Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Melbourne, FL

June 5, 20124 counties in Florida

NWS Melbourne, FL issued this special weather statement at Jun 5, 2012, 2:21 PM EDT for 4 counties in Florida. It was in force for 54 min. 2 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 5, 2012, 2:21 PM EDT (18:21 UTC)
Expired: Jun 5, 2012, 3:15 PM EDT
In force: 54 min
Issued by: NWS Melbourne, FL

Counties Lake County, FL, Orange County, FL, Seminole County, FL, Volusia County, FL

The radar

The Melbourne radar (KMLB), 115 km from the middle of the area, began a volume at 18:21 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 5, 2:41 PM EDT	TSTM WND GST 58	4 Sw Playalinda Beach, FL	USAF TOWER 511 AT 35 FEET, GUST TO 50 KTS.
Jun 5, 2:55 PM EDT	TSTM WND GST 53	6 Ne Titusville, FL	USAF 54 FT WIND TOWER NUMBER 714 MEASURED 46 KT/53 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, 6.4 hours before the alert went out and 95 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: 449 J/kg
Mixed-layer CIN: -144 J/kg
Mixed-layer LCL: 1082 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 15 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.

397 
WWUS82 KMLB 051821
SPSMLB

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
221 PM EDT TUE JUN 5 2012

FLZ041-044>046-141-144-147-051915-
COASTAL VOLUSIA COUNTY-INLAND VOLUSIA COUNTY-NORTHERN BREVARD
COUNTY-NORTHERN LAKE COUNTY-ORANGE-SEMINOLE-SOUTHERN LAKE COUNTY-
221 PM EDT TUE JUN 5 2012

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

* UNTIL 315 PM EDT.

AT 217 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
CLUSTER OF STORMS CAPABLE OF PRODUCING STRONG WINDS AND SMALL HAIL 
OVER FERNDALE...MOVING EAST-NORTHEAST AT 25 MPH.

LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS 
INCLUDE MUCH OF EAST CENTRAL FLORIDA OVER AREAS NEAR AND NORTHWARD 
OF STATE ROAD 50.

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.

STATE LAW REQUIRES HEADLIGHTS TO BE TURNED ON WHEN WINDSHIELD WIPERS
ARE IN USE.

LAT...LON 2896 8196 2897 8166 2928 8165 2932 8168
      2939 8142 2927 8141 2927 8116 2941 8116
      2943 8110 2908 8093 2875 8072 2885 8081
      2879 8078 2844 8055 2840 8059 2838 8196
TIME...MOT...LOC 1818Z 238DEG 16KT 2864 8177

$$


52

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 5, 1:36 PM EDT	Special Weather Statement	MLB	Orange	54 min
Jun 5, 2:11 PM EDT	Special Marine Warning	MLB		2 hr
Jun 5, 2:41 PM EDT	Severe Thunderstorm Warning	MLB	Brevard, Seminole, Volusia	64 min
Jun 5, 3:15 PM EDT	Special Weather Statement	MLB	Lake, Seminole, Volusia	60 min
Jun 5, 4:26 PM EDT	Special Weather Statement	MLB	Martin	64 min
Jun 5, 4:44 PM EDT	Special Marine Warning	MLB		73 min
Jun 5, 7:22 PM EDT	Special Weather Statement	MLB	Lake, Orange, Seminole	38 min

Nearby

Special Weather Statements in Florida, 2012 Every special weather statement 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.