Alert archive / Florida / Special Weather Statements in 2017

Special Weather Statement, NWS Tampa Bay, FL

June 26, 2017Polk County, Florida

NWS Tampa Bay, FL issued this special weather statement at Jun 26, 2017, 4:03 PM EDT for Polk County, Florida. It was in force for 42 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 26, 2017, 4:03 PM EDT (20:03 UTC)
Expired: Jun 26, 2017, 4:45 PM EDT
In force: 42 min
Issued by: NWS Tampa Bay, FL

County Polk County, FL

The radar

The Tampa radar (KTBW), 78 km from the middle of the area, began a volume at 20:05 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, 8.1 hours before the alert went out and 143 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: 244 J/kg
Mixed-layer CIN: -80 J/kg
Mixed-layer LCL: 1102 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 15 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 Tampa Bay, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 25, 9:35 PM EDT	Special Weather Statement	TBW	Hardee	25 min
Jun 26, 3:11 PM EDT	Special Weather Statement	TBW	Hardee	49 min
Jun 26, 4:02 PM EDT	Areal Flood Advisory	TBW	Hardee, Hillsborough, Manatee, Polk	88 min
Jun 26, 5:28 PM EDT	Special Weather Statement	TBW	Sumter	47 min
Jun 26, 7:14 PM EDT	Areal Flood Advisory	TBW	Levy	91 min
Jun 26, 7:24 PM EDT	Special Weather Statement	TBW	Alachua	36 min

Nearby

Special Weather Statements in Florida, 2017 Every special weather statement in 2017

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.