Alert archive / Florida / Red Flag Warnings in 2011

Red Flag Warning 3, NWS Melbourne, FL

January 11, 20116 counties in Florida

NWS Melbourne, FL issued this red flag warning at Jan 11, 2011, 3:48 PM EST for 6 counties in Florida. It took effect at Jan 12, 2011, 12:00 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 11, 2011, 3:48 PM EST (20:48 UTC)
In effect from
Jan 12, 2011, 12:00 PM EST
Expired
Jan 12, 2011, 5:00 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 20:49 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, 8.8 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 2011-01-11Temperature 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 2011-01-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
515 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
128 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.

029 
WWUS82 KMLB 112048
RFWMLB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
348 PM EST TUE JAN 11 2011

FLZ041-044>046-053-058-144-121000-
/O.UPG.KMLB.FW.A.0002.110112T1700Z-110112T2300Z/
/O.NEW.KMLB.FW.W.0003.110112T1700Z-110112T2200Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-OKEECHOBEE-
SOUTHERN LAKE-
348 PM EST TUE JAN 11 2011

...RED FLAG WARNING IN EFFECT FROM NOON TO 5 PM EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 5 PM EST WEDNESDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

SEVERAL HOURS OF LOW RELATIVE HUMIDITY VALUES ARE EXPECTED...
COUPLED WITH SUSTAINED WIND SPEEDS NEAR 15 MPH.

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.

&&

$$

FLZ047-054-141-147-121000-
/O.EXT.KMLB.FW.A.0002.110112T1700Z-110112T2200Z/
SOUTHERN BREVARD-INDIAN RIVER-COASTAL VOLUSIA-NORTHERN BREVARD-
348 PM EST TUE JAN 11 2011

...FIRE WEATHER WATCH NOW IN EFFECT WEDNESDAY AFTERNOON...

THE FIRE WEATHER WATCH IS NOW IN EFFECT WEDNESDAY AFTERNOON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR
THE SPREAD OF WILDFIRE ARE FORECAST TO OCCUR IN THE NEXT 24 TO
96 HOURS. PLEASE MONITOR UPCOMING FORECASTS FOR THE LATEST FIRE
WEATHER INFORMATION.

&&

$$
2 follow-up statements
256 
WWUS82 KMLB 120818
RFWMLB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
318 AM EST WED JAN 12 2011

FLZ047-054-141-147-122200-
/O.UPG.KMLB.FW.A.0002.110112T1700Z-110112T2200Z/
/O.EXA.KMLB.FW.W.0003.110112T1700Z-110112T2200Z/
SOUTHERN BREVARD-INDIAN RIVER-COASTAL VOLUSIA-NORTHERN BREVARD-
318 AM EST WED JAN 12 2011

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 5 PM EST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 5 PM EST THIS
AFTERNOON.

ANOTHER COOL AND DRY AIRMASS HAS SETTLED ACROSS EAST CENTRAL
FLORIDA TODAY...WHICH WILL ALLOW FOR SEVERAL HOURS OF CRITICALLY
LOW RELATIVE HUMIDITIES ALONG WITH SUSTAINED NORTHWEST WINDS NEAR
15 MPH.

WINDS WILL BECOME NORTH TO NORTHEAST ON THURSDAY WHICH WILL LIMIT
THE DURATION OF LOW RELATIVE HUMIDITIES ALONG THE COASTAL
COUNTIES. 2-3 HOURS OF CRITICALLY LOW RH VALUES ARE EXPECTED
THURSDAY AFTERNOON WITH NORTHWEST WINDS DROPPING BELOW 10 MPH. 

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.

&&

$$

FLZ059-064-122200-
/O.EXA.KMLB.FW.W.0003.110112T1700Z-110112T2200Z/
ST. LUCIE-MARTIN-
318 AM EST WED JAN 12 2011

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 5 PM EST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 5 PM EST THIS
AFTERNOON. 

ANOTHER COOL AND DRY AIRMASS HAS SETTLED ACROSS EAST CENTRAL
FLORIDA TODAY...WHICH WILL ALLOW FOR SEVERAL HOURS OF CRITICALLY
LOW RELATIVE HUMIDITIES ALONG WITH SUSTAINED NORTHWEST WINDS NEAR
15 MPH.

WINDS WILL BECOME NORTH TO NORTHEAST ON THURSDAY WHICH WILL LIMIT
THE DURATION OF LOW RELATIVE HUMIDITIES ALONG THE COASTAL
COUNTIES. 2-3 HOURS OF CRITICALLY LOW RH VALUES ARE EXPECTED
THURSDAY AFTERNOON WITH NORTHWEST WINDS DROPPING BELOW 10 MPH. 

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.

&&

$$

FLZ044>046-053-058-144-122200-
/O.NEW.KMLB.FW.A.0003.110113T1700Z-110113T2200Z/
/O.CON.KMLB.FW.W.0003.110112T1700Z-110112T2200Z/
NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-OKEECHOBEE-SOUTHERN LAKE-
318 AM EST WED JAN 12 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 5 PM EST
THIS AFTERNOON...
...FIRE WEATHER WATCH IN EFFECT THURSDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A FIRE
WEATHER WATCH...WHICH IS IN EFFECT THURSDAY AFTERNOON. A RED FLAG
WARNING REMAINS IN EFFECT FROM NOON TODAY TO 5 PM EST THIS
AFTERNOON. 

ANOTHER COOL AND DRY AIRMASS HAS SETTLED ACROSS EAST CENTRAL FLORIDA
TODAY...WHICH WILL ALLOW FOR 4 TO 5 HOURS OF CRITICALLY LOW RELATIVE
HUMIDITIES ALONG WITH SUSTAINED NORTHWEST WINDS NEAR 15 MPH.

THE DRY AIRMASS WILL REMAIN IN PLACE ACROSS INTERIOR COUNTIES ON
THURSDAY...AND 4 TO 5 HOURS OF LOW RH VALUES ARE EXPECTED AGAIN ON
THURSDAY. NORTHWEST WINDS WILL REMAIN BELOW 10 MPH AS HIGH
PRESSURE MOVES INTO THE SOUTHEAST. 

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 IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR
THE SPREAD OF WILDFIRE ARE FORECAST TO OCCUR IN THE NEXT 24 TO
96 HOURS. PLEASE MONITOR UPCOMING FORECASTS FOR THE LATEST FIRE
WEATHER INFORMATION.

&&

$$

FLZ041-122200-
/O.CON.KMLB.FW.W.0003.110112T1700Z-110112T2200Z/
INLAND VOLUSIA-
318 AM EST WED JAN 12 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 5 PM EST
THIS AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 5 PM EST
THIS AFTERNOON. 

ANOTHER COOL AND DRY AIRMASS HAS SETTLED ACROSS EAST CENTRAL
FLORIDA TODAY...WHICH WILL ALLOW FOR SEVERAL HOURS OF CRITICALLY
LOW RELATIVE HUMIDITIES ALONG WITH SUSTAINED NORTHWEST WINDS NEAR
15 MPH.

WINDS WILL BECOME NORTH TO NORTHEAST ON THURSDAY WHICH WILL LIMIT
THE DURATION OF LOW RELATIVE HUMIDITIES ALONG THE COASTAL
COUNTIES. 2-3 HOURS OF CRITICALLY LOW RH VALUES ARE EXPECTED
THURSDAY AFTERNOON WITH NORTHWEST WINDS DROPPING BELOW 10 MPH. 

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.

&&

$$
290 
WWUS82 KMLB 122226
RFWMLB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
526 PM EST WED JAN 12 2011

FLZ044>046-053-058-144-131100-
/O.EXP.KMLB.FW.W.0003.000000T0000Z-110112T2200Z/
/O.EXT.KMLB.FW.A.0003.110113T1700Z-110113T2100Z/
NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-OKEECHOBEE-SOUTHERN LAKE-
526 PM EST WED JAN 12 2011

...FIRE WEATHER WATCH NOW IN EFFECT THURSDAY AFTERNOON...
...RED FLAG WARNING HAS EXPIRED...

A FIRE WEATHER WATCH IS NOW IN EFFECT THURSDAY AFTERNOON.
 
THE DRY AIRMASS WILL REMAIN IN PLACE ACROSS INTERIOR COUNTIES ON
THURSDAY...AND 4 TO 5 HOURS OF LOW RH VALUES ARE EXPECTED AGAIN
ON THURSDAY. NORTHWEST WINDS WILL REMAIN BELOW 10 MPH AS HIGH
PRESSURE MOVES INTO THE SOUTHEAST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR
THE SPREAD OF WILDFIRE ARE FORECAST TO OCCUR IN THE NEXT 24 TO
96 HOURS. PLEASE MONITOR UPCOMING FORECASTS FOR THE LATEST FIRE
WEATHER INFORMATION.

&&

$$

FLZ041-047-054-059-064-141-147-122330-
/O.EXP.KMLB.FW.W.0003.000000T0000Z-110112T2200Z/
INLAND VOLUSIA-SOUTHERN BREVARD-INDIAN RIVER-ST. LUCIE-MARTIN-
COASTAL VOLUSIA-NORTHERN BREVARD-
526 PM EST WED JAN 12 2011

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 11, 3:07 AM ESTFire Weather WatchMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia24 hr
Jan 11, 3:12 AM ESTSmall Craft AdvisoryMLB67 hr
Jan 11, 3:03 PM ESTFreeze WatchMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia12 hr
Jan 11, 3:51 PM ESTWind Chill AdvisoryMLBLake, Orange, Osceola, Seminole, Volusia18 hr
Jan 11, 4:20 PM ESTSmall Craft Advisory for WindsMLB18 hr

Nearby

Red Flag Warnings in Florida, 2011Every red flag warning in 2011

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.