Alert archive / Tennessee / Special Weather Statements in 2019

Special Weather Statement, NWS Nashville, TN

August 3, 2019Davidson County, Tennessee

NWS Nashville, TN issued this special weather statement at Aug 3, 2019, 5:22 PM CDT for Davidson County, Tennessee. It was in force for 38 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 3, 2019, 5:22 PM CDT (22:22 UTC)
Expired: Aug 3, 2019, 6:00 PM CDT
In force: 38 min
Issued by: NWS Nashville, TN

County Davidson County, TN

The radar

The Nashville radar (KOHX), 13 km from the middle of the area, began a volume at 22:26 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

Birmingham, AL (KBMX), launched 12:00Z, 10.4 hours before the alert went out and 349 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: 424 J/kg
Mixed-layer CIN: -89 J/kg
Mixed-layer LCL: 1072 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -41 m²/s²
0-3 km storm-relative helicity: -7 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 3, 3:06 PM CDT, 2 hours 16 minutes earlier.

Area forecast discussion, Aug 3, 3:06 PM CDT, 2 hours 16 minutes before

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Hazardous weather outlook, Aug 3, 5:10 AM CDT, 12 hours 12 minutes before

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In the hours before

Special weather statement, Aug 3, 3:51 PM CDT, 1 hour 31 minutes before

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Special weather statement, Aug 3, 4:54 PM CDT, 28 minutes before

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Special weather statement, Aug 3, 5:22 PM CDT, 0 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
Aug 2, 7:15 PM CDT	Special Weather Statement	OHX	Wilson	30 min
Aug 2, 7:49 PM CDT	Special Weather Statement	OHX	Wilson	26 min
Aug 2, 8:04 PM CDT	Special Weather Statement	OHX	Davidson	26 min
Aug 2, 8:29 PM CDT	Areal Flood Advisory	OHX	Davidson, Rutherford, Williamson, Wilson	3 hr
Aug 2, 8:32 PM CDT	Special Weather Statement	OHX	Williamson	43 min
Aug 2, 9:14 PM CDT	Special Weather Statement	OHX	Williamson	31 min
Aug 2, 9:46 PM CDT	Special Weather Statement	OHX	Williamson	44 min
Aug 3, 3:51 PM CDT	Special Weather Statement	OHX	Montgomery	39 min
Aug 3, 4:10 PM CDT	Areal Flood Advisory	OHX	Montgomery	2 hr
Aug 3, 4:54 PM CDT	Special Weather Statement	OHX	Cheatham	51 min
Aug 3, 5:46 PM CDT	Special Weather Statement	OHX	Davidson, Williamson	44 min
Aug 3, 5:58 PM CDT	Areal Flood Advisory	OHX	Wayne	2 hr
Aug 3, 6:02 PM CDT	Areal Flood Advisory	OHX	Davidson, Williamson	118 min
Aug 3, 6:38 PM CDT	Special Weather Statement	OHX	Davidson	52 min
Aug 3, 6:50 PM CDT	Areal Flood Advisory	OHX	Davidson	115 min

Nearby

Special Weather Statements in Tennessee, 2019 Every special weather statement 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.