Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 11, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at May 23, 1990, 6:22 PM MDT for Sheridan County, Nebraska. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- May 23, 1990, 6:22 PM MDT (00:22 UTC)
- Expired
- May 23, 1990, 7:22 PM MDT
- In force
- 60 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County 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, 0.4 hours before the alert went out and 178 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
- 588 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 1587 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 207 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 4.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBFF 240028 COR
SVRBFF
NEC161-240130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE...CORRECTED
622 PM MDT WED MAY 23 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 730 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE PANHANDLE OF NEBRASKA
NORTHERN SHERIDAN
AT 6 18 PM MDT...A SEVERE THUNDERSTORM EXTENDED FROM 15 MILES EAST
TO 27 MILES EAST OF CHADRON NEBRASKA IN THE NORTHWEST CORNER OF
SHERIDAN COUNTY. THE STORM WAS MOVING EAST AT 20 MILES AN HOUR. THIS
STORM PRODUCED WINDS OVER 60 MILES AN HOUR AT THE CHADRON AIRPORT.
THE SEVERE THUNDERSTORM WARNING FOR DAWES COUNTY IS NOW CANCELLED.
A SEVERE THUNDERSTORM 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.
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, May 23, 3:09 PM MDT, 3 hours 13 minutes before
WYZ005-021-232200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 310 PM MDT WED MAY 23 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF EASTERN WYOMING UNTIL 800 PM THIS EVENING... STRONG THUNDERSTORMS WERE OVER EXTREME SOUTHERN GOSHEN COUNTY ABOUT 15 MILES WEST OF LA GRANGE AND HAWK SPRINGS. THEY WERE MOVING TO THE EAST 20 MILES AN HOUR. ANOTHER STRONG THUNDERSTORM WAS IN EASTERN LARAMIE COUNTY BETWEEN ALBIN AND PINE BLUFFS NEAR THE NEBRASKA BORDER. REPORTS FROM LAW ENFORCEMENT OFFICERS IN THE AREA SHOW THAT PEA SIZED HAIL...WIND GUSTS TO AROUND 40 MILES AN HOUR AND VERY HEAVY RAIN ARE THE MAIN RESULTS OF THESE STORMS. THIS THUNDERSTORM IS MOVING TO THE SOUTHEAST AT 20 MILES AN HOUR. < BECAUSE THESE STORMS ARE MOVING VERY SLOWLY AND PRODUCING HEAVY RAINS WHICH COULD PRODUCE LOCALIZED FLOODING ALONG SECONDARY ROADS AS WELL AS LOCALLY HAZARDOUS DRIVING. CAS
Special weather statement, May 23, 4:30 PM MDT, 1 hour 52 minutes before
WYZ006-012-017-232320- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 430 PM MDT WED MAY 23 1990 ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR MUCH OF EASTERN WYOMING UNTIL 800 PM MDT THIS EVENING... IN SOUTHEAST WYOMING...THERE WERE SCATTERED THUNDERSTORMS OCCURRING AT 420 PM MDT BUT MOST WERE ALONG THE NEBRASKA/WYOMING STATE LINE. THE STRONGEST STORM WAS JUST EAST OF PINE BLUFFS WYOMING OR 40 MILES EAST OF CHEYENNE. ONE INCH HAIL WAS REPORTED WITH THIS STORM AROUND PINE BLUFFS BETWEEN 330 AND 400 PM BEFORE IT MOVED INTO NEBRASKA. SOME THUNDERSTORMS WILL PERSIST IN SOUTHEAST WYOMING THROUGH THIS EVENING. A FEW SEVERE STORMS WITH LARGE HAIL AND DAMAGING WINDS MAY cALONG AND NEAR THE WYOMING/NEBRASKA STATE LINE UNTIL 800 PM MDT. HATTEN
Local storm report, May 23, 4:33 PM MDT, 1 hour 49 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
433 PM MDT WED MAY 23 1990
TIME EVENT/LOCATION
355 PM MDT KIMBALL COUNTY DEPUTY SHERIFF SIGHTED A TORNADO
IN OPEN COUNTRY 6 1/2 MILES SOUTHWEST OF PINE BLUFFS.
THE TORNADO TOUCHED DOWN BRIEFLY THEN WENT BACK INTO
THE CLOUDS.
330 PM TO ONE-HALF INCH TO ONE INCH DIAMETER HAIL FELL IN
415 PM MDT AND AROeUND PINE BLUFFS.
EKBSpecial weather statement, May 23, 4:36 PM MDT, 1 hour 46 minutes before
WYZ006-012-017-232320- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE CHEYENNE WY 430 PM MDT WED MAY 23 1990 ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR MUCH OF EASTERN WYOMING UNTIL 800 PM MDT THIS EVENING... IN SOUTHEAST WYOMING...THERE WERE SCATTERED THUNDERSTORMS OCCURRING AT 420 PM MDT BUT MOST WERE ALONG THE NEBRASKA/WYOMING STATE LINE. THE STRONGEST STORM WAS JUST EAST OF PINE BLUFFS WYOMING OR 40 MILES EAST OF CHEYENNE. ONE INCH HAIL WAS REPORTED WITH THIS STORM AROUND PINE BLUFFS BETWEEN 330 AND 400 PM BEFORE IT MOVED INTO NEBRASKA. SOME THUNDERSTORMS WILL PERSIST IN SOUTHEAST WYOMING THROUGH THIS EVENING. A FEW SEVERE STORMS WITH LARGE HAIL AND DAMAhGING WINDS MAY OCCUR ALONG AND NEAR THE WYOMING/NEBRASKA STATE LINE UNTIL 800 PM MDT. CORRECTED WORDING LAST SENTENCE HATTEN
Special weather statement, May 23, 5:02 PM MDT, 1 hour 20 minutes before
NEZ001-005-011-240030 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 500PM MDT WED MAY 23 1990 ...SEVERE THUNDERSTORM WATCH 304 UNTIL 8PM MDT NORTHERN AND CENTRAL NEBRASKA PANHANDLE... ...SEVERE THUNDERSTORM WATCH 305 UNTIL 9PM MDT SOUTHERN NEBRASKA PANHANDLE... AT 457 PM MDT...NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS WERE SCATTERED ACROSS MOST OF THE NEBRASKA PANHANDLE. THE STRONGEST STORM WAS LOCATED 30 MILES WEST OF CHADRON NEBRASKA...NORTHEAST OF HARRISON IN NORTHERN SIOUX COUNTY. ANOTHER STRONG STORM EXTENDED FROM 25 MILES TO 35 MILES WEST OF SIDNEY NEBRASKA...ALONG THE NEBRASKA/COLORADO STATELINE IN SOUTHERN KIMBALL COUNTY. THUNDERSTORMS AND SHOWERS IN THE NORTHERN PANHANDLE WERE MOVING EAST AROUND 20 MILES AN HOUR. THE STORMS NEAR THE NEBRASKA/COLORADO STATELINE WERE MOVING SOUTHEAST AT 20 MILES AN HOUR. < HEAVY RAIN...STRONG WINDS...AND SOME HAIL ARE POSSIBLE IN ALL COUNTIES OF THE NEBRASKA PANHANDLE WITH THESE STORMS UNTIL 630 PM MDT. BE ALERT FOR ANY THREATENING WEATHER CONDITIONS. SEVERE THUNDERSTORM WATCHES REMAIN IN EFFECT UNTIL 8PM MDT FOR THE NORTHERN AND CENTRAL NEBRASKA PANHANDLE...AND UNTIL 9PM MDT FOR THE SOUTHERN NEBRASKA PANHANDLE. PFEIFFER
Special weather statement, May 23, 5:41 PM MDT, 41 minutes before
WYZ006-012-017-240015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 540 PM MDT WED MAY 23 1990 ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR MUCH OF EASTERN WYOMING UNTIL 800 PM MDT THIS EVENING... AT 530 PM MDT...ONLY WIDELY SCATTERED THUNDERSTORMS WERE STILL NOTED IN SOUTHEAST WYOMING. THE STRONG THUNDERSTORMS FROM EARLIER IN THE AFTERNOON HAD MOVED OUT OF THE STATE...THOUGH A NEW STORM HAD BEEN DEVELOPING SOME 25 MILES SOUTHEAST OF CHEYENNE. SOME THUNDERSTORMS WILL CONTINUE OVER EASTERN WYOMING INTO THIS EVENING...AND A FEW MAY BECOME SEVERE UNTIL 800 PM MDT. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF EASTERN WYOMING UNTIL 800 PM THIS EVENING.@ IN SOUTHEAST WYOMING...THIS WATCH INCLUDES PLATTE AND GOSHEN COUNTIES BUT NOT LARAMIE COUNTY OR CHEYENNE. < HATTEN
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.