Alert archive / Florida / Tornado Warnings in 2013

Tornado Warning 13, NWS Miami, FL

September 2, 2013Broward County, Florida

NWS Miami, FL issued this tornado warning at Sep 2, 2013, 2:23 PM EDT for Broward County, Florida. It was in force for 37 min. 1 report 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 2, 2013, 2:23 PM EDT (18:23 UTC)
Expired
Sep 2, 2013, 3:00 PM EDT
In force
37 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Broward County, FL

The radar

The Miami radar (KAMX), 72 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
Sep 2, 2:30 PM EDTFUNNEL CLOUD2 Ssw North Lauderdale, FLFUNNEL CLOUD REPORTED FROM NW 86TH TERRACE.

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 47 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 2013-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1786 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 2013-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
1786 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
865 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
16 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.

351 
WFUS52 KMFL 021823
TORMFL
FLC011-021900-
/O.NEW.KMFL.TO.W.0013.130902T1823Z-130902T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
223 PM EDT MON SEP 2 2013

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL BROWARD COUNTY IN SOUTHEAST FLORIDA...
  THIS INCLUDES THE CITIES OF...POMPANO BEACH...MARGATE...

* UNTIL 300 PM EDT

* AT 221 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR NORTH      
  LAUDERDALE...MOVING NORTHEAST AT 10 MPH. 

* THE TORNADO WILL BE NEAR...
  NORTH LAUDERDALE...
  MARGATE...
  AND SURROUNDING COMMUNITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER INSIDE A STURDY BUILDING ON THE LOWEST FLOOR...AWAY FROM
EXTERIOR WALLS AND WINDOWS. GET UNDER A WORKBENCH OR OTHER PIECE OF
STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY.

&&

LAT...LON 2630 8020 2623 8010 2615 8023 2618 8026
TIME...MOT...LOC 1823Z 215DEG 9KT 2617 8023

$$

AK
2 follow-up statements
618 
WWUS52 KMFL 021833
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
233 PM EDT MON SEP 2 2013

FLC011-021900-
/O.CON.KMFL.TO.W.0013.000000T0000Z-130902T1900Z/
BROWARD FL-
233 PM EDT MON SEP 2 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR EAST
CENTRAL BROWARD COUNTY...

AT 230 PM EDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE 
A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS 
LOCATED NEAR NORTH LAUDERDALE...MOVING NORTHEAST AT 10 MPH.

IF YOU ARE NEAR THE PATH OF A TORNADO...SEEK SHELTER IN A STURDY
BUILDING ON THE LOWEST FLOOR...AWAY FROM OUTSIDE WALLS AND WINDOWS.
GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND STAY AWAY FROM WINDOWS.

LAT...LON 2630 8020 2623 8010 2615 8023 2618 8026
TIME...MOT...LOC 1832Z 215DEG 9KT 2619 8022

$$

AK
868 
WWUS52 KMFL 021837
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
237 PM EDT MON SEP 2 2013

FLC011-021847-
/O.CAN.KMFL.TO.W.0013.000000T0000Z-130902T1900Z/
BROWARD FL-
237 PM EDT MON SEP 2 2013

...THE TORNADO WARNING FOR EAST CENTRAL BROWARD COUNTY IS
CANCELLED...

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE TORNADO HAS
DISSIPATED. THUS THE TORNADO WARNING HAS BEEN CANCELLED.

THUNDERSTORMS REMAIN IN THE AREA. FREQUENT LIGHTNING...GUSTY WINDS TO
40 MPH AND VERY HEAVY RAINFALL ARE STILL POSSIBLE. STAY TUNED TO 
NOAA WEATHER RADIO OR LOCAL MEDIA FOR THE LATEST UPDATES.

LAT...LON 2630 8020 2623 8010 2615 8023 2618 8026
TIME...MOT...LOC 1837Z 215DEG 9KT 2620 8021

$$

AK

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 11:36 AM EDTSpecial Weather StatementMFLMonroe24 min
Sep 2, 11:59 AM EDTSpecial Weather StatementMFLCollier31 min
Sep 2, 12:35 PM EDTSpecial Weather StatementMFLHendry25 min
Sep 2, 12:54 PM EDTSpecial Weather StatementMFLMiami-Dade36 min
Sep 2, 1:38 PM EDTSpecial Weather StatementMFLMiami-Dade37 min
Sep 2, 1:53 PM EDTSpecial Weather StatementMFLBroward37 min
Sep 2, 2:21 PM EDTSpecial Weather StatementMFLBroward24 min
Sep 2, 2:35 PM EDTSpecial Weather StatementMFLGlades25 min
Sep 2, 2:49 PM EDTSpecial Weather StatementMFLGlades26 min
Sep 2, 2:53 PM EDTSpecial Weather StatementMFLBroward37 min
Sep 2, 2:56 PM EDTAreal Flood AdvisoryMFLBroward2 hr
Sep 2, 3:02 PM EDTSpecial Weather StatementMFLPalm Beach28 min
Sep 2, 3:17 PM EDTSpecial Weather StatementMFLPalm Beach28 min
Sep 2, 3:31 PM EDTSpecial Weather StatementMFLPalm Beach29 min
Sep 2, 3:41 PM EDTSpecial Weather StatementMFLMartin34 min

Nearby

Tornado Warnings in Florida, 2013Every tornado warning in 2013Tornadoes in 2013

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.