Alert archive / Nebraska / Tornado Warnings in 1990

Tornado Warning 2, NWS North Platte, NE

March 13, 1990Antelope County, Boone County, Madison County, Nebraska

NWS North Platte, NE issued this tornado warning at Mar 13, 1990, 6:31 PM CST for Antelope County, Boone County, Madison County, Nebraska. It was in force for 29 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: Mar 13, 1990, 6:31 PM CST (00:31 UTC)
Expired: Mar 13, 1990, 7:00 PM CST
In force: 29 min
Issued by: NWS North Platte, NE
Area: Whole counties

Counties Antelope County, NE, Boone County, NE, Madison 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
Mar 13, 6:45 PM CST	Tornado F1	Madison, 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 00:00Z, 0.5 hours before the alert went out and 145 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: 3595 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 98 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 140031
TOROFK
NEC011-003-119-140100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE NORFOLK NE
631 PM CST TUE MAR 13 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 700 PM CST FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTHEAST PART OF NEBRASKA
      EASTERN BOONE...SOUTHEAST ANTELOPE...WESTERN MADISON

AT 630 PM CST RADAR CONTINUED TO INDICATE A POSSIBLE TORNADO NEAR
ALBION...ABOUT 30 MILES SOUTHWEST OF NORFOLK.  THIS STORM WAS
MOVING TO THE NORTHEAST AT 45 MPH.

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.

ACT QUICKLY.  TAKE SHELTER IN THE INNERMOST PORTION OF THE BUILDING
ON TH#E LOWEST FLOOR.  GET TO A BASEMENT IF POSSIBLE.  AVOID WINDOWS.
PROTECT YOURSELF FROM FLYING DEBRIS WITH CUSHIONS...BLANKETS OR
PILLOWS.

 AT TORNADO WATCH REMAINS IN EFFECT FOR ALL OF NORTHEAST NEBRASKA
 UNTIL MIDNIGHT.

 BOWMAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 13, 7:36 PM CST	Severe Thunderstorm Warning	LBF	Madison, Pierce	39 min
Mar 13, 7:56 PM CST	Tornado Warning	LBF	Colfax	34 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.