Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 15, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at May 24, 1990, 6:31 PM MDT for Box Butte County, Sheridan County, Nebraska. It was in force for 59 min.
The area
The counties it named.
The facts
- Issued
- May 24, 1990, 6:31 PM MDT (00:31 UTC)
- Expired
- May 24, 1990, 7:30 PM MDT
- In force
- 59 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, 0.5 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
- 827 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 744 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBFF 250031
SVRBFF
NEC161-013-250130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
631 PM MDT THU MAY 24 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 730 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE PANHANDLE OF NEBRASKA
SOUTHERN SHERIDAN...EASTERN BOX BUTTE
AT 627 PM MDT...THE ALLIANCE POLICE DEPARTMENT REPORTED 3/4 INCH
HAIL 7 MILES EAST OF ALLIANCE NEBRASKA. THE STORM WAS MOVING
NORTHEAST AT 25 MILES AN HOUR.
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 D\EBRIS.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER
THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
OR NO ADVANCE WARNING.
WIRTHWhat 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, May 24, 2:24 PM MDT, 4 hours 7 minutes before
NEZ001-005-242230 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 225 PM MDT THU MAY 24 1990 ...TORNADO WATCH UNTIL 700 PM MDT FOR PARTS OF THE CENTRAL AND NORTH NEBRASKA PANHANDLE... AT 225 PM MDT...ONLY A FEW ISOLATED RAINSHOWERS WERE OCCURRING OVER THE NORTHEAST NEBRASKA PANHANDLE SOUTHEAST OF GORDON NEBRASKA. THERE HAVE BEEN NO REPORTS OF SEVERE WEATHER IN THE NEBRASKA PANHANDLE UP UNTIL 225 PM MDT. STRONG THUNDERSTORMS WERE HOWEVER OVER SOUTHEAST WYOMING...NEAR WHEATLAND AND 30 MILES NORTH OF CHEYENNE WYOMING. THESE STORMS DO NOT POSE A THREAT TO THE PANHANDLE OF NEBRASKA AT THIS TIME. A TORNADO WATCH DOES REMAIN IN EFFECT OVER PARTS OF THE NEBRASKA PANHANDL4E UNTIL 700 PM MDT...AND YOU SHOULD CONTINUE TO MONITOR RADIO AND TELEVISION FOR LATER STATEMENTS OR WARNINGS. WIRTH
Special weather statement, May 24, 2:31 PM MDT, 4 hours before
NEZ002-242130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE VALENTINE NE ISSUED BY SCOTTSBLUFF NE 230 PM MDT WED MAY 24 1990 ...STRONG THUNDERSTORM BUILDING OVER NORTHCENTRAL NEBRASKA... AT 225 PM MDT...AN ISOLATED STRONG THUNDERSTORM HAD DEVELOPED OVER SOUTHWEST CHERRY COUNTY IN NORTHCENTRAL NEBRASKA. THE STORM WAS LOCATED 55 MILES NORTHEAST OF ALLIANCE NEBRASKA...OR 70 MILES SOUTHWEST OF VALENTINE NEBRASKA. THE STORM WAS MOVING NORTHEAAST AT 30 MILES AN HOUR. BRIEF HEAVY RAIN AND SMALL HAIL CAN BE EXPECTED WITH THIS STORM UNTIL 330 PM MDT. WIRTH
Special weather statement, May 24, 4:10 PM MDT, 2 hours 21 minutes before
NEZ001-005-011-242300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 410 PM MDT THU MAY 24 1990 ...TORNADO WATCH 308 FOR PARTS OF THE CENTRAL AND NORTH NEBRASKA PANHANDLE UNTIL 700 PM MDT... ...TORNADO WATCH 309 FOR THE SOUTH NEBRASKA PANHANDLE UNTIL 800 PM MDT... AT 405 PM MDT...SCATTERED THUNDERSTORMS WERE DEVELOPING OVER THE WEST NEBRASKA PANHANDLE FROM 30 MILES SOUTHWEST OF SCOTTSBLUFF NEBRASKA TO 50 MILES WEST OF CHADRON NEBRASKA. THE STRONGEST STORM WAS LOCATED OVER THE EXTREME NORTHWEST CORNER OF THE PANHANDLE...OR 50 MILES WEST OF CHADRON NEBRASKA. THE STORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR. BRIEF HEAVY RAIN...GUSTY WINDS AND HAIL CAN BE EXPECTED WITH THE STORM OVER THE WEST OF CHADRON UNTIL 500 PM MDT. TORNADO WATCHES REMAIN IN EFFECT UNTIL 700 PM MDT OVER ALL BUT GARDEN AND SHERIDAN COUNTIES OF THE CENTRAL AND NORTH NEBRASKA PANHANDLE... AND OVER THE SOUTHERN BORDER COUNTIES OF THE PANHANDLE UNTIL 800 PM MDT. WIRTH
Special weather statement, May 24, 5:01 PM MDT, 1 hour 30 minutes before
NEZ001-005-011-250000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 500 PM MDT THU MAY 24 1990 ...TORNADO WATCH 308 FOR PARTS OF THE CENTRAL AND NORTH NEBRASKA PANHANDLE UNTIL 700 PM MDT... ...TORNADO WATCH 309 FOR THE SOUTH NEBRASKA PANHANDLE UNTIL 800 PM MDT... AT 455 PM MDT...A LINE OF THUNDERSTORMS CONTINUED TO GAIN STRENGTH OVER THE NORTHWEST NEBRASKA PANHANDLE FROM NEAR SCOTTSBLUFF NEBRASKA TO 40 MILES NORTHWEST OF CHADRON NEBRASKA. THE STRONGEST OF THE STORMS WERE INDICATED BY RADAR OVER NORTHERN SCOTTS BLUFF AND SOUTHEAST SIOUX SIOUX COUNTIES...OR FROM 40 MILES NORTHWEST OF ALLIANCE TO NEAR SCOTTSBLUFF. THE STORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR. AT 450 PM MDT...ONE QUARTER INCH HAIL AND HEAVY RAIN WAS REPORTED 5 5 MILES SOUTHWEST OF THE SCOTTSBLUFF AIRPORT. BRIEF HEAVY RAIN...AND HAIL IS LIKELY WITH THE APPROACH OF THESE STORMSA AS THEY ENTER INTO WESTERN BOX BUTTE COUNTY OF THE PANHANDLE BY 530 PM MDT. WIRTH
Special weather statement, May 24, 5:14 PM MDT, 1 hour 17 minutes before
NEZ001-005-011-250000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 500 PM MDT THU MAY 24 1990 ...TORNADO WATCH 308 FOR PARTS OF THE CENTRAL AND NORTH NEBRASKA PANHANDLE UNTIL 700 PM MDT... ...TORNADO WATCH 309 FOR THE SOUTH NEBRASKA PANHANDLE UNTIL 800 PM MDT... AT 455 PM MDT...A LINE OF THUNDERSTORMS CONTINUED TO GAIN STRENGTH OVER THE NORTHWEST NEBRASKA PANHANDLE FROM NEAR SCOTTSBLUFF NEBRASKA TO 40 MILES NORTHWEST OF CHADRON NEBRASKA. THE STRONGEST OF THE STORMS WERE INDICATED BY RADAR OVER NORTHERN SCOTTS BLUFF AND SOUTHEAST SIOUX SIOUX COUNTIES...OR FROM 40 MILES NORTHWEST OF ALLIANCE TO NEAR SCOTTSBLUFF. THE STORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR. AT 450 PM MDT...ONE QUARTER INCH HAIL AND HEAVY RAIN WAS REPORTED 5 MILES SOUTHWEST OF THE SCOTTSBLUFF AIRPORT. BRIEF HEAVY RAIN...AND HAIL IS LIKELY WITH THE APPROACH OF THESE STORMS AS THEY ENTER INTO WESTERN BOX BUTTE COUNTY OF THE PANHANDLE BY 530 PM MDT. WIRTH
Special weather statement, May 24, 5:56 PM MDT, 35 minutes before
NEZ001-005-011-250030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 555 PM MDT THU MAY 24 1990 ...TORNADO WATCH 308 FOR PARTS OF THE CENTRAL AND NORTH NEBRASKA PANHANDLE UNTIL 700 PM MDT... ...TORNADO WATCH 309 FOR THE SOUTH NEBRASKA PANHANDLE UNTIL 800 PM MDT... A LINE OF THUNDERSTORMS CONTINUED TO MOVE EAST ACROSS THE NORTH AND CENTRAL NEBRASKA PANHANDLE AT 545 PM MDT. THE LINE OF STORMS EXTENDED FROM 10 MILES NORTHWEST OF CHADRON NEBRASKA TO 10 MILES EAST OF SCOTTSBLUFF NEBRASKA AND WAS MOVING EAST AT 25 MILES AN HOUR. RADAR INDICATED THE STRONGEST OF THE STORMS JUST TO THE SOUTHWEST OF ALLIANCE NEBRASKA. BRIEF HEAVY RAIN...AND HAIL IS LIKELY WITH THE APPROA$CH OF THESE STORMS AS THEY MOVE ACROSS EASTERN DAWES...EASTERN BOX BUTTE AND NORTHERN MORRILL COUNTIES OF THE NEBRASKA PANHANDLE UNTIL 630 PM MDT. WIRTH
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 6:12 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Kimball | 63 min |
| May 24, 6:46 PM MDT | Tornado Warning | CYS | Banner, Kimball | 29 min |
| May 24, 7:20 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne, Morrill | 25 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.