Alert archive / Nebraska / Tornado Warnings in 1990

Tornado Warning 45, NWS Hastings, NE

June 18, 1990Adams County, Hall County, Nebraska

NWS Hastings, NE issued this tornado warning at Jun 18, 1990, 7:12 PM CDT for Adams County, Hall County, Nebraska. It was in force for 48 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: Jun 18, 1990, 7:12 PM CDT (00:12 UTC)
Expired: Jun 18, 1990, 8:00 PM CDT
In force: 48 min
Issued by: NWS Hastings, NE
Area: Whole counties

Counties Adams County, NE, Hall County, NE

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where	Remark
Jun 18, 7:20 PM CDT	Hail 1.75	Hall, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.2 hours before the alert went out and 183 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: 4131 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 1754 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 246 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 21.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRI 190012
TORGRI
NEC001-079-190100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE GRAND ISLAND NE
712 PM CDT MON JUN 18 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTH CENTRAL PART OF NEBRASKA
      NORTHERN ADAMS...HALL

AT 705 PM CDT SEVERAL REPORTS OF TORNADOES IN THE JUNIATE NEBRASKA
AREA...25 MILES SOUTH OF GRAND ISLAND...THIS SEVERE THUNDERSTORM
EXTENDED INTO THE GIBBON NEBRASKA...35 MILES SOUTHWEST OF GRAND
ISLAND.  THIS THUNDERSTORM WAS MOVING TO THE NORTHEAST AT 40 MPH.

IF YOU ARE IN THE PATH OF THIS TORNADO TAKE SHELTER IN A BASEMENT
OR BELOW GROUND.  OTHERWISE GO TO A SMALL INTERIOR ROOM ON THE
LOWEST FLOOR.  ABANDON CARS AND MOBILE HOMES FOR A REINFORCED
BUILDING.

 BW

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 7:49 PM CDT	Severe Thunderstorm Warning	GID	Hamilton, Merrick	26 min
Jun 18, 8:21 PM CDT	Severe Thunderstorm Warning	GID	Nance	39 min

Nearby

Tornado Warnings in Nebraska, 1990 Every tornado warning in 1990 Tornadoes in 1990

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.