Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 8, NWS Melbourne, FL

February 8, 20074 counties in Florida

NWS Melbourne, FL issued this red flag warning at Feb 8, 2007, 4:30 AM EST for 4 counties in Florida. It took effect at Feb 8, 2007, 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
Feb 8, 2007, 4:30 AM EST (09:30 UTC)
In effect from
Feb 8, 2007, 11:00 AM EST
Expired
Feb 8, 2007, 6:00 PM EST
In force
7 hr
Issued by
NWS Melbourne, FL

Counties Lake County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL

The radar

The Melbourne radar (KMLB), 61 km from the middle of the area, began a volume at 09:28 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 00:00Z, 9.5 hours before the alert went out and 82 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 00:00Z on 2007-02-08Temperature 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 00:00Z on 2007-02-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.1939Sfc1 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
2630 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
66 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 080930
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
430 AM EST THU FEB 8 2007

...A RED FLAG WARNING IS IN EFFECT FROM 11 AM TO 6 PM TODAY
ACROSS OSCEOLA AND OKEECHOBEE COUNTIES FOR LONG DURATION OF LOW
RELATIVE HUMIDITY...

FLZ053-058-082300-
/O.NEW.KMLB.FW.W.0008.070208T1600Z-070208T2300Z/
OSCEOLA-OKEECHOBEE-
430 AM EST THU FEB 8 2007

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM EST
THIS AFTERNOON...

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 AFTERNOON FOR OSCEOLA AND OKEECHOBEE COUNTIES. 

DRY NORTHWEST WINDS COMBINED WITH TEMPERATURES IN THE MID 70S THIS
AFTERNOON WILL ALLOW AFTERNOON RELATIVE HUMIDITIES TO DROP TO BETWEEN
28 AND 34 PERCENT. DURATIONS OF LOW RELATIVE HUMIDITY ARE EXPECTED
FROM FOUR TO FIVE HOURS. WEST WINDS AT 5 TO 10 MPH EARLY WILL
BECOME NORTHWEST NEAR 10 MPH THIS 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.

$$

15
1 follow-up statement
000 
WWUS82 KMLB 082045
RFWMLB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
345 PM EST THU FEB 8 2007

...LOW RELATIVE HUMIDITIES EXPECTED AS FAR NORTH AS ORLANDO LATE THIS
AFTERNOON...

FLZ045-144-082300-
/O.EXA.KMLB.FW.W.0008.000000T0000Z-070208T2300Z/
ORANGE-SOUTHERN LAKE-
345 PM EST THU FEB 8 2007

...RED FLAG WARNING IN EFFECT UNTIL 6 PM EST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 6 PM EST THIS AFTERNOON. 

DRY NORTHWEST WINDS COMBINED WITH TEMPERATURES IN THE MID 70S
THIS AFTERNOON WILL ALLOW AFTERNOON RELATIVE HUMIDITIES TO DROP
TO BETWEEN 28 AND 34 PERCENT. DURATIONS OF LOW RELATIVE HUMIDITY
ARE EXPECTED FROM FOUR TO FIVE HOURS. WEST WINDS AT 5 TO 10 MPH
EARLY WILL BECOME NORTHWEST NEAR 10 MPH THIS 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.

$$

FLZ053-058-082300-
/O.CON.KMLB.FW.W.0008.000000T0000Z-070208T2300Z/
OSCEOLA-OKEECHOBEE-
345 PM EST THU FEB 8 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS
AFTERNOON. 

DRY NORTHWEST WINDS COMBINED WITH TEMPERATURES IN THE MID 70S
THIS AFTERNOON WILL ALLOW AFTERNOON RELATIVE HUMIDITIES TO DROP
TO BETWEEN 28 AND 34 PERCENT. DURATIONS OF LOW RELATIVE HUMIDITY
ARE EXPECTED FROM FOUR TO FIVE HOURS. WEST WINDS AT 5 TO 10 MPH
EARLY WILL BECOME NORTHWEST NEAR 10 MPH THIS 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.

$$

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.