Alert archive / Florida / Red Flag Warnings in 2012

Red Flag Warning 3, NWS Melbourne, FL

January 4, 20125 counties in Florida

NWS Melbourne, FL issued this red flag warning at Jan 4, 2012, 5:09 AM EST for 5 counties in Florida. It took effect at Jan 4, 2012, 11:00 AM EST. It was in force for 7 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 4, 2012, 5:09 AM EST (10:09 UTC)
In effect from
Jan 4, 2012, 11:00 AM EST
Expired
Jan 4, 2012, 6:00 PM EST
In force
7 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 10:12 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, 10.2 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 2012-01-04Temperature 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, Tampa Bay, FL at 00:00Z on 2012-01-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1931 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
-36 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.

305 
WWUS82 KMLB 041009
RFWMLB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
509 AM EST WED JAN 4 2012

FLZ141-041115-
/O.CAN.KMLB.FW.A.0003.120104T1600Z-120104T2300Z/
COASTAL VOLUSIA-
509 AM EST WED JAN 4 2012

...FIRE WEATHER WATCH IS CANCELLED FOR COASTAL VOLUSIA...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS CANCELLED THE FIRE
WEATHER WATCH. 

$$

FLZ041-044>046-053-144-042300-
/O.UPG.KMLB.FW.A.0003.120104T1600Z-120104T2300Z/
/O.NEW.KMLB.FW.W.0003.120104T1600Z-120104T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
SOUTHERN LAKE-
509 AM EST WED JAN 4 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM EST
THIS EVENING FOR PORTIONS OF THE INTERIOR...

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 THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

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

* WIND....WINDS GUSTS AROUND 10 TO 15 MPH IN THE AFTERNOON
  WEDNESDAY.

* HUMIDITY...VALUES WILL FALL TO BETWEEN 20 AND 30 PERCENT FROM
  THE LATE MORNING AND DURING THE AFTERNOON WEDNESDAY. 

* 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.

&&

$$

WEITLICH

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 4, 3:58 AM ESTFreeze WatchMLBLake, Okeechobee, Osceola, Volusia10 hr
Jan 4, 4:19 AM ESTSmall Craft Advisory for Hazardous SeasMLB6 hr
Jan 4, 1:48 PM ESTFreeze WarningMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia18 hr
Jan 4, 4:38 PM ESTFrost AdvisoryMLB15 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.