Alert archive / Kentucky / Special Weather Statements in 2020

Special Weather Statement, NWS Louisville, KY

August 29, 2020Russell County, Kentucky

NWS Louisville, KY issued this special weather statement at Aug 29, 2020, 3:12 PM CDT for Russell County, Kentucky. It was in force for 33 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: Aug 29, 2020, 3:12 PM CDT (20:12 UTC)
Expired: Aug 29, 2020, 3:45 PM CDT
In force: 33 min
Issued by: NWS Louisville, KY

County Russell County, KY

The radar

The Louisville radar (KLVX), 138 km from the middle of the area, began a volume at 20:14 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, 8.2 hours before the alert went out and 170 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: 112 J/kg
Mixed-layer CIN: -346 J/kg
Mixed-layer LCL: 625 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 181 m²/s²
0-3 km storm-relative helicity: 210 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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
Aug 29, 2:19 PM CDT	Special Weather Statement	LMK	Barren	41 min
Aug 29, 2:48 PM CDT	Special Weather Statement	LMK	Metcalfe	42 min
Aug 29, 3:14 PM CDT	Special Weather Statement	LMK	Cumberland	31 min
Aug 29, 3:15 PM CDT	Special Weather Statement	LMK	Allen	30 min
Aug 29, 3:46 PM CDT	Special Weather Statement	LMK	Allen, Logan, Monroe, Simpson	44 min
Aug 29, 3:50 PM CDT	Special Weather Statement	LMK	Clinton	25 min
Aug 29, 4:05 PM CDT	Areal Flood Advisory	LMK	Allen	102 min
Aug 29, 4:08 PM CDT	Areal Flood Advisory	LMK	Simpson	100 min
Aug 29, 4:09 PM CDT	Areal Flood Advisory	LMK	Clinton, Cumberland, Metcalfe, Monroe, Russell	99 min

Nearby

Special Weather Statements in Kentucky, 2020 Every special weather statement in 2020

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.