Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 64, NWS Melbourne, FL

September 1, 2016Lake County, Orange County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Sep 1, 2016, 2:10 PM EDT for Lake County, Orange County, Florida. It was in force for 50 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
Sep 1, 2016, 2:10 PM EDT (18:10 UTC)
Expired
Sep 1, 2016, 3:00 PM EDT
In force
50 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 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 18:10 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 nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 6.2 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 12:00Z on 2016-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1145 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 2016-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 211 square meters per square second.193958Sfc1 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
1145 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
683 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
211 m²/s²
0-3 km storm-relative helicity
245 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

699 
WUUS52 KMLB 011810
SVRMLB
FLC069-095-011900-
/O.NEW.KMLB.SV.W.0064.160901T1810Z-160901T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
210 PM EDT THU SEP 1 2016

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

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

* UNTIL 300 PM EDT

* AT 209 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES WEST OF
  FOUR CORNERS...OR 12 MILES WEST OF BAY LAKE...MOVING NORTH AT 30
  MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  OCOEE...WINTER GARDEN...CLERMONT...OAKLAND AND LAKE LOUISA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2862 8180 2858 8155 2835 8167 2835 8179
      2836 8179 2836 8181
TIME...MOT...LOC 1809Z 191DEG 24KT 2833 8176 

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

BRAGAW
1 follow-up statement
781 
WWUS52 KMLB 011853
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
253 PM EDT THU SEP 1 2016

FLC069-095-011902-
/O.EXP.KMLB.SV.W.0064.000000T0000Z-160901T1900Z/
ORANGE FL-LAKE FL-
253 PM EDT THU SEP 1 2016

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL ORANGE AND SOUTH
CENTRAL LAKE COUNTIES WILL EXPIRE AT 300 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE...THE WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT FOR EAST CENTRAL
FLORIDA.

LAT...LON 2862 8180 2858 8155 2835 8167 2835 8179
      2836 8179 2836 8181
TIME...MOT...LOC 1851Z 191DEG 24KT 2833 8176 

$$

BRAGAW

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 31, 10:46 PM EDTSpecial Weather StatementMLBBrevard, Indian River, Martin, Okeechobee, Saint Lucie59 min
Aug 31, 10:56 PM EDTSpecial Marine WarningMLB2 hr
Aug 31, 11:43 PM EDTSpecial Weather StatementMLBBrevard, Indian River32 min
Sep 1, 4:07 AM EDTSmall Craft Advisory for WindsMLB42 hr
Sep 1, 1:50 PM EDTSpecial Weather StatementMLBIndian River55 min
Sep 1, 1:56 PM EDTSpecial Weather StatementMLBSaint Lucie49 min
Sep 1, 2:18 PM EDTSpecial Weather StatementMLBOsceola42 min
Sep 1, 2:30 PM EDTSpecial Weather StatementMLBSeminole45 min
Sep 1, 2:36 PM EDTSpecial Marine WarningMLB84 min
Sep 1, 2:53 PM EDTSevere Thunderstorm WarningMLBLake, Orange37 min
Sep 1, 3:05 PM EDTSevere Thunderstorm WarningMLBLake, Orange25 min
Sep 1, 3:09 PM EDTSpecial Marine WarningMLB66 min
Sep 1, 3:14 PM EDTSpecial Weather StatementMLBOkeechobee46 min
Sep 1, 3:31 PM EDTSpecial Marine WarningMLB59 min
Sep 1, 3:36 PM EDTSevere Thunderstorm WarningMLBLake, Seminole, Volusia39 min
Sep 1, 3:39 PM EDTTornado WarningMLBVolusia36 min
Sep 1, 3:50 PM EDTSpecial Marine WarningMLB85 min
Sep 1, 3:53 PM EDTSpecial Weather StatementMLBIndian River, Saint Lucie67 min
Sep 1, 3:59 PM EDTSpecial Weather StatementMLBOsceola46 min
Sep 1, 4:28 PM EDTTropical Storm WarningMLB23 hr
Sep 1, 4:41 PM EDTWind AdvisoryMLBLake, Orange, Seminole, Volusia23 hr
Sep 1, 4:52 PM EDTSevere Thunderstorm WarningMLBBrevard, Volusia53 min
Sep 1, 5:21 PM EDTSpecial Marine WarningMLB54 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.