An isolated storm developed along a convergence boundary in northeastern Okeechobee County, producing a brief funnel cloud.
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The episode as NWS MLB wrote it up.
An isolated storm developed along a convergence boundary in northeastern Okeechobee County, producing a brief funnel cloud.
The local office's own words before the first event, 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 the first event at Aug 7, 8:44 AM EST, 4 hours 22 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MELBOURNE FL 944 AM EDT TUE AUG 7 2012 .DISCUSSION... CURRENT-TONIGHT...SURFACE PRESSURE RIDGING WILL BEGIN BUILDING INTO THE CENTRAL PENINSULA THROUGH THE PERIOD. LOW-LEVEL WINDS MAINLY SOUTH-SOUTHEAST BETWEEN 5 AND 10 MPH AND MAY VEER A BIT MORE SOUTH-SOUTHWEST LATE TODAY AND OVERNIGHT AS SPEEDS DROP TO 5 MPH OR LESS MOST PLACES. EAST COAST SEA BREEZE DEVELOPMENT BY EARLY AFTERNOON WILL BACK WINDS MORE EAST-SOUTHEAST HERE. DEEPEST MOISTURE WILL BE FOUND NORTHWARD TODAY AS AN UPPER TROUGH MOVES ACROSS THE SOUTHEAST U.S. AND NORTH FLORIDA. WILL KEEP HIGHEST POPS...HIGH END CHANCE...AROUND 50 PERCENT ALONG THE I-4 CORRIDOR NORTHWARD AND STAGGER DOWNWARD TOWARD 20 PERCENT ACROSS THE ST. LUCIE COUNTY AND MARTIN COUNTY COASTS. DIURNAL ACTIVITY WILL DECREASE BY EARLY TO MID EVENING OVER THE AREA. MAIN STORMS THREATS REMAIN LIGHTNING/HEAVY RAIN/FEW STRONG DOWNBURSTS...TYPICAL FOR THIS TIME OF YEAR. TEMPS LOOK PRETTY CLOSE TO CLIMO...AROUND 90 ALONG THE COAST AND LOWER 90S INLAND WIT MINS MOSTLY IN THE L-M70S. && .AVIATION...SSE WINDS 5-10 KTS DECREASING TO 5 KTS OR LESS THIS EVENING AND OVERNIGHT. SCT SHRA/TSRA AGAIN THIS AFTN NEAR MOST TAF SITES WITH GREATEST CHANCES NORTH OF A LINE FROM KISM-KMCO-KTTS WHERE MOISTURE AND CONVERGENCE WILL BE BEST. FEW STORMS COULD HAVE TORRENTIAL RAINS...FREQUENT LIGHTNING AND GUSTY DOWNBURST WINDS. && .MARINE...TODAY-TONIGHT...S/SSE BREEZE TODAY MAINLY 8-12 KTS POSSIBLY PICKING UP THIS EVENING BRIEFLY TO 10-15 KTS FOR A BIT. WIND DIRECTION MAY BECOME S/SSW BY DAYBREAK WED. SEAS 2-3 FT NEAR SHORE AND 3-4 FT OFFSHORE. A FEW STORMS MAY MOVE OFF THE EAST COAST LATE TODAY...MAINLY CAPE NORTHWARD. && .MLB WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. && SEDLOCK
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 1154 AM EDT TUE AUG 7 2012 AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141- 144-147-072200- 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- 1154 AM EDT TUE AUG 7 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE...THIS AFTERNOON AND TONIGHT. .THUNDERSTORM IMPACT... ABUNDANT MOISTURE COUPLED WITH SEA AND LAKE BREEZES WILL PRODUCE SCATTERED LIGHTNING STORMS ACROSS EAST CENTRAL FLORIDA. EXPECT A FEW STORMS TO INITIALLY DEVELOP BETWEEN LAKE OKEECHOBEE AND THE TREASURE COAST THIS AFTERNOON. FROM MID TO LATE AFTERNOON STORMS WILL SHIFT NORTH AND INLAND AND INCREASE IN COVERAGE DUE TO THE INTERACTION OF SEA LAKE AND STORM OUTFLOW BOUNDARIES. ACTIVITY WILL LINGER A FEW HOURS AFTER SUNSET FROM ORLANDO AND TITUSVILLE NORTHWARD. STORMS WILL MOVE GENERALLY NORTH AT 10 MPH AND THE STRONGEST ACTIVITY WILL PRODUCE FREQUENT CLOUD TO GROUND LIGHTNING...WIND GUSTS OF 40 TO 50 MPH...AND TORRENTIAL RAINFALL AMOUNTS BETWEEN ONE AND THREE INCHES IN A 60 TO 90 MINUTE PERIOD. MOVE INDOORS TO SAFETY IF SKIES LOOK THREATENING...OR YOU HEAR THUNDER. .FLOOD IMPACT... LOCAL RAIN AMOUNTS OF ONE AND A HALF TO TWO INCHES IN A SHORT PERIOD WILL PRODUCE NUISANCE FLOODING AND STANDING WATER IN LOW SPOTS AND ON ROADWAYS. DRIVING MAY BE HAZARDOUS DUE TO COMBINATION OF LOW VISIBILITY AND WET ROADWAYS. .MARINE THUNDERSTORM GUST IMPACT... STORMS WILL HAVE THE POTENTIAL TO PRODUCE WIND GUSTS OF 34 KNOTS OR GREATER OVER THE INTRACOASTAL AND NEAR SHORE ATLANTIC WATERS... AS WELL AS ANY LARGER INLAND LAKES AS THEY MOVE NORTH AT 10 KNOTS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. EXPECT A SLIGHT DECREASE IN STORM COVERAGE THROUGH LATE WEEK AS SLIGHTLY DRIER AIR WILL THEN BUILD INTO THE AREA...WITH A GRADUAL INCREASE IN STORM CHANCES ONCE AGAIN BY THIS WEEKEND. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. CRISTALDI/PENDERGRAST
The Melbourne radar (KMLB), 72 km away, was scanning. The volume nearest the first event began at 18:06 UTC.
1 funnel cloud. Local standard time, as filed.
A fire department official, looking north from the Okeechobee County Correctional Institution, briefly observed a funnel cloud.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2012Every state in 2012This day in weather historyWarnings in Florida, August 2012
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 389289.