Alert archive / Florida / Tornado Warnings in 2017

Tornado Warning 6, NWS Miami, FL

January 23, 2017Miami-Dade County, Florida

NWS Miami, FL issued this tornado warning at Jan 23, 2017, 3:44 AM EST for Miami-Dade County, Florida. It was in force for 19 min. 5 reports 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
Jan 23, 2017, 3:44 AM EST (08:44 UTC)
Expired
Jan 23, 2017, 4:03 AM EST
In force
19 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Miami-Dade County, FL

The radar

The Miami radar (KAMX), 37 km from the middle of the area, began a volume at 08:47 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
Jan 23, 3:45 AM ESTTORNADO1 Wnw Virginia Gardens, FLEF-1 DAMAGE INDICATED BY SURVEY. DAMAGE TO WAREHOUSES... TRUCKS... AND SHIPPING CONTAINERS.
Jan 23, 3:46 AM ESTTSTM WND DMG1 Wnw Virginia Gardens, FLTRACTOR TRAILED OVERTURNED NEAR NW 50TH ST AND 74TH AVE IN MIAMI-DADE REPORTED BY NEWS MEDIA
Jan 23, 3:46 AM ESTTORNADO1 Wnw Miami Springs, FLEF-1 DAMAGE INDICATED BY SURVEY TEAM. LARGE TREES TOPPLED...ROOF AND PORCH DAMAGE TO SINGLE FAMILY RESIDENCES.
Jan 23, 3:48 AM ESTTORNADO1 Nne Miami Springs, FLEF-1 DAMAGE INDICATED BY SURVEY TEAM. APARTMENT BUILDINGS WITH ROOF DAMAGE.
Jan 23, 3:55 AM ESTTSTM WND DMG1 Wnw Biscayne Park, FLDOWNED POWER LINES... BUSTED GATES AND MAILBOXES NEAR NW 118TH STREET AND 5TH AVE IN MIAMI-DADE COUNTY

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
Jan 22, 9:57 PM ESTTornado WatchSPC8 hr

The nearest sounding before it

Miami, FL (KMFL), launched 00:00Z, 8.7 hours before the alert went out and 15 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 2017-01-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 635 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 00:00Z on 2017-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 204 square meters per square second.1939587897Sfc1 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
635 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1027 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
204 m²/s²
0-3 km storm-relative helicity
203 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.7

Open this sounding in Storm Lab

The text

As transmitted.

771 
WFUS52 KMFL 230844
TORMFL
FLC086-230915-
/O.NEW.KMFL.TO.W.0006.170123T0844Z-170123T0915Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Miami FL
344 AM EST MON JAN 23 2017

The National Weather Service in Miami has issued a

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

* Until 415 AM EST

* At 343 AM EST, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located over
  Miami Springs, or over Hialeah, moving east at 50 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. 

* These dangerous storms will be near...
  North Miami, Miami Shores, El Portal, Little Haiti and Pinewood 
  around 350 AM EST. 
  Miami Beach, North Bay Village and Golden Glades around 355 AM 
  EST. 
  Surfside, North Miami Beach and Sunny Isles Beach around 400 AM 
  EST. 

Other locations impacted by this tornadic thunderstorm include Fiu
North Campus, Bay Harbor Islands, Allapattah, Virginia Gardens,
Biscayne 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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 2583 8004 2579 8005 2580 8034 2585 8034
      2595 8004
TIME...MOT...LOC 0843Z 250DEG 43KT 2583 8030 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

ALM
2 follow-up statements
143 
WWUS52 KMFL 230849
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
349 AM EST MON JAN 23 2017

FLC086-230915-
/O.CON.KMFL.TO.W.0006.000000T0000Z-170123T0915Z/
Miami-Dade FL-
349 AM EST MON JAN 23 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 AM EST FOR
NORTHEASTERN MIAMI-DADE COUNTY...

At 349 AM EST, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over
Gladeview, or over Hialeah, moving east at 50 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. 

These dangerous storms will be near...
  North Miami, Miami Shores, North Bay Village and Golden Glades 
  around 355 AM EST. 
  Miami Beach, Surfside and North Miami Beach around 400 AM EST. 
  Sunny Isles Beach around 405 AM EST. 

Other locations impacted by this tornadic thunderstorm include Fiu
North Campus, Bay Harbor Islands, Allapattah, Virginia Gardens,
Biscayne Park and Bal Harbour.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 2582 8004 2580 8030 2586 8032 2595 8004
TIME...MOT...LOC 0849Z 249DEG 42KT 2584 8026 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

ALM
093 
WWUS52 KMFL 230903
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
403 AM EST MON JAN 23 2017

FLC086-230913-
/O.CAN.KMFL.TO.W.0006.000000T0000Z-170123T0915Z/
Miami-Dade FL-
403 AM EST MON JAN 23 2017

...THE TORNADO WARNING FOR NORTHEASTERN MIAMI-DADE COUNTY IS
CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, damaging winds remain likely and a Severe 
Thunderstorm Warning remains in effect for the area.  

A tornado watch remains in effect until 600 AM EST for southeastern
Florida.

LAT...LON 2582 8004 2580 8030 2586 8032 2595 8004
TIME...MOT...LOC 0902Z 250DEG 43KT 2590 8008 

$$

ALM

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 22, 11:15 PM ESTSpecial Weather StatementMFLGlades, Hendry60 min
Jan 22, 11:32 PM ESTSpecial Marine WarningMFL28 min
Jan 22, 11:50 PM ESTSpecial Marine WarningMFL25 min
Jan 23, 12:03 AM ESTSpecial Marine WarningMFL57 min
Jan 23, 12:03 AM ESTSpecial Weather StatementMFLCollier, Glades, Hendry, Palm Beach57 min
Jan 23, 12:20 AM ESTSpecial Marine WarningMFL25 min
Jan 23, 12:25 AM ESTSevere Thunderstorm WarningMFLGlades, Hendry, Palm Beach50 min
Jan 23, 12:36 AM ESTSevere Thunderstorm WarningMFLCollier24 min
Jan 23, 12:46 AM ESTSpecial Marine WarningMFL44 min
Jan 23, 12:54 AM ESTSpecial Weather StatementMFLBroward, Collier, Palm Beach66 min
Jan 23, 12:58 AM ESTTornado WarningMFLPalm Beach32 min
Jan 23, 1:03 AM ESTSevere Thunderstorm WarningMFLCollier42 min
Jan 23, 1:12 AM ESTSpecial Marine WarningMFL63 min
Jan 23, 1:17 AM ESTTornado WarningMFLPalm Beach28 min
Jan 23, 1:25 AM ESTTornado WarningMFLCollier20 min
Jan 23, 1:26 AM ESTSpecial Marine WarningMFL94 min
Jan 23, 1:41 AM ESTTornado WarningMFLPalm Beach10 min
Jan 23, 1:52 AM ESTSpecial Marine WarningMFL83 min
Jan 23, 1:56 AM ESTSpecial Weather StatementMFLBroward, Monroe, Palm Beach64 min
Jan 23, 2:02 AM ESTSevere Thunderstorm WarningMFLPalm Beach43 min
Jan 23, 2:23 AM ESTWind AdvisoryMFLBroward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more17 hr
Jan 23, 2:29 AM ESTSevere Thunderstorm WarningMFLBroward31 min
Jan 23, 2:48 AM ESTSpecial Weather StatementMFLBroward, Miami-Dade, Monroe87 min
Jan 23, 2:49 AM ESTSpecial Weather StatementMFLMonroe26 min
Jan 23, 2:54 AM ESTSevere Thunderstorm WarningMFLBroward36 min
Jan 23, 2:56 AM ESTTornado WarningMFLMiami-Dade, Monroe34 min
Jan 23, 2:57 AM ESTSpecial Marine WarningMFL63 min
Jan 23, 3:06 AM ESTSpecial Marine WarningMFL84 min
Jan 23, 3:35 AM ESTSevere Thunderstorm WarningMFLBroward, Miami-Dade, Monroe40 min
Jan 23, 3:42 AM ESTSpecial Marine WarningMFL48 min
Jan 23, 4:01 AM ESTSpecial Weather StatementMFLMiami-Dade44 min
Jan 23, 4:15 AM ESTSevere Thunderstorm WarningMFLMiami-Dade11 min
Jan 23, 4:19 AM ESTSpecial Marine WarningMFL41 min
Jan 23, 4:55 AM ESTSpecial Marine WarningMFL50 min
Jan 23, 5:43 AM ESTSpecial Marine WarningMFL32 min
Jan 23, 5:43 AM ESTSpecial Marine WarningMFL32 min
Jan 23, 6:12 AM ESTSpecial Marine WarningMFL48 min
Jan 23, 7:03 AM ESTSpecial Weather StatementMFLCollier, Glades, Hendry87 min
Jan 23, 7:45 AM ESTSpecial Marine WarningMFL60 min
Jan 23, 8:30 AM ESTSpecial Weather StatementMFLPalm Beach75 min
Jan 23, 9:52 AM ESTSpecial Weather StatementMFLMiami-Dade53 min
Jan 23, 10:38 AM ESTSpecial Marine WarningMFL82 min
Jan 23, 11:34 AM ESTSpecial Marine WarningMFL56 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.