Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 36, NWS Melbourne, FL

April 15, 2016Martin County, Saint Lucie County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Apr 15, 2016, 5:08 PM EDT for Martin County, Saint Lucie County, Florida. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 15, 2016, 5:08 PM EDT (21:08 UTC)
Expired: Apr 15, 2016, 5:43 PM EDT
In force: 35 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Martin County, FL, Saint Lucie County, FL

The radar

The Melbourne radar (KMLB), 110 km from the middle of the area, began a volume at 21:10 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 15, 3:14 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 9.1 hours before the alert went out and 147 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: 884 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 809 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 75 m²/s²
0-3 km storm-relative helicity: 113 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

As transmitted.

662 
WUUS52 KMLB 152108
SVRMLB
FLC085-111-152200-
/O.NEW.KMLB.SV.W.0036.160415T2108Z-160415T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
508 PM EDT FRI APR 15 2016

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN ST. LUCIE COUNTY IN EAST CENTRAL FLORIDA...
  CENTRAL MARTIN COUNTY IN EAST CENTRAL FLORIDA...

* UNTIL 600 PM EDT

* AT 506 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  TRADITION...OR 10 MILES SOUTHWEST OF PORT SAINT LUCIE...MOVING
  EAST-SOUTHEAST AT 25 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...
  STUART...JUPITER ISLAND...PORT SALERNO...JENSEN BEACH AND PALM CITY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2714 8061 2726 8053 2729 8019 2706 8011
      2705 8015
TIME...MOT...LOC 2106Z 283DEG 21KT 2722 8051 

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

DWS

1 follow-up statement

270 
WWUS52 KMLB 152143
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
543 PM EDT FRI APR 15 2016

FLC085-111-152153-
/O.CAN.KMLB.SV.W.0036.000000T0000Z-160415T2200Z/
ST. LUCIE FL-MARTIN FL-
543 PM EDT FRI APR 15 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ST. LUCIE AND
CENTRAL MARTIN COUNTIES IS CANCELLED...
                
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.  HOWEVER HEAVY RAIN IS
STILL POSSIBLE WITH THIS THUNDERSTORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FOR
EAST CENTRAL FLORIDA.

LAT...LON 2714 8061 2726 8053 2729 8019 2706 8011
      2705 8015
TIME...MOT...LOC 2136Z 283DEG 21KT 2717 8027 

$$

DWS

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 14, 8:27 PM EDT	Severe Thunderstorm Warning	MLB	Okeechobee, Osceola	46 min
Apr 14, 8:33 PM EDT	Severe Thunderstorm Warning	MLB	Indian River	44 min
Apr 14, 9:29 PM EDT	Severe Thunderstorm Warning	MLB	Okeechobee, Saint Lucie	46 min
Apr 14, 10:35 PM EDT	Special Marine Warning	MLB		55 min
Apr 14, 10:37 PM EDT	Special Weather Statement	MLB	Saint Lucie	23 min
Apr 15, 3:59 AM EDT	Small Craft Advisory	MLB		4 days
Apr 15, 2:37 PM EDT	Special Weather Statement	MLB	Martin, Okeechobee, Saint Lucie	53 min
Apr 15, 2:49 PM EDT	Special Weather Statement	MLB	Indian River	56 min
Apr 15, 2:54 PM EDT	Special Marine Warning	MLB		51 min
Apr 15, 3:23 PM EDT	Special Weather Statement	MLB	Saint Lucie	67 min
Apr 15, 3:41 PM EDT	Severe Thunderstorm Warning	MLB	Saint Lucie	49 min
Apr 15, 3:51 PM EDT	Special Marine Warning	MLB		54 min
Apr 15, 4:09 PM EDT	Special Weather Statement	MLB	Osceola	51 min
Apr 15, 4:21 PM EDT	Coastal Flood Watch	MLB	Volusia	6 hr
Apr 15, 4:24 PM EDT	Special Marine Warning	MLB		66 min
Apr 15, 4:25 PM EDT	Special Weather Statement	MLB	Martin	50 min
Apr 15, 4:31 PM EDT	Special Weather Statement	MLB	Okeechobee	59 min
Apr 15, 4:37 PM EDT	Special Weather Statement	MLB	Saint Lucie	53 min
Apr 15, 4:39 PM EDT	Severe Thunderstorm Warning	MLB	Martin	36 min
Apr 15, 4:42 PM EDT	Severe Thunderstorm Warning	MLB	Saint Lucie	63 min
Apr 15, 4:46 PM EDT	Areal Flood Advisory	MLB	Saint Lucie	119 min
Apr 15, 4:55 PM EDT	Severe Thunderstorm Warning	MLB	Martin	35 min
Apr 15, 5:00 PM EDT	Special Marine Warning	MLB		60 min
Apr 15, 5:02 PM EDT	Severe Thunderstorm Warning	MLB	Indian River, Saint Lucie	40 min
Apr 15, 5:20 PM EDT	Special Weather Statement	MLB	Indian River	55 min
Apr 15, 5:56 PM EDT	Special Weather Statement	MLB	Lake	64 min
Apr 15, 6:05 PM EDT	Areal Flood Advisory	MLB	Osceola	115 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.