Alert archive / Florida / Tornado Warnings in 2017

Tornado Warning 43, NWS Miami, FL

October 28, 2017Miami-Dade County, Florida

NWS Miami, FL issued this tornado warning at Oct 28, 2017, 1:18 PM EDT for Miami-Dade County, Florida. It was in force for 27 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
Oct 28, 2017, 1:18 PM EDT (17:18 UTC)
Expired
Oct 28, 2017, 1:45 PM EDT
In force
27 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Miami-Dade County, FL

The radar

The Miami radar (KAMX), 18 km from the middle of the area, began a volume at 17:20 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
Oct 28, 1:20 PM EDTTORNADO2 Se Tamiami Fairground, FLDAMAGE TO ROOFS AND AWNINGS... FENCES AND POWER LINES DOWNED... AND SMALL TREES SNAPPED.

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

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 5.3 hours before the alert went out and 10 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 2017-10-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 31 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 12:00Z on 2017-10-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
31 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
897 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

763 
WFUS52 KMFL 281718
TORMFL
FLC086-281745-
/O.NEW.KMFL.TO.W.0043.171028T1718Z-171028T1745Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Miami FL
118 PM EDT SAT OCT 28 2017

The National Weather Service in Miami has issued a

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

* Until 145 PM EDT
    
* At 118 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Westchester, or over South Miami, moving northwest
  at 10 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...
  University Park around 135 PM EDT. 
  Doral, Sweetwater, Medley, Fountainbleau and Tamiami around 145 PM 
  EDT. 

Other locations impacted by this tornadic thunderstorm include Fiu
South Campus, Tamiami Fairgrounds and Westwood Lakes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2572 8032 2571 8034 2581 8050 2589 8037
TIME...MOT...LOC 1718Z 144DEG 9KT 2572 8033 

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

$$

KScharf
3 follow-up statements
942 
WWUS52 KMFL 281726
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
126 PM EDT SAT OCT 28 2017

FLC086-281745-
/O.CON.KMFL.TO.W.0043.000000T0000Z-171028T1745Z/
Miami-Dade FL-
126 PM EDT SAT OCT 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM EDT FOR NORTH
CENTRAL MIAMI-DADE COUNTY...
    
At 126 PM EDT, a severe thunderstorm capable of producing a tornado
was located over University Park, moving northwest at 10 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. 

Locations impacted include...
Doral, Sweetwater, Tamiami, University Park and Fountainbleau. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2574 8035 2573 8036 2581 8050 2584 8041
TIME...MOT...LOC 1726Z 140DEG 10KT 2574 8037 

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

$$

KScharf
018 
WWUS52 KMFL 281733
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
133 PM EDT SAT OCT 28 2017

FLC086-281745-
/O.CON.KMFL.TO.W.0043.000000T0000Z-171028T1745Z/
Miami-Dade FL-
133 PM EDT SAT OCT 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM EDT FOR NORTH
CENTRAL MIAMI-DADE COUNTY...
    
At 133 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Tamiami, or 7 miles northwest of Kendall, moving
northwest at 20 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. 

Locations impacted include...
Tamiami.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2576 8039 2575 8039 2581 8050 2582 8044
TIME...MOT...LOC 1733Z 123DEG 16KT 2576 8041 

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

$$

KScharf
155 
WWUS52 KMFL 281742
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
142 PM EDT SAT OCT 28 2017

FLC086-281752-
/O.EXP.KMFL.TO.W.0043.000000T0000Z-171028T1745Z/
Miami-Dade FL-
142 PM EDT SAT OCT 28 2017

...THE TORNADO WARNING FOR NORTH CENTRAL MIAMI-DADE COUNTY WILL
EXPIRE AT 145 PM EDT...
        
The storm which prompted the warning is moving out of the area.
Therefore the warning will be allowed to expire.

LAT...LON 2576 8039 2575 8039 2581 8050 2582 8044
TIME...MOT...LOC 1742Z 144DEG 9KT 2578 8042 

$$

KScharf

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 28, 12:29 AM EDTSmall Craft AdvisoryMFL5 hr
Oct 28, 12:29 AM EDTTropical Storm WarningMFL32 hr
Oct 28, 4:59 AM EDTSmall Craft AdvisoryMFL47 hr
Oct 28, 10:18 AM EDTFlood WatchMFLBroward, Collier, Miami-Dade, Monroe, Palm Beach19 hr
Oct 28, 11:17 AM EDTTropical Storm WatchMFLMiami-Dade18 hr
Oct 28, 11:40 AM EDTRip Current StatementMFLBroward, Palm Beach17 hr
Oct 28, 2:24 PM EDTSpecial Marine WarningMFL36 min
Oct 28, 4:32 PM EDTSpecial Marine WarningMFL43 min
Oct 28, 5:39 PM EDTTornado WarningMFLPalm Beach21 min
Oct 28, 6:10 PM EDTTornado WarningMFLPalm Beach20 min
Oct 28, 6:14 PM EDTSpecial Marine WarningMFL31 min
Oct 28, 6:26 PM EDTTornado WarningMFLPalm Beach22 min
Oct 28, 6:58 PM EDTSpecial Marine WarningMFL32 min
Oct 28, 7:04 PM EDTAreal Flood AdvisoryMFLPalm Beach3 hr
Oct 28, 7:14 PM EDTAreal Flood AdvisoryMFLPalm Beach3 hr
Oct 28, 7:27 PM EDTSpecial Marine WarningMFL33 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.