Alert archive / Florida / Special Weather Statements in 2016

Special Weather Statement, NWS Miami, FL

August 30, 2016Miami-Dade County, Monroe County, Florida

NWS Miami, FL issued this special weather statement at Aug 30, 2016, 1:23 PM EDT for Miami-Dade County, Monroe County, Florida. It was in force for 52 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
Aug 30, 2016, 1:23 PM EDT (17:23 UTC)
Expired
Aug 30, 2016, 2:15 PM EDT
In force
52 min
Issued by
NWS Miami, FL

Counties Miami-Dade County, FL, Monroe County, FL

The radar

The Miami radar (KAMX), 53 km from the middle of the area, began a volume at 17:27 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, 5.4 hours before the alert went out and 80 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 2016-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 924 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 2016-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -65 square meters per square second.1939Sfc1 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
924 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
691 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-65 m²/s²
0-3 km storm-relative helicity
-61 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 Aug 30, 11:37 AM EDT, 1 hour 46 minutes earlier.

Area forecast discussion, Aug 30, 11:37 AM EDT, 1 hour 46 minutes before
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</head>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Aug 30, 8:00 AM EDT, 5 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA
NATIONAL WEATHER SERVICE MIAMI FL
800 AM EDT TUE AUG 30 2016

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
310000-
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-
800 AM EDT TUE AUG 30 2016

...SQUALLY WEATHER CONTINUES ACROSS SOUTH FLORIDA TODAY...
...FLOODING POSSIBLE ANYWHERE BUT GREATEST RISK ALONG GULF COAST...
...HIGH RISK OF RIP CURRENTS ATLANTIC BEACHES...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...TODAY AND TONIGHT

RIP CURRENTS: THERE IS A HIGH RISK OF RIP CURRENTS FOR THE
ATLANTIC BEACHES.

THUNDERSTORMS: FREQUENT RAIN SQUALLS WILL CONTINUE TO MOVE FROM
THE SOUTHEAST TO NORTHWEST ACROSS ALL OF SOUTH FLORIDA THROUGH THE
DAY WITH EMBEDDED THUNDERSTORMS POSSIBLE. THE PRIMARY HAZARDS
WILL BE OCCASIONAL LIGHTING STRIKES, LOCALLY HEAVY RAINFALL, AND
BRIEF GUSTY WINDS.

WIND: BRIEF GUSTY WINDS OF 40 TO 50 MPH WILL BE POSSIBLE WITH THE
STRONGEST STORMS AND SQUALLS. A SMALL CRAFT ADVISORY IS ALSO IN
EFFECT FOR ALL ATLANTIC AND GULF WATERS.

FLOODING: PERIODS OF LOCALLY HEAVY RAINFALL WILL IMPACT ALL OF SOUTH
FLORIDA WITH GREATEST CHANCES THIS AFTERNOON AND EVENING. SOME
FLOODING MAY BE POSSIBLE WITH THIS ACTIVITY ANYWHERE WITH THE
GREATEST RISK ALONG GULF COAST AND LAKE OKEECHOBEE REGION. POTENTIAL
IMPACTS INCLUDE STREET FLOODING AND EVEN SOME WATER ENTERING
STRUCTURES IN HARDEST HIT PLACES. CONTINUE TO MONITOR IN CASE
WATCHES OR WARNINGS BECOME NECESSARY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THE NATIONAL HURRICANE CENTER CONTINUES TO MONITOR THE PROGRESS OF
TROPICAL DEPRESSION NINE, CURRENTLY MOVING OVER THE SOUTHEASTERN
GULF OF MEXICO.

DEEP TROPICAL MOISTURE WILL CONTINUE TO WORK NORTHWARD INTO SOUTH
FLORIDA AROUND TD NINE AS IT FORECAST TO MOVE TO THE NORTHWEST,
AND EVENTUALLY NORTHEAST ACROSS THE EASTERN GULF OF MEXICO AND
INTO NORTH FLORIDA LATE THIS WEEK. FREQUENT RAIN SQUALLS WILL
CONTINUE ACROSS THE REGION, WITH TRAINING OF STORMS LEADING TO
PERIODS OF HEAVY RAINFALL. SOME FLOODING MAY BE POSSIBLE WITH
THIS ACTIVITY THROUGH LATE WEEK, ESPECIALLY AREAS OF POOR DRAINAGE
IN URBANIZED LOCATIONS.

RESIDENTS AND VISITORS SHOULD CONTINUE TO CLOSELY MONITOR THE
FORECAST OVER THE NEXT FEW DAYS. STAY INFORMED WITH THE LATEST
PRODUCTS FROM THE NATIONAL HURRICANE CENTER AND THE NATIONAL
WEATHER SERVICE IN MIAMI.

THE RISK OF RIP CURRENTS WILL REMAIN MODERATE TO HIGH FOR THE
ATLANTIC BEACHES THROUGH THE WEEK, WITH AN INCREASING RIP CURRENT
RISK FOR GULF COAST BEACHES INTO LATE WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED AT THIS TIME.

FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN
MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI.

In the hours before

Special weather statement, Aug 30, 12:35 PM EDT, 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1235 PM EDT TUE AUG 30 2016

FLZ073-075-173-174-301715-
MAINLAND MONROE FL-COASTAL MIAMI DADE COUNTY FL-INLAND MIAMI-
DADE COUNTY FL-FAR SOUTH MIAMI-DADE COUNTY FL-
1235 PM EDT TUE AUG 30 2016

...SIGNIFICANT WEATHER ADVISORY FOR 45 TO 55 MPH WINDS FOR
SOUTHEASTERN MAINLAND MONROE AND SOUTHWESTERN MIAMI-DADE COUNTIES
UNTIL 115 PM EDT...

* AT 1234 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8
  MILES SOUTHEAST OF FLAMINGO...MOVING NORTH AT 20 MPH.

* THE PRIMARY IMPACTS WILL BE GUSTY WINDS OF 45 TO 55 MPH. 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...
  HOMESTEAD...THE REDLAND...HOMESTEAD GENERAL AIRPORT...FLORIDA CITY...
  ROYAL PALM RANGER...EVERGLADES NATIONAL PARK...FLAMINGO...MAHOGANY
  HAMMOCK...PA-HAY-
  OKEE OVERLOOK...NARANJA...LEISURE CITY AND PRINCETON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO STREET FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 2512 8111 2560 8106 2556 8041 2524 8044
      2520 8050 2521 8057 2522 8057 2523 8052
      2524 8054 2524 8057 2515 8065 2515 8066
      2516 8065 2514 8078 2518 8081 2514 8090
TIME...MOT...LOC 1634Z 195DEG 25KT 2509 8081

67
Special weather statement, Aug 30, 1:23 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
123 PM EDT TUE AUG 30 2016

FLZ073>075-173-174-301815-
MAINLAND MONROE FL-COASTAL MIAMI DADE COUNTY FL-INLAND MIAMI-
DADE COUNTY FL-FAR SOUTH MIAMI-DADE COUNTY FL-
METROPOLITAN MIAMI DADE FL-
123 PM EDT TUE AUG 30 2016

...SIGNIFICANT WEATHER ADVISORY FOR 45 TO 55 MPH WINDS FOR EASTERN
MAINLAND MONROE AND SOUTHWESTERN MIAMI-DADE COUNTIES UNTIL 215 PM
EDT...

* AT 122 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
  NEAR PA-HAY-OKEE OVERLOOK...OR 13 MILES WEST OF HOMESTEAD GENERAL
  AIRPORT...MOVING NORTH AT 20 MPH.

* THE PRIMARY IMPACTS WILL BE GUSTY WINDS OF 45 TO 55 MPH. 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...
  HOMESTEAD...HOMESTEAD MIAMI SPEEDWAY...THE REDLAND...HOMESTEAD GENERAL
  AIRPORT...KENDALL...FLORIDA CITY...GOULDS...MAHOGANY HAMMOCK...THE
  HAMMOCKS...THE CROSSINGS...RICHMOND WEST...WEST KENDALL...PA-HAY-
  OKEE OVERLOOK...LEISURE CITY...ZOO MIAMI...ROYAL PALM RANGER...
  EVERGLADES NATIONAL PARK...FLAMINGO...COUNTRY WALK AND SHARK VALLEY
  OBS TOWER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO STREET FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 2514 8103 2571 8109 2568 8038 2524 8042
      2521 8054 2520 8054 2524 8057 2518 8061
      2519 8064 2514 8066 2514 8067 2515 8066
      2517 8068 2514 8070 2516 8077 2514 8078
      2518 8081 2516 8082 2517 8090 2514 8090
TIME...MOT...LOC 1722Z 195DEG 49KT 2549 8077

67

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 8:05 AM EDTAreal Flood AdvisoryMFLCollier3 hr
Aug 30, 10:31 AM EDTAreal Flood AdvisoryMFLCollier3 hr
Aug 30, 12:31 PM EDTSpecial Marine WarningMFL59 min
Aug 30, 12:35 PM EDTSpecial Weather StatementMFLMonroe40 min
Aug 30, 1:24 PM EDTAreal Flood AdvisoryMFLCollier4 hr
Aug 30, 2:08 PM EDTAreal Flood AdvisoryMFLPalm Beach3 hr
Aug 30, 2:14 PM EDTFlood WatchMFLBroward, Collier, Glades, Hendry, Miami-Dade, Palm Beach25 hr
Aug 30, 2:14 PM EDTAreal Flood AdvisoryMFLBroward3 hr
Aug 30, 3:03 PM EDTSpecial Marine WarningMFL27 min
Aug 30, 3:29 PM EDTSpecial Marine WarningMFL46 min
Aug 30, 4:10 PM EDTSpecial Marine WarningMFL65 min
Aug 30, 5:12 PM EDTAreal Flood AdvisoryMFLCollier2 hr

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.