A moist and unstable environment led to scattered afternoon showers and thunderstorms across portions of South Florida.
Every event with a place to put it. Tap one for its entry below.
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 MFL wrote it up.
A moist and unstable environment led to scattered afternoon showers and thunderstorms across portions of South Florida.
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 Miami, FL wrote its last area forecast discussion before the first event at Aug 26, 1:31 PM EST, 24 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIAMI FL 231 PM EDT MON AUG 26 2013 .DISCUSSION... A DIFFUSE FRONTAL BOUNDARY LINGERS ACROSS THE REGION WITH AN UPPER LEVEL TROUGH BUILDING INTO THE NORTHEAST GULF. CURRENTLY ACTIVE SHOWERS AND THUNDERSTORMS HAVE BECOME ESTABLISHED ACROSS THE EASTERN PENINSULA WITH ACTIVITY EXPECTED TO PUSH FURTHER INLAND AND ACROSS THE INTERIOR AND WEST LATER THIS AFTERNOON AND THIS EVENING. AROUND THE 00Z TO 02Z TIME FRAME THE SHOWERS AND THUNDERSTORMS ARE EXPECTED TO SUBSIDE ALTHOUGH ISOLATED SHOWERS AND THUNDERSTORMS ARE POSSIBLE TONIGHT. THE UPPER LEVEL LOW IS FORECAST TO BECOME A CUT-OFF LOW AND LINGER ACROSS SOUTH FLORIDA AND ADJACENT WATERS THROUGH AT LEAST MID WEEK...POSSIBLY LONGER...WITH MID LEVELS COOLING. HOWEVER AS THE BOUNDARY LAYER MOISTURE CONTINUES TO EXIT THE REGION DRIER AIR IS FORECAST TO PREVAIL TUESDAY THROUGH LATE WEEK WITH PWATS FORECAST TO BE AROUND 1.5 TO 1.6 INCHES WITH A DRYING TREND FORECAST TUESDAY THROUGH THE WORK WEEK...ALTHOUGH DIURNALLY DRIVEN AFTERNOON SHOWERS AND THUNDERSTORMS ARE FORECAST IN THE INTERIOR PORTIONS OF THE PENINSULA WITH ISOLATED ACTIVITY ACROSS THE REGIONAL ATLANTIC AND GULF WATERS. && .AVIATION... CONVECTION CURRENTLY FORMING ALONG EAST COAST SEA BREEZE AND WILL SLOWLY PUSH INLAND THROUGH 19Z SO LEFT VCTS UNTIL THEN FOR THE KOPF, KMIA AND KTMB. ADDITIONAL DEVELOPMENT WILL OCCUR INLAND AND THEN MOVE WEST TOWARDS KAPF SO PLACED VCTS IN THEIR TAF AFT 19Z. MOSTLY VFR CONDITIONS EXPECTED BUT VERY BRIEF MVFR/IFR COULD OCCUR BUT WILL TEND TO PERSIST LESS THAN 20 MINUTES. SEA BREEZE HAS SET UP ALONG THE SOUTHWEST COAST AND WILL ALSO SLOWLY PUSH INLAND BEFORE WIND BECOME LESS THAN 5KT ALL TERMINALS AFT 02-04Z. && .MARINE... THE PRESSURE GRADIENT ACROSS THE REGION IS FORECAST TO BE WEAK WITH WINDS ACROSS THE REGIONAL WATERS FORECAST TO BE AROUND 10 KNOTS OR LESS THROUGH FRIDAY. THE SEAS ACROSS THE REGIONAL WATERS ARE FORECAST TO BE LESS THAN 3 FEET THROUGH THE FORECAST PERIOD. && .PRELIMINARY POINT TEMPS/POPS... WEST PALM BEACH 78 90 77 91 / 20 20 20 20 FORT LAUDERDALE 77 89 78 88 / 20 20 20 20 MIAMI 78 90 78 90 / 20 20 20 20 NAPLES 75 91 75 90 / 30 30 20 20 && .MFL WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. GM...NONE. && DISCUSSION/MARINE/FIRE...60/BD AVIATION/RADAR...30/KOB
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA NATIONAL WEATHER SERVICE MIAMI FL 444 AM EDT MON AUG 26 2013 AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676- 270000- LAKE OKEECHOBEE-BISCAYNE BAY- COASTAL WATERS FROM JUPITER INLET TO DEERFIELD BEACH, FL OUT 20 NM- COASTAL WATERS FROM DEERFIELD BEACH TO OCEAN REEF, FL OUT 20 NM- WATERS FROM JUPITER INLET TO DEERFIELD BEACH, FL EXTENDING FROM 20 NM TO 60 NM- WATERS FROM DEERFIELD BEACH TO OCEAN REEF, FL EXTENDING FROM 20 NM TO THE TERRITORIAL WATERS OF THE BAHAMAS-GLADES-HENDRY- INLAND PALM BEACH-METRO PALM BEACH-COASTAL COLLIER-INLAND COLLIER- INLAND BROWARD-METRO BROWARD-INLAND MIAMI DADE-METRO MIAMI DADE- MAINLAND MONROE-COASTAL PALM BEACH-COASTAL BROWARD- COASTAL MIAMI DADE-FAR SOUTH MIAMI DADE- COASTAL WATERS FROM CHOKOLOSKEE TO BONITA BEACH, FL OUT 20 NM- COASTAL WATERS FROM EAST CAPE SABLE TO CHOKOLOSKEE, FL OUT 20 NM- GULF WATERS FROM CHOKOLOSKEE TO BONITA BEACH, FL EXTENDING FROM 20 TO 60 NM- 444 AM EDT MON AUG 26 2013 ...SCATTERED TO NUMEROUS THUNDERSTORMS... ...MINOR FLOODING POSSIBLE... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS: SCATTERED TO LOCALLY NUMEROUS THUNDERSTORMS ARE EXPECTED TODAY, WITH THE GREATEST CONCENTRATION OF STORMS OVER INTERIOR SECTIONS SOUTH OF LAKE OKEECHOBEE THIS AFTERNOON. THE MAIN THREAT WILL BE OCCASIONAL TO FREQUENT LIGHTNING. FLOODING: SLOW-MOVING SHOWERS AND THUNDERSTORMS TODAY MAY LEAD TO MINOR AND URBAN-TYPE FLOODING, ESPECIALLY OVER INTERIOR AND EAST COAST AREAS. WATERSPOUTS: SOME OF THE SHOWERS AND THUNDERSTORMS OVER THE ATLANTIC AND BISCAYNE BAY MAY PRODUCE WATERSPOUTS, ESPECIALLY ALONG ORGANIZED BANDS OF CLOUDS AND SHOWERS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED EACH DAY MAINLY DURING THE AFTERNOON AND EVENING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED. FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI. MOLLEDA
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 153 PM EDT MON AUG 26 2013 FLZ073-261815- INLAND MIAMI-DADE COUNTY FL 153 PM EDT MON AUG 26 2013 ...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR NORTHERN MIAMI-DADE COUNTY...FOR THE DEVELOPMENT OF FUNNEL CLOUDS... * UNTIL 215 PM EDT * AT 149 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM 5 MILES NORTHEAST OF MICCOSUKEE RESORT...AND MOVING WEST AT 25 MPH. A MEMBER OF THE PUBLIC HAD REPORTED A FUNNEL NEAR THE INTERSECTION OF MIRAMAR PARKWAY AND UNIVERSITY DRIVE. RADAR SHOWS SOME WEAK CIRCULATION WITH THIS STORM AS IT CONTINUES TO MOVE WEST. * THE STORM WILL AFFECT... MICCOSUKEE RESORT... AND SURROUNDING COMMUNITIES. THIS ACTIVITY WAS ALSO DEVELOPING IN AN ENVIRONMENT FAVORABLE FOR THE FORMATION OF FUNNEL CLOUDS. STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA FOR ADDITIONAL UPDATES AND POSSIBLE WARNINGS. RESIDENTS NEAR THE PATH OF SHOULD REMAIN ON THE ALERT FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS. LAT...LON 2571 8054 2590 8055 2594 8045 2581 8039 TIME...MOT...LOC 1752Z 079DEG 23KT 2583 8048 KOB
The Miami radar (KAMX), 122 km away, was scanning. The volume nearest the first event began at 18:54 UTC.
2 funnel cloud. Local standard time, as filed.
A spotter reported two successive funnel clouds extending nearly halfway to the ground just east of Belle Glade.
A member of the public reported a funnel cloud near Pelican Lake east of Pahokee.
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, August 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: 470233, 470235.