Alert archive / Nebraska / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 32, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 25, 1989, 7:33 PM MDT for Garden County, Nebraska. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- Jun 25, 1989, 7:33 PM MDT (01:33 UTC)
- Expired
- Jun 25, 1989, 8:30 PM MDT
- In force
- 57 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Garden 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
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.6 hours before the alert went out and 155 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
- 2940 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 971 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 233 m²/s²
- 0-3 km storm-relative helicity
- 363 m²/s²
- Significant tornado parameter
- 6.9
- Supercell composite
- 28.2
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, 5 hours 43 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, 3 hours 18 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, 6:22 PM MDT | Severe Thunderstorm Warning | CYS | Morrill | 68 min |
| Jun 26, 1:55 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 65 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; the sounding from the Mesonet's radiosonde archive.