKEECHOBEE... ST. LUCIE... 
  MARTIN COUNTIES. 

* WIND...NORTHWEST WINDS NEAR 10 MPH.

* HUMIDITY...HUMIDITY VALUES BELOW 35 PERCENT FOR 5 TO 7 HOURS
  WITH MINIMUM HUMIDITY NEAR 25 PERCENT.

* IMPACTS...PROLONGED DRY CONDITIONS MAY LEAD TO WILDFIRE STARTS.
  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.

&&

$$

SPRATT
2 follow-up statements
657 
WWUS82 KMLB 041610
RFWMLB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
1110 AM EST SUN MAR 4 2012

FLZ041-044>047-053-141-144-147-050015-
/O.CON.KMLB.FW.W.0007.120304T1800Z-120305T0000Z/
/O.CON.KMLB.FW.A.0009.120305T1600Z-120305T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD-
OSCEOLA-COASTAL VOLUSIA-SOUTHERN LAKE-NORTHERN BREVARD-
1110 AM EST SUN MAR 4 2012

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON UNTIL 7 PM
EST THIS EVENING FOR MUCH OF EAST CENTRAL FLORIDA DUE TO STRONG
WINDS AND LOW RELATIVE HUMIDITY...

...FIRE WEATHER WATCH REMAINS IN EFFECT FOR EAST CENTRAL FLORIDA
FROM MONDAY MORNING THROUGH MONDAY AFTERNOON FOR LONG DURATIONS
OF LOW RELATIVE HUMIDITY...

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 HAS ALSO BEEN ISSUED...FOR
MONDAY MORNING THROUGH MONDAY AFTERNOON.

* AFFECTED AREA...VOLUSIA...LAKE...ORANGE...SEMINOLE...BREVARD...
  AND OSCEOLA COUNTIES.

* WIND...NORTHWEST WINDS TODAY AROUND 25 MPH WITH GUSTS UP TO 
  35 MPH. NORTHWEST WINDS NEAR 10 MPH MONDAY. 

* HUMIDITY...MINIMUM RELATIVE HUMIDITY FALLING TO BETWEEN 30 
  AND 35 PERCENT THIS AFTERNOON BEHIND THE FRONT. ON MONDAY...A 
  LONG DURATION OF CRITICAL RH VALUES OF 5 TO 7 HOURS WITH MIN 
  RH AROUND 25 PERCENT. 

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY
  THIS AFTERNOON. 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.

&&

$$

FLZ054-058-059-064-050015-
/O.CON.KMLB.FW.A.0009.120305T1600Z-120305T2300Z/
INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-
1110 AM EST SUN MAR 4 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY AFTERNOON FOR ALL OF EAST CENTRAL FLORIDA FOR LONG
DURATIONS OF LOW RELATIVE HUMIDITY...

* AFFECTED AREA... INDIAN RIVER... OKEECHOBEE... ST. LUCIE... 
  MARTIN. 

* WIND...NORTHWEST WINDS NEAR 10 MPH.

* HUMIDITY...HUMIDITY VALUES BELOW 35 PERCENT FOR 5 TO 7 HOURS 
  WITH MINIMUM HUMIDITY NEAR 25 PERCENT.

* IMPACTS...PROLONGED DRY CONDITIONS MAY LEAD TO WILDFIRE 
  STARTS.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.

&&

$$
605 
WWUS82 KMLB 050017
RFWMLB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
717 PM EST SUN MAR 4 2012

FLZ041-044>047-053-141-144-147-051030-
/O.EXP.KMLB.FW.W.0007.000000T0000Z-120305T0000Z/
/O.CON.KMLB.FW.A.0009.120305T1600Z-120305T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD-
OSCEOLA-COASTAL VOLUSIA-SOUTHERN LAKE-NORTHERN BREVARD-
717 PM EST SUN MAR 4 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY AFTERNOON FOR EAST CENTRAL FLORIDA FOR LONG
DURATIONS OF LOW RELATIVE HUMIDITY...

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

* WIND...NORTHWEST WINDS NEAR 10 TO 15 MPH.

* HUMIDITY...HUMIDITY VALUES BELOW 35 PERCENT FOR 5 TO 7 HOURS
  WITH MINIMUM HUMIDITY NEAR 25 PERCENT.

* IMPACTS...PROLONGED DRY CONDITIONS MAY LEAD TO WILDFIRE 
  STARTS. 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.

&&

$$

FLZ054-058-059-064-051030-
/O.CON.KMLB.FW.A.0009.120305T1600Z-120305T2300Z/
INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-
717 PM EST SUN MAR 4 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY AFTERNOON FOR ALL OF EAST CENTRAL FLORIDA FOR LONG
DURATIONS OF LOW RELATIVE HUMIDITY...

* AFFECTED AREA... INDIAN RIVER...OKEECHOBEE...ST. LUCIE...
  MARTIN.

* WIND...NORTHWEST WINDS NEAR 10 TO 15 MPH.

* HUMIDITY...HUMIDITY VALUES BELOW 35 PERCENT FOR 5 TO 7 HOURS
  WITH MINIMUM HUMIDITY NEAR 25 PERCENT.

* IMPACTS...PROLONGED DRY CONDITIONS MAY LEAD TO WILDFIRE 
  STARTS. 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

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 4, 2:40 AM ESTWind AdvisoryMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia14 hr
Mar 4, 2:59 AM ESTFire Weather WatchMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia24 hr
Mar 4, 4:20 AM ESTSpecial Weather StatementMLBLake85 min
Mar 4, 5:26 AM ESTSpecial Marine WarningMLB2 hr
Mar 4, 5:36 AM ESTSpecial Weather StatementMLBLake, Seminole, Volusia54 min
Mar 4, 5:37 AM ESTSpecial Marine WarningMLB83 min
Mar 4, 5:39 AM ESTSevere Thunderstorm WarningMLBVolusia18 min
Mar 4, 5:59 AM ESTSevere Thunderstorm WarningMLBVolusia31 min
Mar 4, 6:19 AM ESTSpecial Weather StatementMLBBrevard, Indian River, Orange, Osceola, Seminole86 min
Mar 4, 7:00 AM ESTSpecial Marine WarningMLB2 hr
Mar 4, 7:44 AM ESTSpecial Weather StatementMLBIndian River, Okeechobee46 min
Mar 4, 7:57 AM ESTSevere Thunderstorm WarningMLBBrevard, Indian River46 min
Mar 4, 8:27 AM ESTSpecial Weather StatementMLBMartin, Saint Lucie93 min
Mar 4, 8:58 AM ESTSpecial Marine WarningMLB107 min

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.