Alert archive / Tennessee / Tornado Warnings in 2000

Tornado Warning 29, NWS Nashville, TN

March 25, 2000Williamson County, Tennessee

NWS Nashville, TN issued this tornado warning at Mar 25, 2000, 4:48 PM CST for Williamson County, Tennessee. It was in force for 42 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: Mar 25, 2000, 4:48 PM CST (22:48 UTC)
Expired: Mar 25, 2000, 5:30 PM CST
In force: 42 min
Issued by: NWS Nashville, TN
Area: Whole counties

County Williamson County, TN

The radar

The Nashville radar (KOHX), 50 km from the middle of the area, began a volume at 22:53 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

Little Rock, AR (KLZK), launched 12:00Z, 10.8 hours before the alert went out and 301 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: 216 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 1373 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 44 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KOHX 252252 COR
TORBNA
TNC187-252330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING...CORRECTED FOR LOCATION
NATIONAL WEATHER SERVICE NASHVILLE TN
448 PM CST SAT MAR 25 2000

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  WILLIAMSON COUNTY

* UNTIL 530 PM CST

* AT 440 PM CST...THE PUBLIC REPORTED A TORNADO ABOUT 5 MILES NORTH  
  OF FRANKLIN MOVING SOUTHEAST AT 30 MPH.

THIS TORNADO IS WRAPPED IN RAIN - DO NOT WAIT UNTIL YOU CAN SEE IT OR
HEAR IT! GO TO A SAFE PLACE AND TAKE COVER NOW!
$$

08

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 25, 3:38 PM CST	Severe Thunderstorm Warning	OHX	Dickson	52 min
Mar 25, 4:13 PM CST	Severe Thunderstorm Warning	OHX	Cheatham	32 min
Mar 25, 4:20 PM CST	Severe Thunderstorm Warning	OHX	Davidson, Williamson	40 min
Mar 25, 5:15 PM CST	Tornado Warning	OHX	Bedford, Marshall, Rutherford	45 min

Nearby

Tornado Warnings in Tennessee, 2000 Every tornado warning in 2000 Tornadoes in 2000

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.