Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 1, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 10, 1987, 4:50 PM CDT for Rusk County, Wisconsin. It was in force for 40 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 10, 1987, 4:50 PM CDT (21:50 UTC)
- Expired
- May 10, 1987, 5:30 PM CDT
- In force
- 40 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Rusk 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 10, 5:20 PM CDT | Hail 2 | Rusk, 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, 9.8 hours before the alert went out and 206 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
- 2266 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 190 m²/s²
- 0-3 km storm-relative helicity
- 217 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 102208 SVRMSP WIC107-102230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 508 PM CDT SUN MAY 10 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF WEST CENTRAL WISCONSIN... RUSK AT.....A SEVERE THUNDERSTORM WAS LOCATED JUST NORTHWEST OF BRUCE WEST CENTRAL WISCONSIN...OR 10 MILES WEST OF LADYSMITH. THIS STORM WAS MOVING TO THE EAST AT 35 MILES AN HOUR. LADYSMITH IS IN THE PATH OF THIS STORM. REMEMBER SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH..DESTRUCTIVE HAIL..DEADLY LIGHTNING AND VERY HEAVY RAIN. ALSO SEVERE THUN.DERSTORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING..SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF ONE IS SPOTTED.
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, May 10, 2:38 PM CDT, 2 hours 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 235 PM CDT SUN MAY 10 1987 ...THUNDERSTORMS DEVELOPING ACROSS SOUTHERN PARTS OF THE TWIN CITIES METRO AREA... AT 230 PM CDT...THUNDERSTORMS WERE CONTINUING TO DEVELOP AND STRENGTHEN ACROSS THE SOUTHERN SUBURBS OF THE TWIN CITIES METROPOLITAN AREAS. THIS INCLUDED CARVER...SCOTT...AND DAKOTA COUNTIES. THESE STORMS WERE CAPABLE OF PRODUCING SMALL HAIL AND STRONG WINDS ALONG WITH BRIEF HEAVY RAIN ...AND DANGEROUS LIGHTNING STRIKES. THESE STORMS WERE MOVING TO THE EAST WHILE STILL DEVELOPING. METEOROLOGICAL CONDITIONS FAVOR INTENSIFICATION OF THESE THUNDERSTORMS THIS SUNDAY AFTERNOON. THE AREA OF THUNDERSTORMS WILL GRADUALLY EXPAND NORTHEASTWARD. IT IS CONCEIVABLE THAT SOME OF THESE MAY INTENSIFY INTO SEVERE THUNDERSTORMS LATER THIS AFTERNOON. KEEP TUNED. NAISTAT
Special weather statement, May 10, 3:02 PM CDT, 1 hour 48 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 300 PM CDT SUN MAY 10 1987 VERY POWERFUL THUNDERSTORMS SWEPT THROUGH WINONA COUNTY ON THIER WAY INTO WESTERN WISCONSIN...DROPPING GOLFBALL SIZE HAIL AND ALONG WITH TREE LIMBS AND POWER LINES...A LITTLE AFTER 2 00 PM CDT THIS AFTERNOON. THE STORMS MOVED INTO WESTERN WISCONSIN AND GAINED NEW STRENGTH AS THEY HEADED FOR WHITEHALL AND BLACK RIVER FALLS...AND THEN WEAKENED SINCE. AT 245 PM CDT...THUNDERSTORMS WERE CONTINUING TO DEVELOP AND STRENGTHEN ACROSS THE SOUTHERN SUBURBS OF THE TWIN CITIES METROPOLITAN AREAS. THIS INCLUDED CARVER...SCOTT...AND DAKOTA COUNTIES. THESE STORMS WERE CAPABLE OF PRODUCING SMALL HAIL AND STRONG WINDS ALONG WITH BRIEF HEAVY RAIN ...AND DANGEROUS LIGHTNING STRIKES. MOVEMENT WAS TO THE EAST AT 30 MILES AN HOUR. CARLYON
Special weather statement, May 10, 3:16 PM CDT, 1 hour 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 315 PM CDT SUN MAY 10 1987 STRONG THUNDERSTORMS HAVE BEEN MOVING THROUGH THE SOUTH AND WEST METRO AREA OF THE TWIN CITIES. SMALL HAIL AROUND ONE HALF HAIL HAS BEEN REPORTED AT LAKEVILLE..AND APPLE VALLEY WITH THE GROUND GETTING WHITE WITH HAIL AT 310 PM CDT. OTHER STRONG THUNDERSTORMS WERE ALSO MOVING INTO THE LAKE MINNETONKA AREA AND BOATERS SHOULD BE GETTING OFF THE LAKE. THE STRONG THUNDERSTORMS WILL CONTINUE TO BUILD ACROSS THE METRO AREA REACHING THE NORTHERN AND EASTERN SUBURBS INCLUDING THE ST CROIX RIVER AREA BY 400 PM CDT. MORE HAIL IS LIKELY POSSIBLY BRIEFLY UP TO ONE INCH IN DIAMETER IN LOCAL AREAS. ALSO LIGHTNING STRIKES AND WIND GUSTS TO 40 MPH CAN BE EXPECTED IN THE TWIN CITIES METRO AREA IN THE NEXT FEW HOURS. BRANCH
Special weather statement, May 10, 3:47 PM CDT, 1 hour 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 345 PM CDT SUN MAY 10 1987 STRONG THUNDERSTRORMS HAVE CONTINUED ACROSS PORTIONS OF THE TWIN CITIES METROPOLITIAN AREA. SEVERAL OF THESE THUNDERSTORMS HAVE MOVED TO THE EAST INTO THE ST CROIX RIVER. THE HISTORY OF THESE THUNDERSTORM CELLS IS ONE OF BRIEF HEAVY RAIN AND VARIOUS SIZES OF HAIL RANGING FROM QUARTER IN TO AS LARGE AS ONE INCH. THE STRONGEST OF THESE CELLS ALONG THE MINNESOTA/WISCONSIN BORDER WAS EAST OF HINKLEY MOVING INTO BURNETTE COUNTY. ANOTHER CELL TO THE SOUTH ENTERING WISCONSIN NEAR HUDSON HAS PRODUCED 3/4 INCH HAIL. MORE HAIL IS LIKELY..POSSIBLY BRIEFLY UP TO ONE INCH IN DIAMETER IN LOCAL AREAS. ALSO LIGHTNING STRIKES AND WIND GUSTS TO 40 MPH CAN BE EXPECTED IN THE TWIN CITIES METRO AREA IN THE NEXT FEW HOURS. DOMBROWSKY
Special weather statement, May 10, 3:49 PM CDT, 1 hour 1 minute before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 345 PM CDT SUN MAY 10 1987 HAIL PRODUCING THUNDERSTORMS CONTINUED TO PELT AREAS OF THE TWIN CITIES. REPORTS FROM APPLE VALLEY AND LAKEVILLE THROUGH COMO PARK IN ST. PAUL OF MARBLE SIZE AND LARGER HAIL COVERING THE GROUND WITH THESE SLOW MOVING STORMS. SCATTERED...THUNDERSTORMS WITH VERY HEAVY TO INTENSE RAINFALL WERE SPREAD ALL OVER MINNESOTA IN A HELTER SKELTER PATTERN. OTHER STRONG THUNDERSTORMS WERE LOCATED JUST SOUTH OF ST. CLOUD ALONG THE MISSISSIPPI RIVER ALSO ALONG THE MINNESOTA/WISCONSIN BORDER FROM ST. CROIX FALLS NORTH TO DULUTH. THE STORMS IN GENERAL WERE MOVING EAST AT 30 MILES AN HOUR INTO WISCONSIN AND THEN RAPIDLY WEAKENING THE STORMS AROUND THE TWIN CITY METRO AREA WERE DEVELOPING TOWARD THE NORTH AND AT THE SAME TIME BEING PUSHED TO THE EAST ALONG WITH THE REST OF THE STORMS. CARLYON
Special weather statement, May 10, 4:27 PM CDT, 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 425 PM CDT SUN MAY 10 1987 HAIL PRODUCING THUNDERSTORMS MOVED INTO WEST CENTRAL AND NORTHWEST WISCONSIN...THUNDERSTORMS WITH PEA TO MARBLE SIZE HAIL WERE REPORTED DUNN COUNTY JUST EAST OF MENOMONEE MOVING TO THE EAST TOWARD EAU CLAIRE. POWERFUL THUNDERSTORMS WERE MOVING THROUGH WASBURN INTO SAWYER COUNTIES NEAR HAYWARD. OTHER STRONG THUNDERSTORMS WERE LOCATED AROUND EASTERN MINNESOTA MOVING TO THE EAST AT 35 MILES AN HOUR...INTO THE WESTERN HALF OF WISCONSIN. CARLYON
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1987Every severe thunderstorm warning in 1987
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.