Alert archive / Florida / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 40, NWS Melbourne, FL

May 27, 2012Brevard County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at May 27, 2012, 4:11 PM EDT for Brevard County, Florida. It was in force for 64 min. 1 report 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
May 27, 2012, 4:11 PM EDT (20:11 UTC)
Expired
May 27, 2012, 5:15 PM EDT
In force
64 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon

County Brevard County, FL

The radar

The Melbourne radar (KMLB), 14 km from the middle of the area, began a volume at 20:13 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
May 27, 4:40 PM EDTTSTM WND GST 56Palm Bay, FLSKYWARN BREVARD COUNTY ESTIMATED WIND GUST TO 50 KNOTS AT PORT MALABER BLVD. AND BRIAR CREEK BLVD.

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, 8.2 hours before the alert went out and 55 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 2012-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
989 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

967 
WUUS52 KMLB 272011
SVRMLB
FLC009-272115-
/O.NEW.KMLB.SV.W.0040.120527T2011Z-120527T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
411 PM EDT SUN MAY 27 2012

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

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

* UNTIL 515 PM EDT.

* AT 408 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 8 MILES SOUTHWEST OF CAMP HOLLY
  FISH CAMP...AND MOVING EAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...
  PALM BAY...WEST MELBOURNE...MALABAR...MELBOURNE...MICCO...BAREFOOT
  BAY AND GRANT

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.

IF ON OR NEAR LAKES IN SOUTHERN BREVARD COUNTY GET OUT OF THE WATER 
AND MOVE INDOORS OR INSIDE A VEHICLE. REMEMBER...LIGHTNING CAN 
STRIKE OUT TO 15 MILES FROM THE PARENT THUNDERSTORM. IF YOU CAN HEAR 
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE TO 
SAFE SHELTER NOW. DON'T BE CAUGHT ON THE WATER IN A THUNDERSTORM!

&&

LAT...LON 2784 8050 2782 8051 2782 8087 2808 8087
      2812 8086 2816 8063 2815 8062 2810 8061
      2809 8059 2786 8049
TIME...MOT...LOC 2010Z 254DEG 30KT 2799 8080

$$

67
2 follow-up statements
623 
WWUS52 KMLB 272052
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
452 PM EDT SUN MAY 27 2012

FLC009-272115-
/O.CON.KMLB.SV.W.0040.000000T0000Z-120527T2115Z/
BREVARD-
452 PM EDT SUN MAY 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR SOUTHERN BREVARD COUNTY...

AT 446 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 8 MILES EAST OF MELBOURNE 
MOVING EAST AT 35 MPH.

RADAR IS DETECTING MORE STORMS MOVING ACROSS SOUTHEAST OSCEOLA 
COUNTY. THESE STORMS WILL MOVE ACROSS MOVE OVER SOUTHERN BREVARD 
COUNTY SHORTLY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...LIGHTNING CAN STRIKE OUT TO 15 MILES FROM THE PARENT 
THUNDERSTORM. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE 
STRUCK BY LIGHTNING. MOVE TO SAFE SHELTER NOW. DON'T BE CAUGHT ON 
THE WATER IN A THUNDERSTORM!

&&

LAT...LON 2784 8050 2782 8051 2782 8087 2808 8087
      2812 8086 2816 8063 2815 8062 2810 8061
      2809 8059 2786 8049
TIME...MOT...LOC 2048Z 254DEG 30KT 2808 8045

$$

67
330 
WWUS52 KMLB 272115
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
515 PM EDT SUN MAY 27 2012

FLC009-272125-
/O.CAN.KMLB.SV.W.0040.000000T0000Z-120527T2115Z/
BREVARD-
515 PM EDT SUN MAY 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN BREVARD COUNTY IS
CANCELLED...

ALTHOUGH THE STORM HAS DROPPED BELOW SEVERE LEVELS IT IS STILL 
CAPABLE OF PRODUCING WIND GUSTS TO 35 MPH AS IT MOVES QUICKLY ACROSS 
SOUTHERN BREVARD COUNTY...THE INTRACOASTAL WATERWAY AND INTO THE 
NEARSHORE ATLANTIC FROM MELBOURNE BEACH TO SEBASTIAN INLET.

LAT...LON 2784 8050 2782 8051 2782 8087 2808 8087
      2812 8086 2816 8063 2815 8062 2810 8061
      2809 8059 2786 8049
TIME...MOT...LOC 2110Z 254DEG 30KT 2813 8025

$$

67

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 4:41 AM EDTLake Wind AdvisoryMLBLake, Orange, Osceola, Seminole15 hr
May 27, 5:24 AM EDTRip Current StatementMLBVolusia15 hr
May 27, 1:49 PM EDTSpecial Weather StatementMLBSeminole41 min
May 27, 1:51 PM EDTSpecial Marine WarningMLB2 hr
May 27, 1:58 PM EDTSpecial Weather StatementMLBOkeechobee47 min
May 27, 2:41 PM EDTSpecial Weather StatementMLBIndian River49 min
May 27, 4:02 PM EDTSpecial Weather StatementMLBIndian River58 min
May 27, 4:15 PM EDTSpecial Marine WarningMLB2 hr
May 27, 6:38 PM EDTSpecial Marine WarningMLB112 min
May 27, 6:40 PM EDTSpecial Weather StatementMLBSaint Lucie65 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.