Alert archive / Texas / Tornado Warnings in 2000

Tornado Warning 1, NWS Shreveport, LA

March 18, 2000Rusk County, Texas

NWS Shreveport, LA issued this tornado warning at Mar 18, 2000, 2:59 PM CST for Rusk County, Texas. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Mar 18, 2000, 2:59 PM CST (20:59 UTC)
Expired: Mar 18, 2000, 3:30 PM CST
In force: 31 min
Issued by: NWS Shreveport, LA
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Rusk County, TX

The radar

The Shreveport radar (KSHV), 93 km from the middle of the area, began a volume at 21:02 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 18, 2:15 PM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 9.0 hours before the alert went out and 102 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: 772 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 256 m²/s²
0-3 km storm-relative helicity: 306 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 
WFUS54 KSHV 182100
TORSHV
TXC401-182130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
259 PM CST SAT MAR 18 2000

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN RUSK COUNTY IN TEXAS

* UNTIL 330 PM CST

* AT 259 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO ABOUT 7 MILES NORTH
  OF HENDERSON...MOVING NORTHEAST AT 30 MPH.

TORNADOES ASSOCIATED WITH THIS TYPE OF THUNDERSTORM USUALLY OCCUR ON 
THE EAST TO SOUTH PART OF THE STORM.

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
FOR...
  NORTHERN RUSK COUNTY IN TEXAS
UNTIL 330 PM CST.

LAT...LON 3229 9497 3213 9487 3220 9458 3239 9464

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 18, 2:31 PM CST	Severe Thunderstorm Warning	SHV	Rusk, Smith	29 min
Mar 18, 2:50 PM CST	Severe Thunderstorm Warning	SHV	Harrison	45 min
Mar 18, 3:06 PM CST	Severe Thunderstorm Warning	SHV	Shelby	54 min
Mar 18, 3:33 PM CST	Severe Thunderstorm Warning	SHV	Panola	57 min
Mar 18, 3:49 PM CST	Severe Thunderstorm Warning	SHV	Cass	56 min
Mar 18, 4:02 PM CST	Severe Thunderstorm Warning	SHV	Shelby	28 min
Mar 18, 4:34 PM CST	Severe Thunderstorm Warning	SHV	Shelby	26 min

Nearby

Tornado Warnings in Texas, 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.