Alert archive / Nebraska / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 255, NWS North Platte, NE

October 31, 2000Hayes County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Oct 31, 2000, 4:56 PM CST for Hayes County, Nebraska. It was in force for 49 min. 2 reports 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, 4:56 PM CST (22:56 UTC)
Expired: Oct 31, 2000, 5:45 PM CST
In force: 49 min
Issued by: NWS North Platte, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Hayes County, NE

The radar

The Goodland radar (KGLD), 141 km from the middle of the area, began a volume at 22:58 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
Oct 31, 5:00 PM CST	Hail 1.25	Hayes Center, NE
Oct 31, 5:00 PM CST	Tornado F1	Hamlet, NE	A tornado touched down 1 mile west of Hamlet and was intermittently on the ground to 9 miles north of Hamlet. As the tornado moved into Stinking Water Creek bottom 4 miles north northwest of Hamlet a garage was destroyed and several farm outbuilding were damag

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 12:00Z, 10.9 hours before the alert went out and 77 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: 1406 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 166 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 
WUUS53 KLBF 312257
SVRLBF
NEC085-312345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
456 PM CST TUE OCT 31 2000

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HAYES COUNTY IN SOUTHWEST NEBRASKA

* UNTIL 545 PM CST

* AT 455 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES EAST OF HAMLET...OR ABOUT 10 MILES
  SOUTHWEST OF HAYES CENTER...MOVING NORTH AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  5 MILES WEST OF HAYES CENTER AROUND 510 PM CST

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER IN A SMALL
INTERIOR ROOM AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST
PROTECTION.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST TUESDAY EVENING 
FOR SOUTHWESTERN NEBRASKA. 

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4070 10126 4038 10131 4036 10112 4036 10085
          4052 10079 4069 10077

SHEETS

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 31, 5:07 PM CST	Severe Thunderstorm Warning	LBF	Frontier	38 min
Oct 31, 5:19 PM CST	Tornado Warning	LBF	Frontier	41 min
Oct 31, 5:44 PM CST	Severe Thunderstorm Warning	LBF	Hayes	46 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2000 Every severe thunderstorm warning 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; radar from the NEXRAD Level II archive.