Deep tropical moisture across the region along with an upper level system and southwesterly flow brought numerous showers and storms across South Florida during the late morning and early afternoon hours. A severe thunderstorm was recorded near the northeast Broward County coast as it moved offshore.
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The episode as NWS MFL wrote it up.
Deep tropical moisture across the region along with an upper level system and southwesterly flow brought numerous showers and storms across South Florida during the late morning and early afternoon hours. A severe thunderstorm was recorded near the northeast Broward County coast as it moved offshore.
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 Jun 17, 9:50 AM EST, 1 hour 31 minutes earlier.
Area Forecast Discussion National Weather Service Miami FL 1050 AM EDT FRI JUN 17 2016 .UPDATE... Radar data is now showing thunderstorms marching across the western half of South Florida, and will spread into Broward and Palm Beach counties through the rest of the morning hours. Miami- Dade will likely begin to experience active thunderstorm periods in the early afternoon hours. The overall westerly-southwesterly flow will keep pushing convection over the Gulf coast towards the Atlantic coast today. This will increase chances for downpours and some minor localized flooding over some of the South Florida metro areas. Gusty winds to 50 mph or even higher are possible with the strongest cells. There is also a moderate risk of rip currents over the Gulf beaches today and through the weekend. && .PREV DISCUSSION... /issued 749 AM EDT FRI JUN 17 2016/ AVIATION... Periods of MVFR conditions, or even brief IFR are possible later today across most of the Atlantic terminals as showers and thunderstorms develop along coastline locations. Also, thunderstorms forming over the Gulf coast will move eastward and reach the vicinity of the Atlantic terminals at times. TEMPO groups have been added for most terminals for potential thunderstorms between 15z and 19z today, but will likely be adjusted as timing becomes more clearer regarding convective initiation and overall rain coverage. PREV DISCUSSION... /issued 425 AM EDT FRI JUN 17 2016/ DISCUSSION... Synoptic models in pretty good agreement that a 500mb cutoff low will dig south, off the east coast of the United States. The models show it sitting off the Carolina coast by Sunday afternoon. Ahead of it, a surface low will form off the north Florida/ Georgia coast this weekend. This sfc low will rotate around the upper low through the weekend, and end up aligning with it by Monday. At that point, a stronger 500mb trough digs south over the great lakes Region, effectively picking up the cutoff, and quickly moves it to the northeast on Tuesday. The lows will bring several waves of instability to South Florida, helping to enhance the afternoon showers and storms across the area for the next several days. For today, models are hinting that it may be an early start to todays convective activity, in conjunction with some 500mb vort advection across the area. There is already some convective activity across the middle of the area, crossing from Naples into Broward County. There may be a lull from around dawn to mid morning, when a stronger area of vort advection moves into the lake region. This will serve as early support for showers and storms across the northern portion of the CWA. The flow will be westerly today, so, convection should develop towards the Gulf coast, and move across the interior, to the Atlantic coastal areas. The concern with this is any Atlantic sea breeze that tries to form, may cause some of the storms to either back-build, train, or even just stall over the Atlantic metro areas today. This would bring a slight risk of some urban flooding. Also, if that interaction does develop, there may be a slight chance of some water spouts, although they may occur with any showers or storms across the South Florida coastal waters today. This same type of pattern will continue on Sunday and Monday, keeping some likely PoPs in the interior Saturday and Sunday. The low should start pulling away on Monday, slightly reducing the chances of showers and storms. As it pulls away, models are hinting the low may develop some sort of frontal system, that may push the convective activity to vicinity of the CWA for Tuesday and Wednesday. This will keep chances for showers and thunderstorms in the forecast through Thursday. By the end of the week, another 500mb trough dig southward, across the eastern US. This will once again enhance the chances for convective activity for the end of next week. AVIATION... VFR flying conditions are expected to prevail at the TAF sites through the TAF period ending 06z Saturday, with the exception being any possible MVFR conditions associated with afternoon thunderstorms. Have gone with VCTS at the east coast TAF sites beginning 14z and at 11z at KAPF where shower and thunderstorm activity may get going earlier there. Highest confidence in possible MVFR flying conditions is at KPBI, KFXE, and KFLL where PROB30 groups were indicated from 16z-19z. Winds will be out of the west/southwest at 5-10 knots overnight, increasing to 10-15 knots during the daytime hours. MARINE... The weather will be similar as the last several days, with a chance of showers and thunderstorms each day, mainly moving offshore from the Atlantic coastal area, although some activity over the Gulf is possible as well. There is a slight chance of waterspouts with and showers or thunderstorms today across the South Florida coastal waters. By the beginning of the week, the wind will turn northeasterly, causing the Atlantic seas to build, possibly bringing hazardous conditions to those waters for small craft for the first half of next week. This would also cause the risk of rip currents to be elevated by the beginning of next week for the Atlantic beaches. && .PRELIMINARY POINT TEMPS/POPS... West Palm Beach 91 77 93 75 / 50 20 70 40 Fort Lauderdale 91 78 92 77 / 50 10 60 30 Miami 91 77 93 78 / 50 10 30 20 Naples 86 78 90 78 / 50 20 40 20 && .MFL Watches/Warnings/Advisories... FL...None. AM...None. GM...None. && SHORT TERM... LONG TERM....17/AR
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA NATIONAL WEATHER SERVICE MIAMI FL 1025 AM EDT FRI JUN 17 2016 AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676- 180230- 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 FROM 20 TO 60 NM- WATERS FROM DEERFIELD BEACH TO OCEAN REEF FL FROM 20 TO 60 NM EXCLUDING THE TERRITORIAL WATERS OF 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- WATERS FROM CHOKOLOSKEE TO BONITA BEACH FL FROM 20 TO 60 NM- 1025 AM EDT FRI JUN 17 2016 ...SCATTERED TO NUMEROUS THUNDERSTORMS EXPECTED TODAY... ...MODERATE RISK OF RIP CURRENTS AT GULF BEACHES THROUGH THE WEEKEND... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS: THUNDERSTORMS WILL BE POSSIBLE ACROSS SOUTH FLORIDA DURING THE MORNING AND INTO THE AFTERNOON AND EVENING HOURS WITH THE PRIMARY THREATS BEING FREQUENT LIGHTNING, GUSTY WINDS, AND HEAVY RAINFALL. TORNADOES: THERE IS A LOW RISK OF WATERSPOUTS ACROSS THE GULF AND ATLANTIC WATERS TODAY. WIND: WIND GUSTS IN EXCESS OF 45 MPH ARE POSSIBLE IN THE STRONGEST THUNDERSTORMS, MAINLY OVER PALM BEACH COUNTY AND AROUND LAKE OKEECHOBEE. FLOODING: HEAVY RAINFALL MAY LEAD TO LOCALIZED FLOODING OF POOR DRAINAGE AND URBANIZED AREAS, ESPECIALLY ACROSS THE EAST COAST METRO AREA. A MODERATE RISK OF RIP CURRENTS IS LIKELY AT GULF BEACHES TODAY. TEMPERATURES: APPARENT TEMPERATURES, OR HEAT INDEX, WILL BE AROUND 100 DEGREES ACROSS PORTIONS OF THE SOUTHEASTERN PENINSULA TODAY. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY AFTERNOON AND EVENING THUNDERSTORMS CHANCES WILL CONTINUE THROUGH THE WEEKEND INTO EARLY NEXT WEEK. A MODERATE RISK OF RIP CURRENTS IS LIKELY AT GULF BEACHES THROUGH THE WEEKEND. HAZARDOUS BOATING CONDITIONS, ESPECIALLY FOR SMALL CRAFT OPERATORS, ARE EXPECTED TO START DEVELOPING SUNDAY NIGHT AND CONTINUE THROUGH TUESDAY, WITH SEAS POSSIBLY RISING INTO THE 7-10FT RANGE AT TIMES. .SPOTTER INFORMATION STATEMENT... WIDESPREAD SPOTTER ACTIVATION IS NOT ANTICIPATED, HOWEVER INDIVIDUAL SPOTTERS ARE ENCOURAGED TO REPORT HIGH WIND AND HAIL TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 1110 AM EDT FRI JUN 17 2016 FLZ066-067-071-171600- INLAND PALM BEACH COUNTY-INLAND BROWARD COUNTY-HENDRY- 1110 AM EDT FRI JUN 17 2016 ...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN BROWARD... SOUTHWESTERN PALM BEACH AND EAST CENTRAL HENDRY COUNTIES... AT 1109 AM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR ROTENBERGER WILDLIFE REFUGE...OR 18 MILES SOUTHWEST OF SOUTH BAY...MOVING EAST AT 40 MPH. WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... ROTENBERGER WILDLIFE REFUGE...HOLEY LAND WILDLIFE REFUGE AND OKEELANTA. FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE. LAT...LON 2628 8090 2662 8093 2665 8048 2628 8043 TIME...MOT...LOC 1509Z 263DEG 35KT 2643 8087 AR
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1129 AM EDT FRI JUN 17 2016
FLZ066-070-071-171600-
INLAND COLLIER COUNTY FL-INLAND BROWARD COUNTY FL-HENDRY FL-
1129 AM EDT FRI JUN 17 2016
...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT TO EXCESSIVE LIGHTNING
AND 45 TO 55 MPH WINDS FOR EAST CENTRAL COLLIER AND WESTERN BROWARD
COUNTIES UNTIL NOON EDT...
* AT 1129 AM EDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 9 MILES SOUTHEAST OF
ROTENBERGER WILDLIFE REFUGE TO MICCOSUKEE SERVICE PLAZA TO 7 MILES
NORTHEAST OF BIG CYPRESS NATIONAL PRESERVE...AND MOVING EAST AT 30
MPH.
* THE PRIMARY IMPACTS WILL BE FREQUENT TO EXCESSIVE LIGHTNING AND
GUSTY WINDS OF 45 TO 55 MPH. LIGHTNING IS THE NUMBER ONE WEATHER
RELATED KILLER IN FLORIDA. TREES AND OPEN SHELTERS OFFER NO
PROTECTION. THESE WINDS CAN DOWN SMALL TREE LIMBS AND BRANCHES...
AND BLOW AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE
BUILDING UNTIL THE STORM PASSES.
* LOCATIONS IMPACTED INCLUDE...
INTERSECTION ALLIGATOR ALLEY AND MIAMI CANAL...
MICCOSUKEE INDIAN RESERVATION...
MILE MARKER 30 ON ALLIGATOR ALLEY...MICCOSUKEE SERVICE PLAZA...
BIG CYPRESS NATIONAL PRESERVE AND WEST BROWARD REC. AREA ON
ALLIGATOR ALLEY.
LAT...LON 2628 8043 2599 8055 2598 8087 2605 8104
2616 8098 2628 8086
TIME...MOT...LOC 1529Z 266DEG 25KT 2628 8075 2616 8081 2606 8097
KSCHARFSPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1149 AM EDT FRI JUN 17 2016
FLZ063-171630-
GLADES-
1149 AM EDT FRI JUN 17 2016
...A STRONG THUNDERSTORM WILL AFFECT GLADES COUNTY...
AT 1148 AM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR VENUS...OR
NEAR PALMDALE...MOVING EAST AT 20 MPH.
WINDS IN EXCESS OF 30 MPH ARE POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
LAKEPORT...PALMDALE...BUCKHEAD RIDGE...
BRIGHTON SEMINOLE RESERVATION...
INDIAN PRAIRIE CANAL MOUTH AND OKEE TANTIE RECREATION AREA.
THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
LAT...LON 2717 8090 2717 8088 2714 8087 2715 8087
2716 8086 2699 8088 2695 8100 2689 8100
2688 8091 2686 8090 2681 8147 2703 8143
2704 8133 2703 8127 2712 8127 2712 8117
2721 8117 2721 8094
TIME...MOT...LOC 1548Z 266DEG 33KT 2702 8130
ARSPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1158 AM EDT FRI JUN 17 2016
FLZ067-068-071-072-074-168-172-173-171630-
COASTAL MIAMI DADE COUNTY FL-COASTAL PALM BEACH COUNTY FL-
COASTAL BROWARD COUNTY FL-INLAND PALM BEACH COUNTY FL-
INLAND BROWARD COUNTY FL-METRO BROWARD COUNTY FL-
METRO PALM BEACH COUNTY FL-METROPOLITAN MIAMI DADE FL-
1158 AM EDT FRI JUN 17 2016
...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT TO EXCESSIVE LIGHTNING
AND 45 TO 55 MPH WINDS FOR BROWARD COUNTY UNTIL 1230 PM EDT...
* AT 1157 AM EDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS EXTENDING FROM 10 MILES WEST OF CORAL SPRINGS TO
15 MILES WEST OF PEMBROKE PINES...AND MOVING EAST AT 45 MPH.
* THE PRIMARY IMPACTS WILL BE FREQUENT TO EXCESSIVE LIGHTNING AND
GUSTY WINDS OF 45 TO 55 MPH. LIGHTNING IS THE NUMBER ONE WEATHER
RELATED KILLER IN FLORIDA. TREES AND OPEN SHELTERS OFFER NO
PROTECTION. THESE WINDS CAN DOWN SMALL TREE LIMBS AND BRANCHES...
AND BLOW AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE
BUILDING UNTIL THE STORM PASSES.
* LOCATIONS IMPACTED INCLUDE...
FORT LAUDERDALE...PEMBROKE PINES...HOLLYWOOD...MIRAMAR...
CORAL SPRINGS...POMPANO BEACH...DAVIE...PLANTATION...SUNRISE...
BOCA RATON...DEERFIELD BEACH...TAMARAC...MARGATE...
LIGHTHOUSE POINT...LAUDERDALE-BY-THE-SEA...HALLANDALE...
LAUDERHILL...WESTON...COCONUT CREEK AND OAKLAND PARK.
LAT...LON 2625 8003 2597 8005 2598 8071 2620 8060
2633 8050 2634 8023 2633 8021 2633 8010
2632 8010 2632 8008 2634 8008
TIME...MOT...LOC 1557Z 267DEG 38KT 2632 8042 2620 8043 2603 8058
KSCHARFSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 1202 PM EDT FRI JUN 17 2016 FLZ067-068-071-168-171645- COASTAL PALM BEACH COUNTY-INLAND PALM BEACH COUNTY-INLAND BROWARD COUNTY-METRO PALM BEACH COUNTY- 1202 PM EDT FRI JUN 17 2016 ...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN PALM BEACH COUNTY... AT 1201 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 11 MILES WEST OF LOXAHATCHEE NWR...OR 12 MILES SOUTHWEST OF WELLINGTON...MOVING EAST AT 30 MPH. WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... WEST PALM BEACH...BOCA RATON...BOYNTON BEACH...DELRAY BEACH... WELLINGTON...LAKE WORTH...PALM BEACH...HIGHLAND BEACH... OCEAN RIDGE...GREENACRES...ROYAL PALM BEACH...PALM SPRINGS... LANTANA...ATLANTIS...HAVERHILL...CLOUD LAKE...VILLAGE OF GOLF... BOCA DEL MAR...HAMPTONS AT BOCA RATON AND MISSION BAY. FREQUENT LIGHTNING IS POSSIBLE WITH THIS STORM. TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. LAT...LON 2675 8003 2634 8007 2633 8050 2670 8048 TIME...MOT...LOC 1601Z 261DEG 26KT 2655 8041 AR
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
1221 PM EDT FRI JUN 17 2016
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1212 PM TSTM WND GST 2 WSW CORAL SPRINGS 26.26N 80.30W
06/17/2016 M52 MPH BROWARD FL MESONET
A WIND GUST OF 52MPH...45KTS WAS RECORDED AT A
WEATHERBUG MESONET SITE LOCATED AT CORAL GLADES HIGH
SCHOOL AT 1211PM EDT
&&
EVENT NUMBER MFL1600367
KELLYThe Miami radar (KAMX), 82 km away, was scanning. The volume nearest the first event began at 16:22 UTC.
1 thunderstorm wind. Local standard time, as filed.
A severe thunderstorm produced a wind gust of 59 knots/68 mph at a WeatherBug site located at the Deerfield Beach Code Enforcement Office.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2016Every state in 2016This day in weather historyWarnings in Florida, June 2016
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: 642329.