Alert archive / Florida / Special Weather Statements in 2018

Special Weather Statement, NWS Miami, FL

June 18, 2018Collier County, Florida

NWS Miami, FL issued this special weather statement at Jun 18, 2018, 6:49 PM EDT for Collier County, Florida. It was in force for 26 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 18, 2018, 6:49 PM EDT (22:49 UTC)
Expired: Jun 18, 2018, 7:15 PM EDT
In force: 26 min
Issued by: NWS Miami, FL

County Collier County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 10.8 hours before the alert went out and 175 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: 442 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 1023 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 1 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 Miami, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 18, 1:55 PM EDT	Special Weather Statement	MFL	Miami-Dade	35 min
Jun 18, 6:07 PM EDT	Special Marine Warning	MFL		53 min
Jun 18, 6:43 PM EDT	Special Weather Statement	MFL	Collier	32 min
Jun 18, 6:46 PM EDT	Special Marine Warning	MFL		59 min
Jun 18, 6:52 PM EDT	Special Marine Warning	MFL		53 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.