Alert archive / Kentucky / Special Weather Statements in 2017

Special Weather Statement, NWS Louisville, KY

February 7, 20177 counties in Kentucky

NWS Louisville, KY issued this special weather statement at Feb 7, 2017, 9:05 AM CST for 7 counties in Kentucky. It was in force for 25 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: Feb 7, 2017, 9:05 AM CST (15:05 UTC)
Expired: Feb 7, 2017, 9:30 AM CST
In force: 25 min
Issued by: NWS Louisville, KY

Counties Barren County, KY, Edmonson County, KY, Green County, KY, Hart County, KY, Logan County, KY, Simpson County, KY, Warren County, KY

The radar

The Nashville radar (KOHX), 75 km from the middle of the area, began a volume at 15:06 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

Nashville Metro, TN (KBNA), launched 12:00Z, 3.1 hours before the alert went out and 89 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 806 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 367 m²/s²
0-3 km storm-relative helicity: 336 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 Louisville, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 7, 3:28 AM CST	Special Weather Statement	LMK	Butler, Edmonson, Grayson, Hart, Logan, Ohio and 2 more	62 min
Feb 7, 7:28 AM CST	Special Weather Statement	LMK	Butler, Edmonson	47 min
Feb 7, 8:04 AM CST	Special Weather Statement	LMK	Logan	26 min
Feb 7, 8:34 AM CST	Special Weather Statement	LMK	Edmonson, Logan, Warren	26 min
Feb 7, 10:08 AM CST	Special Weather Statement	LMK	Allen, Barren, Metcalfe, Simpson	37 min
Feb 7, 10:32 AM CST	Special Weather Statement	LMK	Clinton, Cumberland, Monroe	43 min
Feb 7, 7:07 AM CST	Special Weather Statement	LMK	Crawford, Harrison, Orange, Perry, Washington	38 min

Nearby

Special Weather Statements in Kentucky, 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.