Alert archive / Florida / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 39, NWS Miami, FL

September 5, 2015Miami-Dade County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Sep 5, 2015, 2:51 PM EDT for Miami-Dade County, Florida. It was in force for 24 min. 6 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
Sep 5, 2015, 2:51 PM EDT (18:51 UTC)
Expired
Sep 5, 2015, 3:15 PM EDT
In force
24 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Miami-Dade County, FL

The radar

The Miami radar (KAMX), 8 km from the middle of the area, began a volume at 18:53 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
Sep 5, 2:51 PM EDTTSTM WND GST 603 W Kendall, FLMEASURED AT MIAMI DADE COLLEGE
Sep 5, 2:52 PM EDTTSTM WND DMG3 Se Kendale Lakes, FLLARGE BRANCH BLOCKING NORTHBOUND SW 112TH AVENUE AT SW 96TH ST ON NORTH SIDE OF MIAMI DADE COLLEGE KENDALL CAMPUS.
Sep 5, 2:52 PM EDTTSTM WND DMG3 W Kendall, FLLARGE TREE UPROOTED NEAR SW 106TH AVE AND 99TH ST.
Sep 5, 2:52 PM EDTTSTM WND DMG3 W Kendall, FLVERY LARGE MAHOGANY TREE BRANCH BROKE OFF AT SW 107TH COURT AND SW 99TH STREET ON EAST SIDE OF MIAMI DADE COLLEGE KENDALL CAMPUS.
Sep 5, 2:52 PM EDTHAIL 0.753 W Kendall, FLREPORT OF HAIL AND STRONG WINDS RECEIVED VIA SOCIAL MEDIA
Sep 5, 2:55 PM EDTTSTM WND DMG2 Se Kendale Lakes, FLLIGHT POLE KNOCKED DOWN ALONG SW 127TH AVENUE NEAR 88TH STREET. REPORT RECEIVED VIA SOCIAL MEDIA.

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, 6.9 hours before the alert went out and 22 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 2015-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2002 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 2015-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
2002 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
846 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

633 
WUUS52 KMFL 051851
SVRMFL
FLC086-051915-
/O.NEW.KMFL.SV.W.0039.150905T1851Z-150905T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
251 PM EDT SAT SEP 5 2015

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

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

* UNTIL 315 PM EDT

* AT 251 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM
  WAS LOCATED OVER KENDALL. THIS STORM WAS NEARLY STATIONARY.

* LOCATIONS IMPACTED INCLUDE...
  CORAL GABLES...SOUTH MIAMI...KENDALL...THE REDLAND AND PINECREST. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

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

&&

LAT...LON 2563 8029 2563 8030 2562 8030 2561 8031
      2559 8031 2550 8035 2564 8054 2573 8035
      2568 8027
TIME...MOT...LOC 1851Z 040DEG 4KT 2566 8036 

$$

KONARIK
1 follow-up statement
437 
WWUS52 KMFL 051916
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
316 PM EDT SAT SEP 5 2015

FLC086-051925-
/O.EXP.KMFL.SV.W.0039.000000T0000Z-150905T1915Z/
MIAMI-DADE FL-
316 PM EDT SAT SEP 5 2015

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MIAMI-DADE COUNTY HAS
EXPIRED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE. HOWEVER GUSTY WINDS
ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 2563 8029 2563 8030 2562 8030 2561 8031
      2559 8031 2550 8035 2564 8054 2573 8035
      2568 8027
TIME...MOT...LOC 1913Z 040DEG 4KT 2566 8036 

$$

KONARIK

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 5, 1:29 PM EDTSpecial Weather StatementMFLBroward46 min
Sep 5, 2:18 PM EDTSpecial Weather StatementMFLMiami-Dade42 min
Sep 5, 2:25 PM EDTSpecial Weather StatementMFLMiami-Dade50 min
Sep 5, 3:10 PM EDTSpecial Weather StatementMFLMiami-Dade50 min
Sep 5, 3:50 PM EDTSpecial Marine WarningMFL25 min
Sep 5, 3:59 PM EDTSpecial Weather StatementMFLMiami-Dade46 min
Sep 5, 4:47 PM EDTSpecial Weather StatementMFLMonroe43 min
Sep 5, 5:23 PM EDTSpecial Weather StatementMFLMonroe52 min

Nearby

Severe Thunderstorm Warnings in Florida, 2015Every severe thunderstorm warning in 2015

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.