Alert archive / Florida / Special Weather Statements in 2016

Special Weather Statement, NWS Miami, FL

April 16, 2016Monroe County, Florida

NWS Miami, FL issued this special weather statement at Apr 16, 2016, 5:57 PM EDT for Monroe County, Florida. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 16, 2016, 5:57 PM EDT (21:57 UTC)
Expired
Apr 16, 2016, 6:45 PM EDT
In force
48 min
Issued by
NWS Miami, FL

County Monroe County, FL

The radar

The Miami radar (KAMX), 79 km from the middle of the area, began a volume at 21:59 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

Miami, FL (KMFL), launched 12:00Z, 10.0 hours before the alert went out and 101 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, Miami, FL at 12:00Z on 2016-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 218 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, Miami, FL at 12:00Z on 2016-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -52 square meters per square second.193958Sfc1 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
218 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
1156 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
-52 m²/s²
0-3 km storm-relative helicity
7 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, 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 this special weather statement went out at Apr 16, 4:40 PM EDT, 1 hour 17 minutes earlier.

Area forecast discussion, Apr 16, 4:40 PM EDT, 1 hour 17 minutes before
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Hazardous weather outlook, Apr 16, 12:51 PM EDT, 5 hours 6 minutes before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA...UPDATED
NATIONAL WEATHER SERVICE MIAMI FL
1251 PM EDT SAT APR 16 2016

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
170000-
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-
1251 PM EDT SAT APR 16 2016

...HIGH RISK OF RIP CURRENTS ATLANTIC BEACHES...
...STORMS MAY PRODUCE HAIL AND STRONG WINDS...
...SMALL CRAFT ADVISORY ATLANTIC WATERS...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

RIP CURRENTS: THERE IS A HIGH RISK FOR RIP CURRENTS ACROSS ALL OF
THE ATLANTIC BEACHES FROM PALM BEACH COUNTY SOUTHWARD TO BROWARD
AND MIAMI DADE COUNTIES.

THUNDERSTORMS: NUMEROUS THUNDERSTORMS ARE EXPECTED TO DEVELOP
ACROSS SOUTH FLORIDA, MAINLY DURING THE AFTERNOON AND EVENING.
THE PRIMARY HAZARDS FROM THESE THUNDERSTORMS WILL BE STRONG WIND,
FREQUENT CLOUD TO GROUND LIGHTNING STRIKE, AND HAIL.

WATERSPOUTS: CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF
ISOLATED WATERSPOUTS, MAINLY ALONG THE ATLANTIC COASTAL AND
INTRACOASTAL WATERS FROM PALM BEACH COUNTY SOUTHWARD TO BROWARD
AND MIAMI DADE COUNTIES.

WIND: ISOLATED TO SCATTERED WIND GUSTS UP TO 55 MPH ARE POSSIBLE
IN THUNDERSTORMS THIS AFTERNOON ESPECIALLY OVER THE SOUTHWEST AND
SOUTHERN INTERIOR AREAS OF SOUTH FLORIDA. IN ADDITION, WINDS WILL
BECOME NORTHEAST AT 20 TO 25 KNOTS THIS AFTERNOON ON ATLANTIC
WATERS, AND A SMALL CRAFT ADVISORY IS IN EFFECT.

HAIL: THERE IS A CHANCE OF HAIL TO THE SIZE OF NICKELS WITH
THE THUNDERSTORMS THIS AFTERNOON...EXCEPT FOR SOUTHWEST AND
EXTREME SOUTHERN AREAS OF SOUTH FLORIDA WHERE HAIL UP TO QUARTER
SIZE.

WAVES: WAVES WILL INCREASE ACROSS THE ATLANTIC WATERS THIS
AFTERNOON AND TONIGHT, LEADING TO SMALL CRAFT ADVISORY
CONDITIONS. SEAS WILL BUILD TO 6 TO 10 FEET.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THE HIGH RISK FOR RIP CURRENTS ON ATLANTIC BEACHES CONTINUES
SUNDAY AND MAY PERSIST THROUGH THE MIDDLE OF NEXT WEEK.

WINDS AND WAVES WILL CONTINUE TO RESULT IN SMALL CRAFT ADVISORY
CONDITIONS ACROSS THE ATLANTIC WATERS SUNDAY AND LIKELY WILL
PERSIST THROUGH AT LEAST TUESDAY NIGHT.

.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.

BAXTER

In the hours before

Special weather statement, Apr 16, 11:57 AM EDT, 6 hours before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1157 AM EDT SAT APR 16 2016

FLZ168-172-173-170000-
COASTAL PALM BEACH-COASTAL BROWARD-COASTAL MIAMI-DADE-
INCLUDING THE CITIES OF...JUPITER...WEST PALM BEACH...
BOCA RATON...POMPANO BEACH...FORT LAUDERDALE...
FORT LAUDERDALE BEACH...HOLLYWOOD BEACH...AVENTURA...
MIAMI BEACH...MIAMI SHORES...DOWNTOWN MIAMI...CUTLER BAY...
HOMESTEAD BAYFRONT PARK
1157 AM EDT SAT APR 16 2016

...HIGH RISK OF RIP CURRENTS ATLANTIC BEACHES OF SOUTH FLORIDA...

NORTHEAST WINDS OF 10 TO 15 MPH ALONG WITH NORTHEAST SWELLS OF 2
TO 5 FEET WILL CONTINUE TO AFFECT THE ATLANTIC BEACHES OF SOUTH
FLORIDA TODAY. THE COMBINATION OF NORTHEAST WINDS AND NORTHEAST
SWELLS WILL LEAD TO RIP CURRENTS ALONG THE ATLANTIC BEACHES
OF SOUTH FLORIDA. THERE HAS BEEN 10 RESCUES ALREADY AT MIAMI
BEACH THIS MORNING...AND SWIMMERS ARE ADVISE TO REMAIN OUT OF
WATER TODAY. IF GOING INTO WATER...IT IS ADVICE TO SWIM NEAR LIFE
GUARDS.

BAXTER
Local storm report, Apr 16, 4:02 PM EDT, 1 hour 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
402 PM EDT SAT APR 16 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0605 PM     HAIL             1 WNW HYPOLUXO          26.57N  80.06W
04/15/2016  E2.00 INCH       PALM BEACH         FL   PUBLIC

            VIDEO OBTAINED VIA BROADCAST MEDIA OF HAIL SLIGHTLY
            LARGER THAN GOLF BALL SIZE IN LANTANA NEAR FEDERAL
            HIGHWAY AND HYPOLUXO ROAD.

&&

EVENT NUMBER MFL1600272

MOLLEDA
Special weather statement, Apr 16, 4:04 PM EDT, 1 hour 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
404 PM EDT SAT APR 16 2016

FLZ067-071-162045-
INLAND BROWARD COUNTY FL-INLAND PALM BEACH COUNTY FL-
404 PM EDT SAT APR 16 2016

...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT TO EXCESSIVE
LIGHTNING...SMALL HAIL AND 45 TO 55 MPH WINDS FOR NORTHWESTERN
BROWARD AND SOUTHWESTERN PALM BEACH COUNTIES UNTIL 445 PM EDT...

* AT 403 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
  NEAR ROTENBERGER WILDLIFE REFUGE...OR 23 MILES SOUTH OF SOUTH BAY.
  THIS STORM WAS NEARLY STATIONARY.

* FREQUENT TO EXCESSIVE LIGHTNING...GUSTY WINDS FROM 45 TO 55 MPH...
  SMALL HAIL...TORRENTIAL DOWNPOURS...OR A COMBINATION OF THESE ARE
  POSSIBLE. 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...
  ROTENBERGER WILDLIFE REFUGE.

LAT...LON 2640 8087 2641 8068 2622 8067 2622 8087
TIME...MOT...LOC 2003Z 004DEG 1KT 2632 8079

KSCHARF
Special weather statement, Apr 16, 4:43 PM EDT, 1 hour 14 minutes before
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Special weather statement, Apr 16, 5:27 PM EDT, 30 minutes before
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Special weather statement, Apr 16, 5:57 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 9:14 PM EDTSpecial Marine WarningMFL91 min
Apr 15, 10:39 PM EDTSpecial Marine WarningMFL66 min
Apr 16, 3:54 AM EDTRip Current StatementMFLBroward, Miami-Dade, Palm Beach7 days
Apr 16, 3:55 AM EDTSmall Craft AdvisoryMFL4 days
Apr 16, 4:52 AM EDTSpecial Marine WarningMFL53 min
Apr 16, 4:04 PM EDTSpecial Weather StatementMFLBroward41 min
Apr 16, 4:22 PM EDTHigh Surf AdvisoryMFLBroward, Palm Beach56 hr
Apr 16, 4:43 PM EDTSpecial Weather StatementMFLMiami-Dade47 min
Apr 16, 5:16 PM EDTSpecial Marine WarningMFL89 min
Apr 16, 5:27 PM EDTSpecial Weather StatementMFLCollier33 min
Apr 16, 6:22 PM EDTSevere Thunderstorm WarningMFLMonroe38 min
Apr 16, 6:35 PM EDTSpecial Marine WarningMFL85 min
Apr 16, 6:35 PM EDTSpecial Weather StatementMFLCollier55 min
Apr 16, 6:59 PM EDTSpecial Weather StatementMFLMonroe31 min
Apr 16, 7:27 PM EDTSpecial Weather StatementMFLCollier48 min

Nearby

Special Weather Statements in Florida, 2016Every special weather statement in 2016

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.