Alert archive / Florida / Tornado Warnings in 2017

Tornado Warning 24, NWS Miami, FL

September 9, 2017Broward County, Florida

NWS Miami, FL issued this tornado warning at Sep 9, 2017, 6:30 PM EDT for Broward County, Florida. It was in force for 30 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 9, 2017, 6:30 PM EDT (22:30 UTC)
Expired
Sep 9, 2017, 7:00 PM EDT
In force
30 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Broward County, FL

The radar

The Miami radar (KAMX), 69 km from the middle of the area, began a volume at 22:32 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 9, 6:38 PM EDTTORNADO1 Se Wilton Manors, FLA TORNADO WAS REPORTED BY A HAM RADIO OPERATOR IN OAKLAND PARK AT 638 PM EDT

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 9, 12:09 PM EDTTornado WatchSPC12 hr

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 10.5 hours before the alert went out and 43 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 2017-09-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1745 joules per kilogram.LCLEL10008507005003002001001 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 2017-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 182 square meters per square second.193958Sfc1 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
1745 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
926 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
182 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

923 
WFUS52 KMFL 092230
TORMFL
FLC011-092300-
/O.NEW.KMFL.TO.W.0024.170909T2230Z-170909T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Miami FL
630 PM EDT SAT SEP 9 2017

The National Weather Service in Miami has issued a

* Tornado Warning for...
  Northeastern Broward County in southeastern Florida...

* Until 700 PM EDT
    
* At 630 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Fort Lauderdale, moving west at 35 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Lauderdale-By-The-Sea, Dania Beach, Port Everglades and Fort 
  Lauderdale - Hollywood International Airport around 635 PM EDT. 
  Fort Lauderdale, Oakland Park, Wilton Manors, Sea Ranch Lakes, 
  Lazy Lake, Downtown Fort Lauderdale, Franklin Park, Twin Lakes and 
  Chula Vista around 640 PM EDT. 
  Lauderdale Lakes, Golden Heights, St. George, Washington Park, 
  Palm Aire, Melrose Park and Broadview Park around 645 PM EDT. 
  Margate, Lauderhill, Village Park and Broadview-Pompano Park 
  around 650 PM EDT. 
  Plantation, Sunrise, Tamarac and North Lauderdale around 655 PM 
  EDT. 
  Coral Springs and Sawgrass Mills Mall around 700 PM EDT. 

Other locations impacted by this tornadic thunderstorm include Fort
Lauderdale Beach, Intersection I-595 And I-95, Broward Estates,
Boulevard Gardens, Markham Park, West Ken-Lark, Riverland Village,
North Andrews Gardens, Roosevelt Gardens and Terra Mar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 2624 8008 2606 8010 2615 8041 2630 8033
TIME...MOT...LOC 2230Z 110DEG 30KT 2612 8007 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

IRL
2 follow-up statements
896 
WWUS52 KMFL 092240
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
640 PM EDT SAT SEP 9 2017

FLC011-092300-
/O.CON.KMFL.TO.W.0024.000000T0000Z-170909T2300Z/
Broward FL-
640 PM EDT SAT SEP 9 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
NORTHEASTERN BROWARD COUNTY...
    
At 640 PM EDT, a confirmed large and extremely dangerous tornado was
located over Lazy Lake, or near Fort Lauderdale, moving west at 35
mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado. 

SOURCE...Weather spotters confirmed tornado. 

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible. 

The tornado will be near...
  Village Park, Broadview-Pompano Park and Palm Aire around 645 PM 
  EDT. 
  Sunrise, Tamarac, Margate, Lauderhill and North Lauderdale around 
  650 PM EDT. 
  Plantation and Sawgrass Mills Mall around 655 PM EDT. 
  Coral Springs around 700 PM EDT. 

Other locations impacted by this tornadic thunderstorm include Fort
Lauderdale Beach, Intersection I-595 And I-95, Broward Estates,
Boulevard Gardens, Markham Park, West Ken-Lark, Riverland Village,
North Andrews Gardens, Roosevelt Gardens and Terra Mar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to a basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 2624 8008 2606 8010 2615 8041 2630 8033
TIME...MOT...LOC 2240Z 110DEG 30KT 2615 8016 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...0.00IN

$$

IRL
208 
WWUS52 KMFL 092244
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
644 PM EDT SAT SEP 9 2017

FLC011-092300-
/O.CON.KMFL.TO.W.0024.000000T0000Z-170909T2300Z/
Broward FL-
644 PM EDT SAT SEP 9 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR
NORTHEASTERN BROWARD COUNTY...
    
At 644 PM EDT, a confirmed large and extremely dangerous tornado was
located over Lauderdale Lakes, or near Plantation, moving west at 35
mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado. 

SOURCE...Weather spotters confirmed tornado. 

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible. 

The tornado will be near...
  Sunrise and Tamarac around 650 PM EDT. 
  Sawgrass Mills Mall around 655 PM EDT. 
  Coral Springs around 700 PM EDT. 

Other locations impacted by this tornadic thunderstorm include
Broward Estates, Pompano Beach Airport, Markham Park, West Ken-Lark,
Roosevelt Gardens, Boulevard Gardens, Ramblewood East and North
Andrews Gardens.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to a basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 2625 8012 2609 8020 2615 8041 2630 8033
TIME...MOT...LOC 2244Z 110DEG 30KT 2616 8020 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...0.00IN

$$

IRL

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 9, 12:32 AM EDTSpecial Weather StatementMFLMiami-Dade58 min
Sep 9, 5:43 AM EDTSpecial Weather StatementMFLMiami-Dade47 min
Sep 9, 6:44 AM EDTSpecial Weather StatementMFLMiami-Dade61 min
Sep 9, 7:03 AM EDTSpecial Weather StatementMFLMiami-Dade42 min
Sep 9, 7:54 AM EDTSpecial Weather StatementMFLMonroe66 min
Sep 9, 8:55 AM EDTSpecial Weather StatementMFLMiami-Dade50 min
Sep 9, 9:16 AM EDTSpecial Weather StatementMFLCollier44 min
Sep 9, 9:17 AM EDTSpecial Weather StatementMFLMiami-Dade28 min
Sep 9, 9:23 AM EDTTornado WarningMFLMiami-Dade, Monroe9 min
Sep 9, 9:35 AM EDTSpecial Weather StatementMFLMonroe40 min
Sep 9, 9:52 AM EDTTornado WarningMFLCollier23 min
Sep 9, 10:40 AM EDTSpecial Weather StatementMFLMiami-Dade50 min
Sep 9, 10:57 AM EDTSpecial Weather StatementMFLCollier33 min
Sep 9, 11:19 AM EDTSpecial Weather StatementMFLMiami-Dade41 min
Sep 9, 11:37 AM EDTSpecial Weather StatementMFLCollier38 min
Sep 9, 12:01 PM EDTSpecial Marine WarningMFL14 min
Sep 9, 12:04 PM EDTSpecial Weather StatementMFLMiami-Dade26 min
Sep 9, 12:05 PM EDTSpecial Weather StatementMFLCollier55 min
Sep 9, 12:08 PM EDTTornado WarningMFLCollier22 min
Sep 9, 12:22 PM EDTTornado WarningMFLCollier23 min
Sep 9, 12:24 PM EDTSpecial Marine WarningMFL36 min
Sep 9, 12:36 PM EDTSpecial Weather StatementMFLMiami-Dade39 min
Sep 9, 4:13 PM EDTSpecial Marine WarningMFL32 min
Sep 9, 4:43 PM EDTSpecial Marine WarningMFL47 min
Sep 9, 4:46 PM EDTTornado WarningMFLBroward29 min
Sep 9, 4:48 PM EDTTornado WarningMFLCollier27 min
Sep 9, 5:34 PM EDTSpecial Marine WarningMFL26 min
Sep 9, 5:58 PM EDTSpecial Marine WarningMFL32 min
Sep 9, 6:16 PM EDTSpecial Marine WarningMFL29 min
Sep 9, 6:18 PM EDTSpecial Marine WarningMFL27 min
Sep 9, 6:22 PM EDTTornado WarningMFLBroward, Palm Beach38 min
Sep 9, 6:32 PM EDTSpecial Marine WarningMFL43 min
Sep 9, 6:38 PM EDTSpecial Marine WarningMFL37 min
Sep 9, 6:43 PM EDTSpecial Marine WarningMFL47 min
Sep 9, 6:54 PM EDTTornado WarningMFLHendry, Palm Beach36 min
Sep 9, 6:59 PM EDTTornado WarningMFLBroward31 min
Sep 9, 7:02 PM EDTTornado WarningMFLMiami-Dade13 min
Sep 9, 7:12 PM EDTTornado WarningMFLPalm Beach48 min
Sep 9, 7:13 PM EDTSpecial Marine WarningMFL47 min
Sep 9, 7:16 PM EDTSpecial Marine WarningMFL59 min
Sep 9, 7:24 PM EDTSpecial Marine WarningMFL51 min
Sep 9, 7:27 PM EDTTornado WarningMFLBroward33 min
Sep 9, 7:29 PM EDTTornado WarningMFLMiami-Dade26 min
Sep 9, 7:52 PM EDTTornado WarningMFLBroward, Miami-Dade23 min

Nearby

Tornado Warnings in Florida, 2017Every tornado warning in 2017Tornadoes in 2017

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.