Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 46, NWS Miami, FL

July 13, 2016Palm Beach County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jul 13, 2016, 2:43 PM EDT for Palm Beach County, Florida. It was in force for 17 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
Jul 13, 2016, 2:43 PM EDT (18:43 UTC)
Expired
Jul 13, 2016, 3:00 PM EDT
In force
17 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 136 km from the middle of the area, began a volume at 18:45 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
Jul 13, 3:00 PM EDTMARINE TSTM WIND 417 W Pahokee, FLA WIND GUST OF 41 MPH...36KTS WAS REPORTED BY THE SFWMD MESONET SITE L006 IN THE SOUTHERN PART OF LAKE OKEECHOBEE.

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, 6.7 hours before the alert went out and 117 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 2016-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3779 joules per kilogram.LCLEL10008507005003002001001 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 2016-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -49 square meters per square second.1939Sfc1 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
3779 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
625 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-49 m²/s²
0-3 km storm-relative helicity
-43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

005 
WUUS52 KMFL 131843
SVRMFL
FLC099-131915-
/O.NEW.KMFL.SV.W.0046.160713T1843Z-160713T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
243 PM EDT WED JUL 13 2016

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

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

* UNTIL 315 PM EDT

* AT 243 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER FREMD
  VILLAGE-PADGETT ISLAND...OR OVER PAHOKEE...MOVING WEST AT 10 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  BELLE GLADE...PAHOKEE...SOUTH BAY...CANAL POINT AND FREMD
  VILLAGE-PADGETT ISLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2690 8059 2672 8058 2666 8077 2679 8082
      2691 8070
TIME...MOT...LOC 1843Z 076DEG 7KT 2681 8067 

HAIL...1.00IN
WIND...60MPH
 
$$

KSCHARF
1 follow-up statement
906 
WWUS52 KMFL 131900
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
300 PM EDT WED JUL 13 2016

FLC099-131910-
/O.CAN.KMFL.SV.W.0046.000000T0000Z-160713T1915Z/
PALM BEACH FL-
300 PM EDT WED JUL 13 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN PALM BEACH COUNTY
IS CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE...THE WARNING HAS BEEN CANCELLED.  HOWEVER HEAVY RAIN IS
STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 2690 8059 2672 8058 2666 8077 2679 8082
      2691 8070
TIME...MOT...LOC 1900Z 076DEG 7KT 2680 8071 

$$

KSCHARF

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 8:10 PM EDTSpecial Weather StatementMFLBroward65 min
Jul 13, 12:53 PM EDTSpecial Weather StatementMFLMiami-Dade52 min
Jul 13, 1:03 PM EDTSpecial Weather StatementMFLPalm Beach57 min
Jul 13, 1:09 PM EDTSpecial Marine WarningMFL51 min
Jul 13, 1:51 PM EDTSpecial Weather StatementMFLHendry54 min
Jul 13, 2:03 PM EDTSpecial Weather StatementMFLBroward42 min
Jul 13, 2:08 PM EDTSpecial Weather StatementMFLMiami-Dade52 min
Jul 13, 2:32 PM EDTSpecial Marine WarningMFL43 min
Jul 13, 2:36 PM EDTSpecial Weather StatementMFLPalm Beach24 min
Jul 13, 2:44 PM EDTSpecial Weather StatementMFLMiami-Dade76 min
Jul 13, 2:54 PM EDTSpecial Weather StatementMFLCollier51 min
Jul 13, 3:09 PM EDTSpecial Marine WarningMFL51 min
Jul 13, 3:13 PM EDTSpecial Weather StatementMFLCollier62 min
Jul 13, 3:21 PM EDTSpecial Marine WarningMFL24 min
Jul 13, 3:27 PM EDTSpecial Weather StatementMFLCollier33 min
Jul 13, 3:34 PM EDTSevere Thunderstorm WarningMFLCollier26 min
Jul 13, 3:41 PM EDTSpecial Marine WarningMFL64 min
Jul 13, 4:00 PM EDTSpecial Weather StatementMFLCollier60 min

Nearby

Severe Thunderstorm Warnings in Florida, 2016Every 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.