Alert archive / Florida / Special Weather Statements in 2018

Special Weather Statement, NWS Miami, FL

November 2, 2018Palm Beach County, Florida

NWS Miami, FL issued this special weather statement at Nov 2, 2018, 4:49 PM EDT for Palm Beach County, Florida. It was in force for 41 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: Nov 2, 2018, 4:49 PM EDT (20:49 UTC)
Expired: Nov 2, 2018, 5:30 PM EDT
In force: 41 min
Issued by: NWS Miami, FL

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 120 km from the middle of the area, began a volume at 20:50 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 8.8 hours before the alert went out and 198 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: 9 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 963 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 108 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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
Nov 2, 3:14 PM EDT	Special Weather Statement	MFL	Broward	46 min
Nov 2, 3:53 PM EDT	Special Marine Warning	MFL		52 min
Nov 2, 4:03 PM EDT	Special Marine Warning	MFL		57 min
Nov 2, 5:57 PM EDT	Special Marine Warning	MFL		48 min
Nov 2, 6:08 PM EDT	Special Marine Warning	MFL		37 min
Nov 2, 6:19 PM EDT	Special Weather Statement	MFL	Collier	56 min
Nov 2, 6:30 PM EDT	Special Weather Statement	MFL	Glades, Hendry	45 min
Nov 2, 6:36 PM EDT	Special Marine Warning	MFL		24 min
Nov 2, 6:48 PM EDT	Special Marine Warning	MFL		57 min
Nov 2, 7:08 PM EDT	Special Marine Warning	MFL		22 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.