Alert archive / Florida / Fire Weather Watches in 2011

Fire Weather Watch 5, NWS Melbourne, FL

January 22, 20115 counties in Florida

NWS Melbourne, FL issued this fire weather watch at Jan 22, 2011, 5:14 AM EST for 5 counties in Florida. It took effect at Jan 23, 2011, 12:00 PM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 22, 2011, 5:14 AM EST (10:14 UTC)
In effect from
Jan 23, 2011, 12:00 PM EST
Expired
Jan 23, 2011, 3:53 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 10:16 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

Tampa Bay, FL (KTBW), launched 00:00Z, 10.2 hours before the alert went out and 148 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, Tampa Bay, FL at 00:00Z on 2011-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 84 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, Tampa Bay, FL at 00:00Z on 2011-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
84 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
517 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.0

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 Jan 21, 4:00 PM EST, 13 hours 14 minutes earlier.

Area forecast discussion, Jan 21, 4:00 PM EST, 13 hours 14 minutes before
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Hazardous weather outlook, Jan 21, 11:12 AM EST, 18 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
1112 AM EST FRI JAN 21 2011

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-212100-
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-
1112 AM EST FRI JAN 21 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

...THUNDERSTORM IMPACT...
A PRE FRONTAL BAND OF SHOWERS AND ISOLATED THUNDERSTORMS WILL DROP
SOUTH OF THE TREASURE COAST THIS AFTERNOON.  THE MAIN HAZARD WILL BE
OCCASIONAL LIGHTNING STRIKES AND LOCAL HEAVY DOWNPOURS

...MARINE THUNDERSTORM GUST IMPACT...
ISOLATED STORMS MOVING OFFSHORE SOUTH OF FORT PIERCE INLET COULD
PRODUCE GUSTS AROUND 30 KNOTS THROUGH THIS AFTERNOON.

...WIND AND SEA IMPACT...
WINDS WILL SHIFT TO THE NORTH AND INCREASE BEHIND A FRONTAL
BOUNDARY...MAINLY FROM CAPE CANAVERAL NORTHWARD THIS AFTERNOON...
THEN ACROSS THE REMAINDER OF THE WATERS THIS EVENING. SMALL CRAFT
OPERATORS SHOULD EXERCISE CAUTION IF VENTURING OFFSHORE.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. BOATING
CONDITIONS WILL FURTHER DETERIORATE ON SATURDAY AS NORTHWEST TO NORTH
WINDS INCREASE DUE TO LOW PRESSURE DEVELOPING NORTH OF THE BAHAMAS.
THERE WILL BE AN INCREASED FIRE WEATHER CONCERN THIS WEEKEND WITH A
DRIER AIR MASS MOVING IN BEHIND THE FRONT. ANOTHER LOW PRESSURE
SYSTEM DEVELOPING IN THE GULF OF MEXICO EARLY NEXT WEEK WILL BRING A
CHANCE OF THUNDERSTORMS ON TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED TODAY.

LASCODY

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 22, 3:45 AM ESTFreeze WarningMLBLake, Volusia28 hr
Jan 22, 5:14 AM ESTRed Flag WarningMLBLake, Orange, Osceola, Seminole, Volusia13 hr

Nearby

Fire Weather Watches in Florida, 2011Every fire weather watch in 2011

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.