Alert archive / Nebraska / Tornado Warnings in 1991
Tornado Warning 18, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Jun 5, 1991, 6:34 PM MDT for Scotts Bluff County, Nebraska. It was in force for 26 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 5, 1991, 6:34 PM MDT (00:34 UTC)
- Expired
- Jun 5, 1991, 7:00 PM MDT
- In force
- 26 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Scotts Bluff County, NE
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 5, 6:41 PM MDT | Thunderstorm Wind 61 | Scotts Bluff, NE |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 0.6 hours before the alert went out and 224 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
- 2407 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 222 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 060034
TORBFF
NEC157-060100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
634 PM MDT WED JUN 5 1991
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 700 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTY
IN THE PANHANDLE OF NEBRASKA
NORTHWEST SCOTTS BLUFF
AT 632 PM MDT...A TORNADO WAS INDICATED BY RADAR 5 MILES NORTHWEST
OF SCOTTSBLUFF...NEAR THE NEBRASKA UNIVERSITY RESEARCH FARM. THE
STORM WAS MOVING NORTHEAST AT 15 MPH.
THE SEVERE THUNDERSTORM WARNING FOR WESTERN SCOTTS BLUFF COUNTY IS
REPLACED BY THIS WARNING...HOWEVER...THE WARNING CONTINUES FOR
SOUTHERN SIOUX COUNTY.
IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...TAKE SHELTER IN A CULVERT...DITCH OR
LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
DO NOT TRY TO OUTRUN A TORNADO IN A CAR. CARS ARE EASILY TOSSED
AROUND BY TORNADOES_. IF YOU ARE CAUGHT IN THE PATH OF A TORNADO...
LEAVE THE CAR AND GO TO A REINFORCED BUILDING. IF NO STRUCTURE IS
NEARBY...TAKE SHELTER IN A DITCH OR LOW SPOT AWAY FROM THE VEHICLE.
TAKE COVER NOW.
PFEIFFERWhat forecasters said that day
The local office's own words before this tornado 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 5, 2:26 PM MDT, 4 hours 8 minutes before
WYZ012-017-052230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 225 PM MDT WED JUN 5 1991 ...THUNDERSTORMS CONTINUED IN SOUTHEAST WYOMING AND WERE MOVING INTO WESTERN LARAMIE AND PLATTE COUNTIES... AT 220 PM MDT...RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN AND SMALL HAIL HAD MOVED INTO LARAMIE AND PLATTE COUNTIES OF SOUTHEAST WYOMING. THESE THUNDERSTORMS WERE LIKELY PRODUCING STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. THE STORNGEST THUNDERSTORMS WERE 30 MILES WEST OF CHEYENNE AND 30 MILES SOUTHWEST OF WHEATLAND. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 10 TO 15 MILES AN HOUR. WITH THE VERY HEAVY RAIN AND SLOW MOVEMENT... SOME FLOODING MAY OCCUR. PEOPLE IN WESTlERN PLATTE AND WESTERN LARAMIE COUNTIES INCLUDING THE TOWNS OF WHEATLAND...CHUGWATER AND CHEYENNE SHOULD BE ALERT FOR THUNDERSTORMS THIS AFTERNOON. MOVE IMMEDIATELY TO SHELTER IF THUNDERSTORMS APPROACH BAKER
Special weather statement, Jun 5, 3:11 PM MDT, 3 hours 23 minutes before
WYZ012-016-017-052330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 310 PM MDT WED JUN 5 1991 ...A TORNADO WATCH HAS BEEN ISSUED PARTS OF SOUTHEAST WYOMING UNTIL 9 PM... A TORNADO WATCH HAS BEEN ISSUED FOR PARTS OF SOUTHEAST WYOMING INCLUDING CONVERSE...PLATTE...ALBANY...NIOBRARA...GOSHEN AND LARAMIE COUNTIES. SOME OF THE TOWNS IN THE WATCH AREA INCLUDE...LUSK...DOUGLAS...GLENROCK... LARAMIE...WHEATLAND...TORRINGTON...ROCK RIVER...CHEYENNE AND PINE BLUFFS. THUNDERSTORMS CONTINUED TO DEVELOP AND MOVE ACROSS SOUTHEAST WYOMING THIS AFTERNOON. AT 300 PM SOME OF THE STRONGEST THUNDERSTORMS WERE 15 MILES SOUTHWEST OF WHEATLAND AND 15 MILES NORTHWEST OF DOUGLAS. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 20 MILES AN HOUR. THUNDERSTORMS IN SOUTHEAST WYOMING THIS AFTERNOON AND THIS EVENING MAY PRODUCE TORNADOES...HAIL...VERY HEAVY RAIN...DAMAGING WINDS AND DANGEROUS LIGHTNING. < PEOPLE IN SOUTHEAST WYOMING SHOULD BE ALERT FOR THUNDERSTORMS. IF A THUNDERSTORM APPROACHES...MOVE TO SHELTER IN A STRONG BUILDING. MOBILE HOMES ARE NOT SAFE SHELTER FROM TORNADOES. MOVE TO THE LOWEST LEVEL AND TO AN INTERIOR ROOM OF THE BUILDING. AVOID WINDOWS AND ELECTRICAL EQUIPMENT WHEN THUNDERSTORMS ARE NEAR. BAKER
Special weather statement, Jun 5, 4:25 PM MDT, 2 hours 9 minutes before
WYZ012-016-017-052330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 420 PM MDT WED JUN 5 1991 ...A TORNADO WATCH HAS BEEN ISSUED PARTS OF SOUTHEAST WYOMING UNTIL 9 PM... THUNDERSTORMS HAVE INCREASED IN COVERAGE OVER SOUTHEAST WYOMING SINCE ABOUT 330 PM MDT. THE CITIES OF LARAMIE...ROCK RIVER...WHEATLAND... CHUGWATER...CHEYENNE...AND CARPENTER HAVE HAD THUNDERSTORMS DURING THE PAST HOUR. HOWEVER...NO SEVERE WEATHER HAS BEEN REPORTED SO FAR. THE STRONGER STORMS HAVE PRODUCED ONE QUARTER TO FIVE EIGHTHS INCH HAIL. AT 420 PM RADAR SHOWED THE STRONGEST THUNDERSTORM WAS PASSING THROUGH THE CARPENTER AREA. CARPENTER IS ABOUT 24 MILES EAST SOUTHEAST OF CHEYENNE ALONG THE COLORADO BORDER. HEAVY RAIN...FREQUENT LIGHTNING... MARBLE SIZED OR LARGER HAIL AND WIND GUSTS OVER 50 MILES AN HOUR ARE POSSIBLE WITH THIS STORM. < THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. THE CARPENTER AREA CAN EXPECT VERY STRONG THUNDERSTORMS BETWEEN NOW AND 500 PM MDT. PEOPLE IN SOUTHEAST WYOMING SHOULD BE ALERT FOR THUNDERSTORMS. IF A THUNDERSTORM APPROACHES...MOVE TO SHELTER IN A STRONG BUILDING. MOBILE HOMES ARE NOT SAFE SHELTER FROM TORNADOES. MOVE TO THE LOWEST LEVEL "AND TO AN INTERIOR ROOM OF THE BUILDING. AVOID WINDOWS AND ELECTRICAL EQUIPMENT WHEN THUNDERSTORMS ARE NEAR. CAS
Special weather statement, Jun 5, 5:04 PM MDT, 1 hour 30 minutes before
NEZ001-005-011-060000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 502 PM MDT WED JUN 5 1991 ...TORNADO WATCH 488 UNTIL 9 PM MDT FOR MOST OF NEBRASKA PANHANDLE... AT 500 PM MDT...RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM 70 MILES WEST OF SIDNEY TO 60 MILES WEST IF CHADRON NEBRASKA IN EXTREME EASTERN WYOMING. THE LINE OF THUNDERSTORMS WAS MOVING NORTHEAST AT 20 MPH AND WILL BE ENTERING THE WESTERN NEBRASKA PANHANDLE AFTER 515 PM MDT. BRIEF HEAVY RAIN...STRONG GUSTY WIND...HAIL AND DEADLY LIGHTNING ARE POSSIBLE WITH THESE STORMS AS THEY MOVE INTO THE NEBRASKA PANHANDLE UNTIL 600 PM MDT. TORNADO WATCH 488 IS IN EFFECT FOR MOST OF THE NEBRASKA PANHANDLE UNTIL 9 PM MDT. KYLE
Special weather statement, Jun 5, 5:45 PM MDT, 49 minutes before
WYZ012-060020- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 545 PM MDT WED JUN 5 1991 ...A TORNADO WATCH REMAINS IN EFFECT FOR SOUTHEAST WYOMING UNTIL 900 PM MDT THIS EVENING... AT 535 PM MDT...A LINE OF STRONG THUNDERSTORMS WAS DEVELOPING IN FAR EASTERN GOSHEN COUNTY. THIS LINE OF STORMS WAS LOCATED FROM TORRINGTON TO LAGRANGE..WHICH IS 29 MILES SOUTH OF TORRINGTON...AND WAS MOVING NORTHEAST AT 20 MILES AN HOUR. THESE STORMS SHOULD BE MOVING OUT OF WYOMING AND INTO NEBRASKA BY 620 PM MDT. HEAVY RAIN...STRONG WINDS...FREQUENT LIGHTNING...PEA TO MARBLE SIZED HAIL...AND LOCALIZED STREET FLOODING CAN BE EXPECTED WITH THESE STORMS. IF YOU SEE A STORM APPROACHING...wSEEK SHELTER IMMEDIATELY. PEOPLE IN SOUTHEAST WYOMING ARE REMINDED THAT A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM MDT THIS EVENING. < VIRGILLITO
Special weather statement, Jun 5, 6:26 PM MDT, 8 minutes before
WYZ012-016-017-060100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 625 PM MDT WED JUN 5 1991 ...THE TORNADO WATCH FOR SOUTHEAST WYOMING HAS BEEN CANCELLED... AT 625 PM MDT...THE STRONG THUNDERSTORMS WHICH WERE ALONG THE WYOMING/ NEBRASKA BORDER EARLIER HAD MOVED INTO THE NEBRASKA PANHANDLE. SHOWERS AND THUNDERSTORMS WILL LINGER IN THE BORDER AREA FOR ANOTHER HOUR OR SO...BUT THEY ARE NOT EXPECTED TO BE SEVERE. THEREFORE...THE TORNADO WATCH HAS BEEN CANCELLED AS OF 630 PM MDT. CAS
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 6:08 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff, Sioux | 52 min |
| Jun 5, 6:25 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 50 min |
| Jun 5, 7:00 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Dawes | 39 min |
| Jun 5, 7:00 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff | 39 min |
Nearby
Tornado Warnings in Nebraska, 1991Every tornado warning in 1991Tornadoes in 1991
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.