Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 29, NWS Melbourne, FL

April 14, 2016Indian River County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Apr 14, 2016, 8:33 PM EDT for Indian River County, Florida. It was in force for 44 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, 8:33 PM EDT (00:33 UTC)
Expired
Apr 14, 2016, 9:17 PM EDT
In force
44 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Indian River County, FL

The radar

The Melbourne radar (KMLB), 50 km from the middle of the area, began a volume at 00:35 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 00:00Z, 0.6 hours before the alert went out and 91 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 00:00Z on 2016-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 714 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 00:00Z on 2016-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
714 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
901 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

347 
WUUS52 KMLB 150033
SVRMLB
FLC061-150130-
/O.NEW.KMLB.SV.W.0029.160415T0033Z-160415T0130Z/

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

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL INDIAN RIVER COUNTY IN EAST CENTRAL FLORIDA...

* UNTIL 930 PM EDT

* AT 833 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER BLUE CYPRESS
  LAKE...MOVING EAST AT 15 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...
  SEBASTIAN...FELLSMERE...BLUE CYPRESS LAKE...POINTE WEST AND VERO LAKE
  ESTATES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2756 8060 2756 8062 2771 8087 2782 8080
      2777 8049 2764 8047
TIME...MOT...LOC 0033Z 292DEG 10KT 2775 8076 

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

15
1 follow-up statement
932 
WWUS52 KMLB 150117
SVSMLB

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

FLC061-150126-
/O.CAN.KMLB.SV.W.0029.000000T0000Z-160415T0130Z/
INDIAN RIVER FL-
917 PM EDT THU APR 14 2016

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL INDIAN RIVER 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 HEAVY RAIN AND
LIGHTNING IS STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 2756 8060 2756 8062 2771 8087 2782 8080
      2777 8049 2764 8047
TIME...MOT...LOC 0115Z 292DEG 10KT 2770 8063 

$$

15

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 8:27 PM EDTSevere Thunderstorm WarningMLBOkeechobee, Osceola46 min
Apr 14, 9:29 PM EDTSevere Thunderstorm WarningMLBOkeechobee, Saint Lucie46 min
Apr 14, 10:35 PM EDTSpecial Marine WarningMLB55 min
Apr 14, 10:37 PM EDTSpecial Weather StatementMLBSaint Lucie23 min
Apr 15, 3:59 AM EDTSmall Craft AdvisoryMLB4 days
Apr 15, 2:37 PM EDTSpecial Weather StatementMLBMartin, Okeechobee, Saint Lucie53 min
Apr 15, 2:49 PM EDTSpecial Weather StatementMLBIndian River56 min
Apr 15, 2:54 PM EDTSpecial Marine WarningMLB51 min
Apr 15, 3:23 PM EDTSpecial Weather StatementMLBSaint Lucie67 min
Apr 15, 3:41 PM EDTSevere Thunderstorm WarningMLBSaint Lucie49 min
Apr 15, 3:51 PM EDTSpecial Marine WarningMLB54 min
Apr 15, 4:09 PM EDTSpecial Weather StatementMLBOsceola51 min
Apr 15, 4:21 PM EDTCoastal Flood WatchMLBVolusia6 hr
Apr 15, 4:24 PM EDTSpecial Marine WarningMLB66 min
Apr 15, 4:25 PM EDTSpecial Weather StatementMLBMartin50 min
Apr 15, 4:31 PM EDTSpecial Weather StatementMLBOkeechobee59 min
Apr 15, 4:37 PM EDTSpecial Weather StatementMLBSaint Lucie53 min
Apr 15, 4:39 PM EDTSevere Thunderstorm WarningMLBMartin36 min
Apr 15, 4:42 PM EDTSevere Thunderstorm WarningMLBSaint Lucie63 min
Apr 15, 4:46 PM EDTAreal Flood AdvisoryMLBSaint Lucie119 min
Apr 15, 4:55 PM EDTSevere Thunderstorm WarningMLBMartin35 min
Apr 15, 5:00 PM EDTSpecial Marine WarningMLB60 min
Apr 15, 5:02 PM EDTSevere Thunderstorm WarningMLBIndian River, Saint Lucie40 min
Apr 15, 5:08 PM EDTSevere Thunderstorm WarningMLBMartin, Saint Lucie35 min
Apr 15, 5:20 PM EDTSpecial Weather StatementMLBIndian River55 min
Apr 15, 5:56 PM EDTSpecial Weather StatementMLBLake64 min
Apr 15, 6:05 PM EDTAreal Flood AdvisoryMLBOsceola115 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.