Alert archive / Tennessee / Special Weather Statements in 2026

Special Weather Statement, NWS Nashville, TN

August 17, 2026Grundy County, Tennessee

NWS Nashville, TN issued this special weather statement at Aug 17, 2026, 4:13 PM CDT for Grundy County, Tennessee. It was in force for 47 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: Aug 17, 2026, 4:13 PM CDT (21:13 UTC)
Expired: Aug 17, 2026, 5:00 PM CDT
In force: 47 min
Issued by: NWS Nashville, TN
Hail: 0.00 in
Wind: 40

County Grundy County, TN

The radar

The Northeast Alabama radar (KHTX), 72 km from the middle of the area, began a volume at 21:16 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, 9.2 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: 1267 J/kg
Mixed-layer CIN: -114 J/kg
Mixed-layer LCL: 1083 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 66 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 17, 1:59 PM CDT	Special Weather Statement	OHX	Cumberland, White	46 min
Aug 17, 2:02 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Coffee, Warren	43 min
Aug 17, 2:41 PM CDT	Severe Thunderstorm Warning	OHX	Coffee, Grundy, Warren	49 min
Aug 17, 2:45 PM CDT	Special Weather Statement	OHX	Cumberland, White	45 min
Aug 17, 2:56 PM CDT	Severe Thunderstorm Warning	OHX	Van Buren, White	49 min
Aug 17, 3:06 PM CDT	Severe Thunderstorm Warning	OHX	Van Buren	24 min
Aug 17, 3:31 PM CDT	Special Weather Statement	OHX	Cumberland	44 min
Aug 17, 4:04 PM CDT	Special Weather Statement	OHX	Lawrence	41 min
Aug 17, 4:05 PM CDT	Special Weather Statement	OHX	Cannon	40 min
Aug 17, 4:09 PM CDT	Special Weather Statement	OHX	Cumberland	51 min
Aug 17, 4:21 PM CDT	Special Weather Statement	OHX	Grundy	39 min
Aug 17, 4:41 PM CDT	Special Weather Statement	OHX	Giles, Lawrence	49 min
Aug 17, 5:06 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Marshall	39 min
Aug 17, 5:09 PM CDT	Severe Thunderstorm Warning	OHX	Grundy	51 min

Nearby

Special Weather Statements in Tennessee, 2026 Every special weather statement in 2026

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.