Alert archive / Florida / Fire Weather Watches in 2012

Fire Weather Watch 7, NWS Melbourne, FL

February 24, 20125 counties in Florida

NWS Melbourne, FL issued this fire weather watch at Feb 24, 2012, 3:23 PM EST for 5 counties in Florida. It took effect at Feb 25, 2012, 12:00 PM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Feb 24, 2012, 3:23 PM EST (20:23 UTC)
In effect from
Feb 25, 2012, 12:00 PM EST
Expired
Feb 25, 2012, 4:19 AM EST
In force
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 20:25 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

Jacksonville, FL (KJAX), launched 12:00Z, 8.4 hours before the alert went out and 212 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, Jacksonville, FL at 12:00Z on 2012-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 593 joules per kilogram.LCLLFCEL10008507005003002001001 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, Jacksonville, FL at 12:00Z on 2012-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 201 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
593 J/kg
Mixed-layer CIN
-283 J/kg
Mixed-layer LCL
560 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
201 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this fire weather watch 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 fire weather watch went out at Feb 24, 2:53 PM EST, 30 minutes earlier.

Area forecast discussion, Feb 24, 2:53 PM EST, 30 minutes before
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Hazardous weather outlook, Feb 24, 10:05 AM EST, 5 hours 18 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE MELBOURNE FL
1005 AM EST FRI FEB 24 2012

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-241900-
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-
1005 AM EST FRI FEB 24 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

.HIGH WIND IMPACT...
A LAKE WIND ADVISORY IS IN EFFECT THROUGH THE AFTERNOON. SOUTHWEST
WINDS AROUND 20 MPH WITH GUSTS OF 30 TO 35 MPH WILL DEVELOP LATE
THIS AFTERNOON ACROSS LAKE...VOLUSIA...SEMINOLE...ORANGE...OSCEOLA
AND BREVARD COUNTIES. SLIGHTLY LOWER WIND SPEEDS CAN BE EXPECTED
FROM OKEECHOBEE COUNTY TO THE TREASURE COAST. THESE WINDS WILL MAKE
OPEN WATERS ON THE INTRACOASTAL WATERS AND INLAND LAKES VERY
CHOPPY...WHICH CAN TIP OR SWAMP SMALL CRAFT.

.SMOKE IMPACT...
SMOKE MAY SIGNIFICANTLY REDUCE VISIBILITIES ALONG I 95 IN NORTH
BREVARD COUNTY NEAR TITUSVILLE DUE TO A LARGE SMOLDERING WILDFIRE.

.RIP CURRENT IMPACT...
WEATHER AND OCEAN CONDITIONS WILL PRODUCE AN ELEVATED THREAT FOR
RIP CURRENTS AT THE BEACHES OF EAST CENTRAL FLORIDA TODAY. ALWAYS
SWIM WITHIN SIGHT OF A LIFEGUARD.

.WIND AND SEA IMPACT...
A SMALL CRAFT ADVISORY IS IN EFFECT FOR OFFSHORE WATERS NORTH OF
SEBASTIAN INLET. ELSEWHERE SMALL CRAFT SHOULD EXERCISE CAUTION OVER
THE OPEN ATLANTIC DUE TO SOUTHWEST WINDS 15 TO 20 KNOTS. SHORT
PERIOD WIND WAVES WILL PRODUCE CHOPPY CONDITIONS OVER ALL THE WATERS.

.FIRE WEATHER IMPACT...
STRONG AND GUSTY SOUTHWEST WINDS WILL CAUSE CONTROL PROBLEMS WITH
ANY NEW OR EXISTING FIRES. DUE TO A DRY LAYER OF AIR ABOVE THE
SURFACE MINIMUM RELATIVE HUMIDITY VALUES MAY FALL CLOSE TO CRITICAL
VALUES THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.
STRONG AND GUSTY NORTHWEST WINDS BEHIND A COLD FRONT WILL PRODUCE
HAZARDOUS BOATING CONDITIONS SATURDAY WHILE A COMBINATION OF WIND
AND DRIER AIR WILL INCREASE THE FIRE THREAT OVER LAND.

BOATING CONDITIONS WILL REMAIN POOR THROUGH TUESDAY DUE TO A STOUT
ONSHORE FLOW.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

SEDLOCK/KELLY

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 3:58 AM ESTLake Wind AdvisoryMLBLake, Okeechobee, Orange, Osceola, Seminole, Volusia14 hr
Feb 24, 10:27 AM ESTSmall Craft AdvisoryMLB66 hr

Nearby

Fire Weather Watches in Florida, 2012Every fire weather watch in 2012

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.