Alert archive / Nebraska / Tornado Warnings in 1990

Tornado Warning 22, NWS North Platte, NE

June 12, 1990Madison County, Stanton County, Wayne County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 12, 1990, 9:21 PM CDT for Madison County, Stanton County, Wayne County, Nebraska. It was in force for 39 min.

The area

The counties it named.

The facts

Issued: Jun 12, 1990, 9:21 PM CDT (02:21 UTC)
Expired: Jun 12, 1990, 10:00 PM CDT
In force: 39 min
Issued by: NWS North Platte, NE
Area: Whole counties

Counties Madison County, NE, Stanton County, NE, Wayne County, NE

The radar

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

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 2.4 hours before the alert went out and 109 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: 3586 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 227 m²/s²
0-3 km storm-relative helicity: 349 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 
TTAA00 KOFK 130221
TOROFK
NEC119-167-179-130300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE NORFOLK NE
921 PM CDT TUE JUN 12 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 1000 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTHEAST PART OF NEBRASKA
      MADISON...WESTERN STANTON...WAYNE

AT 915 PM CDT RADAR INDICATED A POSSIBLE TORNADO 20 MILES
SOUTHWEST OF NORFOLK...JUST EAST OF NEWMAN GROVE.
THIS WARNING INCLUDES THE TOWNS OF MADISON...NORFOLK...BATTLE
CREEK...STANTON AND HOSKINS.

THIS WARNING REPLACES THE WARNING FOR EASTERN BOONE AND WESTERN
PLATTE COUNTIES.

THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE IN
THE PATH OF THIS TORNADO TAKE SHELTER BELOW GROUND IF POSSIBLE.
OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR.  AVOID
WINDOWS.  ABANDON CARS AND MOBILE HOMES...TAKE COVER IN A REINFORCED
BUILDING OR GET INTO A DITCH OR CULVERT.

TAKE SHELTER IMMEDIATELY...GET TO A BASEMENT IF POSSIBLE.  OTHERWISE
GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR.  ABANDON CARS AND
MOBILE HOMES...TAKE SHELTER IN A REINFORCED BUILDING.

 A TORNADO WATCH REMAINS IN EFFECTO FOR NORTHEAST NEBRASKA UNTIL
 1 AM CDT.

 MILLER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 8:35 PM CDT	Tornado Warning	LBF	Boone, Platte	25 min
Jun 12, 9:00 PM CDT	Tornado Warning	LBF	Boone, Madison, Platte	30 min
Jun 12, 9:32 PM CDT	Severe Thunderstorm Warning	LBF	Custer	58 min
Jun 12, 9:51 PM CDT	Severe Thunderstorm Warning	LBF	Boone	39 min
Jun 12, 10:01 PM CDT	Tornado Warning	LBF	Custer	29 min
Jun 12, 10:31 PM CDT	Severe Thunderstorm Warning	LBF	Madison, Platte, Stanton	44 min
Jun 12, 10:31 PM CDT	Severe Thunderstorm Warning	LBF	Boone	44 min
Jun 12, 11:16 PM CDT	Severe Thunderstorm Warning	LBF	Cuming, Madison, Pierce, Stanton, Wayne	59 min
Jun 12, 11:16 PM CDT	Severe Thunderstorm Warning	LBF	Platte	59 min
Jun 13, 12:13 AM CDT	Severe Thunderstorm Warning	LBF	Colfax, Cuming, Stanton	62 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; the sounding from the Mesonet's radiosonde archive.