Alert archive / Florida / Red Flag Warnings in 2010

Red Flag Warning 17, NWS Melbourne, FL

February 15, 20106 counties in Florida

NWS Melbourne, FL issued this red flag warning at Feb 15, 2010, 11:50 AM EST for 6 counties in Florida. It took effect at Feb 15, 2010, 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
Feb 15, 2010, 11:50 AM EST (16:50 UTC)
In effect from
Feb 15, 2010, 12:00 PM EST
Expired
Feb 15, 2010, 6:00 PM EST
In force
6 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 16:56 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, 4.8 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 2010-02-15Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cape Canaveral, FL at 12:00Z on 2010-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 149 square meters per square second.1939587897117136Sfc1 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
1763 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
149 m²/s²
0-3 km storm-relative helicity
168 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.

126 
WWUS82 KMLB 151650
RFWMLB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
1150 AM EST MON FEB 15 2010

FLZ041-044>047-053-054-058-141-144-147-152300-
/O.NEW.KMLB.FW.W.0017.100215T1700Z-100215T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD-
OSCEOLA-INDIAN RIVER-OKEECHOBEE-COASTAL VOLUSIA-SOUTHERN LAKE-
NORTHERN BREVARD-
1150 AM EST MON FEB 15 2010

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

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

DRY SOUTHWEST WINDS AND WARMING AHEAD OF AN APPROACHING COLD FRONT
WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS THIS AFTERNOON. 

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.

&&

$$
1 follow-up statement
075 
WWUS82 KMLB 151912
RFWMLB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
212 PM EST MON FEB 15 2010

FLZ041-044>046-053-141-144-147-160900-
/O.NEW.KMLB.FW.A.0013.100216T1700Z-100216T2300Z/
/O.CON.KMLB.FW.W.0017.000000T0000Z-100215T2300Z/
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-OSCEOLA-
COASTAL VOLUSIA-SOUTHERN LAKE-NORTHERN BREVARD-
212 PM EST MON FEB 15 2010

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS
EVENING...
...FIRE WEATHER WATCH IN EFFECT TUESDAY AFTERNOON...

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

DRY SOUTHWEST WINDS AND WARMING AHEAD OF AN APPROACHING COLD
FRONT WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS THIS
AFTERNOON WITH CRITICALLY DRY CONDITIONS LIKELY AGAIN ON 
TUESDAY. 

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.

&&

$$

FLZ047-054-058-152300-
/O.CON.KMLB.FW.W.0017.000000T0000Z-100215T2300Z/
SOUTHERN BREVARD-INDIAN RIVER-OKEECHOBEE-
212 PM EST MON FEB 15 2010

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

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

DRY SOUTHWEST WINDS AND WARMING AHEAD OF AN APPROACHING COLD
FRONT WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS THIS
AFTERNOON.

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.

&&

$$

What forecasters said that day

The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Melbourne, FL wrote its last area forecast discussion before this red flag warning went out at Feb 15, 9:26 AM EST, 2 hours 24 minutes earlier.

Area forecast discussion, Feb 15, 9:26 AM EST, 2 hours 24 minutes before
EAST CENTRAL FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
926 AM EST MON FEB 15 2010

.DISCUSSION...
TODAY-TONIGHT...AN APPROACHING COLD FRONT OVER THE PANHANDLE JUST
WEST OF TALLAHASSEE CONTINUES MVMT TOWARD THE REGION. CLOUDINESS AND
SHOWERS REMAIN LARGELY ALONG AND WEST OF THE FRONTAL ZONE ATTM. THE
LOCAL SOUNDING AT XMR REMAINS QUITE DRY WITH LESS THAN HALF AN INCH
OF PRECIPITABLE WATER WITH VEERING WINDS FROM THE SFC UP THROUGH H7.
MIXING BY LATE MORNING WILL BRING SW WINDS AND GRADUAL MOISTURE
INCREASE TO THE AREA BY LATE AFTERNOON. PRECIP CHCS IN THE FORM OF
ISOLATED LIGHT RAIN OR SPRINKLES WILL UNFOLD BY EVENING WITH
APPROACH OF FRONT. LACK OF APPRECIABLE MOISTURE RETURN SHOULD
PRECLUDE QPF AMTS ANY MORE THAN A FEW HUNDREDTHS OF AN INCH THROUGH
THE TIME OF FRONTAL PSG LATER TODAY. WL UPDATE FCST WITH A FEW MINOR
ADJUSTMENTS.

&&

.AVIATION...
VFR THROUGH 21Z. ISOLD MVFR AFTER 22Z DUE TO CEILINGS AND
VISIBILITIES IN/NEAR RAINSHOWERS ASSOCIATED WITH A COLD FRONT MOVING
THROUGH THE AREA. MOST CIGS SHOULD REMAIN AOA 040 HOWEVER.

&&

.MARINE...INCREASING OFFSHORE COMPONENT FLOW AS THE GRADIENT
STRENGTHENS BETWEEN A FRONT ADVANCING OVER THE SOUTHEAST AND A HIGH
PRESSURE SYSTEM RETREATING AWAY FROM THE PENINSULA. WINDS EXPECTED
TO BE 15 TO 20 KNOTS OVER THE FAR OFFSHORE WATERS...20 NM AND BEYOND
AND AROUND 10 TO 15 KNOTS OVER THE NEARSHORE MARINE ZONES BEYOND A
FEW MILES OF SHORE OUT TO 20 NM INTO THE AFTERNOON. WINDS WL
INCREASE TO 20 KNOTS OR MORE OVER THE OUTER WATERS LATE TONIGHT.

&&

.FIRE WEATHER...CALM WINDS EARLY THIS MORNING WITH DEW POINTS IN
THE MID AND UPPER 30S. WINDS SHOULD BEGIN INCREASING AND SHIFT TO
THE SOUTH DURING THE MORNING AS THE ATMOSPHERE MIXES. LOOKING AT
MINIMUM RELATIVE HUMIDITY VALUES IN THE LOW 40S AS DEW POINTS ARE
EXPECTED TO RISE INTO THE 40S DURING THE AFTERNOON AS THE
SOUTHERLY FLOW PULLS GULF MOISTURE INTO THE AREA AND TEMPERATURES
CLIMB INTO THE MID AND UPPER 60S. ALTHOUGH GROUND MOISTURE IS HIGH
ENOUGH AND MINIMUM RELATIVE HUMIDITY VALUES ARE IN THE LOW
40S...LOW LEVEL WINDS APPROACH 15 MPH FOR A WHILE THEREFORE WILL
NEED TO KEEP A WATCH ON WEATHER CONDITIONS.

TUE-FRI...DRY AIR WILL RESULT IN SOME RH VALUES BELOW 35 PERCENT
THROUGH THE PERIOD. INDICATIONS ARE THAT THE GREATEST CHANCE FOR
LONG DURATIONS WILL BE LATER IN THE WEEK...ESPECIALLY THU-FRI AS
THE LOW LEVEL WIND TRAJECTORY SHIFTS TO THE NORTHWEST AND
MODIFYING INFLUENCE OF THE GULF BEGINS TO WANE.

&&

.MLB WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
AM...SMALL CRAFT ADVISORY FROM 10 PM THIS EVENING TO 4 AM EST
     THURSDAY FOR WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD
     COUNTY LINE 20 TO 60 NM OFFSHORE-WATERS FROM SEBASTIAN
     INLET TO JUPITER INLET 20 TO 60 NM OFFSHORE-WATERS FROM
     VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET 20 TO 60 NM
     OFFSHORE.

&&

JP/PG/DVD
Hazardous weather outlook, Feb 15, 5:18 AM EST, 6 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
518 AM EST MON FEB 15 2010

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-152000-
COASTAL WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE
OUT 20 NM-
COASTAL WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN
INLET OUT 20 NM-
COASTAL WATERS FROM SEBASTIAN INLET TO JUPITER INLET OUT 20 NM-
WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE 20 TO
60 NM OFFSHORE-
WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET 20 TO
60 NM OFFSHORE-
WATERS FROM SEBASTIAN INLET TO JUPITER INLET 20 TO 60 NM OFFSHORE-
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD-
OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-COASTAL VOLUSIA-
SOUTHERN LAKE-NORTHERN BREVARD-
518 AM EST MON FEB 15 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

...RIP CURRENT IMPACT...
MODERATE DUE TO LONG PERIOD SWELLS IMPACTING THE BEACHES. THE
THREAT WILL BE HIGHEST THROUGH THIS AFTERNOON...DURING THE
OUTGOING TIDE. CHECK WITH YOUR LOCAL BEACH PATROL FOR THE LATEST
BEACH CONDITIONS BEFORE ENTERING THE SURF...AND NEVER SWIM ALONE.

...WIND AND SEA IMPACT...
SOUTH TO SOUTHWEST WINDS WILL INCREASE TO 15 TO 20 KNOTS THIS AFTERNOON
THEN TO 20 TO 25 KNOTS KNOTS THIS EVENING AND OVERNIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.
TEMPERATURES WILL REMAIN BELOW NORMAL THROUGH FRIDAY WITH MORNING
LOW TEMPERATURES EXPECTED TO BE NEAR FREEZING INTERIOR LOCATIONS
WEDNESDAY MORNING

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

WIMMER

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 4:18 AM ESTSmall Craft AdvisoryMLB3 days
Feb 15, 2:12 PM ESTFire Weather WatchMLBLake, Orange, Osceola, Seminole, Volusia12 hr

Nearby

Red Flag Warnings in Florida, 2010Every red flag warning in 2010

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.