Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 9, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 23, 1989, 6:57 PM CDT for Dunn County, Pierce County, Saint Croix County, Wisconsin. It was in force for 48 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
- May 23, 1989, 6:57 PM CDT (23:57 UTC)
- Expired
- May 23, 1989, 7:45 PM CDT
- In force
- 48 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Dunn County, WI, Pierce County, WI, Saint Croix County, WI
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 23, 7:17 PM CDT | Hail 0.75 | Pierce, WI |
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
Minneapolis, MN (KSTC), launched 12:00Z, 12.0 hours before the alert went out and 106 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1227 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 270 m²/s²
- 0-3 km storm-relative helicity
- 300 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 KMSP 232359
SVRMSP
WIC033-093-109-240045-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
657 PM CDT TUE MAY 23 1989
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN WEST CENTRAL WISCONSIN
...SOUTHERN DUNN...NORTHEASTERN PIERCE
...SOUTHEASTERN ST CROIX
AT 645 WEATHER RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES NORTHWEST
OF ELLSWORTH IN PIERCE COUNTY. THIS THUNDERSTORM WAS 45 MILES WEST OF
EAU CLAIRE AND WAS MOVING TO THE EAST AT 35 MILES PER HOUR.
CITIES IN THE PATH OF THIS THUNDERSTORM INCLUDE ELMWOOD ON PIERCE
COUNTY... AND MENOMONEE IN DUNN COUNTY.
THUNDERSTORMS IN THIS AREA HAVE A HISTORY OF PRODUCING GOLFBALL SIZE
HAIL.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
WJHWhat 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, 2:00 PM CDT, 4 hours 57 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 155 PM CDT TUE MAY 23 1989 ..SEVERE THUNDERSTORMS BUILDING OVER EXTREME SOUTH CENTRAL MINNESOTA.. A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR AREAS OF SOUTHERN FARIBAULT AND FREEBORN COUNTIES OF EXTREME SOUTH CENTRAL MINNESOTA UNTIL 230 PM. AT 145 PM..WEATHER RADAR INDICATED A CLUSTER OF STRONG AND SEVERE THUNDERSTORMS ALONG AND NORTH OF THE IOWA BORDER NEAR THE TOWN OF BRICELYN WHICH IS ABOUT 15 MILES WEST OF ALBERT LEA. THESE THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR. PERSONS IN THE WARNED AREAS SHOULD BE MOVING TO A PLACE OF SAFETY AS THE THUNDERSTORMS APPROACH FROM THE WEST. ELSEWHERE..STRONG THUNDERSTORMS WERE FORMING OVER EXTREME NORTHWEST WISCONSIN BETWEEN HAYWARD AND SUPERIOR. THESE STORMS WERE MOVING EAST SOUTHEAST AT 40 MILES AN HOUR. OTHER WIDELY SCATTERED LIGHT RAINSHOWERS PERSISTED OVER SOUTHERNZ MINNESOTA FROM NEAR OWATONNA TO NEAR WILLMAR. MOVEMENT WAS EAST AT 35 MILES AN HOUR.
Special weather statement, May 23, 3:02 PM CDT, 3 hours 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 300 PM CDT TUE MAY 23 1989 ...SEVERE WEATHER A GOOD POSSIBILITY IN MINNESOTA THROUGH WEDNESDAY... SPRING HAS BEEN QUIET ACROSS MINNESOTA WHEN IT COMES TO SEVERE WEATHER...BUT THAT IS ABOUT TO CHANGE DRAMATICALLY. A COMBINATION OF WARM HUMID AIR FLOWING INTO MINNESOTA...A STRONG JET STREAM APPROACHING FROM THE WEST...AND A DEVELOPING LOW PRESSURE SYSTEM OVER NEBRASKA ARE ON A COLLISION COURSE. ALL THE PROPER INGREDIENTS ARE EXPECTED TO COME TOGETHER TONIGHT OVER CENTRAL AND SOUTHERN MINNESOTA. THIS METEOROLOGICAL BREW COULD PRODUCE SOME VERY STRONG THUNDERSTORMS TONIGHT WITH VERY HIGH WINDS...LARGE HAIL...HEAVY RAIN...AND THERE MAY BE A TORNADO OR TWO. NORMALLY THE LATE AFTERNOON AND EARLY EVENING ARE THE PRIME TIME FOR SEVERE WEATHER...BUT IN THIS SITUATION VIOLENT THUNDERSTORMS ARE A GOOD POSSIBILITY WELL AFTER DARK. SINCE IT HAS BEEN A COUPLE OF YEARS SINCE MINNESOTA HAS EXPERIENCED AN OUTBREAK OF SEVERE WEATHER PERHAPS OUR GUARD IS DOWN A LITTLE IN PREPARING FOR SEVERE THUNDERSTORMS. THE NATIONAL WEATHER SERVICE RECCOMMENDS YOU PAY CLOSE ATTENTION TO THE WEATHER THIS EVENING AND TONIGHT AND SHOULD SEVERE WEATHER MATERLIZE BE PREPARED TO TAKE PROTECTIVE ACTION. BY WEDNESDAY EVENING THE LOW WILL MOVE INTO MINNESOTA AND THAT COULD TOUCH OFF ANOTHER ROUND OF SEVERE WEATHER ACROSS THE STATE WEDNESDAY AFTERNOON AND EVENING. IN SUMMING UP THE THE SEVERE WEATHER POTENTIAL FOR THE NEXT 24 TO 30 HOURS WILL REMAIN QUITE HIGH IN MINNESOTA. CAMPBELL
Special weather statement, May 23, 3:18 PM CDT, 3 hours 39 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 300 PM CDT TUE MAY 23 1989 ...SEVERE WEATHER A GOOD POSSIBILITY IN MINNESOTA THROUGH WEDNESDAY... SPRING HAS BEEN QUIET ACROSS MINNESOTA WHEN IT COMES TO SEVERE WEATHER...BUT THAT IS ABOUT TO CHANGE DRAMATICALLY. A COMBINATION OF WARM HUMID AIR FLOWING INTO MINNESOTA...A STRONG JET STREAM APPROACHING FROM THE WEST...AND A DEVELOPING LOW PRESSURE SYSTEM OVER NEBRASKA ARE ON A COLLISION COURSE. ALL THE PROPER INGREDIENTS ARE EXPECTED TO COME TOGETHER TONIGHT OVER CENTRAL AND SOUTHERN MINNESOTA. THIS METEOROLOGICAL BREW COULD PRODUCE SOME VERY STRONG THUNDERSTORMS TONIGHT WITH VERY HIGH WINDS...LARGE HAIL...HEAVY RAIN...AND THERE MAY BE A TORNADO OR TWO. NORMALLY THE LATE AFTERNOON AND EARLY EVENING ARE THE PRIME TIME FOR SEVERE WEATHER...BUT IN THIS SITUATION VIOLENT THUNDERSTORMS ARE A GOOD POSSIBILITY WELL AFTER DARK. SINCE IT HAS BEEN A COUPLE OF YEARS SINCE MINNESOTA HAS EXPERIENCED AN OUTBREAK OF SEVERE WEATHER PERHAPS OUR GUARD IS DOWN A LITTLE IN PREPARING FOR SEVERE THUNDERSTORMS. THE NATIONAL WEATHER SERVICE RECCOMMENDS YOU PAY CLOSE ATTENTION TO THE WEATHER THIS EVENING AND TONIGHT AND SHOULD SEVERE WEATHER MATERLIZE BE PREPARED TO TAKE PROTECTIVE ACTION. BY WEDNESDAY EVENING THE LOW WILL MOVE INTO MINNESOTA AND THAT COULD TOUCH OFF ANOTHER ROUND OF SEVERE WEATHER ACROSS THE STATE WEDNESDAY AFTERNOON AND EVENING. IN SUMMING UP THE THE SEVERE WEATHER POTENTIAL FOR THE NEXT 24 TO 30 HOURS WILL REMAIN QUITE HIGH IN MINNESOTA. CAMPBELL
Special weather statement, May 23, 4:47 PM CDT, 2 hours 10 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 445 PM CDT TUE MAY 23 1989 AT 435 PM CDT...A LINE OF THUNDERSTORMS WITH HAIL AND INTENSE RAINFALL WAS LOCATED ALONG THE MISSISSIPPI RIVER BETWEEN WABASHA AND WINONA. THE LINE WAS 20 MILES WIDE WITH THE MOST INTENSE STORM LOCATED JUST SOUTH OF ALMA WISCONSIN. OTHER SHOWERS AND THUNDERSTORMS WERE WIDELY SCATTERED FROM NORTHWEST AND WEST CENTRAL WISCONSIN ACROSS SOUTHERN MINNESOTA. MOVEMENT WAS EAST SPEED WAS NOT DETERMINED. CARLYON
Special weather statement, May 23, 5:47 PM CDT, 1 hour 10 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 540 PM CDT TUE MAY 23 1989 ..INTENSE THUNDERSTORM DEVELOPS OVER SOUTHERN MINNESOTA.. AN INTENSE THUNDERSTORM BUILDING RAPIDLY ACROSS NORTHEAST LE SEUER AND NORTHERN RICE COUNTIES OF SOUTH CENTRAL MINNESOTA. THIS THUNDERSTORM WAS LOCATED JUST SOUTH OF NEW PRAGUE OR ABOUT 10 MILES WEST OF NORTHFIELD. VERY HEAVY RAINS..FREQUENT LIGHTNING STRIKES..STRONG GUSTY WINDS ALONG WITH THE POTENTIAL FOR HAIL CAN BE EXPECTED AS THIS STORM MOVES EAST AT 35 MILES AN HOUR. ELSEWHERE..INTENSE THUNDERSTORMS CONTINUED OVER FAR WESTERN WISCONSIN IN AREAS JUST NORTH AND NORTHEAST OF LA CROSSE. SOME OF THESE THUNDERSTORMS HAVE HAD A HISTORY OF PRODUCING HAIL UP TO GOLFBALL SIZE. < THESE STORMS WERE MOVING EAST AT 35 TO 40 MILES AN HOUR ACROSS PORTIONS OF BUFFALO..TREMPEALEAU AND MONROE COUNTIES. FURTHER WEST..A NEW AREA OF THUNDERSTORMS WAS FORMING OVER THE FAR SOUTHWEST CORNER OF MINNESOTA. THE MOVEMENT ON THIS NEW DEVELOPMENT HAD NOT YET BEEN DETERMINED. CONDITIONS REMAIN VERY UNSTABLE ACROSS MINNESOTA AND WISCONSIN SO PERSONS SHOULD KEEP ABREAST OF RAPIDLY CHANGING WEATHER SITUATION. SWANBERG
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1989Every severe thunderstorm warning in 1989
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.