Alert archive / Florida / Special Weather Statements in 2016

Special Weather Statement, NWS Tampa Bay, FL

May 20, 2016Pasco County, Sumter County, Florida

NWS Tampa Bay, FL issued this special weather statement at May 20, 2016, 12:26 PM EDT for Pasco County, Sumter County, Florida. It was in force for 64 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: May 20, 2016, 12:26 PM EDT (16:26 UTC)
Expired: May 20, 2016, 1:30 PM EDT
In force: 64 min
Issued by: NWS Tampa Bay, FL

Counties Pasco County, FL, Sumter County, FL

The radar

The Tampa radar (KTBW), 80 km from the middle of the area, began a volume at 16:31 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, 4.4 hours before the alert went out and 173 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: 499 J/kg
Mixed-layer CIN: -112 J/kg
Mixed-layer LCL: 964 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 83 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 Tampa Bay, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 20, 10:23 AM EDT	Special Weather Statement	TBW	Levy	37 min
May 20, 11:01 AM EDT	Special Weather Statement	TBW	Citrus, Hernando, Levy	44 min
May 20, 11:14 AM EDT	Special Marine Warning	TBW		46 min
May 20, 11:40 AM EDT	Special Weather Statement	TBW	Hernando, Hillsborough, Pasco, Pinellas	50 min
May 20, 11:46 AM EDT	Special Marine Warning	TBW		89 min
May 20, 2:20 PM EDT	Special Weather Statement	TBW	DeSoto	40 min
May 20, 2:58 PM EDT	Special Weather Statement	TBW	Highlands	47 min

Nearby

Special Weather Statements in Florida, 2016 Every special weather statement in 2016

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.