Alert archive / Tennessee / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 5, NWS Nashville, TN

March 17, 2002Davidson County, Wilson County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Mar 17, 2002, 6:40 PM CST for Davidson County, Wilson County, Tennessee. It was in force for 50 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Mar 17, 2002, 6:40 PM CST (00:40 UTC)
Expired: Mar 17, 2002, 7:30 PM CST
In force: 50 min
Issued by: NWS Nashville, TN
Area: Whole counties

Counties Davidson County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 10 km from the middle of the area, began a volume at 00:43 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.

What was reported inside it

Time	Report	Where	Remark
Mar 17, 7:00 PM CST	Thunderstorm Wind 50 E	Mt Juliet, TN	Off duty NWS employee reported 2 large trees were blown down in the Verona Hills subdivision.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.7 hours before the alert went out and 7 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 606 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 145 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KOHX 180040
SVRBNA
TNC037-189-180130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
639 PM CST SUN MAR 17 2002

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DAVIDSON COUNTY IN TENNESSEE
  WILSON COUNTY IN TENNESSEE

* UNTIL 730 PM CST

* AT 637 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF MOUNT JULIET...MOVING EAST
  AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MOUNT JULIET AROUND 645 PM CST AND LEBANON AROUND 710 PM CST

THE MAIN THREAT IS DAMAGING WINDS AND HAIL. SEEK SHELTER INSIDE A 
STURDY BUILDING AND STAY AWAY FROM OUTSIDE WALLS AND WINDOWS.

$$

LAT...LON 3622 8673 3605 8666 3616 8604 3636 8621

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 17, 7:16 PM CST	Severe Thunderstorm Warning	OHX	Rutherford, Williamson, Wilson	44 min
Mar 17, 7:51 PM CST	Flash Flood Warning	OHX	Benton, Cheatham, Davidson, Dickson, Hickman, Humphreys and 2 more	3 hr
Mar 17, 8:00 PM CST	Flash Flood Warning	OHX	Clay, Jackson, Macon, Smith, Sumner, Trousdale and 1 more	3 hr
Mar 17, 8:21 PM CST	Flash Flood Warning	OHX	Clay, Jackson, Macon, Rutherford, Smith, Sumner and 2 more	3 hr
Mar 17, 9:08 PM CST	Flash Flood Warning	OHX	Fentress, Overton, Pickett	3 hr
Mar 17, 9:29 PM CST	Flash Flood Warning	OHX	Bedford, Cannon, Coffee, DeKalb, Giles, Lincoln and 6 more	3 hr
Mar 17, 10:13 PM CST	Flash Flood Warning	OHX	Bedford, Benton, Cannon, Cheatham, Clay, Coffee and 36 more	6 hr
Mar 18, 4:26 AM CST	Flash Flood Warning	OHX	Bedford, Coffee, Cumberland, Fentress, Franklin, Giles and 8 more	4 hr
Mar 18, 4:45 AM CST	Flash Flood Warning	OHX	Bedford, Coffee, Cumberland, Fentress, Franklin, Giles and 8 more	4 hr

Nearby

Severe Thunderstorm Warnings in Tennessee, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.