Alert archive / Tennessee / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 181, NWS Memphis, TN

June 14, 2018Lake County, Obion County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Jun 14, 2018, 11:12 PM CDT for Lake County, Obion County, Tennessee. It was in force for 48 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: Jun 14, 2018, 11:12 PM CDT (04:12 UTC)
Expired: Jun 15, 2018, 12:00 AM CDT
In force: 48 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Lake County, TN, Obion County, TN

The radar

The Paducah radar (KPAH), 94 km from the middle of the area, began a volume at 04:13 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

Springfield, MO (KSGF), launched 00:00Z, 4.2 hours before the alert went out and 404 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: 2449 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1704 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 35 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 Memphis, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 14, 8:06 PM CDT, 3 hours 6 minutes earlier.

Area forecast discussion, Jun 14, 8:06 PM CDT, 3 hours 6 minutes before

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Hazardous weather outlook, Jun 14, 2:36 PM CDT, 8 hours 36 minutes before

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The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 14, 11:56 PM CDT	Special Weather Statement	MEG	Gibson, Obion	49 min
Jun 15, 5:40 PM CDT	Special Weather Statement	MEG	Tunica	50 min
Jun 15, 12:25 PM CDT	Heat Advisory	MEG	Clay, Craighead, Crittenden, Cross, Greene, Lawrence and 4 more	7 hr

Nearby

Severe Thunderstorm Warnings in Tennessee, 2018 Every severe thunderstorm warning in 2018

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.