Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 52, NWS Miami, FL

August 9, 2016Miami-Dade County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Aug 9, 2016, 7:18 PM EDT for Miami-Dade County, Florida. It was in force for 42 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 9, 2016, 7:18 PM EDT (23:18 UTC)
Expired
Aug 9, 2016, 8:00 PM EDT
In force
42 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Miami-Dade County, FL

The radar

The Miami radar (KAMX), 24 km from the middle of the area, began a volume at 23:17 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.

What was reported inside it

TimeReportWhereRemark
Aug 9, 7:19 PM EDTMARINE TSTM WIND 392 W Little Havana, FL
Aug 9, 7:25 PM EDTMARINE TSTM WIND 422 Nne Downtown Miami, FLMESONET SITE MFR02
Aug 9, 7:31 PM EDTMARINE TSTM WIND 40Miami Beach, FLMESONET SITE MMBFR
Aug 9, 7:59 PM EDTMARINE TSTM WIND 422 Nne Downtown Miami, FLMESONET SITE MFR02

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 11.3 hours before the alert went out and 7 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 2016-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2267 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 12:00Z on 2016-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
2267 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
730 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

597 
WUUS52 KMFL 092318
SVRMFL
FLC086-100000-
/O.NEW.KMFL.SV.W.0052.160809T2318Z-160810T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
718 PM EDT TUE AUG 9 2016

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN MIAMI-DADE COUNTY IN SOUTHEASTERN FLORIDA...

* UNTIL 800 PM EDT

* AT 718 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MARLINS
  PARK... OR NEAR MIAMI...MOVING EAST AT 10 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  MIAMI...HIALEAH...MIAMI BEACH...CORAL GABLES AND KEY BISCAYNE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

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

&&

LAT...LON 2566 8031 2585 8037 2594 8017 2571 8009
TIME...MOT...LOC 2318Z 248DEG 8KT 2579 8024 

HAIL...<.75IN
WIND...60MPH
 
$$

IRL
5 follow-up statements
408 
WWUS52 KMFL 092324
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
724 PM EDT TUE AUG 9 2016

FLC086-100000-
/O.CON.KMFL.SV.W.0052.000000T0000Z-160810T0000Z/
MIAMI-DADE FL-
724 PM EDT TUE AUG 9 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR NORTHEASTERN MIAMI-DADE COUNTY...

AT 723 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MARLINS
PARK...OR OVER MIAMI...MOVING EAST AT 10 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
MIAMI...HIALEAH...MIAMI BEACH...CORAL GABLES AND SOUTH MIAMI. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

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

&&

LAT...LON 2570 8028 2585 8037 2594 8017 2575 8010
TIME...MOT...LOC 2323Z 248DEG 8KT 2579 8023 

HAIL...<.75IN
WIND...60MPH
 
$$

IRL
548 
WWUS52 KMFL 092330
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
730 PM EDT TUE AUG 9 2016

FLC086-100000-
/O.CON.KMFL.SV.W.0052.000000T0000Z-160810T0000Z/
MIAMI-DADE FL-
730 PM EDT TUE AUG 9 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR NORTHEASTERN MIAMI-DADE COUNTY...

AT 730 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER PORT OF
MIAMI... OR OVER MIAMI BEACH...MOVING EAST AT 10 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
MIAMI...HIALEAH...MIAMI BEACH...VIRGINIA KEY AND NORTH MIAMI. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

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

&&

LAT...LON 2572 8021 2586 8027 2590 8016 2575 8010
TIME...MOT...LOC 2330Z 256DEG 9KT 2579 8016 

HAIL...<.75IN
WIND...60MPH
 
$$

IRL
666 
WWUS52 KMFL 092336
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
736 PM EDT TUE AUG 9 2016

FLC086-100000-
/O.CON.KMFL.SV.W.0052.000000T0000Z-160810T0000Z/
MIAMI-DADE FL-
736 PM EDT TUE AUG 9 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR EASTERN MIAMI-DADE COUNTY...

AT 736 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER FISHER
ISLAND...OR OVER VIRGINIA KEY...MOVING EAST AT 10 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
MIAMI...MIAMI BEACH...VIRGINIA KEY...NORTH BAY VILLAGE AND PORT OF
MIAMI.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

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

&&

LAT...LON 2572 8020 2581 8022 2586 8014 2582 8013
      2575 8010
TIME...MOT...LOC 2336Z 250DEG 7KT 2577 8015 

HAIL...<.75IN
WIND...60MPH
 
$$

IRL
301 
WWUS52 KMFL 092342
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
742 PM EDT TUE AUG 9 2016

FLC086-100000-
/O.CON.KMFL.SV.W.0052.000000T0000Z-160810T0000Z/
MIAMI-DADE FL-
742 PM EDT TUE AUG 9 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR EASTERN MIAMI-DADE COUNTY...

AT 742 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MIAMI BEACH...
MOVING EAST AT 10 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
MIAMI...MIAMI BEACH...VIRGINIA KEY...NORTH BAY VILLAGE AND PORT OF
MIAMI.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

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

&&

LAT...LON 2572 8019 2582 8021 2586 8014 2582 8013
      2575 8010
TIME...MOT...LOC 2342Z 254DEG 8KT 2579 8013 

HAIL...<.75IN
WIND...60MPH
 
$$

IRL
035 
WWUS52 KMFL 092350
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
750 PM EDT TUE AUG 9 2016

FLC086-100000-
/O.EXP.KMFL.SV.W.0052.000000T0000Z-160810T0000Z/
MIAMI-DADE FL-
750 PM EDT TUE AUG 9 2016

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MIAMI-DADE COUNTY WILL
EXPIRE AT 800 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND HAS EXITED THE WARNED AREA. THEREFORE...THE WARNING WILL
BE ALLOWED TO EXPIRE.  HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL
POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 2572 8019 2582 8021 2586 8014 2582 8013
      2575 8010
TIME...MOT...LOC 2349Z 248DEG 8KT 2579 8013 

$$

IRL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 3:51 PM EDTSpecial Marine WarningMFL54 min
Aug 9, 4:12 PM EDTSpecial Weather StatementMFLBroward48 min
Aug 9, 4:21 PM EDTSevere Thunderstorm WarningMFLBroward39 min
Aug 9, 4:24 PM EDTSpecial Weather StatementMFLBroward51 min
Aug 9, 4:30 PM EDTSpecial Weather StatementMFLPalm Beach45 min
Aug 9, 4:50 PM EDTSpecial Weather StatementMFLBroward40 min
Aug 9, 4:54 PM EDTSevere Thunderstorm WarningMFLBroward50 min
Aug 9, 5:18 PM EDTSpecial Weather StatementMFLBroward42 min
Aug 9, 5:27 PM EDTSpecial Weather StatementMFLPalm Beach48 min
Aug 9, 5:36 PM EDTSpecial Weather StatementMFLBroward39 min
Aug 9, 6:20 PM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade3 hr
Aug 9, 7:13 PM EDTSpecial Marine WarningMFL62 min
Aug 9, 7:15 PM EDTSpecial Weather StatementMFLMiami-Dade30 min

Nearby

Severe Thunderstorm Warnings in Florida, 2016Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.