Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 36, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 7, 1990, 2:07 AM MDT for Banner County, Morrill County, Scotts Bluff County, Nebraska. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- Jun 7, 1990, 2:07 AM MDT (08:07 UTC)
- Expired
- Jun 7, 1990, 2:55 AM MDT
- In force
- 48 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties Banner County, NE, 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.
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 8.1 hours before the alert went out and 205 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
- 1329 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 2428 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
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 6, 11:12 PM MDT, 2 hours 55 minutes before
WYZ012-017-070540- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 1110 PM MDT WED JUN 6 1990 ...A TORNADO WATCH CONTINUES FOR SOUTHEAST WYOMING UNTIL 200 AM MDT THURSDAY MORNING... A LINE OF THUNDERSTORMS HAD DEVELOPED SINCE 1045 PM AND EXTENDED FROM EAST OF DOUGLAS TO NORTH OF LARAMIE. THE LINE WAS MOVING EAST AROUND 25 MILES AN HOUR. HEAVY RAIN AND SMALL HAIL WERE REPORTED WITH ONE OF THE STORMS IN THE LINE AT GLENDO...SOME 25 MILES SOUTHEAST OF DOUGLAS ...AROUND 1100 PM. PEOPLE IN SOUTHEAST WYOMING SHOULD REMAIN ALERT FOR THUNDERSTORM DEVELOPMENT UNTIL 200 AM MDT. A FEW STORMS COULD STILL BECOME SEVERE PRODUCING LARGE HAIL...DAMAGING WINDS AND POSSIBLY EVEN A TORNADO. A TORNADO WATCH REMAINS IN EFFECT FOR SOUTHEAST WYOMING UNTIL 200 AM MDT THURSDAY MORNING. HATTEN
Special weather statement, Jun 6, 11:53 PM MDT, 2 hours 14 minutes before
NEZ001-005-011-070800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 1150 PM MDT WED JUN 6 1990 ...A LINE OF THUNDERSTORMS WAS MOVING TOWARD THE NEBRASKA PANHANDLE... ...TORNADO WATCH FOR NEBRASKA PANHANDLE UNTIL 2 AM MDT... AT 1145 PM MDT...A LINE OF VERY STRONG THUNDERSTORMS WAS MOVING ACROSS EASTERN WYOMING AND WILL ENTER THE WESTERN NEBRASKA PANHANDLE AFTER MIDNIGHT MDT. THE LINE OF STORMS WAS MOVING EAST AT 35 MILES AN HOUR. THE PROJECTED MOVEMENT OF THE STORMS WILL PLACE THE NORTHERN END OF THE LINE INTO WESTERN SIOUX COUNTY OF THE NORTH NEBRASKA PANHANDLE AROUND 1215 AM MDT...AND INTO WESTERN SCOTTS BLUFF COUNTY OF THE CENTRAL PANHANDLE BY 100 AM MDT. BRIEF HEAVY RAIN...STRONG WIND AND HAIL ARE POSSIBLE WITH THE PASSAGE OF THESE STORMS AS THEY MOVE ACROSS SIOUX AND SCOTTS BLUFF COUNTIES OF THE NEBRASKA PANHANDLE UNTIL 200 AM MDT. A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM MDT OVER THE ENTIRE NEBSRASKA PANHANDLE. THE NATIONAL WEATHER SERVICE IN SCOTTSBLUFF NEBRASKA STRONGLY RECOMMENDS THAT YOU CONTINUE TO MONITOR THIS STATION FOR FURTHER STATEMENTS OR WARNINGS. WIRTH
Special weather statement, Jun 6, 11:57 PM MDT, 2 hours 10 minutes before
WYZ012-017-070630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 1155 PM MDT WED JUN 6 1990 ...A TORNADO WATCH CONTINUES FOR SOUTHEAST WYOMING UNTIL 200 AM MDT THURSDAY MORNING... AT 1145 PM MDT RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM LUSK TO WHEATLAND WYOMING MOVING EAST AT 30 MILES AN HOUR. HEAVY RAIN AND PEA SIZE HAIL COVERING THE GROUND WERE COMMON WITH THE STORMS IN THIS LINE. THUNDERSTORMS WILL CONTINUE OVER SOUTHEAST WYOMING INTO EARLY THURSDAY MORNING. A FEW OF THE STORMS COULD STILL BECOME SEVERE UNTIL 200 AM MDT PRODUCING LARGE HAIL...DAMAGING WINDS AND POSSIBLY EVEN A TORNADO. A TORNADO WATCH REMAINS IN EFFECT FOR SOUTHEAST WYOMING UNTIL0 200 AM MDT THURSDAY MORNING. < HATTEN
Special weather statement, Jun 7, 12:53 AM MDT, 1 hour 14 minutes before
NEZ001-005-011-070800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 1250 AM MDT WED JUN 6 1990 ...STRONG THUNDERSTORMS WERE MOVING ACROSS THE NORTH NEBRASKA PANHANDLE... ...TORNADO WATCH FOR NEBRASKA PANHANDLE UNTIL 2 AM MDT... AT 1245 AM MDT...A LINE OF STRONG THUNDERSTORMS WAS MOVING ACROSS THE CENTRAL AND NORTH NEBRASKA PANHANDLE FROM 20 MILES WEST OF CHADRON NEBRASKA IN THE NORTH PANHANDLE TO 35 MILES WEST OF SCOTTSBLUFF NEBRASKA IN THE CENTRAL PANHANDLE. THE LINE OF STORMS WAS MOVING SOUTHEAST AT 25 MILES AN HOUR. OTHER NUMEROUS THUNDERSTORMS HAD ALSO DEVELOPED AHEAD OF THE LINE OF THUNDERSTORMS ACROSS BOX BUTTE...SIOUX AND DAWES COUNTIES IN THE NORTHERN PANHANDLE. THESE STORMS WERE MOVING EAST AT 30 MILES AN HOUR. BRIEF HEAVY RAIN...STRONG WIND AND HAIL ARE POSSIBLE WITH THE PASSAGE OF THESE STORMS OVER SCOTTS BLUFF COUNTY IN THE CENTRAL PANHANDLE... AND SIOUX...DAWES...AND BOX BUTTE COUNTIES OF THE NORTH NEBRASKA PANHANDLE UNTIL 200 AM MDT. A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM MDT OVER THE ENTIRE NEBRASKA PANHANDLE. PEOPLE IN THE WATCH AREA SHOULD REMAIN ALERT AND BE PREPARED TO MOVE TO A REINFORCED SHELTER IF THREATENING WEATHER APPROACHES. WIRTH
Special weather statement, Jun 7, 1:37 AM MDT, 30 minutes before
NEZ001-005-011-070830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 135 AM MDT WED JUN 6 1990 ...A LINE OF STRONG THUNDERSTORMS CONTINUES TO DEVELOP AND MOVE ACROSS THE NORTHERN AND WESTERN NEBRASKA PANHANDLE... ...TORNADO WATCH FOR NEBRASKA PANHANDLE UNTIL 2 AM MDT... AT 130 AM MDT...A LINE OF STRONG THUNDERSTORMS CONTINUED TO DEVELOP AN MOVE ACROSS THE NEBRASKA PANHANDLE FROM CHADRON NEBRASKA TO 10 MILES NORTHWEST TO 45 MILES SOUTHWEST OF SCOTTSBLUFF NEBRASKA. THE LINE OF STORMS WAS MOVING SOUTHEAST AT 25 MILES AN HOUR. OTHER NUMEROUS THUNDERSTORMS WERE ALSO AHEAD OF THE LINE OF THUNDERSTORMS ACROSS THE NORTHERN PANHANDLE IN BOX BUTTE...DAWES AND SHERIDAN COUNTIES. THESE STORMS WERE MOVING EAST AT 35 MILES AN HOUR. BRIEF HEAVY RAIN...STRONG WIND AND HAIL...ALONG WITH VERY DANGEROUS LIGHTNING ARE LIKELY WITH THESE STORMS AS THEY MOVE ACROSS DAWES... BOX BUTTE AND SHERIDAN COUNTIES OF THE NORTHERN NEBRASKA PANHANDLE AND SCOTTS BLUFF AND BANNER COUNTIES OF THE CENTRAL PANHANDLE AND KIMBALL COUNTY IN THE SOUTH PANHANDLE UNTIL 230 AM MDT THIS MORNING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM MDT OVER THE ENTIRE NEBRASKA PANHANDLE. PEOPLE IN THE WATCH AREA SHOULD REMAIN ALERT AND BE PREPARED TO MOVE TO A REINFORCED SHELTER IFT THREATENING WEATHER APPROACHES. WIRTH
Special weather statement, Jun 7, 1:50 AM MDT, 17 minutes before
WYZ012-017-070850- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 150 AM MDT THU JUN 7 1990 ...THE TORNADO WATCH FOR SOUTHEAST WYOMING HAS BEEN ALLOWED TO EXPIRE... AT 145 AM MDT...RADAR AND SATELLITE INDICATED THAT THE LINE OF THUNDERSTORMS IN SOUTHEAST WYOMING HAD MOVED RAPIDLY INTO WESTERN NEBRASKA. NO FURTHER THUNDERSTORM DEVELOPMENT IS EXPECTED THIS MORNING OVER SOUTHEAST WYOMING. ONCE AGAIN...THE TORNADO WATCH FOR SOUTHEAST WYOMING HAS BEEN ALLOWED TO EXPIRE. DJV
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 6:00 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 40 min |
| Jun 6, 8:12 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Kimball | 57 min |
| Jun 6, 10:12 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Kimball | 28 min |
| Jun 7, 1:53 AM MDT | Severe Thunderstorm Warning | CYS | Banner | 67 min |
| Jun 6, 7:50 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 40 min |
| Jun 6, 8:36 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 69 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.