Alert archive / Florida / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 60, NWS Melbourne, FL

June 15, 2011Brevard County, Orange County, Osceola County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jun 15, 2011, 3:29 PM EDT for Brevard County, Orange County, Osceola County, Florida. It was in force for 61 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 15, 2011, 3:29 PM EDT (19:29 UTC)
Expired: Jun 15, 2011, 4:30 PM EDT
In force: 61 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon

Counties Brevard County, FL, Orange County, FL, Osceola County, FL

The radar

The Melbourne radar (KMLB), 22 km from the middle of the area, began a volume at 19:31 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

Time	Report	Where	Remark
Jun 15, 3:31 PM EDT	HAIL 1	Sw Lone Cabbage Fish Ca, FL	QUARTER-SIZED HAIL IN THE POINSETT SHORES SUBDIVISION.
Jun 15, 3:37 PM EDT	HAIL 0.7	4 Wsw Cocoa, FL	DIME-SIZED HAIL REPORTED ON HWY 520.
Jun 15, 3:50 PM EDT	TSTM WND GST 40	2 Sse Christmas, FL	KSC 54 FOOT WIND TOWER NUMBER 2008 MEASURED 35 KT/40 MPH WIND GUST.

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.

Issued	Product	Office	Lasted
Jun 15, 1:52 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 7.5 hours before the alert went out and 46 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1201 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 1168 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 14 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.

895 
WUUS52 KMLB 151929
SVRMLB
FLC009-095-097-152030-
/O.NEW.KMLB.SV.W.0060.110615T1929Z-110615T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
329 PM EDT WED JUN 15 2011

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL BREVARD COUNTY IN FLORIDA
  SOUTHEASTERN ORANGE COUNTY IN FLORIDA
  NORTHEASTERN OSCEOLA COUNTY IN FLORIDA

* UNTIL 430 PM EDT.

* AT 327 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR LONE CABBAGE FISH CAMP...  
  AND MOVING SOUTH AT 15 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...
  CAMP HOLLY FISH CAMP...WEST MELBOURNE AND PALM BAY

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 2796 8063 2792 8098 2842 8111 2859 8105
      2836 8076
TIME...MOT...LOC 1929Z 351DEG 17KT 2831 8084

$$

JG/MRV

2 follow-up statements

314 
WWUS52 KMLB 151953
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
353 PM EDT WED JUN 15 2011

FLC009-095-097-152030-
/O.CON.KMLB.SV.W.0060.000000T0000Z-110615T2030Z/
OSCEOLA-ORANGE-BREVARD-
353 PM EDT WED JUN 15 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR CENTRAL BREVARD...SOUTHEASTERN ORANGE AND NORTHEASTERN OSCEOLA
COUNTIES...

AT 350 PM EDT...THE PUBLIC REPORTED A SEVERE THUNDERSTORM CAPABLE OF
PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED 6 MILES WEST OF SPACE COAST STADIUM...OR 7 
MILES SOUTH OF LONE CABBAGE FISH CAMP...MOVING SOUTH AT 10 TO 15 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WEST
MELBOURNE...PALM BAY...DEER PARK AND CAMP HOLLY FISH CAMP

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
WEDNESDAY EVENING FOR EAST CENTRAL FLORIDA.

&&

LAT...LON 2849 8099 2836 8076 2796 8063 2792 8098
      2842 8111
TIME...MOT...LOC 1952Z 000DEG 8KT 2826 8084

$$

GUSEMAN

816 
WWUS52 KMLB 152029
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
429 PM EDT WED JUN 15 2011

FLC009-095-097-152037-
/O.EXP.KMLB.SV.W.0060.000000T0000Z-110615T2030Z/
OSCEOLA-ORANGE-BREVARD-
429 PM EDT WED JUN 15 2011

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BREVARD...SOUTHEASTERN
ORANGE AND NORTHEASTERN OSCEOLA COUNTIES WILL EXPIRE AT 430 PM EDT...

THE SEVERE STORM THAT PROMPTED THE WARNING HAD WEAKENED BELOW SEVERE 
LIMITS BUT WILL STILL BE CAPABLE OF PRODUCING LOCALLY HEAVY 
RAINFALL...GUSTY WINDS TO 45 MPH...FREQUENT LIGHTNING AND SMALL HAIL.
THIS STORM WAS 12 MILES EAST OF NARCOOSSEE AND MOVING SOUTHWEST AT 
10 MPH.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
WEDNESDAY EVENING FOR EAST CENTRAL FLORIDA.

LAT...LON 2849 8099 2836 8076 2796 8063 2792 8098
      2842 8111
TIME...MOT...LOC 2027Z 000DEG 8KT 2818 8084

$$


15

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 14, 9:26 PM EDT	Special Weather Statement	MLB	Orange	49 min
Jun 15, 2:14 PM EDT	Special Weather Statement	MLB	Lake	46 min
Jun 15, 2:18 PM EDT	Special Weather Statement	MLB	Seminole	42 min
Jun 15, 2:44 PM EDT	Severe Thunderstorm Warning	MLB	Lake, Orange	46 min
Jun 15, 2:52 PM EDT	Special Weather Statement	MLB	Brevard	38 min
Jun 15, 3:08 PM EDT	Special Weather Statement	MLB	Orange	37 min
Jun 15, 3:15 PM EDT	Severe Thunderstorm Warning	MLB	Orange, Osceola	34 min
Jun 15, 3:46 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Indian River	59 min
Jun 15, 4:34 PM EDT	Severe Thunderstorm Warning	MLB	Indian River, Okeechobee, Saint Lucie	56 min
Jun 15, 4:46 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Indian River, Okeechobee, Osceola	46 min
Jun 15, 5:20 PM EDT	Severe Thunderstorm Warning	MLB	Martin, Okeechobee, Saint Lucie	55 min
Jun 15, 5:34 PM EDT	Severe Thunderstorm Warning	MLB	Okeechobee	38 min
Jun 15, 6:18 PM EDT	Special Weather Statement	MLB	Martin	42 min
Jun 15, 7:13 PM EDT	Special Weather Statement	MLB	Lake	62 min

Nearby

Severe Thunderstorm Warnings in Florida, 2011 Every severe thunderstorm warning in 2011

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.