Alert archive / Nebraska / Tornado Warnings in 1987

Tornado Warning 6, NWS Hastings, NE

June 27, 1987Nuckolls County, Webster County, Nebraska

NWS Hastings, NE issued this tornado warning at Jun 27, 1987, 11:31 PM CDT for Nuckolls County, Webster County, Nebraska. It was in force for 29 min.

The area

The counties it named.

The facts

Issued: Jun 27, 1987, 11:31 PM CDT (04:31 UTC)
Expired: Jun 28, 1987, 12:00 AM CDT
In force: 29 min
Issued by: NWS Hastings, NE
Area: Whole counties

Counties Nuckolls County, NE, Webster 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, 4.5 hours before the alert went out and 205 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: 3551 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 149 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 280431
TORGRI
NEC129-181-280500-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE GRAND ISLAND NE
1131 PM CDT SAT JUN 27 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 1200 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

SOUTH CENTRAL NEBRASKA...NUCKOLLS AND WEBSTER

AT 1125 PM CDT RADAR INDICATED POSSIBLE TORNADOES JUST SOUTH OF
BLADEN AND 7 MILES SOUTHEAST OF BLUE HILL MOVING TO THE SOUTHEAST
AT 25 MILES AN HOUR.

IF YOU ARE IN THE PATH OF THIS TORNADO TAKE SHELTER IN A BASEMENT
IF AVAILABLE.  OTHERWISE GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR.  ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING.

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

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

 OPTIONAL FREE FORMAT ACTION STATEMENT
 JMK

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, Jun 27, 7:46 PM CDT, 3 hours 45 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
745 PM CDT SAT JUN 27 1987

...SEVERE THUNDERSTORM WATCH FOR PARTS OF WESTERN AND CENTRAL NEBRASKA
    UNTIL 100 AM CDT...

...VERY HEAVY THUNDERSTORMS ACROSS PORTIONS OF NORTH CENTRAL NEBRASKA
EXTENDING INTO WEST CENTRAL NEBRASKA...

AT 730 PM CDT A 20 MILE WIDE BAND OF VERY HEAVY THUNDERSTORMS EXTENDED
FROM JUST SOUTH OF VALENTINE IN NORTH CENTRAL NEBRASKA TO 40 MILES WEST
NORTHWEST OF NORTH PLATTE.  THE THUNDERSTORMS WERE MOVING TO THE
SOUTHEAST AT 25 MILES AN HOUR AND WERE CAPABLE OF PRODUCING VERY HEAVY
RAINS...STRONG GUSTY WINDS...AND LARGE HAIL.  THE MOST INTENSE
THUNDERSTORM WAS LOCATED ABOUT 10 MILES TO THE WEST OF MULLEN IN
NORTH CENTRAL NEBRASKA.

JMK

Special weather statement, Jun 27, 8:42 PM CDT, 2 hours 49 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
840 PM CDT SAT JUN 27 1987

...SEVERE THUNDERSTORM WATCH FOR PARTS OF WESTERN AND CENTRAL NEBRASKA
    UNTIL 100 AM CDT...

...VERY HEAVY THUNDERSTORMS ACROSS PORTIONS OF NORTH CENTRAL NEBRASKA
EXTENDING INTO WEST CENTRAL NEBRASKA...

AT 830 PM CDT A 30 MILE WIDE BAND OF VERY HEAVY THUNDERSTORMS WERE
LOCATED IN WEST CENTRAL NEBRASKA.  THESE THUNDERSTROMS EXTENDED FROM
JUST WEST OF BROKEN BOW TO 40 MILES NORTHWEST OF IMPERIAL.  AN ISOLATED
VERY HEAVY THUNDERSTORM WAS LOCATED IN NORTH CENTRAL NEBRASKA JUST TO
SOUTHEAST OF AINWORTH.  THIS THUNDERSTORM PRODUCED PEA SIZED HAIL AND
BRIEF HEAVY RAIN AS IT PASSED THROUGH AIN\SWORTH SHORTLY AFTER 800 PM
CDT.  ALL THE THUNDERSTORMS WERE MOVING TO THE SOUTH SOUTHEAST AT 30
MILES AN HOUR AND WERE CAPABLE OF PRODUCING VERY HEAVY RAIN...STRONG
GUSTY WINDS...AND LARGE HAIL.
JMK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 9:11 PM CDT	Severe Thunderstorm Warning	GID	Buffalo	64 min
Jun 27, 11:05 PM CDT	Severe Thunderstorm Warning	GID	Furnas, Harlan, Phelps	55 min
Jun 28, 5:51 PM CDT	Severe Thunderstorm Warning	GID	Greeley, Nance	69 min
Jun 28, 6:05 PM CDT	Tornado Warning	GID	Nance	25 min
Jun 28, 6:43 PM CDT	Severe Thunderstorm Warning	GID	Nance	62 min

Nearby

Tornado Warnings in Nebraska, 1987 Every tornado warning in 1987 Tornadoes 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; the sounding from the Mesonet's radiosonde archive.