Alert archive / Nebraska / Tornado Warnings in 1990

Tornado Warning 13, NWS Hastings, NE

March 13, 1990Polk County, Nebraska

NWS Hastings, NE issued this tornado warning at Mar 13, 1990, 6:56 PM CST for Polk County, Nebraska. It was in force for 34 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, 6:56 PM CST (00:56 UTC)
Expired
Mar 13, 1990, 7:30 PM CST
In force
34 min
Issued by
NWS Hastings, NE
Area
Whole counties

County Polk 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

TimeReportWhereRemark
Mar 13, 7:20 PM CSTThunderstorm Wind 0Polk, 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, 0.9 hours before the alert went out and 101 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-pSkew-T log-p diagram, Omaha, NE at 00:00Z on 1990-03-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 1990-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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 KGRI 140056
TORGRI
NEC125-143-140130-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 730 PM CST FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE CENTRAL PART OF NEBRASKA
      NANCE...POLK

THUNDERSTORMS IN SOUTHERN NANCE COUNTY WERE MOVING NORTH AT 50 MPH.
THEY WILL BE NEAR FULLERTON AND BELGRADE BY 730.  THUNDERSTORMS IN
YORK COUNTY WILL MOVE INTO POLK COUNTY.  THESE STORMS HAVE PRODUCED
NUMEROUS TORNADOES AND LARGE HAIL AND WILL CONTINUE TO DO SO.

TSKE COVER NOW IF YOU ARE IN THESE AREAS!!!

IF YOU ARE CAUGHT IN THE OPEON... TRY TO HIDE IN A DEPRESSION SUCH
AS A DITCH OR CULVERT.

 OEB/JBS

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 13, 6:07 PM CSTTornado WarningGIDNuckolls38 min
Mar 13, 6:07 PM CSTTornado WarningGIDClay, Fillmore, Hamilton, York38 min
Mar 13, 6:23 PM CSTTornado WarningGIDHoward, Merrick, Nance22 min
Mar 13, 6:38 PM CSTTornado WarningGIDFillmore, York22 min
Mar 13, 6:56 PM CSTTornado WarningGIDNance34 min
Mar 13, 7:38 PM CSTTornado WarningGIDFillmore37 min

Nearby

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