Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 32, NWS Miami, FL

May 18, 2016Broward County, Palm Beach County, Florida

NWS Miami, FL issued this severe thunderstorm warning at May 18, 2016, 5:11 PM EDT for Broward County, Palm Beach County, Florida. It was in force for 19 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: May 18, 2016, 5:11 PM EDT (21:11 UTC)
Expired: May 18, 2016, 5:30 PM EDT
In force: 19 min
Issued by: NWS Miami, FL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Broward County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 85 km from the middle of the area, began a volume at 21:13 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 18, 5:14 PM EDT	TSTM WND DMG	1 Nnw Deerfield Beach, FL	BROWARD COUNTY SHERIFF OFFICE REPORTED DAMAGE TO SEVERAL HOMES NEAR THE INTERSECTION OF NW 2ND WAY AND NW 4TH ST. DAMAGE INCLUDED AN AWNING BEING RIPPED OFF OF A HOME AND THROWN INTO A HOME NEXT DOOR... WINDOW DAMAGE... STORM SHUTTER DAMAGE... A SMALL TREE KNO

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, 9.2 hours before the alert went out and 59 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: 619 J/kg
Mixed-layer CIN: -150 J/kg
Mixed-layer LCL: 1096 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 166 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

933 
WUUS52 KMFL 182111
SVRMFL
FLC011-099-182130-
/O.NEW.KMFL.SV.W.0032.160518T2111Z-160518T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
511 PM EDT WED MAY 18 2016

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN BROWARD COUNTY IN SOUTHEASTERN FLORIDA...
  SOUTHEASTERN PALM BEACH COUNTY IN SOUTHEASTERN FLORIDA...

* UNTIL 530 PM EDT

* AT 511 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER BOCA RATON...
  MOVING SOUTHEAST AT 45 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  POMPANO BEACH...BOCA RATON...DEERFIELD BEACH...LIGHTHOUSE POINT AND
  COCONUT CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 2632 8018 2643 8009 2634 8005 2622 8007
TIME...MOT...LOC 2111Z 314DEG 37KT 2634 8008 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

KSCHARF

1 follow-up statement

739 
WWUS52 KMFL 182125
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
525 PM EDT WED MAY 18 2016

FLC011-099-182134-
/O.EXP.KMFL.SV.W.0032.000000T0000Z-160518T2130Z/
BROWARD FL-PALM BEACH FL-
525 PM EDT WED MAY 18 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BROWARD AND
SOUTHEASTERN PALM BEACH COUNTIES WILL EXPIRE AT 530 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 2632 8018 2643 8009 2634 8005 2622 8007
TIME...MOT...LOC 2123Z 314DEG 37KT 2634 8008 

$$

KSCHARF

The office that day

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

Issued	Product	Office	Counties	Lasted
May 17, 8:01 PM EDT	Special Weather Statement	MFL	Glades	44 min
May 17, 8:19 PM EDT	Special Weather Statement	MFL	Broward	56 min
May 17, 9:44 PM EDT	Areal Flood Advisory	MFL	Glades, Hendry	3 hr
May 17, 10:13 PM EDT	Special Weather Statement	MFL	Glades, Hendry	62 min
May 17, 10:47 PM EDT	Special Marine Warning	MFL		58 min
May 17, 11:05 PM EDT	Special Weather Statement	MFL	Collier, Hendry	55 min
May 17, 11:31 PM EDT	Severe Thunderstorm Warning	MFL	Palm Beach	14 min
May 17, 11:43 PM EDT	Severe Thunderstorm Warning	MFL	Collier, Hendry	32 min
May 17, 11:49 PM EDT	Special Weather Statement	MFL	Palm Beach	56 min
May 18, 12:06 AM EDT	Special Marine Warning	MFL		54 min
May 18, 12:08 AM EDT	Special Weather Statement	MFL	Collier	52 min
May 18, 12:54 AM EDT	Special Weather Statement	MFL	Collier	66 min
May 18, 1:10 AM EDT	Special Weather Statement	MFL	Palm Beach	50 min
May 18, 1:36 AM EDT	Special Weather Statement	MFL	Collier	39 min
May 18, 3:01 AM EDT	Special Marine Warning	MFL		89 min
May 18, 3:20 AM EDT	Special Weather Statement	MFL	Broward	40 min
May 18, 3:25 AM EDT	Tornado Warning	MFL	Broward	15 min
May 18, 3:57 AM EDT	Special Weather Statement	MFL	Broward	63 min
May 18, 4:18 AM EDT	Special Marine Warning	MFL		57 min
May 18, 4:27 AM EDT	Special Marine Warning	MFL		33 min
May 18, 4:53 AM EDT	Special Marine Warning	MFL		97 min
May 18, 6:09 AM EDT	Special Weather Statement	MFL	Palm Beach	36 min
May 18, 6:16 AM EDT	Special Marine Warning	MFL		59 min
May 18, 6:56 AM EDT	Special Marine Warning	MFL		64 min
May 18, 7:56 AM EDT	Special Marine Warning	MFL		64 min
May 18, 1:41 PM EDT	Special Weather Statement	MFL	Miami-Dade	49 min
May 18, 2:03 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	117 min
May 18, 2:15 PM EDT	Special Weather Statement	MFL	Glades	45 min
May 18, 2:24 PM EDT	Special Marine Warning	MFL		66 min
May 18, 2:25 PM EDT	Special Weather Statement	MFL	Miami-Dade	65 min
May 18, 2:57 PM EDT	Special Weather Statement	MFL	Miami-Dade	33 min
May 18, 3:20 PM EDT	Special Weather Statement	MFL	Palm Beach	40 min
May 18, 3:24 PM EDT	Special Marine Warning	MFL		51 min
May 18, 3:25 PM EDT	Special Weather Statement	MFL	Miami-Dade	65 min
May 18, 3:29 PM EDT	Special Marine Warning	MFL		46 min
May 18, 3:37 PM EDT	Severe Thunderstorm Warning	MFL	Broward, Collier	23 min
May 18, 3:44 PM EDT	Special Weather Statement	MFL	Palm Beach	46 min
May 18, 3:56 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	2 hr
May 18, 3:58 PM EDT	Severe Thunderstorm Warning	MFL	Broward	32 min
May 18, 4:11 PM EDT	Severe Thunderstorm Warning	MFL	Palm Beach	23 min
May 18, 4:19 PM EDT	Special Weather Statement	MFL	Broward, Palm Beach	41 min
May 18, 4:24 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	2 hr
May 18, 4:25 PM EDT	Special Marine Warning	MFL		35 min
May 18, 4:28 PM EDT	Special Weather Statement	MFL	Broward	62 min
May 18, 4:36 PM EDT	Special Weather Statement	MFL	Miami-Dade	54 min
May 18, 4:40 PM EDT	Special Weather Statement	MFL	Glades	50 min
May 18, 4:47 PM EDT	Areal Flood Advisory	MFL	Palm Beach	118 min
May 18, 4:58 PM EDT	Special Weather Statement	MFL	Palm Beach	47 min
May 18, 5:01 PM EDT	Special Marine Warning	MFL		44 min
May 18, 5:10 PM EDT	Special Weather Statement	MFL	Collier	50 min
May 18, 5:42 PM EDT	Special Weather Statement	MFL	Miami-Dade	63 min
May 18, 6:14 PM EDT	Special Weather Statement	MFL	Hendry	46 min
May 18, 6:46 PM EDT	Special Marine Warning	MFL		44 min
May 18, 7:16 PM EDT	Areal Flood Advisory	MFL	Glades	3 hr
May 18, 7:37 PM EDT	Special Weather Statement	MFL	Glades	23 min

Nearby

Severe Thunderstorm Warnings in Florida, 2016 Every severe thunderstorm warning 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.