Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 4, NWS Melbourne, FL

January 28, 20076 counties in Florida

NWS Melbourne, FL issued this red flag warning at Jan 28, 2007, 2:05 PM EST for 6 counties in Florida. It took effect at Jan 29, 2007, 10:00 AM EST. It was in force for 8 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 28, 2007, 2:05 PM EST (19:05 UTC)
In effect from
Jan 29, 2007, 10:00 AM EST
Expired
Jan 29, 2007, 6:00 PM EST
In force
8 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 19:10 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, 7.1 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 2007-01-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 118 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 2007-01-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 360 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
118 J/kg
Mixed-layer CIN
-249 J/kg
Mixed-layer LCL
820 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
360 m²/s²
0-3 km storm-relative helicity
404 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.

000 
WWUS82 KMLB 281905
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
205 PM EST SUN JAN 28 2007

FLZ041-044>047-053-054-058-059-064-141-144-147-291100-
/O.UPG.KMLB.FW.A.0004.070129T1500Z-070129T2300Z/
/O.NEW.KMLB.FW.W.0004.070129T1500Z-070129T2300Z/
/O.NEW.KMLB.FW.A.0005.070130T1700Z-070130T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD-
OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-COASTAL VOLUSIA-
SOUTHERN LAKE-NORTHERN BREVARD-
205 PM EST SUN JAN 28 2007

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 6 PM EST MONDAY...
...FIRE WEATHER WATCH IN EFFECT TUESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS UPGRADED THE FIRE
WEATHER WATCH TO A RED FLAG WARNING ON MONDAY ACROSS ALL OF EAST
CENTRAL FLORIDA. IN ADDITION...A FIRE WEATHER WATCH IS NOW IN
EFFECT FOR TUESDAY AFTERNOON FOR ALL OF EAST CENTRAL FLORIDA.

A VERY DRY AIRMASS WILL OVERSPREAD THE AREA BY MONDAY MORNING.
DESPITE MUCH BELOW NORMAL TEMPERATURES...RH VALUES ARE EXPECTED
TO FALL BELOW 35% FOR 4 TO 8 HOURS. SEVERAL HOURS WITH RH VALUES
AROUND 25% ARE EXPECTED ACROSS NORTHERN SECTIONS. NORTHWEST WINDS
OF 10 TO 14 MPH ARE EXPECTED.

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 FORECAST TO OCCUR IN 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.

$$

KELLY
2 follow-up statements
000 
WWUS82 KMLB 291037
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
537 AM EST MON JAN 29 2007

FLZ041-044>047-053-054-058-059-064-141-144-147-292330-
/O.CON.KMLB.FW.W.0004.070129T1500Z-070129T2300Z/
/O.CON.KMLB.FW.A.0005.070130T1700Z-070130T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD-
OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-COASTAL VOLUSIA-
SOUTHERN LAKE-NORTHERN BREVARD-
537 AM EST MON JAN 29 2007

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
6 PM EST THIS AFTERNOON...
...FIRE WEATHER WATCH REMAINS IN EFFECT TUESDAY AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
6 PM EST THIS AFTERNOON. A FIRE WEATHER WATCH REMAINS IN EFFECT
TUESDAY AFTERNOON. 

THE COLDEST AIR OF THE SEASON WAS OVERSPREADING THE AREA EARLY
THIS MORNING. THIS AIR MASS IS ALSO EXTREMELY DRY. RH VALUES ARE
EXPECTED TO FALL BELOW 35% FOR MORE THAN 4 HOURS TODAY. SEVERAL
HOURS WITH RH VALUES AROUND 25% ARE EXPECTED ACROSS NORTHERN
SECTIONS. NORTHWEST WINDS AROUND 10 MPH ARE EXPECTED THIS AFTERNOON.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS...
LONG DURATIONS OF LOW RELATIVE HUMIDITY...WILL OCCUR TODAY.

THE FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER
CONDITIONS...LONG DURATIONS OF LOW RELATIVE HUMIDITY...ARE
POSSIBLE ON TUESDAY.

$$
000 
WWUS82 KMLB 291844
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
144 PM EST MON JAN 29 2007

FLZ041-044>047-053-054-058-059-064-141-144-147-300645-
/O.UPG.KMLB.FW.A.0005.070130T1700Z-070130T2300Z/
/O.NEW.KMLB.FW.W.0005.070130T1700Z-070130T2300Z/
/O.CON.KMLB.FW.W.0004.000000T0000Z-070129T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD-
OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-COASTAL VOLUSIA-
SOUTHERN LAKE-NORTHERN BREVARD-
144 PM EST MON JAN 29 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON...
...RED FLAG WARNING IN EFFECT FROM 12 PM TO 6 PM EST TUESDAY...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 12 PM TO 6 PM EST TUESDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. A RED FLAG WARNING
REMAINS IN EFFECT UNTIL 6 PM EST THIS AFTERNOON. 

THE DRY AIRMASS THAT HAS OVERSPREAD THE REGION TODAY WILL CONTINUE
TO PRODUCE LONG DURATIONS OF LOW RELATIVE HUMIDITIES AGAIN
TOMORROW AFTERNOON. 

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 28, 3:27 AM ESTFreeze WatchMLBLake, Orange, Seminole, Volusia25 hr
Jan 28, 3:27 AM ESTLake Wind AdvisoryMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia11 hr
Jan 28, 2:05 PM ESTFire Weather WatchMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia24 hr
Jan 28, 2:29 PM ESTWind Chill AdvisoryMLBLake, Orange, Osceola, Seminole, Volusia20 hr

Nearby

Red Flag Warnings in Florida, 2007Every red flag warning in 2007

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.