Alert archive / Florida / Tornado Warnings in 2017

Tornado Warning 35, NWS Miami, FL

September 10, 2017Broward County, Miami-Dade County, Florida

NWS Miami, FL issued this tornado warning at Sep 10, 2017, 7:36 AM EDT for Broward County, Miami-Dade County, Florida. It was in force for 24 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, 7:36 AM EDT (11:36 UTC)
Expired
Sep 10, 2017, 8:00 AM EDT
In force
24 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Broward County, FL, Miami-Dade County, FL

The radar

The Miami radar (KAMX), 44 km from the middle of the area, began a volume at 11:36 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 watch it was issued in

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

IssuedProductOfficeLasted
Sep 9, 11:45 PM EDTTornado WatchSPC12 hr

The nearest sounding before it

Miami, FL (KMFL), launched 00:00Z, 11.6 hours before the alert went out and 18 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 00:00Z on 2017-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2017-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1179 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

077 
WFUS52 KMFL 101136
TORMFL
FLC011-086-101200-
/O.NEW.KMFL.TO.W.0035.170910T1136Z-170910T1200Z/

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

The National Weather Service in Miami has issued a

* Tornado Warning for...
  Northeastern Miami-Dade County in southeastern Florida...
  Eastern Broward County in southeastern Florida...

* Until 800 AM EDT
    
* At 735 AM EDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles southeast of Miami Beach, moving northwest at
  80 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...
  Virginia Key, Fisher Island and Port Of Miami around 740 AM EDT. 
  Miami, Miami Beach, Surfside, North Miami Beach, Miami Shores, 
  North Bay Village, El Portal, Little Haiti, Gladeview and Liberty 
  City around 745 AM EDT. 
  Miramar, Miami Gardens, Hallandale, North Miami, Aventura, Sunny 
  Isles Beach, Opa-Locka, West Park, Golden Glades and Sun Life 
  Stadium around 750 AM EDT. 
  Miami Lakes, Cooper City, Royal Palm Ranches, Miramar Parkway And 
  University Drive, Sunshine Acres, Nova Southeastern University, 
  Palm Springs North, Chambers Estates, Oak Point and Estates Of 
  Fort Lauderdale around 755 AM EDT. 
  Pembroke Pines, Davie, Plantation, Weston, Intersection I-75 And 
  Griffin Road, Sawgrass Mills Mall, Pine Island Ridge and 
  Intersection I-75 And U.S. 27 around 800 AM EDT. 

Other locations impacted by this tornadic thunderstorm include
Markham Park, Saint Thomas University, Fiu North Campus, Ives
Estates, Downtown Davie, Bay Harbor Islands, Allapattah, Biscayne
Park, Pembroke Park and Bal Harbour.

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.

&&

LAT...LON 2588 7999 2584 8004 2582 8004 2568 8008
      2610 8057 2627 8036
TIME...MOT...LOC 1135Z 136DEG 68KT 2575 8000 

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

$$

DD
1 follow-up statement
736 
WWUS52 KMFL 101152
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
752 AM EDT SUN SEP 10 2017

FLC011-086-101201-
/O.EXP.KMFL.TO.W.0035.000000T0000Z-170910T1200Z/
Miami-Dade FL-Broward FL-
752 AM EDT SUN SEP 10 2017

...THE TORNADO WARNING FOR NORTHEASTERN MIAMI-DADE AND EASTERN
BROWARD COUNTIES WILL EXPIRE AT 800 AM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.  However gusty winds
are still possible with this thunderstorm.

A tornado watch remains in effect until noon EDT for southeastern
Florida.

LAT...LON 2588 7999 2584 8004 2582 8004 2568 8008
      2610 8057 2627 8036
TIME...MOT...LOC 1151Z 136DEG 68KT 2595 8021 

$$

DD

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, 7:52 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, 2:24 PM EDTTornado WarningMFLBroward, Palm Beach21 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.