Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 27, NWS Melbourne, FL

April 14, 2016Osceola County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Apr 14, 2016, 7:27 PM EDT for Osceola County, Florida. It was in force for 63 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 14, 2016, 7:27 PM EDT (23:27 UTC)
Expired
Apr 14, 2016, 8:30 PM EDT
In force
63 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Osceola County, FL

The radar

The Melbourne radar (KMLB), 70 km from the middle of the area, began a volume at 23:29 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 nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 11.5 hours before the alert went out and 97 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, Cape Canaveral, FL at 12:00Z on 2016-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 129 joules per kilogram.LCLLFCEL10008507005003002001001 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, Cape Canaveral, FL at 12:00Z on 2016-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.19395878Sfc1 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
129 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
925 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

902 
WUUS52 KMLB 142327
SVRMLB
FLC097-150030-
/O.NEW.KMLB.SV.W.0027.160414T2327Z-160415T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
727 PM EDT THU APR 14 2016

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL OSCEOLA COUNTY IN EAST CENTRAL FLORIDA...

* UNTIL 830 PM EDT

* AT 725 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  POINCIANA...OR 9 MILES SOUTH OF WEST LAKE TOHO...MOVING EAST AT 20
  MPH. ANOTHER SEVERE STORM WAS JUST SOUTH OF ST CLOUD MOVING
  TOWARDS HARMONY AND HOLOPAW.

  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...
  HOLOPAW...LAKE MARIAN...LAKE KISSIMMEE...WEST LAKE TOHO AND POINCIANA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE IMMEDIATELY TO SHELTER INSIDE A STRONG BUILDING. STAY
AWAY FROM WINDOWS.

&&

LAT...LON 2824 8145 2817 8093 2779 8110 2790 8132
      2792 8131 2794 8135 2795 8134 2800 8139
      2800 8142 2804 8146 2806 8146 2806 8144
      2801 8138 2807 8137 2807 8135 2808 8135
      2809 8145 2814 8146 2814 8150
TIME...MOT...LOC 2325Z 289DEG 18KT 2808 8145 

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

LASCODY
1 follow-up statement
578 
WWUS52 KMLB 142359
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
759 PM EDT THU APR 14 2016

FLC097-150030-
/O.CON.KMLB.SV.W.0027.000000T0000Z-160415T0030Z/
OSCEOLA FL-
759 PM EDT THU APR 14 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR CENTRAL OSCEOLA COUNTY...

AT 758 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES NORTHEAST OF
LAKE KISSIMMEE...MOVING EAST AT 25 MPH.

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

SOURCE...PUBLIC. SEVERAL REPORTS OF LARGE HAIL AS BIG AS GOLF BALLS
         AND HALF DOLLARS WERE RECEIVED ALONG THE OSCEOLA AND POLK
         COUNTY LINE WITH THIS SEVERE STORM.

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

LOCATIONS IMPACTED INCLUDE...
LAKE MARIAN...LAKE KISSIMMEE AND FOREVER FLORIDA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 2799 8138 2807 8135 2808 8135 2815 8132
      2808 8097 2779 8110 2790 8132 2792 8131
      2794 8135 2795 8134
TIME...MOT...LOC 2358Z 289DEG 24KT 2799 8119 

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

LASCODY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 3:48 PM EDTSevere Thunderstorm WarningMLBVolusia27 min
Apr 14, 3:58 PM EDTSpecial Marine WarningMLB62 min
Apr 14, 4:37 PM EDTSpecial Weather StatementMLBVolusia38 min
Apr 14, 5:34 PM EDTSpecial Marine WarningMLB56 min
Apr 14, 5:43 PM EDTSpecial Weather StatementMLBOrange62 min
Apr 14, 5:48 PM EDTSpecial Weather StatementMLBPolk57 min
Apr 14, 6:05 PM EDTSevere Thunderstorm WarningMLBOsceola40 min
Apr 14, 6:41 PM EDTSevere Thunderstorm WarningMLBOsceola49 min
Apr 14, 7:03 PM EDTSpecial Marine WarningMLB117 min
Apr 14, 7:05 PM EDTSevere Thunderstorm WarningMLBBrevard, Indian River40 min
Apr 14, 7:46 PM EDTSpecial Weather StatementMLBIndian River44 min
Apr 14, 7:56 PM EDTSpecial Weather StatementMLBIndian River49 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.