Alert archive / Nebraska / Tornado Warnings in 1986

Tornado Warning 10, NWS North Platte, NE

April 26, 1986Madison County, Stanton County, Nebraska

NWS North Platte, NE issued this tornado warning at Apr 26, 1986, 5:00 PM CST for Madison County, Stanton County, Nebraska. It was in force for 20 min. 4 reports 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: Apr 26, 1986, 5:00 PM CST (23:00 UTC)
Expired: Apr 26, 1986, 5:20 PM CST
In force: 20 min
Issued by: NWS North Platte, NE
Area: Whole counties

Counties Madison County, NE, Stanton 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
Apr 26, 5:00 PM CST	Thunderstorm Wind 53	Madison, NE
Apr 26, 5:10 PM CST	Hail 1.5	Madison, NE
Apr 26, 5:15 PM CST	Hail 1	Stanton, NE
Apr 26, 5:25 PM CST	Hail 1.5	Stanton, 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

Omaha, NE (KOAX), launched 12:00Z, 11.0 hours before the alert went out and 108 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: 3605 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 301 m²/s²
0-3 km storm-relative helicity: 522 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 262300
TOROFK
NEC119-167-262320-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE NORFOLK NE
500 PM CST SAT APR 26 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 520 PM CST FOR PEOPLE IN THE FOLLOWING COUNTIES OF

NORTHEAST NEBRASKA...EASTERN MADISON AND STANTON

AT 450 PM RADAR INDICATED A POSSIBLE TORNADO 5 MILES EAST OF
LINDSAY AND ANOTHER 10 SOUTHEAST OF STANTON MOVING TOWARDS THE
NORTHEAST AT 30 MPH.

 THIS IS AN EXTREMELY DANGEROUS SITUATION...PEOPLE IN THE PATH OF
STORM SHOULD TAKE COVER IMMEDIATELY IN A BASEMENT SHELTER OR IN THE
CENTRAL PART OF THEIR HOMES.  ABANDON CARS AND MOBILE HOMES FOR A
REINFORCED SHELTER.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 3:16 PM CST	Severe Thunderstorm Warning	LBF	Boyd, Holt	29 min
Apr 26, 4:29 PM CST	Severe Thunderstorm Warning	LBF	Platte	61 min
Apr 26, 5:22 PM CST	Severe Thunderstorm Warning	LBF	Stanton, Wayne	38 min

Nearby

Tornado Warnings in Nebraska, 1986 Every tornado warning in 1986 Tornadoes in 1986

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.