An isolated heavy shower moved onshore from the Atlantic late at night and produced wind damage to the upper story of an apartment complex.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS MLB wrote it up.
An isolated heavy shower moved onshore from the Atlantic late at night and produced wind damage to the upper story of an apartment complex.
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 Sep 11, 7:00 PM EST, 4 hours 15 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MELBOURNE FL 800 PM EDT WED SEP 11 2013 .DISCUSSION...UPPER LEVEL LOW CONTINUES SPIN JUST OFFSHORE NE FLORIDA THIS EVENING...SLOWLY LIFTING NORTHWARDS ALONG THE COAST. IT WILL BE ABSORBED INTO THE LARGER TROUGH MOVING THROUGH THE EASTERN US LATER THIS WEEK. THE DRY AIRMASS THAT REMAINS PRESENT OVER THE REGION HAS WON OUT OVER THE INSTABILITY FROM THE UPPER LEVEL LOW...AND COVERAGE HAS BEEN MINIMAL THIS AFTERNOON. RADAR AND SATELLITE SHOW SEVERAL OUTFLOW BOUNDARIES AND CLOUD LINES FROM EARLIER CONVECTION OFFSHORE...AND THESE WILL BE THE STARTING POINTS FOR CONVECTION THIS EVENING AND OVERNIGHT. ANOTHER ROUND OF SCATTERED ATLANTIC SHOWERS WITH ISOLATED THUNDERSTORMS IS EXPECTED. MUCH WEAKER STEERING FLOW WILL BRING FEWER OF THESE TO THE COAST OVERNIGHT...ALONG WITH LESS INLAND PENETRATION. OVERNIGHT LOWS IN THE MID-UPPER 70S ALONG THE COAST...AND LOW-MID 70S INLAND. && .AVIATION...SCT ATLC SHRA/ISOLD TSRA OVERNIGHT...THOUGH WEAKER STEERING FLOW WILL BRING FEWER INTO THE COAST. MAINLY VCSH FOR COASTAL TAF SITES...BUT TEMPO MVFR CONDITIONS POSSIBLE WITH ANY ACTIVITY THAT REACHES THE COAST. RAIN CHANCES SLIGHTLY HIGHER INTO THURSDAY AFTERNOON...WITH BEST CHANCES LATE IN THE DAY OVER THE INTERIOR. && .MARINE...ONSHORE FLOW WILL CONTINUE TO DECREASE AS GRADIENT RELAXES OVERNIGHT. EAST-NORTHEAST FLOW AROUND 10KTS THIS EVENING WILL DECREASE TO AROUND 5KTS BY DAYBREAK THURSDAY. EAST COAST SEA BREEZE DEVELOPMENT WILL LEAD BRING WINDS BACK UP TO AROUND 10KTS NEAR THE SHORE IN THE AFTERNOON. SEAS 2-3 FT...WITH UP TO 4 FT WELL OFFSHORE OVERNIGHT. && .MLB WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. && MOSES/BOWEN
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 445 AM EDT WED SEP 11 2013 AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141- 144-147-112000- 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- 445 AM EDT WED SEP 11 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE...TODAY AND TONIGHT. .THUNDERSTORM IMPACT... A MOISTENING ONSHORE WIND FLOW COMBINED WITH COOLER AND DRIER AIR ALOFT FROM A MID TO UPPER LEVEL LOW...WILL BRING A SMALL CHANCE FOR STRONG STORMS TO THE AREA TODAY. THE GREATEST CHANCE SHOULD BE ACROSS AREAS SOUTH OF ORLANDO AND CAPE CANAVERAL DURING THE AFTERNOON WHERE THE MOISTURE WILL BE HIGHEST AND BOUNDARY COLLISIONS MOST NUMEROUS. THE MAIN HAZARD WILL BE FROM LIGHTNING STRIKES...BUT GUSTY WINDS OF AT LEAST 40 TO 45 MPH MAY OCCUR IN A FEW STRONG STORMS ALONG WITH BRIEF TORRENTIAL DOWNPOURS. .FLOOD IMPACT... WITH THE PERSISTENT ONSHORE FLOW CONTINUING INTO TONIGHT...SCATTERED BANDS OF SHOWERS ALONG THE TREASURE COAST MAY PRODUCE LOCAL PONDING WATER PROBLEMS. .RIP CURRENT IMPACT... THE SURF ZONE WILL BE MODERATELY DANGEROUS TODAY DUE TO HEAVY BREAKING WAVES AND RIP CURRENTS. CHECK WITH OCEAN RESCUE PERSONNEL ABOUT SURF DANGERS AND SWIM WITHIN SIGHT OF A LIFEGUARD. .MARINE THUNDERSTORM GUST IMPACT... WESTWARD MOVING SCATTERED SHOWERS AND ISOLATED STORMS WILL PRODUCE GUSTY WINDS. THE STRONGEST CELLS WILL BE CAPABLE OF GUSTS TO AROUND 40 MPH. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. A WEAK LOW LEVEL TROUGH IS EXPECTED TO INCREASE THE COVERAGE OF SHOWERS AND STORMS ON THURSDAY. A HIGH PRESSURE RIDGE BUILDING ACROSS CENTRAL FLORIDA LATE IN THE WEEK SHOULD DECREASE COVERAGE AGAIN. FRESHENING ONSHORE FLOW BY LATE IN THE WEEKEND SHOULD START TO MOISTEN THINGS BACK UP...AND ALSO RETURN A MODERATE SURF ZONE RISK. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE REQUESTED TO MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED. LASCODY
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
626 PM EDT WED SEP 11 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0515 PM WATER SPOUT 1 E PATRICK AIR FORCE B 28.24N 80.59W
09/11/2013 AMZ552 FL OTHER FEDERAL
AN OFF-DUTY AIR FORCE WEATHER OBSERVER REPORTED A
WATERSPOUT APPROXIMATELY 1/2 MILE OFFSHORE PATRICK AIR
FORCE BASE AT 515PM LOCAL. DURATION WAS LESS THAN 3
MINUTES.
&&
ULRICHThe Melbourne radar (KMLB), 125 km away, was scanning. The volume nearest the first event began at 04:15 UTC.
1 thunderstorm wind. Local standard time, as filed.
An isolated heavy shower moved onshore from the Atlantic and produced very localized wind damage to an apartment complex. The strong winds ripped down a large section of siding from the second story of an apartment. No other damage was confirmed in the area.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2013Every state in 2013This day in weather historyWarnings in Florida, September 2013
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: 468948.