Alert archive / Florida / Tornado Warnings in 2017

Tornado Warning 38, NWS Miami, FL

September 10, 2017Broward County, Palm Beach County, Florida

NWS Miami, FL issued this tornado warning at Sep 10, 2017, 2:24 PM EDT for Broward County, Palm Beach County, Florida. It was in force for 21 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 10, 2017, 2:24 PM EDT (18:24 UTC)
Expired
Sep 10, 2017, 2:45 PM EDT
In force
21 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Broward County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 101 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.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 6.4 hours before the alert went out and 265 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, Tampa Bay, FL at 12:00Z on 2017-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 103 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, Tampa Bay, FL at 12:00Z on 2017-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
103 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
872 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
186 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

617 
WFUS52 KMFL 101824
TORMFL
FLC011-099-101845-
/O.NEW.KMFL.TO.W.0038.170910T1824Z-170910T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Miami FL
224 PM EDT SUN SEP 10 2017

The National Weather Service in Miami has issued a

* Tornado Warning for...
  Northeastern Broward County in southeastern Florida...
  Southeastern Palm Beach County in southeastern Florida...

* Until 245 PM EDT
    
* At 224 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles east of Pompano Beach, moving northwest at 90
  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...
  Deerfield Beach and Boca Del Mar around 230 PM EDT. 
  Boca Raton, Delray Beach, Highland Beach, Kings Point, Whisper 
  Walk, Hamptons At Boca Raton, Boca Pointe and Mission Bay around 
  235 PM EDT. 
  Boynton Beach, Ocean Ridge, Lantana, Atlantis, Village Of Golf and 
  Dunes Road around 240 PM EDT. 
  Greenacres around 245 PM EDT. 

Other locations impacted by this tornadic thunderstorm include Fau
South Campus, Hypoluxo, Hillsboro Ranches, Aberdeen, Boca West,
Hillsboro Pines, Lake Worth Corridor, Aberdeen Golf Course, South
County Regional Park and Gulf Stream.

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!

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Miami.

&&

LAT...LON 2654 8003 2618 8003 2642 8033 2670 8012
TIME...MOT...LOC 1824Z 148DEG 77KT 2624 7997 

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

$$

CWC
2 follow-up statements
944 
WWUS52 KMFL 101831
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
231 PM EDT SUN SEP 10 2017

FLC011-099-101845-
/O.CON.KMFL.TO.W.0038.000000T0000Z-170910T1845Z/
Broward FL-Palm Beach FL-
231 PM EDT SUN SEP 10 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM EDT FOR
NORTHEASTERN BROWARD AND SOUTHEASTERN PALM BEACH COUNTIES...
    
At 231 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Boca Raton, moving northwest at 85 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...
  Delray Beach, Whisper Walk, Hamptons At Boca Raton and Mission Bay 
  around 235 PM EDT. 
  Boynton Beach, Village Of Golf, Kings Point and Dunes Road around 
  240 PM EDT. 
  Greenacres and Atlantis around 245 PM EDT. 

Other locations impacted by this tornadic thunderstorm include Fau
South Campus, Hypoluxo, Hillsboro Ranches, Aberdeen, Boca West,
Hillsboro Pines, Lake Worth Corridor, Aberdeen Golf Course, South
County Regional Park and Gulf Stream.

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 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!

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 2654 8003 2618 8003 2642 8033 2670 8012
TIME...MOT...LOC 1831Z 145DEG 72KT 2635 8006 

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

$$

CWC
890 
WWUS52 KMFL 101836
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
236 PM EDT SUN SEP 10 2017

FLC011-101846-
/O.CAN.KMFL.TO.W.0038.000000T0000Z-170910T1845Z/
Broward FL-
236 PM EDT SUN SEP 10 2017

...THE TORNADO WARNING FOR NORTHEASTERN BROWARD COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area.  Therefore, the warning has been cancelled.

LAT...LON 2632 8007 2645 8031 2664 8014 2650 8006
TIME...MOT...LOC 1836Z 148DEG 77KT 2644 8012 

$$

FLC099-101845-
/O.CON.KMFL.TO.W.0038.000000T0000Z-170910T1845Z/
Palm Beach FL-
236 PM EDT SUN SEP 10 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM EDT FOR
SOUTHEASTERN PALM BEACH COUNTY...
    
At 236 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Kings Point, or near Highland Beach, moving
northwest at 90 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...
  Atlantis and Greenacres. 

Other locations impacted by this tornadic thunderstorm include
Morikami Park, Fau South Campus, Aberdeen, Boca West, Villages Of
Oriole, Aberdeen Golf Course, Boca Raton Equestrian and Gulf Stream.

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 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!

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 2632 8007 2645 8031 2664 8014 2650 8006
TIME...MOT...LOC 1836Z 148DEG 77KT 2644 8012 

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

$$

CWC

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 9, 8:14 PM EDTSpecial Marine WarningMFL46 min
Sep 10, 2:23 AM EDTSpecial Marine WarningMFL37 min
Sep 10, 2:45 AM EDTSpecial Marine WarningMFL30 min
Sep 10, 3:05 AM EDTSpecial Marine WarningMFL25 min
Sep 10, 3:29 AM EDTSpecial Marine WarningMFL46 min
Sep 10, 3:46 AM EDTTornado WarningMFLBroward, Palm Beach29 min
Sep 10, 4:19 AM EDTSpecial Marine WarningMFL26 min
Sep 10, 4:44 AM EDTAreal Flood WarningMFLBroward, Collier, Hendry, Miami-Dade, Monroe12 hr
Sep 10, 4:54 AM EDTSpecial Marine WarningMFL36 min
Sep 10, 6:14 AM EDTSpecial Marine WarningMFL16 min
Sep 10, 6:21 AM EDTTornado WarningMFLPalm Beach28 min
Sep 10, 6:55 AM EDTSpecial Marine WarningMFL35 min
Sep 10, 7:16 AM EDTSpecial Marine WarningMFL29 min
Sep 10, 7:28 AM EDTSpecial Marine WarningMFL17 min
Sep 10, 7:35 AM EDTTornado WarningMFLPalm Beach14 min
Sep 10, 7:36 AM EDTTornado WarningMFLBroward, Miami-Dade24 min
Sep 10, 7:52 AM EDTSpecial Marine WarningMFL38 min
Sep 10, 8:08 AM EDTSpecial Marine WarningMFL37 min
Sep 10, 8:29 AM EDTAreal Flood WarningMFLBroward, Collier, Glades, Hendry, Palm Beach12 hr
Sep 10, 8:37 AM EDTAreal Flood WarningMFLBroward, Collier, Hendry, Palm Beach12 hr
Sep 10, 9:17 AM EDTSpecial Weather StatementMFLMiami-Dade, Monroe88 min
Sep 10, 9:42 AM EDTTornado WarningMFLPalm Beach18 min
Sep 10, 9:44 AM EDTSpecial Marine WarningMFL31 min
Sep 10, 10:13 AM EDTSpecial Marine WarningMFL32 min
Sep 10, 10:45 AM EDTSpecial Weather StatementMFLMiami-Dade, Monroe45 min
Sep 10, 10:57 AM EDTRiver Flood WarningMFLGlades13 days
Sep 10, 11:48 AM EDTSpecial Weather StatementMFLMiami-Dade, Monroe87 min
Sep 10, 12:25 PM EDTExtreme Wind WarningMFLCollier3 hr
Sep 10, 1:13 PM EDTSpecial Weather StatementMFLMiami-Dade, Monroe92 min
Sep 10, 1:23 PM EDTSpecial Marine WarningMFL37 min
Sep 10, 1:30 PM EDTSpecial Weather StatementMFLMiami-Dade90 min
Sep 10, 1:48 PM EDTSpecial Marine WarningMFL27 min
Sep 10, 1:49 PM EDTTornado WarningMFLBroward, Miami-Dade, Palm Beach26 min
Sep 10, 1:55 PM EDTSpecial Weather StatementMFLMiami-Dade65 min
Sep 10, 2:13 PM EDTSpecial Marine WarningMFL32 min
Sep 10, 2:40 PM EDTTornado WarningMFLPalm Beach20 min
Sep 10, 3:10 PM EDTSpecial Marine WarningMFL95 min
Sep 10, 3:12 PM EDTFlash Flood Warning EmergencyMFLCollier3 hr
Sep 10, 3:15 PM EDTTornado WarningMFLMiami-Dade15 min
Sep 10, 3:27 PM EDTExtreme Wind WarningMFLCollier, Hendry2 hr
Sep 10, 3:29 PM EDTSpecial Marine WarningMFL31 min
Sep 10, 3:48 PM EDTTornado WarningMFLPalm Beach27 min
Sep 10, 3:53 PM EDTTornado WarningMFLBroward, Palm Beach37 min
Sep 10, 4:23 PM EDTSpecial Marine WarningMFL37 min
Sep 10, 5:14 PM EDTSpecial Marine WarningMFL16 min
Sep 10, 5:23 PM EDTSpecial Marine WarningMFL97 min
Sep 10, 6:00 PM EDTAreal Flood WarningMFLCollier3 hr
Sep 10, 7:00 PM EDTSpecial Marine WarningMFL30 min
Sep 10, 7:37 PM EDTSpecial Marine WarningMFL23 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.