Alert archive / Nebraska / Tornado Warnings in 1987
Tornado Warning 12, NWS Hastings, NE
NWS Hastings, NE issued this tornado warning at Aug 17, 1987, 7:51 PM CDT for Hall County, Nebraska. It was in force for 24 min. 2 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
- Aug 17, 1987, 7:51 PM CDT (00:51 UTC)
- Expired
- Aug 17, 1987, 8:15 PM CDT
- In force
- 24 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
County Hall 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 |
|---|---|---|---|
| Aug 17, 8:05 PM CDT | Hail 0.75 | Hall, NE | |
| Aug 17, 8:10 PM CDT | Tornado F1 | Hall, 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
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.9 hours before the alert went out and 178 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.
- Mixed-layer CAPE
- 6 J/kg
- Mixed-layer CIN
- -176 J/kg
- Mixed-layer LCL
- 3367 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KGRI 180051
TORGRI
NEC079-180115-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GRAND ISLAND NE
751 PM CDT MON AUG 17 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 815 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF
SOUTH CENTRAL NEBRASKA...NORTHERN HALL
AT 750 PM CDT RADAR INDICATED A POSSIBLE TORNADO IN NORTHEASTERN
HALL COUNTY. THIS WARNING DOES INCLUDE THE CITY OF GRAND ISLAND.
THE POSSIBLE TONADO WAS MOVING TO THE SOUTHEAST AT 25 MILES AN HOUR
PEOPLE IN THE PATH OF THIS TORNADO SHOULD TAKE COVER IMMEDIATELY
TO SAVE YOUR LIVES.
IF YOU ARE CAUGHT IN THE OPEN... TRY TO HIDE IN A DEPRESSION SUCH AS
A{ DITCH OR CULVERT.
IN ADDITION TO THE THREAT OF TORNADOES... LARGE HAIL... DANGEROUS
LIGHTNING AND VERY HEAVY RAIN ARE LIKELY WITH THIS STORM.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, Aug 17, 6:47 PM CDT, 1 hour 4 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE GRAND ISLAND NE 635 PM CDT MON AUG 17 1987 ...SEVERE THUNDERSTORM WARNING IN EFFECT FOR SOUTHWEST GREELEY... NORTHERN HOWARD...NORTHEAST SHERMAN...AND SOUTHEAST VALLEY COUNTY UNTIL 7 PM CDT... AT 6 35 PM CDT A SEVERE THUNDERSTORM WAS LOCATED IN CENTRAL NEBRASKA 35 MILES NOTHWEST OF GRAND ISLAND AT THE JUNCTIONS OF GREELEY SHERMAN..HOWARD AND VALLEY COUNTIES. IT WAS MOVING TOWARD THE EAST SOUTHEAST AT 25 MPH AND MY PRODUCE DAMAGING WIND AND LARGE HAIL. OTHER THUNDERSHOWERS WERE SCATTERED FROM CENTRAL NEBRASKA INTO THE NORTHEAST PART OF THE STATE AND IN SOUTHWEST NEBRASKA TO THE WEST AND SOUTHWEST OF HOLDRE)DGE.
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 7:09 PM CDT | Severe Thunderstorm Warning | GID | Howard, Sherman | 51 min |
| Aug 17, 7:33 PM CDT | Severe Thunderstorm Warning | GID | Hall, Hamilton, Merrick | 57 min |
| Aug 17, 7:33 PM CDT | Severe Thunderstorm Warning | GID | Howard | 57 min |
| Aug 17, 8:13 PM CDT | Tornado Warning | GID | Hamilton | 27 min |
| Aug 17, 8:48 PM CDT | Severe Thunderstorm Warning | GID | Hamilton | 27 min |
| Aug 17, 9:03 PM CDT | Tornado Warning | GID | Clay, Fillmore | 27 min |
| Aug 17, 9:45 PM CDT | Severe Thunderstorm Warning | GID | Fillmore | 25 min |
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.