Alert archive / Florida / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 45, NWS Melbourne, FL

June 8, 2012Brevard County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jun 8, 2012, 5:06 PM EDT for Brevard County, Florida. It was in force for 54 min. 3 reports 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
Jun 8, 2012, 5:06 PM EDT (21:06 UTC)
Expired
Jun 8, 2012, 6:00 PM EDT
In force
54 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon

County Brevard County, FL

The radar

The Melbourne radar (KMLB), 7 km from the middle of the area, began a volume at 21:08 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
Jun 8, 5:19 PM EDTHAIL 0.884 Ssw Suntree, FLNICKEL-SIZED HAIL AND 30 MPH WIND GUST SOUTH OF POST ROAD AND EAST OF WICKHAM IN MELBOURNE.
Jun 8, 5:25 PM EDTHAIL 0.755 Sw Patrick Airforce B, FLPENNY-SIZED HAIL REPORTED NORTH OF POST RD AND WEST OF US-1 IN MELBOURNE.
Jun 8, 5:48 PM EDTTSTM WND GST 45Patrick Airforce Base, FLKCOF ASOS MEASURED A 39 KT/45 MPH WIND GUST.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 9.1 hours before the alert went out and 36 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 2012-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 60 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 2012-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
60 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
837 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

539 
WUUS52 KMLB 082106
SVRMLB
FLC009-082200-
/O.NEW.KMLB.SV.W.0045.120608T2106Z-120608T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
506 PM EDT FRI JUN 8 2012

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL BREVARD COUNTY IN FLORIDA

* UNTIL 600 PM EDT.

* AT 503 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES SOUTHWEST OF SUNTREE...
  OR NEAR CAMP HOLLY FISH CAMP...AND MOVING EAST AT 10 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...
  VIERA...SATELLITE BEACH...PATRICK AIRFORCE BASE...INDIAN HARBOUR   
BEACH AND INDIALANTIC.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MILES AN
HOUR AND OR LARGE DESTRUCTIVE HAIL. FREQUENT TO EXCESSIVE LIGHTNING
AND VERY HEAVY RAIN WILL ALSO BE POSSIBLE. IF THE STORM APPROACHES
YOU...SEEK SHELTER IN AN ENCLOSED BUILDING ON THE LOWEST FLOOR. KEEP
AWAY FROM WINDOWS.

&&

LAT...LON 2808 8058 2813 8061 2812 8061 2808 8060
      2809 8080 2822 8085 2828 8067 2823 8064
      2823 8063 2826 8061 2830 8063 2831 8060
      2809 8056 2808 8056
TIME...MOT...LOC 2106Z 257DEG 6KT 2816 8076

$$


KELLY
3 follow-up statements
397 
WWUS52 KMLB 082127
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
527 PM EDT FRI JUN 8 2012

FLC009-082200-
/O.CON.KMLB.SV.W.0045.000000T0000Z-120608T2200Z/
BREVARD-
527 PM EDT FRI JUN 8 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR CENTRAL BREVARD COUNTY...

AT 522 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...
AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
PALM SHORES...OR 6 MILES WEST OF SATELLITE BEACH...MOVING EAST AT 10
MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
SUNTREE...EAU GALLIE...MELBOURNE...INDIAN HARBOUR BEACH...PATRICK 
AIR FORCE BASE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 2808 8058 2813 8061 2812 8061 2808 8060
      2810 8073 2822 8078 2828 8067 2823 8064
      2823 8063 2826 8061 2830 8063 2831 8060
      2809 8056 2808 8056
TIME...MOT...LOC 2127Z 257DEG 10KT 2817 8069

$$


KELLY
312 
WWUS52 KMLB 082142
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
542 PM EDT FRI JUN 8 2012

FLC009-082200-
/O.CON.KMLB.SV.W.0045.000000T0000Z-120608T2200Z/
BREVARD-
542 PM EDT FRI JUN 8 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR EAST CENTRAL BREVARD COUNTY...

AT 540 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO 
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING UP TO PENNY SIZE 
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS 
LOCATED OVER PATRICK AIRFORCE BASE...MOVING NORTHEAST AT 15 
MPH...AND WILL SOON BE OFFSHORE IN THE ATLANTIC.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 2815 8058 2814 8064 2826 8070 2828 8067
      2823 8064 2823 8063 2826 8061 2830 8063
      2831 8060
TIME...MOT...LOC 2142Z 225DEG 12KT 2824 8062

$$


KELLY
576 
WWUS52 KMLB 082156
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
556 PM EDT FRI JUN 8 2012

FLC009-082205-
/O.EXP.KMLB.SV.W.0045.000000T0000Z-120608T2200Z/
BREVARD-
556 PM EDT FRI JUN 8 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BREVARD COUNTY WILL 
EXPIRE AT 600 PM EDT...

THE SEVERE STORM THAT PROMPTED THE WARNING HAD WEAKENED AND PUSHED 
OFFSHORE...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 2815 8058 2814 8064 2826 8070 2828 8067
      2823 8064 2823 8063 2826 8061 2830 8063
      2831 8060
TIME...MOT...LOC 2155Z 225DEG 12KT 2827 8059

$$


KELLY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 2:04 PM EDTSpecial Weather StatementMLBOkeechobee41 min
Jun 8, 3:29 PM EDTSpecial Weather StatementMLBBrevard, Indian River, Osceola61 min
Jun 8, 3:35 PM EDTSpecial Marine WarningMLB115 min
Jun 8, 4:31 PM EDTAreal Flood AdvisoryMLBBrevard, Osceola119 min
Jun 8, 4:56 PM EDTSpecial Weather StatementMLBBrevard49 min
Jun 8, 5:30 PM EDTSpecial Marine WarningMLB60 min
Jun 8, 7:46 PM EDTSpecial Weather StatementMLBVolusia44 min

Nearby

Severe Thunderstorm Warnings in Florida, 2012Every severe thunderstorm warning in 2012

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.