Alert archive / Nebraska / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 29, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 25, 1989, 4:52 PM MDT for Morrill County, Scotts Bluff County, Nebraska. It was in force for 68 min. 3 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
- Jun 25, 1989, 4:52 PM MDT (22:52 UTC)
- Expired
- Jun 25, 1989, 6:00 PM MDT
- In force
- 68 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties Morrill County, NE, Scotts Bluff 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 25, 4:55 PM MDT | Tornado F0 | Morrill, NE | |
| Jun 25, 5:13 PM MDT | Tornado F1 | Morrill, NE | |
| Jun 25, 5:20 PM MDT | Hail 1.5 | Morrill, 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 12:00Z, 10.9 hours before the alert went out and 213 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
- 981 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm 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 25, 1:50 PM MDT, 3 hours 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 150 PM MDT SUN JUN 25 1989 WIDELY SCATTERED THUNDERSTORMS WERE OCCURRING OVER EXTREME SOUTHEAST WYOMING AT 145 PM. THE STRONGEST OF THESE STORMS WAS ABOUT 35 MILES NORTH OF CHEYENNE WITH ANOTHER STRONG CELL NEAR CHUGWATER...OR SOME 45 MILES NORTH OF CHEYENNE. BRIEF HEAVY RAIN...HAIL AND GUSTY WINDS WILL ACCOMPANY THE STRONGER THUNDERSTORMS AS THEY MOVE NORTHEAST AT 30 MILES AN HOUR. THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER SOUTHEAST WYOMING THE REST OF THIS AFTERNOON. PEOPLE IN THE SOUTHEAST PART OF THE STATE SHOULD KEEP AN EYE ON THE SKY AND BE READY TO SEEK SHELTER SHOULD THREATENING WEATHER APPROACH. HATTEN
Special weather statement, Jun 25, 4:15 PM MDT, 37 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 412 PM MDT SUN JUN 25 1989 ...SEVERE THUNDERSTORM WATCH UNTIL 9PM MDT FOR NEBRASKA PANHANDLE... ...SEVERE THUNDERSTORM WARNING UNTIL 5PM MDT FOR SCOTTS BLUFF COUNTY... AT 4 10 PM MDT...A SEVERE THUNDERSTROM WAS LOCATED OVER THE CITIES OF SCOTTSBLUFF AND GERING MOVING EAST AROUND 30 MILES AN HOUR. ONE INCH HAIL WAS REPORTED IN GERING...5 MILES SOUTHWEST OF SCOTTS BLUFF COUNTY AIRPORT...WIH HALF-INCH HAIL BEING REPORTED IN THE CITY OF SCOTTSBLUFF. OTHER STRONG THUNDERSTORMS WERE BEGINNING TO MOVE ACROSS THE NORTHERN NEBRASKA PANHANDLE...NORTH OF HARRISON IN SIOUX COUNTY AND ALONG THE NEBRASKA-SOUTH DAKOTA STATiE LINE. PFEIFFER
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 3:11 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff | 64 min |
| Jun 25, 3:31 PM MDT | Tornado Warning | CYS | Scotts Bluff | 29 min |
| Jun 25, 4:01 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff | 59 min |
| Jun 25, 5:06 PM MDT | Tornado Warning | CYS | Morrill | 39 min |
| Jun 25, 5:44 PM MDT | Tornado Warning | CYS | Morrill | 31 min |
| Jun 25, 2:02 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 43 min |
| Jun 25, 2:54 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 36 min |
| Jun 25, 3:32 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 43 min |
| Jun 25, 4:15 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 45 min |
| Jun 25, 5:27 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 48 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1989Every severe thunderstorm warning in 1989
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.