Alert archive / Nebraska / Tornado Warnings in 1987

Tornado Warning 15, NWS Cheyenne, WY

July 5, 1987Kimball County, Nebraska

NWS Cheyenne, WY issued this tornado warning at Jul 5, 1987, 6:46 PM MDT for Kimball County, Nebraska. It was in force for 25 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
Jul 5, 1987, 6:46 PM MDT (00:46 UTC)
Expired
Jul 5, 1987, 7:11 PM MDT
In force
25 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Kimball 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
Jul 5, 7:03 PM MDTHail 1Kimball, 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

Denver, CO (KDEN), launched 00:00Z, 0.8 hours before the alert went out and 153 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, Denver, CO at 00:00Z on 1987-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 50 joules per kilogram.LCLLFCEL10008507005003002001001 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, Denver, CO at 00:00Z on 1987-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.19395878Sfc1 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
50 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
3636 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBFF 060046 RRA
TORBFF
NEC105-060111-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
646 PM MDT SUN JUL 5 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 711 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

PANHANDLE OF NEBRASKA...EASTERN KIMBALL AND THE CITY OF KIMBALL

AT 430 PM MDT A TORNADO WAS INDICATED BY RADAR 9 MILES SOUTH OF
KIMBALL NEBRASKA MOVING TO THE EAST AT 10 TO 15 MPH.

PERSONS IN THE WARNED AREA SHOULD TAKE SHELTER IN A BASEMENT IF
AVAILABLE.  OTHERWISE GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR.  CARS AND MOBILE HOMES SHOULD BE ABANDONED.

PEOPLE IN THE PATH OF THIS TORNADO SHOULD TAKE COVER IMMEDIATELY
TO SAVE YOUR LIVES.

DAMAGE REPORTS OR OBSERVED SEVERE WEATHER SHOULD BE GIVEN TO A LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

IN ADDITION TO THE THREAT OF TORNADOES...LARGE HAIL...DANGEROUS
LIGHTNING AND VERY HEAVY RAIN ARE LIKELY WITH THIS STORM.

HONTON

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 5, 6:27 PM MDT, 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
624 PM MDT SUN JUL 5 1987

AT 620 PM MDT...RADAR INDICATED A HEAVY THUNDERSTORM 8 MILES
SOUTHWEST OF KIMBALL NEBRAKSA...IN THE SOUTHWEST NEBRASKA
PANHANDLE. THIS STORM WAS MOVING TO THE EAST AT 20 TO 25 MPH.

BRIEF HEAVY RAIN...GUSTY WINDS AND SOME HAIL ARE POSSIBLE WITH
THUNDERSTORM OVER SOUTH CENTRAL AND SOUTHEAST KIMBALL COUNTY
OF THE SOUTHWEST NEBRASKA PANHANDLE UNTIL 720 PM MDT THIS EVENING.
HONTON

Nearby

Tornado Warnings in Nebraska, 1987Every tornado warning in 1987Tornadoes in 1987

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.