Alert archive / Florida / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 39, NWS Melbourne, FL

June 7, 2018Brevard County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jun 7, 2018, 5:36 PM EDT for Brevard County, Florida. It was in force for 39 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
Jun 7, 2018, 5:36 PM EDT (21:36 UTC)
Expired
Jun 7, 2018, 6:15 PM EDT
In force
39 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Brevard County, FL

The radar

The Melbourne radar (KMLB), 15 km from the middle of the area, began a volume at 21:38 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, 9.6 hours before the alert went out and 43 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 2018-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 839 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 12:00Z on 2018-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
839 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
771 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

528 
WUUS52 KMLB 072136
SVRMLB
FLC009-072215-
/O.NEW.KMLB.SV.W.0039.180607T2136Z-180607T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Melbourne FL
536 PM EDT THU JUN 7 2018

The National Weather Service in Melbourne has issued a

* Severe Thunderstorm Warning for...
  Central Brevard County in Florida...

* Until 615 PM EDT.

* At 535 PM EDT, a severe thunderstorm was located west of 
  Interstate 95 in Viera, or 7 miles southwest of Rockledge, moving 
  southeast at 10 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Melbourne, Camp Holly Fish Camp, Suntree and Palm Shores.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2806 8077 2815 8086 2825 8086 2830 8082
      2822 8064
TIME...MOT...LOC 2135Z 313DEG 9KT 2822 8080 

HAIL...1.25IN
WIND...60MPH
 
$$

Rodriguez
1 follow-up statement
925 
WWUS52 KMLB 072153
SVSMLB

Severe Weather Statement
National Weather Service Melbourne FL
553 PM EDT THU JUN 7 2018

FLC009-072215-
/O.CON.KMLB.SV.W.0039.000000T0000Z-180607T2215Z/
Brevard FL-
553 PM EDT THU JUN 7 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR CENTRAL BREVARD COUNTY...

At 553 PM EDT, a severe thunderstorm was located near Suntree, or 7
miles north of Camp Holly Fish Camp, moving southeast at 10 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...
Melbourne, Camp Holly Fish Camp, Merritt Island, Suntree and Palm
Shores.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2806 8077 2815 8086 2824 8085 2830 8082
      2822 8064
TIME...MOT...LOC 2153Z 313DEG 9KT 2819 8076 

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

Rodriguez

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 9:37 PM EDTAreal Flood AdvisoryMLBLake53 min
Jun 7, 12:13 PM EDTSpecial Marine WarningMLB62 min
Jun 7, 2:37 PM EDTAreal Flood AdvisoryMLBMartin113 min
Jun 7, 2:41 PM EDTSpecial Weather StatementMLBMartin49 min
Jun 7, 2:43 PM EDTSpecial Marine WarningMLB2 hr
Jun 7, 4:24 PM EDTSpecial Marine WarningMLB2 hr
Jun 7, 4:34 PM EDTSpecial Weather StatementMLBIndian River26 min
Jun 7, 4:39 PM EDTSpecial Weather StatementMLBSeminole36 min
Jun 7, 4:48 PM EDTAreal Flood AdvisoryMLBIndian River87 min
Jun 7, 4:54 PM EDTSevere Thunderstorm WarningMLBIndian River34 min
Jun 7, 5:07 PM EDTSpecial Marine WarningMLB113 min
Jun 7, 5:18 PM EDTSpecial Weather StatementMLBIndian River27 min
Jun 7, 5:21 PM EDTSpecial Weather StatementMLBBrevard24 min
Jun 7, 5:27 PM EDTSpecial Weather StatementMLBSeminole48 min
Jun 7, 5:36 PM EDTSpecial Weather StatementMLBLake39 min
Jun 7, 5:40 PM EDTSevere Thunderstorm WarningMLBIndian River50 min
Jun 7, 5:44 PM EDTSevere Thunderstorm WarningMLBOrange, Seminole46 min
Jun 7, 5:53 PM EDTAreal Flood AdvisoryMLBLake112 min
Jun 7, 6:01 PM EDTSpecial Weather StatementMLBIndian River29 min
Jun 7, 6:07 PM EDTSpecial Weather StatementMLBBrevard38 min
Jun 7, 6:12 PM EDTSpecial Weather StatementMLBSaint Lucie33 min
Jun 7, 6:29 PM EDTSpecial Marine WarningMLB91 min
Jun 7, 6:53 PM EDTSpecial Weather StatementMLBOrange37 min
Jun 7, 7:24 PM EDTSpecial Weather StatementMLBBrevard36 min
Jun 7, 7:35 PM EDTSevere Thunderstorm WarningMLBBrevard40 min
Jun 7, 7:59 PM EDTSpecial Marine WarningMLB91 min

Nearby

Severe Thunderstorm Warnings in Florida, 2018Every severe thunderstorm warning in 2018

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.