Alert archive / Tennessee / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 98, NWS Nashville, TN

July 19, 2019Van Buren County, White County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jul 19, 2019, 3:18 PM CDT for Van Buren County, White County, Tennessee. It was in force for 27 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 19, 2019, 3:18 PM CDT (20:18 UTC)
Expired: Jul 19, 2019, 3:45 PM CDT
In force: 27 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Van Buren County, TN, White County, TN

The radar

The Nashville radar (KOHX), 111 km from the middle of the area, began a volume at 20:21 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.3 hours before the alert went out and 285 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: 932 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 1090 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -13 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 Nashville, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 19, 2:43 PM CDT, 35 minutes earlier.

Area forecast discussion, Jul 19, 2:43 PM CDT, 35 minutes before

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Hazardous weather outlook, Jul 19, 5:31 AM CDT, 9 hours 47 minutes before

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In the hours before

Special weather statement, Jul 19, 3:13 PM 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
Jul 18, 7:02 PM CDT	Areal Flood Advisory	OHX	Lawrence, Wayne	3 hr
Jul 19, 3:13 PM CDT	Special Weather Statement	OHX	White	47 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.