Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 35, NWS Melbourne, FL

April 15, 2016Indian River County, Saint Lucie County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Apr 15, 2016, 5:02 PM EDT for Indian River County, Saint Lucie County, Florida. It was in force for 40 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, 5:02 PM EDT (21:02 UTC)
Expired: Apr 15, 2016, 5:42 PM EDT
In force: 40 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Indian River County, FL, Saint Lucie County, FL

The radar

The Melbourne radar (KMLB), 69 km from the middle of the area, began a volume at 21:04 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, 9.0 hours before the alert went out and 104 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.

985 
WUUS52 KMLB 152102
SVRMLB
FLC061-111-152200-
/O.NEW.KMLB.SV.W.0035.160415T2102Z-160415T2200Z/

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

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN ST. LUCIE COUNTY IN EAST CENTRAL FLORIDA...
  SOUTHEASTERN INDIAN RIVER COUNTY IN EAST CENTRAL FLORIDA...

* UNTIL 600 PM EDT

* AT 501 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER LAKEWOOD
  PARK...OR CLOSE TO VERO BEACH SOUTH...MOVING EAST NORTHEAST 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...
  FORT PIERCE...VERO BEACH...INDIAN RIVER SHORES...INDRIO AND VERO BEACH
  SOUTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 2744 8047 2767 8053 2770 8035 2750 8026
      2747 8025
TIME...MOT...LOC 2101Z 254DEG 22KT 2755 8041 

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

DWS

1 follow-up statement

428 
WWUS52 KMLB 152142
SVSMLB

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

FLC061-111-152152-
/O.CAN.KMLB.SV.W.0035.000000T0000Z-160415T2200Z/
ST. LUCIE FL-INDIAN RIVER FL-
542 PM EDT FRI APR 15 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ST. LUCIE AND
SOUTHEASTERN INDIAN RIVER COUNTIES IS CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.

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

LAT...LON 2744 8047 2767 8053 2770 8035 2750 8026
      2747 8025
TIME...MOT...LOC 2136Z 254DEG 22KT 2762 8014 

$$

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, 5:08 PM EDT	Severe Thunderstorm Warning	MLB	Martin, Saint Lucie	35 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.