Alert archive / Nebraska / Tornado Warnings in 1998

Tornado Warning 18, NWS North Platte, NE

May 23, 1998Loup County, Nebraska

NWS North Platte, NE issued this tornado warning at May 23, 1998, 7:40 PM CDT for Loup County, Nebraska. It was in force for 35 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: May 23, 1998, 7:40 PM CDT (00:40 UTC)
Expired: May 23, 1998, 8:15 PM CDT
In force: 35 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Loup County, NE

What was reported inside it

Time	Report	Where	Remark
May 23, 7:45 PM CDT	Hail 1.75	Taylor, NE	Crops and property sustained significant damage due to large hail.

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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.7 hours before the alert went out and 129 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: 149 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 2274 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 54 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

331 
WFUS1 KLBF 240037 RRA
TORLBF
NEC115-240115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
740 PM CDT SAT MAY 23 1998

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN LOUP COUNTY IN NORTH CENTRAL NEBRASKA

* UNTIL 815 PM CDT

* AT 738 PM CDT... NORTH PLATTE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 39 MILES NORTH NORTHEAST OF BROKEN BOW OR 11
  MILES NORTH NORTHEAST OF TAYLOR MOVING EAST AT 25 MPH.

* THE TORNADO IS EXPECTED TO REMAIN IN RURAL AREAS.

THIS IS A DANGEROUS SITUATION ACT QUICKLY IT MAY SAVE YOUR LIFE
MOVE TO A BASEMENT IF POSSIBLE. OTHERWISE...GO TO A SMALL INTERIOR
ROOM ON THE LOWEST FLOOR.  STAY AWAY FROM WINDOWS AND DOORS.

SP/MP

The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 7:34 PM CDT	Severe Thunderstorm Warning	LBF	Loup	46 min
May 23, 7:50 PM CDT	Tornado Warning	LBF	Garfield	65 min
May 23, 8:33 PM CDT	Severe Thunderstorm Warning	LBF	Wheeler	32 min

Nearby

Tornado Warnings in Nebraska, 1998 Every tornado warning in 1998 Tornadoes in 1998

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.