Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 59, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 20, 1990, 8:34 PM MDT for Box Butte County, Sheridan County, Nebraska. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- Jun 20, 1990, 8:34 PM MDT (02:34 UTC)
- Expired
- Jun 20, 1990, 9:30 PM MDT
- In force
- 56 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties Box Butte County, NE, Sheridan 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
Rapid City, SD (KRAP), launched 00:00Z, 2.6 hours before the alert went out and 190 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
- 4 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 2227 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 138 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBFF 210234
SVRBFF
NEC161-013-210330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
834 PM MDT WED JUN 20 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 930 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE PANHANDLE OF NEBRASKA
SOUTHERN SHERIDAN...EASTERN BOX BUTTE
AT 833 PM MDT...RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES
NORTHWEST THROUGH 10 MILES NORTHEAST OF ALLIANCE NEBRASKA IN
EASTERN BOX BUTTE AND SOUTHEASTERN SHERIDAN COUNTY. THE STORM
WAS MOVING SOUTHEAST AT 30 MPH.
PREPARE FOR LARGE HAIL...DAMAGING WIND...HEAVY RAIN AND DANGEROUS
LIGHTNING BY TAKING COVER. STAY AWAY FROM AREAS WHERE LOOSE ITEMS
CAN BECOME DANGEROUS FLYING DEBRIS.
IF THREATENING WEATHER APPROACHES...TAKE SHELTER INSIDE A REINFORCED
BUILDING. STAY AWAY FROM WINDOWS. A BASEMENT...INTERIOR HALLWAY...
OR A ROOM ON THE LOWEST FLOOR IS THE SAFEST PLACE IN MOST BUILDINGS.
MOTORISTS SHOULD AVOID LOW WATER CROSSINGS.
PLISCHKEWhat 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 20, 2:58 PM MDT, 5 hours 36 minutes before
NEZ001-005-011-202200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 255 PM MDT WED JUN 20 1990 ...STRONG THUNDERSTORM OVER THE NORTH NEBRASKA PANHANDLE... AT 250 PM MDT...RADAR INDICATED A STRONG THUNDERSTORM OVER THE NORTH NEBRASKA PANHANDLE...10 MILES SOUTHWEST OF CHADRON NEBRASKA. THE STORM WAS MOVING EAST AT 30 MILES AN HOUR AND SHOULD REACH THE CHADRON STATE PARK AREA BEFORE 315 PM MDT. CAMPERS AT CHADRON STATE PARK AND RESIDENTS AND MOTORISTS IN DAWES COUNTY OF THE NORTHERN NEBRASKA PANHANDLE SHOULD EXPECT BRIEF HEAVY RAIN...GUSTY WIND AND DANGEROUS LIGHTNING WITH THE PASSAGE OF THIS THUNDERSTORM UNTIL 400 PM MDT. WIRTH
Special weather statement, Jun 20, 3:38 PM MDT, 4 hours 56 minutes before
NEZ001-005-011-202230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 335 PM MDT WED JUN 20 1990 ...THUNDERSTORM GAINING STRENGTH OVER THE NORTH NEBRASKA PANHANDLE... AT 330 PM MDT...RADAR INDICATED A VERY STRONG THUNDERSTORM OVER THE NORTHERN NEBRASKA PANHANDLE 20 MILES SOUTHEAST OF CHADRON NEBRASKA OR 30 MILES NORTH OF ALLIANCE NEBRASKA. THE STORM WAS MOVING SOUTHEAST AT 30 MILES AN HOUR AND WILL PASS TO THE SOUTH OF HAY SPRINGS NEBRASKA AND ACROSS CENTRAL SHERIDAN COUNTY OF THE NORTH NEBRASKA PANHANDLE UNTIL 430 PM MDT. BRIEF HEAVY RAIN...SMALL HAIL...GUSTY WIND AND DANGEROUS LIGHTNING CAN BE EXPECTED WITH THE PASSAGE OF THIS THUNDERSTORM. PEOPLE ACROSS CENTRAL SHERIDAN COUNTY SHOULD REMAIN ALERT FOR THE APPROACH OF THIS STORM AND BE PREPARED TO MOVE TO A SAFE SHELTER. WIRTH
Special weather statement, Jun 20, 4:32 PM MDT, 4 hours 2 minutes before
NEZ001-202330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 432 PM MDT WED JUN 20 1990 ...A STRONG THUNDERSTORM WAS MOVING ACROSS THE NORTH NEBRASKA PANHANDLE... AT 430 PM MDT...A STRONG THUNDERSTORM WAS MOVING ACROSS SOUTHERN SHERIDAN COUNTY OF THE NORTH NEBRASKA PANHANDLE. THE STORM WAS LOCATED 30 MILES NORTHEAST OF ALLIANCE NEBRASKA AND WAS MOVING SOUTHEAST AT 30 MPH. BRIEF HEAVY RAIN...SMALL HAIL...AND GUSTY WIND AR$E POSSIBLE WITH THIS STORM AS IT MOVES ACROSS SOUTHERN SHERIDAN COUNTY OF THE NEBRASKA PANHANDLE UNTIL 530 PM MDT. PLISCHKE
Special weather statement, Jun 20, 6:17 PM MDT, 2 hours 17 minutes before
NEZ001-210130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 613 PM MDT WED JUN 20 1990 ...A STRONG THUNDERSTORM WAS MOVING INTO THE NEBRASKA PANHANDLE... AT 610 PM MDT...RADAR INDICATED A STRONG THUNDERSTORM ENTERING THE NORTHERN NEBRASKA PANHANDLE FROM WYOMING. THE STORM WAS LOCATED 10 MILES NORTHWEST OF HARRISON NEBRASKA...OR 60 MILES WEST OF CHADRON NEBRASKA. THE STORM WAS MOVING SOUTHEAST AT 30 MPH AND WILL BE ENTERING NORTHERN SIOUX COUNTY OF THE NEBRASKA PANHANDLE. THE CITY OF HARRISON NEBRASKA IN NORTHERN SIOUX COUNTY IS IN THE PATH OF THIS STORM. THIS STORM WILL BE OVER HARRISON BETWEEN 625 PM AND 640 PM MDT. BRIEF HEAVY RAIN...SMALL HAIL...AND GUSTY WIN:D ARE POSSIBLE WITH THIS STORM AS IT MOVES ACROSS SIOUX COUNTY OF THE NEBRASKA PANHANDLE UNTIL 730 PM MDT. PLISCHKE
Special weather statement, Jun 20, 7:25 PM MDT, 1 hour 9 minutes before
NEZ001-210230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 723 PM MDT WED JUN 20 1990 ...STRONG THUNDERSTORMS ARE MOVING ACROSS THE NORTHERN NEBRASKA PANHANDLE... AT 720 PM MDT...RADAR INDICATED THUNDERSTORMS IN THE NORTHERN NEBRASKA PANHANDLE. THE STRONGEST WAS LOCATED 45 MILES NORTHWEST OF ALLIANCE NEBRASKA IN THE NORTHWEST CORNER OF BOX BUTTE COUNTY. THE STORM WAS MOVING SOUTHEAST AT 30 MPH AND WILL PASS JUST SOUTHWEST OF THE TOWN OF MARSLAND...WHICH IS 35 MILES NORTHWEST OF ALLIANCE. BRIEF HEAVY RAIN...HAIL...AND GUSTY WIND ARE LIKELY WITH THESE STORMS AS THEY MOVE ACROSS THE NORTHERN NEBRASKA PANHANDLE COUNTIES OF BOX BUTTE...DAWES AND SHERIDAN UNTIL 830 PM MDT. PLISCHKE
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:44 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte | 61 min |
| Jun 20, 9:24 PM MDT | Severe Thunderstorm Warning | CYS | Garden | 43 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1990Every severe thunderstorm warning in 1990
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.