Alert archive / Tennessee / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 25, NWS Nashville, TN

May 2, 2019Clay County, Macon County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 2, 2019, 1:26 PM CDT for Clay County, Macon County, Tennessee. It was in force for 34 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 2, 2019, 1:26 PM CDT (18:26 UTC)
Expired: May 2, 2019, 2:00 PM CDT
In force: 34 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Hail: 0.75 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 18:29 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, 6.4 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: 608 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 1061 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 66 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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 2, 12:50 PM CDT, 36 minutes earlier.

Area forecast discussion, May 2, 12:50 PM CDT, 36 minutes before

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Hazardous weather outlook, May 2, 5:04 AM CDT, 8 hours 22 minutes before

Hazardous Weather Outlook
National Weather Service Nashville TN
504 AM CDT Thu May 2 2019

TNZ005>011-023>034-056>066-075-077>080-093>095-031015-
Stewart-Montgomery-Robertson-Sumner-Macon-Clay-Pickett-Houston-
Humphreys-Dickson-Cheatham-Davidson-Wilson-Trousdale-Smith-
Jackson-Putnam-Overton-Fentress-Perry-Hickman-Lewis-Williamson-
Maury-Marshall-Rutherford-Cannon-De Kalb-White-Cumberland-Bedford-
Coffee-Warren-Grundy-Van Buren-Wayne-Lawrence-Giles-
504 AM CDT Thu May 2 2019

This Hazardous Weather Outlook is for portions of middle
Tennessee.

.DAY ONE...Today and Tonight

There is a slight risk for severe thunderstorms across northwest
Middle Tennessee, and a marginal risk across the rest of Middle
Tennessee, this afternoon into tonight. A few storms with large
hail and damaging winds will be possible.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Scattered to numerous showers and thunderstorms are expected
Friday and Saturday. A few storms each day could be strong, with
small hail and high winds.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed later today.

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In the hours before

Special weather statement, May 2, 11:45 AM CDT, 1 hour 41 minutes before

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Special weather statement, May 2, 11:56 AM CDT, 1 hour 30 minutes before

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Special weather statement, May 2, 12:41 PM CDT, 45 minutes before

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Special weather statement, May 2, 12:44 PM CDT, 42 minutes before

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Special weather statement, May 2, 1:05 PM CDT, 21 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 2, 11:45 AM CDT	Special Weather Statement	OHX	Cumberland	45 min
May 2, 11:56 AM CDT	Special Weather Statement	OHX	Trousdale	34 min
May 2, 12:03 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Williamson	16 min
May 2, 12:41 PM CDT	Special Weather Statement	OHX	Van Buren, White	34 min
May 2, 12:44 PM CDT	Special Weather Statement	OHX	Rutherford	46 min
May 2, 12:57 PM CDT	Areal Flood Advisory	OHX	Cumberland, White	2 hr
May 2, 1:05 PM CDT	Special Weather Statement	OHX	Jackson	25 min
May 2, 1:31 PM CDT	Special Weather Statement	OHX	Putnam	29 min
May 2, 1:33 PM CDT	Special Weather Statement	OHX	Trousdale	27 min
May 2, 1:36 PM CDT	Special Weather Statement	OHX	Macon, Trousdale	39 min
May 2, 1:48 PM CDT	Special Weather Statement	OHX	Jackson	27 min
May 2, 1:52 PM CDT	Special Weather Statement	OHX	Overton	38 min
May 2, 2:05 PM CDT	Special Weather Statement	OHX	Clay, Jackson, Overton	40 min
May 2, 2:14 PM CDT	Severe Thunderstorm Warning	OHX	Jackson	31 min
May 2, 2:22 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Pickett	8 min
May 2, 2:38 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Jackson, Overton	22 min
May 2, 2:44 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb, Jackson, Putnam	31 min
May 2, 3:08 PM CDT	Special Weather Statement	OHX	Cumberland	37 min
May 2, 3:18 PM CDT	Special Weather Statement	OHX	Overton, Putnam	42 min
May 2, 3:26 PM CDT	Special Weather Statement	OHX	Davidson	49 min
May 2, 3:31 PM CDT	Special Weather Statement	OHX	Coffee	29 min
May 2, 3:33 PM CDT	Special Weather Statement	OHX	Warren	42 min
May 2, 3:50 PM CDT	Special Weather Statement	OHX	Davidson, Wilson	25 min
May 2, 3:59 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Coffee, Warren	31 min
May 2, 4:04 PM CDT	Severe Thunderstorm Warning	OHX	Sumner, Wilson	41 min
May 2, 4:16 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb, Putnam, Smith	29 min
May 2, 4:18 PM CDT	Severe Thunderstorm Warning	OHX	Sumner, Trousdale, Wilson	27 min
May 2, 4:30 PM CDT	Special Weather Statement	OHX	Warren	30 min
May 2, 4:33 PM CDT	Special Weather Statement	OHX	Macon, Sumner, Trousdale	27 min
May 2, 4:42 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb, Jackson, Putnam, Smith	17 min
May 2, 5:42 PM CDT	Areal Flood Advisory	OHX	Cumberland, White	2 hr
May 2, 5:54 PM CDT	Special Weather Statement	OHX	Cumberland	51 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.