Alert archive / Nebraska / Tornado Warnings in 1998

Tornado Warning 21, NWS Hastings, NE

May 21, 1998Gosper County, Nebraska

NWS Hastings, NE issued this tornado warning at May 21, 1998, 7:32 PM CDT for Gosper County, Nebraska. It was in force for 28 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 21, 1998, 7:32 PM CDT (00:32 UTC)
Expired: May 21, 1998, 8:00 PM CDT
In force: 28 min
Issued by: NWS Hastings, NE
Area: Whole counties

County Gosper County, NE

What was reported inside it

Time	Report	Where	Remark
May 21, 7:58 PM CDT	Hail 2.75	Elwood, NE

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
May 21, 3:15 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.5 hours before the alert went out and 94 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: 685 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 548 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 73 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.

000 
TTAA00 KGRI 220031 RRA
TORGRI
NEC073-220100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
732 PM CDT THU MAY 21 1998

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* TORNADO WARNING FOR PEOPLE IN...
  GOSPER COUNTY IN SOUTH CENTRAL NEBRASKA

* UNTIL 800 PM CDT

* AT AT 730 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 30 MILES SOUTHWEST OF LEXINGTON...OR 5 MILES NORTH OF
  HOLBROOK... MOVING NORTHEAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  RURAL AREAS SOUTH OF ELWOOD THROUGH 8 PM

TAKE SHELTER IN A BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR AND STAY AWAY FROM WINDOWS!

A TORNADO WATCH IS IN EFFECT THROUGH 9 PM. THIS REPLACES THE SEVERE
THUNDERSTORM WARNING RECENTLY ISSUED.

JAB

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 7:22 PM CDT	Tornado Warning	GID	Phelps	38 min
May 21, 7:27 PM CDT	Severe Thunderstorm Warning	GID	Gosper	33 min
May 21, 7:40 PM CDT	Tornado Warning	GID	Kearney	50 min
May 21, 7:59 PM CDT	Tornado Warning	GID	Furnas, Gosper, Phelps	31 min
May 21, 8:30 PM CDT	Tornado Warning	GID	Kearney, Phelps	30 min
May 21, 9:01 PM CDT	Tornado Warning	GID	Adams, Kearney	29 min
May 21, 9:01 PM CDT	Tornado Warning	GID	Phelps	29 min
May 21, 9:32 PM CDT	Severe Thunderstorm Warning	GID	Kearney	28 min
May 21, 9:42 PM CDT	Tornado Warning	GID	Kearney	33 min
May 21, 10:14 PM CDT	Tornado Warning	GID	Adams, Kearney	31 min
May 21, 10:17 PM CDT	Severe Thunderstorm Warning	GID	Hall	43 min
May 21, 10:23 PM CDT	Severe Thunderstorm Warning	GID	Polk, York	37 min
May 21, 10:30 PM CDT	Tornado Warning	GID	Gosper	45 min
May 21, 10:47 PM CDT	Severe Thunderstorm Warning	GID	Adams	43 min
May 21, 11:02 PM CDT	Severe Thunderstorm Warning	GID	Hall, Hamilton, Merrick	43 min
May 21, 11:02 PM CDT	Severe Thunderstorm Warning	GID	Buffalo	43 min
May 21, 11:17 PM CDT	Tornado Warning	GID	Gosper, Phelps	43 min
May 21, 11:21 PM CDT	Severe Thunderstorm Warning	GID	Polk, York	39 min
May 21, 11:24 PM CDT	Severe Thunderstorm Warning	GID	Clay	36 min
May 21, 11:40 PM CDT	Severe Thunderstorm Warning	GID	Buffalo	35 min
May 21, 11:44 PM CDT	Severe Thunderstorm Warning	GID	Hall, Hamilton	46 min
May 21, 11:57 PM CDT	Tornado Warning	GID	Kearney, Phelps	48 min
May 22, 12:01 AM CDT	Severe Thunderstorm Warning	GID	Clay, Fillmore, York	49 min
May 22, 12:47 AM CDT	Severe Thunderstorm Warning	GID	Fillmore	33 min
May 22, 12:48 AM CDT	Severe Thunderstorm Warning	GID	Adams, Franklin, Kearney, Webster	47 min
May 22, 2:31 AM CDT	Severe Thunderstorm Warning	GID	Thayer	29 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.