Alert archive / Florida / Tornado Warnings in 2015

Tornado Warning 4, NWS Miami, FL

September 16, 2015Broward County, Florida

NWS Miami, FL issued this tornado warning at Sep 16, 2015, 7:03 PM EDT for Broward County, Florida. It was in force for 27 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
Sep 16, 2015, 7:03 PM EDT (23:03 UTC)
Expired
Sep 16, 2015, 7:30 PM EDT
In force
27 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Broward County, FL

The radar

The Miami radar (KAMX), 43 km from the middle of the area, began a volume at 23:05 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, 11.1 hours before the alert went out and 19 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 2015-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 639 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 2015-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
639 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
942 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
81 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.

948 
WFUS52 KMFL 162303
TORMFL
FLC011-162330-
/O.NEW.KMFL.TO.W.0004.150916T2303Z-150916T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
703 PM EDT WED SEP 16 2015

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL BROWARD COUNTY IN SOUTHEASTERN FLORIDA...

* UNTIL 730 PM EDT
    
* AT 703 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
  OVER PEMBROKE PINES...AND MOVING WEST AT 5 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PEMBROKE PINES AND MIRAMAR. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO A SHELTER OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 2596 8038 2602 8039 2602 8028 2598 8029
TIME...MOT...LOC 2303Z 091DEG 5KT 2599 8031 

$$

KB
2 follow-up statements
925 
WWUS52 KMFL 162313
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
713 PM EDT WED SEP 16 2015

FLC011-162330-
/O.CON.KMFL.TO.W.0004.000000T0000Z-150916T2330Z/
BROWARD FL-
713 PM EDT WED SEP 16 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR
SOUTHEASTERN BROWARD COUNTY...
    
AT 713 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED OVER 
PEMBROKE PINES...MOVING WEST AT 5 MPH. RADAR CONTINUED TO SHOW 
CIRCULATION NEAR I75 JUST NORTH OF PINES BLVD MOVING WEST.

LOCATIONS IMPACTED INCLUDE...
PEMBROKE PINES AND MIRAMAR. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 2596 8038 2602 8039 2602 8034 2598 8033
TIME...MOT...LOC 2313Z 096DEG 6KT 2600 8035 

$$

KB
844 
WWUS52 KMFL 162329
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
729 PM EDT WED SEP 16 2015

FLC011-162338-
/O.EXP.KMFL.TO.W.0004.000000T0000Z-150916T2330Z/
BROWARD FL-
729 PM EDT WED SEP 16 2015

...THE TORNADO WARNING FOR SOUTHEASTERN BROWARD COUNTY WILL EXPIRE AT
730 PM EDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS TO BE CAPABLE OF PRODUCING A TORNADO. 
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER BROAD 
ROTATION IS STILL BEING DETECTED AND FUNNEL CLOUDS ARE STILL 
POSSIBLE. GUSTY WINDS ARE ALSO POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 2596 8038 2602 8039 2602 8034 2598 8033
TIME...MOT...LOC 2324Z 091DEG 5KT 2600 8035 

$$

KB

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 15, 11:46 PM EDTSpecial Marine WarningMFL44 min
Sep 15, 11:51 PM EDTSpecial Weather StatementMFLBroward54 min
Sep 16, 12:26 AM EDTSpecial Marine WarningMFL64 min
Sep 16, 2:12 AM EDTSpecial Marine WarningMFL33 min
Sep 16, 2:44 AM EDTSpecial Marine WarningMFL61 min
Sep 16, 2:53 AM EDTSpecial Weather StatementMFLBroward37 min
Sep 16, 2:57 AM EDTSpecial Marine WarningMFL48 min
Sep 16, 3:01 AM EDTSpecial Weather StatementMFLPalm Beach44 min
Sep 16, 3:41 AM EDTSpecial Marine WarningMFL64 min
Sep 16, 4:51 AM EDTSpecial Marine WarningMFL39 min
Sep 16, 5:05 AM EDTSpecial Marine WarningMFL40 min
Sep 16, 5:43 AM EDTSpecial Marine WarningMFL17 min
Sep 16, 6:19 AM EDTSpecial Weather StatementMFLMiami-Dade26 min
Sep 16, 6:22 AM EDTSpecial Marine WarningMFL38 min
Sep 16, 9:25 AM EDTSpecial Marine WarningMFL65 min
Sep 16, 11:10 AM EDTSpecial Marine WarningMFL35 min
Sep 16, 11:16 AM EDTSpecial Weather StatementMFLBroward29 min
Sep 16, 11:20 AM EDTSpecial Marine WarningMFL40 min
Sep 16, 11:23 AM EDTSpecial Marine WarningMFL52 min
Sep 16, 12:14 PM EDTSpecial Marine WarningMFL46 min
Sep 16, 12:25 PM EDTSpecial Marine WarningMFL50 min
Sep 16, 1:17 PM EDTAreal Flood AdvisoryMFLPalm Beach6 hr
Sep 16, 2:06 PM EDTFlood WatchMFLBroward, Miami-Dade, Palm Beach49 hr
Sep 16, 4:08 PM EDTSpecial Marine WarningMFL37 min
Sep 16, 6:46 PM EDTAreal Flood AdvisoryMFLBroward3 hr

Nearby

Tornado Warnings in Florida, 2015Every tornado warning in 2015Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.