Alert archive / Florida / Tornado Warnings in 2016

Tornado Warning 25, NWS Miami, FL

May 17, 2016Broward County, Florida

NWS Miami, FL issued this tornado warning at May 17, 2016, 4:25 PM EDT for Broward County, Florida. It was in force for 15 min. 2 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: May 17, 2016, 4:25 PM EDT (20:25 UTC)
Expired: May 17, 2016, 4:40 PM EDT
In force: 15 min
Issued by: NWS Miami, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Broward County, FL

The radar

The Miami radar (KAMX), 66 km from the middle of the area, began a volume at 20:27 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

Time	Report	Where	Remark
May 17, 4:30 PM EDT	FUNNEL CLOUD	18 W Weston, FL	TWITTER PHOTOS SHOW WALL CLOUD AND FUNNEL CLOUD
May 17, 4:30 PM EDT	FUNNEL CLOUD	18 W Weston, FL	TWITTER PHOTOS SHOW WALL CLOUD AND FUNNEL CLOUD NEAR I-75

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, 8.4 hours before the alert went out and 52 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2656 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 632 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 3.7

Open this sounding in Storm Lab

The text

As transmitted.

596 
WFUS52 KMFL 172025
TORMFL
FLC011-172100-
/O.NEW.KMFL.TO.W.0025.160517T2025Z-160517T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
425 PM EDT TUE MAY 17 2016

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN BROWARD COUNTY IN SOUTHEASTERN FLORIDA...

* UNTIL 500 PM EDT
    
* AT 424 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED NEAR INTERSECTION ALLIGATOR ALLEY AND MIAMI CANAL...OR
  22 MILES NORTHWEST OF PEMBROKE PINES...MOVING NORTHEAST AT 15 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...
  INTERSECTION ALLIGATOR ALLEY AND MIAMI CANAL AND WEST BROWARD REC.
  AREA ON ALLIGATOR ALLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. IF YOU
CANNOT SAFELY DRIVE AWAY FROM THE TORNADO...AS A LAST RESORT...EITHER
PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN
IN A LOW LYING AREA AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 2611 8067 2615 8073 2631 8059 2620 8048
TIME...MOT...LOC 2024Z 225DEG 13KT 2614 8067 

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

$$

ALM

1 follow-up statement

458 
WWUS52 KMFL 172040
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
440 PM EDT TUE MAY 17 2016

FLC011-172049-
/O.CAN.KMFL.TO.W.0025.000000T0000Z-160517T2100Z/
BROWARD FL-
440 PM EDT TUE MAY 17 2016

...THE TORNADO WARNING FOR NORTHWESTERN BROWARD COUNTY IS
CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING HAS BEEN CANCELLED.  HOWEVER GUSTY WINDS AND
HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 2611 8067 2615 8073 2631 8059 2620 8048
TIME...MOT...LOC 2039Z 225DEG 13KT 2618 8062 

$$

ALM

The office that day

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

Issued	Product	Office	Counties	Lasted
May 17, 1:37 PM EDT	Special Weather Statement	MFL	Collier, Hendry	53 min
May 17, 2:31 PM EDT	Special Weather Statement	MFL	Hendry, Palm Beach	89 min
May 17, 2:32 PM EDT	Special Marine Warning	MFL		58 min
May 17, 3:02 PM EDT	Special Weather Statement	MFL	Palm Beach	28 min
May 17, 3:02 PM EDT	Severe Thunderstorm Warning	MFL	Glades	28 min
May 17, 3:29 PM EDT	Special Marine Warning	MFL		46 min
May 17, 4:00 PM EDT	Special Weather Statement	MFL	Broward	75 min
May 17, 5:32 PM EDT	Special Weather Statement	MFL	Broward	58 min
May 17, 6:05 PM EDT	Tornado Warning	MFL	Broward	25 min
May 17, 6:28 PM EDT	Special Weather Statement	MFL	Broward	62 min
May 17, 7:07 PM EDT	Areal Flood Advisory	MFL	Glades, Hendry	3 hr

Nearby

Tornado Warnings in Florida, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.