Alert archive / Florida / Special Weather Statements in 2011

Special Weather Statement, NWS Melbourne, FL

June 15, 2011Orange County, Florida

NWS Melbourne, FL issued this special weather statement at Jun 15, 2011, 3:08 PM EDT for Orange County, Florida. It was in force for 37 min. 4 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, 3:08 PM EDT (19:08 UTC)
Expired: Jun 15, 2011, 3:45 PM EDT
In force: 37 min
Issued by: NWS Melbourne, FL

County Orange County, FL

The radar

The Melbourne radar (KMLB), 59 km from the middle of the area, began a volume at 19:08 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

Time	Report	Where	Remark
Jun 15, 3:10 PM EDT	TSTM WND GST 67	5 Wsw Titusville Airpor, FL	KSC 54 FOOT TOWER NUMBER 1605 MEASURED 58 KT/67 MPH WIND GUST.
Jun 15, 3:26 PM EDT	TSTM WND GST 45	Orlando International A, FL	KMCO ASOS MEASURED 39 KT/45 MPH WIND GUST.
Jun 15, 3:31 PM EDT	HAIL 1	Sw Lone Cabbage Fish Ca, FL	QUARTER-SIZED HAIL IN THE POINSETT SHORES SUBDIVISION.
Jun 15, 3:50 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 nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 7.1 hours before the alert went out and 60 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.

510 
WWUS82 KMLB 151908
SPSMLB

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
308 PM EDT WED JUN 15 2011

FLZ045-053-147-151945-
NORTHERN BREVARD COUNTY-ORANGE-OSCEOLA-
308 PM EDT WED JUN 15 2011

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH AND SMALL HAIL OVER NORTHWESTERN BREVARD
COUNTY...EASTERN ORANGE COUNTY...NORTHERN OSCEOLA COUNTY...

* UNTIL 345 PM EDT.

AT 304 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
CLUSTER OF STORMS CAPABLE OF PRODUCING STRONG WINDS AND SMALL HAIL 7 
MILES NORTH OF LAKE MARY JANE...MOVING SOUTH SOUTHEAST AT 10 MPH. A 
CONTINUED THREAT FOR ADDITIONAL STORM DEVELOPMENT WILL EXIST AHEAD 
OF THE EAST COAST SEA BREEZE.

THE PRIMARY THREAT WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND
GUSTY WINDS OF 45 TO 55 MPH...WHICH CAN CAUSE UNSECURED OBJECTS TO
BLOW AROUND...SNAP TREE LIMBS OR CAUSE POWER OUTAGES. HEAVY RAINFALL
WILL TEMPORARILY REDUCE VISIBILITY. SEEK SHELTER INDOORS UNTIL THE
STORM PASSES.

LAT...LON 2863 8147 2863 8132 2861 8132 2862 8090
      2841 8084 2834 8086 2834 8087 2831 8086
      2822 8088 2822 8146
TIME...MOT...LOC 1907Z 353DEG 5KT 2847 8117

$$

GUSEMAN

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, 3:15 PM EDT	Severe Thunderstorm Warning	MLB	Orange, Osceola	34 min
Jun 15, 3:29 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Orange, Osceola	61 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

Special Weather Statements in Florida, 2011 Every special weather statement 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.