Alert archive / Kentucky / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 187, NWS Paducah, KY

July 25, 2017Crittenden County, Kentucky

NWS Paducah, KY issued this severe thunderstorm warning at Jul 25, 2017, 4:34 PM CDT for Crittenden County, Kentucky. It was in force for 21 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 25, 2017, 4:34 PM CDT (21:34 UTC)
Expired: Jul 25, 2017, 4:55 PM CDT
In force: 21 min
Issued by: NWS Paducah, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Crittenden County, KY

The radar

The Paducah radar (KPAH), 68 km from the middle of the area, began a volume at 21:35 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

Little Rock, AR (KBYH), launched 12:00Z, 9.6 hours before the alert went out and 326 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: 1789 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 1149 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: -4 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Paducah, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 25, 3:03 PM CDT, 1 hour 31 minutes earlier.

Area forecast discussion, Jul 25, 3:03 PM CDT, 1 hour 31 minutes before

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Hazardous weather outlook, Jul 25, 3:50 PM CDT, 44 minutes before

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In the hours before

Special weather statement, Jul 25, 4:12 PM CDT, 22 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 7:34 PM CDT	Special Weather Statement	PAH	Muhlenberg	26 min
Jul 24, 7:55 PM CDT	Special Weather Statement	PAH	Christian	50 min
Jul 24, 8:56 PM CDT	Special Weather Statement	PAH	Muhlenberg	34 min
Jul 25, 3:23 PM CDT	Heat Advisory	PAH	Ballard, Caldwell, Calloway, Carlisle, Crittenden, Fulton and 7 more	29 hr
Jul 25, 4:12 PM CDT	Special Weather Statement	PAH	Crittenden, Livingston	48 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2017 Every severe thunderstorm warning 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.