Alert archive / Tennessee / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 177, NWS Nashville, TN

May 16, 2025Clay County, Macon County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 16, 2025, 11:11 AM CDT for Clay County, Macon County, Tennessee. It was in force for 12 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: May 16, 2025, 11:11 AM CDT (16:11 UTC)
Expired: May 16, 2025, 11:23 AM CDT
In force: 12 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clay County, TN, Macon County, TN

The radar

The Nashville radar (KOHX), 78 km from the middle of the area, began a volume at 16:13 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

Nashville Metro, TN (KBNA), launched 12:00Z, 4.2 hours before the alert went out and 87 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: 2164 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 807 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 247 m²/s²
Significant tornado parameter: 2.3
Supercell composite: 5.7

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 Nashville, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at May 16, 6:28 AM CDT, 4 hours 43 minutes earlier.

Area forecast discussion, May 16, 6:28 AM CDT, 4 hours 43 minutes before

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In the hours before

Special weather statement, May 16, 9:04 AM CDT, 2 hours 7 minutes before

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Special weather statement, May 16, 9:34 AM CDT, 1 hour 37 minutes before

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Special weather statement, May 16, 10:13 AM CDT, 58 minutes before

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Special weather statement, May 16, 11:06 AM CDT, 5 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 16, 9:04 AM CDT	Special Weather Statement	OHX	Stewart	26 min
May 16, 9:34 AM CDT	Special Weather Statement	OHX	Montgomery, Stewart	41 min
May 16, 10:13 AM CDT	Special Weather Statement	OHX	Robertson	47 min
May 16, 10:29 AM CDT	Severe Thunderstorm Warning	OHX	Robertson, Sumner	34 min
May 16, 11:06 AM CDT	Special Weather Statement	OHX	Clay, Macon	24 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2025 Every severe thunderstorm warning in 2025

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.