Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 24, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 1, 1990, 5:33 PM MDT for Morrill County, Nebraska. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- Jun 1, 1990, 5:33 PM MDT (23:33 UTC)
- Expired
- Jun 1, 1990, 6:30 PM MDT
- In force
- 57 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Morrill 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
Denver, CO (KDEN), launched 12:00Z, 11.6 hours before the alert went out and 206 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
- 3029 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 96 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 KBFF 012333
SVRBFF
NEC123-020030-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
533 PM MDT FRI JUN 1 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 630 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE PANHANDLE OF NEBRASKA
NORTHERN MORRILL
AT 531 PM MDT...A SEVERE THUNDERSTORM WAS 25 MILES SOUTHWEST OF
ALLIANCE NEBRASKA OR 15 MILES NORTHWEST OF BRIDGEPORT IN MORRILL
COUNTY. THIS STORM WAS MOVING NORTHEAST AT 15 MILES AN HOUR.
THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
OR NO WARNING...SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE TO A
PLACE OF SAFETY IF ONE xIS SPOTTED.
GIVE REPORTS OF SEVERE WEATHER OR DAMAGE TO A LAW ENFORCEMENT AGENCY
FOR RELAY TO THE NATIONAL WEATHER SERVICE.
PFEIFFERWhat 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 1, 3:04 PM MDT, 2 hours 29 minutes before
WYZ016-017-012105- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 305 PM MDT FRI JUN 1 1990 ...STRONG THUNDERSTORM ALONG THE LARAMIE MOUNTAIN RANGE... AT 300PM A STRONG THUNDERSTORM WAS ABOUT 20 MILES SOUTHWEST OF HORSE CREEK...OR 30 MILES WEST OF CHEYENNE ALONG THE LARAMIE MOUNTAIN RANGE. THE STORM WAS MOVING NORTH AT 20 MILES AN HOUR AND WILL BE 10 MILES NORTHWEST OF HORSE CREEK BY 400PM. EARLIER SMALL HAIL WAS REPORTED WITH THIS THUNDERSTORM. IN ADDITION TO SMALL HAIL...BRIEF HEAVY RAIN AND GUSTY WINDS SHOULD BE EXPECTED WITH THIS STORM. COX
Special weather statement, Jun 1, 3:39 PM MDT, 1 hour 54 minutes before
WYZALL-012135- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 335 PM MDT FRI JUN 1 1990 ...FROST ADVISORY NORTHERN AND CENTRAL VALLEYS TONIGHT... AN UNSEASONABLY COOL AIRMASS OVER WYOMING WILL BRING A THREAT OF FROST TO THE NORTHERN AND CENTRAL VALLEYS OF WYOMING TONIGHT WHERE A FROST ADVISORY HAS BEEN POSTED. SKIES WILL CLEAR AND WINDS WILL BE LIGHT ENOUGH IN THESE AREAS LATE TONIGHT FOR TEMPERATURES TO PLUMMET TO THE FREEZING MARK OR SLIGHTLY BELOW. LINGERING CLOUDINESS AND/OR WINDS IN THE FAR EAST LATE TONIGHT SHOULD MAKE FROST MORE ISOLATED. PEOPLE IN THE NORTHERN AND CENTRAL PORTIONS WITH FROST SENSITIVE PLANTS SHOULD TAKE PRECAUTIONS TO PROTECT THEM BEFORE NIGHCTFALL. OVERNIGHT AND TODAY UP TO FOUR INCHES OF SNOW ACCUMULATED IN THE BIG HORN MOUNTAINS OF NORTH CENTRAL WYOMING. AN INCH OR TWO OF SNOW...OR ADDITIONAL SNOW....IS POSSIBLE IN THE MOUNTAINS OF THE STATE...MAINLY EARLY TONIGHT. COX
Special weather statement, Jun 1, 3:41 PM MDT, 1 hour 52 minutes before
WYZALL-020430- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE CHEYENNE WY 335 PM MDT FRI JUN 1 1990 ...FROST ADVISORY NORTHERN AND CENTRAL VALLEYS TONIGHT... AN UNSEASONABLY COOL AIRMASS OVER WYOMING WILL BRING A THREAT OF FROST TO THE NORTHERN AND CENTRAL VALLEYS OF WYOMING TONIGHT WHERE A FROST ADVISORY HAS BEEN POSTED. SKIES WILL CLEAR AND WINDS WILL BE LIGHT ENOUGH IN THESE AREAS LATE TONIGHT FOR TEMPERATURES TO PLUMMET TO THE FREEZING MARK OR SLIGHTLY BELOW. LINGERING CLOUDINESS AND/OR WINDS IN THE FAR EAST LATE TONIGHT SHOULD MAKE FROST MORE ISOLATED. PEOPLE IN THE NORTHERN AND CENTRAL PORTIONS WITH FROST SENSITIVE PLANTS SHOULD TAKE PRECAUTIONS TO PROTECT THEM BEFORE NIGHTFALL. OVERNIGHT AND TODAY UP TO FOUR INCHES OF SNOW ACCUMULATED IN THE BIG HORN MOUNTAINS OF NORTH CENTRAL WYOMING. AN INCH OR TWO OF SNOW...OR ADDITIONAL SNOW....IS POSSIBLE IN THE MOUNTAINS OF THE STATE...MAINLY EARLY TONIGHTD. COX
Special weather statement, Jun 1, 3:51 PM MDT, 1 hour 42 minutes before
WYZ016-017-012250- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 350 PM MDT FRI JUN 1 1990 ...CLUSTER OF STRONG THUNDERSTORMS IN SOUTHWEST LARAMIE COUNTY... AT 345PM RADAR SHOWED A CLUSTER OF SEVERAL STRONG THUNDERSTORMS IN SOUTHWEST LARAMIE COUNTY. THE STORMS WERE ABOUT 20 MILES WEST OR SOUTHWEST OF CHEYENNE. THE STORMS WERE MOVING TO THE NORTH AT 20 MILES AN HOUR. THERE HAVE BEEN SEVERAL REPORTS OF SMALL HAIL IN EXTREME WNESTERN LARAMIE COUNTY. IN ADDITION TO HAIL...BRIEF HEAVY RAIN AND GUSTY WINDS SHOULD BE EXPECTED WITH THESE STORMS. COX
Special weather statement, Jun 1, 5:09 PM MDT, 24 minutes before
WYZ012-017-012345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 510 PM MDT FRI JUN 1 1990 A LINE OF THUNDERSTORMS IN THE SOUTHEAST CORNER OF WYOMING CONTINUED MOVING EAST ABOUT 30 MILES AN HOUR AT 500 PM MDT. THE STRONGEST STORMS WERE JUST EAST OF CHEYENNE...AND THESE WERE PRODUCING HEAVY RAIN...SMALL HAIL AND GUSTY WINDS. MUCH COOLER AIR WAS PUSHING IN BEHIND THE THUNDERSTORMS WITH SOME WET SNOW FALLING ON THE SUMMIT BETWEEN CHEYENNE AND LARAMIE. TEMPERATURES IN CHEYENNE AND LARAMIE...WHERE LIGHT RAIN WAS FALLING...WERE ONLY BETWEEN 40 AND 45 DEGREES. PEOPLE NEAR THE SOUTHEAST BORDER OF WYOMING SHOULD BE ALERT TO APPROACHING THUNDERSTORMS UNTIL 600 PM MDT. THIS INCLUDES THE TOWNS OF PINE BLUFFS...BURNS...ALBIN AND TORRINGTON AS WELL AS LAGRANGE AND HAWK SPRINGS. < HATTEN
Special weather statement, Jun 1, 5:10 PM MDT, 23 minutes before
NEZ002-020030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE VALENTINE NE ISSUED BY SCOTTSBLUFF NE 608 PM CDT FRI JUN 1 1990 ...THUNDERSTORMS CONTINUE TO MOVE ACROSS CHERRY COUNTY OF NORTHCENTRAL NEBRASKA... ...A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT (900 PM MDT) FOR ALL OF CHERRY COUNTY.. AT 605 PM CDT...RADAR CONTINUED TO INDICATE THUNDERSTORMS IN CHERRY COUNTY OF NORTHCENTRAL NEBRASKA. THE STRONGEST STORMS WERE LOCATED 20 MILES NORTHWEST...45 MILES WEST...AND 55 MILES SOUTHWEST OF VALENTINE NEBRASKA IN CHERRY COUNTY. THE STORMS WERE MOVING NORTH AT 20 MPH. BRIEF HEAVY RAIN...STRONG WIND AND HAIL ARE POSSIBLE WITH THE STORMS AS THEY MOVE ACROSS CHERRY COUNTY OF NORTHCENTRAL NEBRASKA UNTIL 730 PM CDT. ALSO...A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF CHERRY COUNTY UNTIL 1000 PM CDT. FOR YOUR SAFETY...STAY TUNED TO THIS STATION FOR ADDITIONAL NATIONAL WEATHER SERVICE STATEMENTS AND WARNINGS. PLISCHKE b
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 1:06 PM MDT | Severe Thunderstorm Warning | CYS | Sheridan | 69 min |
| Jun 1, 2:17 PM MDT | Severe Thunderstorm Warning | CYS | Garden | 58 min |
| Jun 1, 2:18 PM MDT | Severe Thunderstorm Warning | CYS | Sheridan | 32 min |
| Jun 1, 3:15 PM MDT | Severe Thunderstorm Warning | CYS | Sheridan | 60 min |
| Jun 1, 3:18 PM MDT | Severe Thunderstorm Warning | CYS | Garden | 22 min |
| Jun 1, 4:16 PM MDT | Severe Thunderstorm Warning | CYS | Sheridan | 59 min |
| Jun 1, 4:51 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Sheridan | 54 min |
| Jun 1, 5:48 PM MDT | Tornado Warning | CYS | Morrill | 27 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.