Alert archive / Nebraska / Tornado Warnings in 1986
Tornado Warning 20, NWS Hastings, NE
NWS Hastings, NE issued this tornado warning at Jun 29, 1986, 9:08 PM CDT for Polk County, Nebraska. It was in force for 27 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
- Jun 29, 1986, 9:08 PM CDT (02:08 UTC)
- Expired
- Jun 29, 1986, 9:35 PM CDT
- In force
- 27 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 29, 9:12 PM CDT | Tornado F1 | Polk, 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, 2.1 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3623 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 262 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 300208 TORGRI NEC143-300235- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GRAND ISLAND NE 908 PM CDT SUN JUN 29 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 935 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF CENTRAL NEBRASKA...POLK AT 905 PM CDT RADAR INDICATED A POSSIBLE 10 MILES WEST OF STROMBURG NEBRASKA MOVING EAST AT 35 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. DAfMAGE REPORTS OR OBSERVED SEVERE WEATHER SHOULD BE GIVEN TO A LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. OEB
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 29, 3:46 PM CDT, 5 hours 22 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE GRAND ISLAND NE 330 PM CDT SUN JUN 29 1986 ......TORNADO WATCH UNTIL 10 PM FOR PARTS OF NORTH CENTRAL AND NORTH EASTERN NEBRASKA..... AT 3 30PM CDT LARGE AND VERY INTENSE THUNDERSTORMS WERE OCCURRING IN EXTREME NORTH CENTRAL NEBRASKA. THESE THUNDERSTORMS WERE LOCATED FROM NEAR AINSWORTH THEN NORTHEAST TO THE SOUTH DAKOTA STATE LINE. VERY HEAVY RAIN...LARGE HAIL AND POSSIBLE DAMAGING WIND IS POSSIBLE WITH THESE THUNDERSTORMS. GOLF BALL SIZE HAIL HAS BEEN REPORTED WITH SOME OF THESE THUNDERSTORMS. THE STORMS WERE MOVING EAST AT 25 MPH. OTHER THUNDERSTORMS NOT AS INTENSE WERE WIDELY SCATTERED OVER PARTS OF SOUTH CENTRAL NEBRASKA JUST SOUTHEAST AND SOUTH OF NORTH PLATTE... AND OVER SOUTHEASTERN NEBRASKA FROM JUST SOUTHWEST OF COLUMBUS TO NORTH AND WEST OF BEATRICE AND NEAR FALLS CITY. MOVEMENT OF THE THUNDERSTORMS WAS EAST AT 15 TO 20 MPH.
Special weather statement, Jun 29, 4:44 PM CDT, 4 hours 24 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE GRAND ISLAND NE 430 PM CDT SUN JUN 29 1986 ......TORNADO WATCH UNTIL 10 PM FOR PARTS OF NORTH CENTRAL AND NORTH EASTERN NEBRASKA..... AT 4 30PM CDT VERY INTENSE THUNDERSTORMS IN NORTH CENTRAL NEBRASKA AND A STRONG THUNDERSTORM IN WEST CENTRAL NEBRASKA. IN INTENSE THUNDERSTORM WAS NORTHEAST OF AINSWORTH EXTENDING ON NORTH EAST INTO SOUTH DAKOTA. A THUNDERSTORM WARMING HAD BEEN ISSUED FOR THAT STORM IT MOVING EAST SOUTHEAST AT 15 MPH. A VERY STRONG THUNDERSTORM WAS 20 MILES EAST OF NORTH PLATTE MOVING EAST AT 15 MPH. STRONG GUSTY WIND VERY HEAVY RAIN AND HAIL EXPCETED WITH THIS STORM. SCATTERED THUNDERSTORMS WERE ALSO DEVELOPING IN SOUTHEAST NEBRASKA. OEB
Special weather statement, Jun 29, 5:42 PM CDT, 3 hours 26 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE GRAND ISLAND NE 430 PM CDT SUN JUN 29 1986 ......TORNADO WATCH UNTIL 10 PM FOR PARTS OF NORTH CENTRAL AND NORTH EASTERN NEBRASKA..... AT 5 30PM CDT VERY INTENSE THUNDERSTORMS WERE MOVING THROUGH NORTH CENTRAL NEBRASKA. THERE WERE IN A 40 MILES WIDE AREA THAT EXTENDED FROM NORTHEAST OF YANKTON SOUTH DAKOTA TO 25 MILES SOUTHWEST OF AINSWORTH NEBRASKA. THEY WERE MOVING SOUTHEAST AT 30 MPH AND WERE PRODUCING VERY HEAVY RAIN..HAIL AND DAMAGING WINDS. WARNING ARE OUT FOR PORTION OF THAT AREA. THERE WAS A HEAVY THUNDERSTORM NEAR OCONTO IN WEST CENTRAL NEBRASKA. IT HAS WEAKENED..BUT SHOULD HAVE HEAVY RAIN AS IT MOV7ES EAST AT 20 MPH. THERE WERE A FEW THUNDERSTORMS SCATTERED OVER SOUTHWEST NEBRASKA. THE THUNDERSTORMS THAT WERE IN SOUTHEAST NEBRASKA HAVE DISIPATED. OEB
Special weather statement, Jun 29, 6:41 PM CDT, 2 hours 27 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE GRAND ISLAND NE 630 PM CDT SUN JUN 29 1986 ......TORNADO WATCH UNTIL 10 PM FOR PARTS OF NORTH CENTRAL AND NORTH EASTERN NEBRASKA..... AT 6 30PM CDT VERY INTENSE THUNDERSTORMS CONTINUE TO MOVE THROUGH NORTH CENTRAL AND NORTHEAST NEBRASKA. THERE WERE IN A 50 MILES WIDE AREA THAT EXTENDED FROM 30 MILES NORTH OF SIOUX CITY IOWA SOUTHWEST THROUGH ONEILL TO 30 MILES SOUTH OF AINSWORTH. VERY HEAVY RAIN..HAIL AND DAMAGING WINDS HAVE BEEN REPORTED THE THIS AREA. THEY WERE MOVING SOUTHEAST AT 35 MPH. A FEW THUNDERSTORMS WERE WIDELY SCATTERED OVER SOUTHWEST NEBRASKA AND NORTHWEST KANSAS. IN NEBRASKA HAEY WERE SLOWInNG DISIPATING..BUT IN NORTH WEST KANSAS THEY WERE GETTING A LITTLE STRONGER. THEY WERE MOVING EAST AT 20 MPH. OEB
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 7:55 PM CDT | Severe Thunderstorm Warning | GID | Hamilton, Polk, York | 65 min |
| Jun 29, 7:55 PM CDT | Severe Thunderstorm Warning | GID | Howard, Merrick | 65 min |
| Jun 29, 8:56 PM CDT | Severe Thunderstorm Warning | GID | Polk | 64 min |
| Jun 29, 11:50 PM CDT | Severe Thunderstorm Warning | GID | Fillmore | 55 min |
Nearby
Tornado Warnings in Nebraska, 1986Every tornado warning in 1986Tornadoes in 1986
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.