Alert archive / Florida / Special Weather Statements in 2011

Special Weather Statement, NWS Miami, FL

July 22, 2011Collier County, Florida

NWS Miami, FL issued this special weather statement at Jul 22, 2011, 2:01 PM EDT for Collier County, Florida. It was in force for 29 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: Jul 22, 2011, 2:01 PM EDT (18:01 UTC)
Expired: Jul 22, 2011, 2:30 PM EDT
In force: 29 min
Issued by: NWS Miami, FL

County Collier County, FL

The radar

The Miami radar (KAMX), 135 km from the middle of the area, began a volume at 18:00 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

Tampa Bay, FL (KTBW), launched 12:00Z, 6.0 hours before the alert went out and 187 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: 1919 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 854 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -38 m²/s²
0-3 km storm-relative helicity: -25 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.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 2:14 PM EDT	Areal Flood Advisory	MFL	Collier	61 min
Jul 22, 3:26 PM EDT	Special Marine Warning	MFL		64 min
Jul 22, 4:21 PM EDT	Special Marine Warning	MFL		25 min
Jul 22, 7:56 PM EDT	Special Weather Statement	MFL	Miami-Dade	34 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.