Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 41, NWS North Platte, NE

October 31, 2000Custer County, Nebraska

NWS North Platte, NE issued this tornado warning at Oct 31, 2000, 7:04 PM CST for Custer County, Nebraska. It was in force for 41 min. 1 report came from 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, with what was reported inside it.

The facts

Issued: Oct 31, 2000, 7:04 PM CST (01:04 UTC)
Expired: Oct 31, 2000, 7:45 PM CST
In force: 41 min
Issued by: NWS North Platte, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Custer County, NE

What was reported inside it

Time	Report	Where	Remark
Oct 31, 7:35 PM CST	Tornado F1	Sargent, NE	The tornado touched down 2 miles west of Sargent with damage to a farm building and center pivot irrigation system. The tornado moved north northeast with several power poles broken off and minor damage produced at a farm 2 miles northwest of Sargent. The torn

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 watch it was issued in

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

Issued	Product	Office	Lasted
Oct 31, 4:00 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.1 hours before the alert went out and 78 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: 844 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 945 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 209 m²/s²
0-3 km storm-relative helicity: 297 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 4.6

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLBF 010105
TORLBF

NEC041-010145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
704 PM CST TUE OCT 31 2000

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CUSTER COUNTY IN CENTRAL NEBRASKA

* UNTIL 745 PM CST

* AT 703 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A TORNADO JUST SOUTHEAST OF BROKEN BOW MOVING NORTHEAST AT 40 MPH.

* THE TORNADO IS EXPECTED TO BE...
  10 MILES NORTHWEST OF WESTERVILLE AROUND 705 PM CST
  6 MILES NORTHWEST OF WEISSERT AROUND 710 PM CST
  9 MILES SOUTHEAST OF GATES AROUND 725 PM CST

THIS IS A DANGEROUS STORM SITUATION. WIDESPREAD DAMAGE WAS REPORTED 
FROM THIS TORNADO IN THE TOWN OF OCONTO AROUND 650 PM CST. ACT 
QUICKLY...IT MAY SAVE YOUR LIFE.

TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT BECAUSE THEY ARE HARD TO
SEE. TAKE COVER NOW.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR YBODY AND ALWAYS STAY AWAY FROM WINDOWS.

LAT...LON 4135 10018 4134 9924 4169 9922 4172 10014

SHEETS

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 31, 6:25 PM CST	Tornado Warning	LBF	Custer	50 min
Oct 31, 6:32 PM CST	Severe Thunderstorm Warning	LBF	Garfield	43 min
Oct 31, 7:45 PM CST	Tornado Warning	LBF	Custer, Loup	45 min
Oct 31, 8:25 PM CST	Tornado Warning	LBF	Holt	65 min

Nearby

Tornado Warnings in Nebraska, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.