Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Louisville, KY

July 25, 2021Butler County, Kentucky

NWS Louisville, KY issued this special weather statement at Jul 25, 2021, 2:02 PM CDT for Butler County, Kentucky. It was in force for 13 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 25, 2021, 2:02 PM CDT (19:02 UTC)
Expired: Jul 25, 2021, 2:15 PM CDT
In force: 13 min
Issued by: NWS Louisville, KY

County Butler County, KY

The radar

The Ft Campbell radar (KHPX), 67 km from the middle of the area, began a volume at 19:02 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, 7.0 hours before the alert went out and 122 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: 961 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 1017 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 16 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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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Louisville, KY wrote its last area forecast discussion before this special weather statement went out at Jul 25, 12:29 PM CDT, 1 hour 33 minutes earlier.

Area forecast discussion, Jul 25, 12:29 PM CDT, 1 hour 33 minutes before

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Hazardous weather outlook, Jul 25, 2:31 AM CDT, 11 hours 31 minutes before

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In the hours before

Special weather statement, Jul 25, 12:52 PM CDT, 1 hour 10 minutes before

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Special weather statement, Jul 25, 1:33 PM CDT, 29 minutes before

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Special weather statement, Jul 25, 1:35 PM CDT, 27 minutes before

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Special weather statement, Jul 25, 2:02 PM CDT, 0 minutes before

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The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 25, 1:33 PM CDT	Special Weather Statement	LMK	Metcalfe	27 min
Jul 25, 1:35 PM CDT	Special Weather Statement	LMK	Edmonson	25 min
Jul 25, 2:17 PM CDT	Special Weather Statement	LMK	Green	28 min
Jul 25, 2:25 PM CDT	Special Weather Statement	LMK	Butler, Logan	35 min

Nearby

Special Weather Statements in Kentucky, 2021 Every special weather statement in 2021

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.