Alert archive / Florida / Special Weather Statements in 2018

Special Weather Statement, NWS Melbourne, FL

June 11, 2018Orange County, Florida

NWS Melbourne, FL issued this special weather statement at Jun 11, 2018, 5:52 PM EDT for Orange County, Florida. It was in force for 68 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 11, 2018, 5:52 PM EDT (21:52 UTC)
Expired: Jun 11, 2018, 7:00 PM EDT
In force: 68 min
Issued by: NWS Melbourne, FL

County Orange County, FL

The radar

The Melbourne radar (KMLB), 109 km from the middle of the area, began a volume at 21:54 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.

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 9.9 hours before the alert went out and 200 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: 171 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 1078 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 9 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 8:32 PM EDT	Special Weather Statement	MLB	Volusia	58 min
Jun 10, 8:39 PM EDT	Special Marine Warning	MLB		88 min
Jun 10, 8:43 PM EDT	Special Weather Statement	MLB	Seminole	62 min
Jun 11, 2:22 PM EDT	Special Weather Statement	MLB	Martin, Saint Lucie	68 min
Jun 11, 4:44 PM EDT	Special Marine Warning	MLB		61 min
Jun 11, 4:46 PM EDT	Special Weather Statement	MLB	Volusia	29 min
Jun 11, 5:25 PM EDT	Special Weather Statement	MLB	Orange	95 min
Jun 11, 5:28 PM EDT	Special Weather Statement	MLB	Seminole	62 min
Jun 11, 5:33 PM EDT	Special Marine Warning	MLB		87 min
Jun 11, 6:18 PM EDT	Areal Flood Advisory	MLB	Brevard	117 min
Jun 11, 6:42 PM EDT	Areal Flood Advisory	MLB	Orange	63 min

Nearby

Special Weather Statements in Florida, 2018 Every special weather statement in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.