Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 23, NWS Melbourne, FL

April 14, 2016Volusia County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Apr 14, 2016, 3:48 PM EDT for Volusia County, Florida. It was in force for 27 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, 3:48 PM EDT (19:48 UTC)
Expired
Apr 14, 2016, 4:15 PM EDT
In force
27 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Volusia County, FL

The radar

The Melbourne radar (KMLB), 82 km from the middle of the area, began a volume at 19:47 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, 7.8 hours before the alert went out and 53 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°0°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.

622 
WUUS52 KMLB 141948
SVRMLB
FLC127-142030-
/O.NEW.KMLB.SV.W.0023.160414T1948Z-160414T2030Z/

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

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

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

* UNTIL 430 PM EDT

* AT 347 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR DELTONA...
  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...
  DELTONA...NEW SMYRNA BEACH...EDGEWATER...OAK HILL AND MAYTOWN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2902 8084 2874 8065 2872 8065 2875 8076
      2879 8079 2879 8084 2878 8083 2877 8080
      2876 8079 2877 8085 2879 8085 2879 8092
      2887 8123 2906 8120
TIME...MOT...LOC 1947Z 281DEG 29KT 2895 8114 

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

LASCODY
1 follow-up statement
582 
WWUS52 KMLB 142015
SVSMLB

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

FLC127-142024-
/O.CAN.KMLB.SV.W.0023.000000T0000Z-160414T2030Z/
VOLUSIA FL-
415 PM EDT THU APR 14 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL VOLUSIA COUNTY IS
CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.  HOWEVER HEAVY RAIN AND
LIGHTNING ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 2902 8084 2874 8065 2872 8065 2875 8076
      2879 8079 2879 8084 2878 8083 2877 8080
      2876 8079 2877 8085 2879 8085 2879 8092
      2887 8123 2906 8120
TIME...MOT...LOC 2005Z 281DEG 29KT 2891 8089 

$$

LASCODY

The office that day

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

IssuedProductOfficeCountiesLasted
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, 7:27 PM EDTSevere Thunderstorm WarningMLBOsceola63 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.