Alert archive / Florida / Red Flag Warnings in 2008

Red Flag Warning 5, NWS Melbourne, FL

January 19, 20085 counties in Florida

NWS Melbourne, FL issued this red flag warning at Jan 19, 2008, 2:01 PM EST for 5 counties in Florida. It took effect at Jan 20, 2008, 12:00 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 19, 2008, 2:01 PM EST (19:01 UTC)
In effect from
Jan 20, 2008, 12:00 PM EST
Expired
Jan 20, 2008, 6:00 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 19:00 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, 7.0 hours before the alert went out and 81 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 2008-01-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 157 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, Cape Canaveral, FL at 12:00Z on 2008-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 152 square meters per square second.1939587897Sfc1 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
157 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
465 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
152 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
WWUS82 KMLB 191901
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
201 PM EST SAT JAN 19 2008

...DRIER CONDITIONS ON SUNDAY AFTERNOON OVER CENTRAL FLORIDA...

FLZ041-044>046-144-200715-
/O.UPG.KMLB.FW.A.0004.080120T1700Z-080120T2200Z/
/O.NEW.KMLB.FW.W.0005.080120T1700Z-080120T2200Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN LAKE-
201 PM EST SAT JAN 19 2008

...RED FLAG WARNING IN EFFECT FROM 12 PM TO 5 PM EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 12 PM TO 5 PM EST SUNDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

POST FRONTAL DRY CONDITIONS FOR SUNDAY WILL FIND AFTERNOON MINIMUM
RELATIVE HUMIDITIES DIPPING BELOW 35 PERCENT...BUT WITH WINDS
REACHING 15 MPH WITH OCCASIONAL HIGHER GUSTS.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS...
LONG DURATIONS OF LOW RELATIVE HUMIDITY OR A COMBINATION OF LOW
RELATIVE HUMIDITY AND STRONG WINDS...ARE EITHER OCCURRING
NOW...OR ARE FORECAST TO OCCUR IN THE NEXT 24 HOURS.

$$

FLZ053-200715-
/O.NEW.KMLB.FW.W.0005.080120T1700Z-080120T2200Z/
OSCEOLA-
201 PM EST SAT JAN 19 2008

...RED FLAG WARNING IN EFFECT FROM 12 PM TO 5 PM EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 12 PM TO 5 PM EST SUNDAY. 

POST FRONTAL DRY CONDITIONS FOR SUNDAY WILL FIND AFTERNOON MINIMUM
RELATIVE HUMIDITIES DIPPING BELOW 35 PERCENT...BUT WITH WINDS
REACHING 15 MPH WITH OCCASIONAL HIGHER GUSTS. 

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS...
LONG DURATIONS OF LOW RELATIVE HUMIDITY OR A COMBINATION OF LOW
RELATIVE HUMIDITY AND STRONG WINDS...ARE EITHER OCCURRING
NOW...OR ARE FORECAST TO OCCUR IN THE NEXT 24 HOURS.

$$
1 follow-up statement
000 
WWUS82 KMLB 200942
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
442 AM EST SUN JAN 20 2008

...MUCH DRIER CONDITIONS THIS AFTERNOON OVER CENTRAL FLORIDA...

FLZ041-044>046-053-144-202200-
/O.EXT.KMLB.FW.W.0005.080120T1700Z-080120T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
SOUTHERN LAKE-
442 AM EST SUN JAN 20 2008

...RED FLAG WARNING NOW IN EFFECT FROM NOON TODAY TO 6 PM EST
THIS AFTERNOON FOR LOW RH DURATIONS...

THE RED FLAG WARNING IS NOW IN EFFECT FROM NOON TODAY TO 6 PM EST
THIS AFTERNOON. 

DRY CONDITIONS TODAY WILL FIND AFTERNOON MINIMUM RELATIVE
HUMIDITIES DIPPING WELL BELOW 35 PERCENT...BREEZY WINDS REACHING
15 MPH WITH OCCASIONAL HIGHER GUSTS WILL ADD TO THE CRITICAL FIRE
WEATHER CONDITIONS.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS...
LONG DURATIONS OF LOW RELATIVE HUMIDITY OR A COMBINATION OF LOW
RELATIVE HUMIDITY AND STRONG WINDS...ARE EITHER OCCURRING NOW...
OR ARE FORECAST TO OCCUR IN THE NEXT 24 HOURS.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 19, 4:05 AM ESTFire Weather WatchMLBLake, Orange, Seminole, Volusia10 hr
Jan 19, 6:37 PM ESTSevere Thunderstorm WarningMLBLake, Orange38 min
Jan 19, 6:58 PM ESTSpecial Marine WarningMLB2 hr

Nearby

Red Flag Warnings in Florida, 2008Every red flag warning in 2008

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.