Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 38, NWS Melbourne, FL

May 4, 2016Lake County, Orange County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at May 4, 2016, 5:52 AM EDT for Lake County, Orange County, Florida. It was in force for 39 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
May 4, 2016, 5:52 AM EDT (09:52 UTC)
Expired
May 4, 2016, 6:31 AM EDT
In force
39 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Lake County, FL, Orange County, FL

The radar

The Tampa radar (KTBW), 106 km from the middle of the area, began a volume at 09:53 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
May 4, 6:20 AM EDTHAIL 0.7Windermere, FLPUBLIC REPORTS OF DIME SIZE HAIL, RELAYED BY WESH-2 NEWS. TIME ESTIMATED FROM 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 00:00Z, 9.9 hours before the alert went out and 106 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 00:00Z on 2016-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1469 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 00:00Z on 2016-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.1939587897Sfc1 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
1469 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
918 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.5

Open this sounding in Storm Lab

The text

As transmitted.

369 
WUUS52 KMLB 040952
SVRMLB
FLC069-095-041045-
/O.NEW.KMLB.SV.W.0038.160504T0952Z-160504T1045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
552 AM EDT WED MAY 4 2016

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

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

* UNTIL 645 AM EDT

* AT 552 AM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LAKE LOUISA...
  OR 7 MILES SOUTHWEST OF WINTER GARDEN...MOVING EAST AT 30 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...
  ORLANDO...OCOEE...WINTER GARDEN...WINTER PARK AND WINDERMERE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 2859 8179 2859 8127 2835 8127 2835 8179
      2836 8179 2836 8186 2835 8186 2835 8188
TIME...MOT...LOC 0952Z 270DEG 28KT 2850 8169 

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

SEDLOCK
3 follow-up statements
190 
WWUS52 KMLB 041011
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
611 AM EDT WED MAY 4 2016

FLC069-041020-
/O.CAN.KMLB.SV.W.0038.000000T0000Z-160504T1045Z/
LAKE FL-
611 AM EDT WED MAY 4 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL LAKE COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA...THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 2857 8166 2858 8165 2859 8127 2835 8127
      2837 8163 2836 8149 2835 8150 2835 8166
TIME...MOT...LOC 1010Z 269DEG 22KT 2850 8159 

$$

FLC095-041045-
/O.CON.KMLB.SV.W.0038.000000T0000Z-160504T1045Z/
ORANGE FL-
611 AM EDT WED MAY 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 AM EDT
FOR SOUTHWESTERN ORANGE COUNTY...

AT 610 AM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER HORIZON WEST...
OR NEAR WINDERMERE...MOVING EAST 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...
ORLANDO...OCOEE...WINTER GARDEN...WINTER PARK AND WINDERMERE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 2857 8166 2858 8165 2859 8127 2835 8127
      2837 8163 2836 8149 2835 8150 2835 8166
TIME...MOT...LOC 1010Z 269DEG 22KT 2850 8159 

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

SEDLOCK
489 
WWUS52 KMLB 041022
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
622 AM EDT WED MAY 4 2016

FLC095-041045-
/O.CON.KMLB.SV.W.0038.000000T0000Z-160504T1045Z/
ORANGE FL-
622 AM EDT WED MAY 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 AM EDT
FOR SOUTHWESTERN ORANGE COUNTY...

AT 622 AM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER UNIVERSAL
STUDIOS...OR NEAR WINDERMERE...MOVING EAST AT 30 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...
ORLANDO...OCOEE...WINTER PARK...WINDERMERE AND ORLANDO INTERNATIONAL
AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 2858 8153 2858 8148 2859 8127 2842 8127
      2843 8137 2843 8157
TIME...MOT...LOC 1022Z 270DEG 28KT 2850 8148 

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

SEDLOCK
432 
WWUS52 KMLB 041031
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
631 AM EDT WED MAY 4 2016

FLC095-041041-
/O.CAN.KMLB.SV.W.0038.000000T0000Z-160504T1045Z/
ORANGE FL-
631 AM EDT WED MAY 4 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN ORANGE COUNTY 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.  HOWEVER SMALL HAIL...GUSTY
WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
MELBOURNE.

LAT...LON 2858 8153 2858 8148 2859 8127 2842 8127
      2843 8137 2843 8157
TIME...MOT...LOC 1029Z 270DEG 28KT 2850 8140 

$$

SEDLOCK

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 5:03 AM EDTSpecial Weather StatementMLBLake42 min
May 4, 5:40 AM EDTSpecial Weather StatementMLBOrange50 min
May 4, 7:34 AM EDTSpecial Weather StatementMLBOsceola56 min
May 4, 7:48 AM EDTSpecial Weather StatementMLBFlagler42 min
May 4, 8:16 AM EDTSevere Thunderstorm WarningMLBBrevard, Indian River, Osceola48 min
May 4, 8:40 AM EDTSpecial Marine WarningMLB95 min
May 4, 8:43 AM EDTSpecial Weather StatementMLBBrevard32 min
May 4, 9:02 AM EDTSpecial Weather StatementMLBIndian River, Okeechobee58 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.