Alert archive / Tennessee / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 130, NWS Memphis, TN

October 6, 2019Crockett County, Haywood County, Madison County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Oct 6, 2019, 5:02 PM CDT for Crockett County, Haywood County, Madison County, Tennessee. It was in force for 43 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: Oct 6, 2019, 5:02 PM CDT (22:02 UTC)
Expired: Oct 6, 2019, 5:45 PM CDT
In force: 43 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Crockett County, TN, Haywood County, TN, Madison County, TN

The radar

The Memphis radar (KNQA), 80 km from the middle of the area, began a volume at 22:05 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, 10.0 hours before the alert went out and 230 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: 90 J/kg
Mixed-layer CIN: -266 J/kg
Mixed-layer LCL: 956 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 177 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 Oct 6, 2:50 PM CDT, 2 hours 12 minutes earlier.

Area forecast discussion, Oct 6, 2:50 PM CDT, 2 hours 12 minutes before

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Hazardous weather outlook, Oct 6, 4:06 AM CDT, 12 hours 56 minutes before

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In the hours before

Special weather statement, Oct 6, 3:01 PM CDT, 2 hours 1 minute before

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Special weather statement, Oct 6, 4:09 PM CDT, 53 minutes before

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Special weather statement, Oct 6, 4:20 PM CDT, 42 minutes before

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Special weather statement, Oct 6, 4:42 PM CDT, 20 minutes before

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Special weather statement, Oct 6, 4:55 PM CDT, 7 minutes before

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Special weather statement, Oct 6, 5:01 PM CDT, 1 minute 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
Oct 6, 5:41 PM CDT	Special Weather Statement	MEG	Marshall	49 min
Oct 6, 4:55 PM CDT	Special Weather Statement	MEG	Crockett	35 min
Oct 6, 5:01 PM CDT	Special Weather Statement	MEG	Lauderdale	29 min
Oct 6, 5:31 PM CDT	Special Weather Statement	MEG	Dyer	29 min
Oct 6, 5:39 PM CDT	Special Weather Statement	MEG	Haywood	51 min
Oct 6, 6:31 PM CDT	Special Weather Statement	MEG	Madison	29 min
Oct 6, 6:50 PM CDT	Special Weather Statement	MEG	Chester	25 min
Oct 6, 3:01 PM CDT	Special Weather Statement	MEG	Poinsett	29 min
Oct 6, 4:09 PM CDT	Special Weather Statement	MEG	Mississippi	36 min
Oct 6, 4:20 PM CDT	Special Weather Statement	MEG	Lee	25 min
Oct 6, 4:42 PM CDT	Special Weather Statement	MEG	Mississippi	33 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2019 Every severe thunderstorm warning in 2019

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.