Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 63, NWS Melbourne, FL

August 14, 2016Lake County, Orange County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Aug 14, 2016, 3:03 PM EDT for Lake County, Orange County, Florida. It was in force for 57 min. 3 reports 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
Aug 14, 2016, 3:03 PM EDT (19:03 UTC)
Expired
Aug 14, 2016, 4:00 PM EDT
In force
57 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Lake County, FL, Orange County, FL

The radar

The Tampa radar (KTBW), 114 km from the middle of the area, began a volume at 19:03 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
Aug 14, 3:10 PM EDTTSTM WND DMG4 S Eustis, FLLAKE COUNTY SHERIFF REPORTS LAKESHORE DR BETWEEN BAY RD AND SUNSET DR IS CLOSED DUE TO A LARGE TREE DOWN. TIME ESTIMATED BY RADAR
Aug 14, 3:24 PM EDTTSTM WND GST 45Leesburg Airport, FLASOS AT LEESBURG AIRPORT MEASURED WIND GUST OF 39KT/45MPH FROM THE SE
Aug 14, 3:28 PM EDTTSTM WND DMG4 W Eustis, FLLAKE COUNTY EMS REPORTS STRUCTURAL DAMAGE TO A COMMUNITY POOL HOUSE AT THE SHANGRI-LA BY THE LAKE MOBILE HOME PARK. ROOF TORN OFF BUILDING AND DAMAGE TO WIRING. TIME ESTIMATED BY RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 7.1 hours before the alert went out and 114 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, Tampa Bay, FL at 12:00Z on 2016-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 534 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, Tampa Bay, FL at 12:00Z on 2016-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -52 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
534 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
1417 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-52 m²/s²
0-3 km storm-relative helicity
-67 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

511 
WUUS52 KMLB 141903
SVRMLB
FLC069-095-142000-
/O.NEW.KMLB.SV.W.0063.160814T1903Z-160814T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
303 PM EDT SUN AUG 14 2016

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN ORANGE COUNTY IN EAST CENTRAL FLORIDA...
  LAKE COUNTY IN EAST CENTRAL FLORIDA...

* UNTIL 400 PM EDT

* AT 303 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR LAKE APOPKA TO CLERMONT TO 7 MILES SOUTHWEST OF
  LAKE LOUISA...MOVING NORTHWEST AT 20 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  APOPKA...OCOEE...WINTER GARDEN...LEESBURG AND EUSTIS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2896 8195 2896 8158 2878 8141 2835 8175
      2835 8179 2836 8179 2836 8186 2835 8186
      2835 8196
TIME...MOT...LOC 1903Z 153DEG 22KT 2869 8166 2856 8176 2841 8182 

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

SEDLOCK
3 follow-up statements
907 
WWUS52 KMLB 141922
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
322 PM EDT SUN AUG 14 2016

FLC095-141927-
/O.CAN.KMLB.SV.W.0063.000000T0000Z-160814T2000Z/
ORANGE FL-
322 PM EDT SUN AUG 14 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ORANGE COUNTY IS
CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE...THE WARNING HAS BEEN CANCELLED.

LAT...LON 2896 8195 2896 8158 2879 8152 2879 8165
      2878 8166 2868 8166 2858 8174 2859 8176
      2859 8181 2861 8196
TIME...MOT...LOC 1917Z 147DEG 15KT 2887 8156 2881 8172 2863 8179 

$$

FLC069-142000-
/O.CON.KMLB.SV.W.0063.000000T0000Z-160814T2000Z/
LAKE FL-
322 PM EDT SUN AUG 14 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR WEST CENTRAL LAKE COUNTY...

AT 332 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR EUSTIS TO TAVARES TO NEAR HOWEY
IN THE HILLS...MOVING NORTHWEST AT 15 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
LEESBURG...EUSTIS...TAVARES...LADY LAKE AND MOUNT DORA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2896 8195 2896 8158 2879 8152 2879 8165
      2878 8166 2868 8166 2858 8174 2859 8176
      2859 8181 2861 8196
TIME...MOT...LOC 1917Z 147DEG 15KT 2887 8156 2881 8172 2863 8179 

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

SEDLOCK
931 
WWUS52 KMLB 141934
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
334 PM EDT SUN AUG 14 2016

FLC069-142000-
/O.CON.KMLB.SV.W.0063.000000T0000Z-160814T2000Z/
LAKE FL-
334 PM EDT SUN AUG 14 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR WEST CENTRAL LAKE COUNTY...

AT 334 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR PAISLEY TO LISBON TO 8 MILES NORTHEAST OF
BUSHNELL...MOVING NORTHWEST AT 15 TO 20 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
LEESBURG...EUSTIS...TAVARES...LADY LAKE AND MOUNT DORA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2896 8195 2896 8158 2888 8156 2874 8184
      2870 8195
TIME...MOT...LOC 1934Z 133DEG 16KT 2895 8160 2887 8178 2872 8199 

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

SEDLOCK
719 
WWUS52 KMLB 141952
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
352 PM EDT SUN AUG 14 2016

FLC069-142001-
/O.EXP.KMLB.SV.W.0063.000000T0000Z-160814T2000Z/
LAKE FL-
352 PM EDT SUN AUG 14 2016

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL LAKE COUNTY WILL
EXPIRE AT 400 PM EDT...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND HAVE EXITED THE WARNED AREA. THEREFORE...THE WARNING
WILL BE ALLOWED TO EXPIRE.  HOWEVER GUSTY WINDS ARE STILL POSSIBLE
WITH THESE THUNDERSTORMS.

LAT...LON 2896 8195 2896 8158 2888 8156 2874 8184
      2870 8195
TIME...MOT...LOC 1950Z 153DEG 22KT 2895 8160 2887 8178 2872 8199 

$$

SEDLOCK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 1:58 PM EDTSpecial Weather StatementMLBOrange47 min
Aug 14, 2:12 PM EDTSpecial Weather StatementMLBOrange48 min
Aug 14, 2:32 PM EDTSpecial Weather StatementMLBLake, Seminole58 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.