Alert archive / Florida / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 13, NWS Miami, FL

June 11, 2014Broward County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jun 11, 2014, 2:24 PM EDT for Broward County, Florida. It was in force for 13 min. 3 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
Jun 11, 2014, 2:24 PM EDT (18:24 UTC)
Expired
Jun 11, 2014, 2:37 PM EDT
In force
13 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Broward County, FL

The radar

The Miami radar (KAMX), 50 km from the middle of the area, began a volume at 18:24 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
Jun 11, 2:30 PM EDTTSTM WND DMG1 Nne Pembroke Pines, FLDOWNED TREE WITH DIAMETER 4 INCHES.
Jun 11, 2:30 PM EDTTSTM WND DMG3 E Pembroke Pines, FLPHOTOS RECEIVED VIA SOCIAL MEDIA DEPICTED SEVERAL LARGE TREES UPROOTED ALONG JOHNSON STREET.
Jun 11, 2:35 PM EDTTSTM WND DMG1 Ne Pembroke Pines, FLDOWNED PALM TREE.

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, 6.4 hours before the alert went out and 25 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 2014-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2020 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 2014-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
2020 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
738 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
72 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.

505 
WUUS52 KMFL 111824
SVRMFL
FLC011-111900-
/O.NEW.KMFL.SV.W.0013.140611T1824Z-140611T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
224 PM EDT WED JUN 11 2014

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BROWARD COUNTY IN SOUTHEAST FLORIDA...

* UNTIL 300 PM EDT

* AT 224 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM
  WAS LOCATED OVER PEMBROKE PINES...AND MOVING NORTHEAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  FORT LAUDERDALE...PEMBROKE PINES...HOLLYWOOD...MIRAMAR...DAVIE...
  PLANTATION...SUNRISE...DANIA BEACH...COOPER CITY...INTERSECTION
  I-75 AND GRIFFIN ROAD...SUNSHINE ACRES...ROYAL PALM RANCHES...PINE
  ISLAND RIDGE...ESTATES OF FORT LAUDERDALE...RAVENSWOOD ESTATES...
  PINES BLVD AND UNIVERSITY DRIVE...OAK POINT...BROADVIEW PARK...NOVA
  SOUTHEASTERN UNIVERSITY AND CHAMBERS ESTATES.

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.

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

&&

LAT...LON 2598 8031 2602 8038 2619 8030 2606 8015
TIME...MOT...LOC 1824Z 222DEG 15KT 2602 8033 

$$

AK
1 follow-up statement
636 
WWUS52 KMFL 111837
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
237 PM EDT WED JUN 11 2014

FLC011-111846-
/O.CAN.KMFL.SV.W.0013.000000T0000Z-140611T1900Z/
BROWARD FL-
237 PM EDT WED JUN 11 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BROWARD COUNTY IS
CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE 
LIMITS. THEREFORE THE WARNING HAS BEEN CANCELLED. HOWEVER GUSTY 
WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 2598 8031 2602 8038 2619 8030 2606 8015
TIME...MOT...LOC 1836Z 222DEG 15KT 2606 8029 

$$

AK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 8:27 AM EDTSpecial Marine WarningMFL33 min
Jun 11, 9:01 AM EDTSpecial Marine WarningMFL29 min
Jun 11, 12:40 PM EDTSpecial Marine WarningMFL35 min
Jun 11, 1:54 PM EDTSpecial Weather StatementMFLBroward21 min
Jun 11, 2:00 PM EDTSpecial Marine WarningMFL30 min
Jun 11, 2:19 PM EDTSpecial Weather StatementMFLBroward41 min
Jun 11, 3:05 PM EDTSpecial Weather StatementMFLPalm Beach40 min
Jun 11, 3:23 PM EDTSpecial Weather StatementMFLPalm Beach37 min
Jun 11, 3:37 PM EDTSpecial Marine WarningMFL38 min
Jun 11, 3:40 PM EDTSevere Thunderstorm WarningMFLPalm Beach14 min
Jun 11, 4:03 PM EDTSpecial Weather StatementMFLPalm Beach27 min
Jun 11, 4:08 PM EDTSpecial Weather StatementMFLHendry52 min
Jun 11, 4:12 PM EDTSpecial Marine WarningMFL33 min
Jun 11, 4:40 PM EDTSpecial Weather StatementMFLPalm Beach50 min
Jun 11, 4:48 PM EDTSpecial Weather StatementMFLMartin42 min
Jun 11, 4:54 PM EDTSpecial Weather StatementMFLPalm Beach51 min
Jun 11, 6:42 PM EDTSpecial Weather StatementMFLOkeechobee18 min

Nearby

Severe Thunderstorm Warnings in Florida, 2014Every severe thunderstorm warning in 2014

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.