Alert archive / Florida / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 21, NWS Melbourne, FL

March 29, 2014Brevard County, Indian River County, Osceola County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Mar 29, 2014, 2:50 PM EDT for Brevard County, Indian River County, Osceola County, Florida. It was in force for 55 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
Mar 29, 2014, 2:50 PM EDT (18:50 UTC)
Expired
Mar 29, 2014, 3:45 PM EDT
In force
55 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon

Counties Brevard County, FL, Indian River County, FL, Osceola County, FL

The radar

The Melbourne radar (KMLB), 21 km from the middle of the area, began a volume at 18:53 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
Mar 29, 3:13 PM EDTTSTM WND GST 45Melbourne Airport, FLASOS PEAK WIND GUST OF 39 KT.
Mar 29, 3:15 PM EDTTSTM WND DMG4 Wsw Indialantic, FLBROADCAST MEDIA RELAYED A PHOTO OF DAMAGE TO A METAL ROOF ON A MOBILE HOME IN THE LAKEWOOD VILLAGE SUBDIVISION IN MELBOURNE. TIME ESTIMATED VIA RADAR.
Mar 29, 3:15 PM EDTTSTM WND DMGPalm Bay, FLPOWER LINES DOWN ON PALM BAY ROAD WEST OF I-95. TIME ESTIMATED BY RADAR.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 29, 9:43 AM EDTTornado WatchSPC7 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 6.8 hours before the alert went out and 63 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 2014-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 426 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 2014-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 248 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
426 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
739 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
248 m²/s²
0-3 km storm-relative helicity
428 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

496 
WUUS52 KMLB 291850
SVRMLB
FLC009-061-097-291945-
/O.NEW.KMLB.SV.W.0021.140329T1850Z-140329T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
250 PM EDT SAT MAR 29 2014

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN BREVARD COUNTY IN FLORIDA
  NORTHWESTERN INDIAN RIVER COUNTY IN FLORIDA
  EASTERN OSCEOLA COUNTY IN FLORIDA

* UNTIL 345 PM EDT.

* AT 245 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED 
  SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN 
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED NEAR HOLOPAW...AND
  MOVING EAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...
  YEEHAW JUNCTION...BLUE CYPRESS LAKE...CAMP HOLLY FISH CAMP...
  SUNTREE...MELBOURNE...AND PALM BAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A SMALL INTERIOR ROOM.

STORMS TODAY HAVE A HISTORY OF PRODUCING DAMAGING WINDS...LARGE 
HAIL...AND TORNADOES. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND 
STAY AWAY FROM WINDOWS!

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM EDT SATURDAY AFTERNOON
FOR EASTERN FLORIDA.

&&

LAT...LON 2787 8048 2784 8047 2765 8077 2765 8113
      2771 8115 2783 8122 2784 8127 2790 8131
      2826 8108 2824 8064 2822 8063 2824 8062
      2824 8059 2807 8056 2797 8050 2797 8049
      2786 8046
TIME...MOT...LOC 1847Z 268DEG 35KT 2817 8094

$$

DWS
1 follow-up statement
762 
WWUS52 KMLB 291911
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
311 PM EDT SAT MAR 29 2014

FLC009-061-097-291945-
/O.CON.KMLB.SV.W.0021.000000T0000Z-140329T1945Z/
OSCEOLA-INDIAN RIVER-BREVARD-
311 PM EDT SAT MAR 29 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHERN BREVARD...NORTHWESTERN INDIAN RIVER AND SOUTHEASTERN
OSCEOLA COUNTIES...

AT 306 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO 
DETECT SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN 
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED NEAR SUNTREE...AND JUST 
SOUTHWEST OF MELBOURNE...AND 6 MILES NORTH OF CAMP HOLLY FISH 
CAMP...MOVING EAST AT 35 TO 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
MELBOURNE VILLAGE...PALM BAY...MELBOURNE...FELLSMERE...MALABAR...AND 
SATELLITE BEACH. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A SMALL INTERIOR ROOM.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM EDT SATURDAY AFTERNOON
FOR EASTERN FLORIDA.

&&

LAT...LON 2787 8048 2784 8047 2765 8077 2765 8113
      2771 8115 2824 8073 2824 8064 2822 8063
      2824 8062 2824 8059 2807 8056 2797 8050
      2797 8049 2786 8046
TIME...MOT...LOC 1909Z 268DEG 35KT 2818 8070

$$

DWS

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 29, 4:16 AM EDTSmall Craft AdvisoryMLB36 hr
Mar 29, 6:51 AM EDTSpecial Marine WarningMLB84 min
Mar 29, 12:20 PM EDTSpecial Weather StatementMLBLake55 min
Mar 29, 12:49 PM EDTSevere Thunderstorm WarningMLBLake, Orange56 min
Mar 29, 1:03 PM EDTSevere Thunderstorm WarningMLBLake, Orange, Seminole, Volusia57 min
Mar 29, 1:07 PM EDTSevere Thunderstorm WarningMLBLake, Orange, Osceola53 min
Mar 29, 1:23 PM EDTSevere Thunderstorm WarningMLBLake, Volusia52 min
Mar 29, 1:30 PM EDTTornado WarningMLBLake, Orange, Seminole60 min
Mar 29, 1:37 PM EDTSpecial Marine WarningMLB113 min
Mar 29, 1:41 PM EDTAreal Flood AdvisoryMLBLake, Volusia79 min
Mar 29, 1:51 PM EDTSpecial Weather StatementMLBVolusia39 min
Mar 29, 2:00 PM EDTSevere Thunderstorm WarningMLBVolusia45 min
Mar 29, 2:03 PM EDTSpecial Weather StatementMLBOsceola42 min
Mar 29, 2:09 PM EDTSevere Thunderstorm WarningMLBOrange, Osceola51 min
Mar 29, 2:12 PM EDTTornado WarningMLBBrevard, Orange, Osceola63 min
Mar 29, 2:29 PM EDTSpecial Weather StatementMLBSeminole61 min
Mar 29, 2:32 PM EDTSpecial Marine WarningMLB118 min
Mar 29, 2:44 PM EDTSpecial Marine WarningMLB2 hr
Mar 29, 3:12 PM EDTSevere Thunderstorm WarningMLBBrevard33 min
Mar 29, 3:32 PM EDTSpecial Weather StatementMLBIndian River, Okeechobee43 min
Mar 29, 3:38 PM EDTSpecial Marine WarningMLB112 min
Mar 29, 3:48 PM EDTSpecial Weather StatementMLBOsceola57 min
Mar 29, 3:49 PM EDTSevere Thunderstorm WarningMLBBrevard, Indian River, Okeechobee, Osceola, Saint Lucie41 min
Mar 29, 4:33 PM EDTSpecial Weather StatementMLBIndian River, Okeechobee, Saint Lucie42 min
Mar 29, 5:47 PM EDTSpecial Weather StatementMLBIndian River, Martin, Okeechobee, Saint Lucie43 min
Mar 29, 5:57 PM EDTSpecial Marine WarningMLB93 min

Nearby

Severe Thunderstorm Warnings in Florida, 2014Every severe thunderstorm warning in 2014

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.