Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 72, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 23, 1987, 2:57 PM CDT for 4 counties in Wisconsin. It was in force for 43 min. 2 reports 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
- Jul 23, 1987, 2:57 PM CDT (19:57 UTC)
- Expired
- Jul 23, 1987, 3:40 PM CDT
- In force
- 43 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Barron County, WI, Chippewa County, WI, Dunn County, WI, 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 |
|---|---|---|---|
| Jul 23, 3:20 PM CDT | Thunderstorm Wind 0 | Chippewa, WI | |
| Jul 23, 3:45 PM CDT | Thunderstorm Wind 0 | Chippewa, 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, 8.0 hours before the alert went out and 167 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
- 575 J/kg
- Mixed-layer CIN
- -138 J/kg
- Mixed-layer LCL
- 1013 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- -25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSP 231957 SVRMSP WIC005-033-107-017-232040- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 257 PM CDT THU JUL 23 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 340 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF WEST CENTRAL WISCONSIN... SOUTHERN BARRON...NORTHERN DUNN...RUSK AND NORTHERN CHIPPEWA AT 245 PM CDT SEVERE THUNDERSTORMS WERE LOCATED OVER EASTERN POLK AND EASTERN ST CROIX COUNTIES. ANOTHER SEVERE THUNDERSTORM WAS LOCATED NEAR CHETEK IN SOUTHEAST BARRON COUNTY. THESE STORMS WERE ROUGHLY 20 TO 40 MILES NORTH AND NORTHWEST OF EAU CLAIRE. THESE STORMS ARE MOVING EAST AT 35 MPH AND WILL BE AFFECTING THE CITIES OF BARRON WHEELER BRUCE CORNELL AND BLOOMER. REMEMBER SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH..DESTRUCTIVE HAIL..DEADLY LIGHTNING AND VERY HEAVY RAIN. ALSO SEVERE THUNDERSTORMS 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. WILLIS
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, Jul 23, 11:42 AM CDT, 3 hours 15 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 1142 AM CDT THU JUL 23 1987 ...STRONG THUNDERSTORM MOVING ACROSS CENTRAL STEARNS COUNTY... AT 1140 RADAR SHOWED A STRONG THUNDERSTORM NEAR ALBANY IN CENTRAL STEARNS COUNTY OF CENTRAL MINNESOTA. ALBANY IS 18 MILES NORTHWEST OF ST CLOUD. THESE THUNDERSTORMS HAVE PRODUCED PEA SIZE HAIL AND SOME HAIL UP TO 1/2 INCH. THE THUNDERSTORMS CONTINUE TO MOVE EAST AT 30 MILES AN HOUR. NO SEVERE WEATHER HAS BEEN REPORTED...HOWEVER PERSONS IN THE PATH OF THESE THUNDERSTORMS CAN EXPECT SMALL HAIL...GUSTY WINDS...AND BRIEF HEAVY RAIN. THESE STORMS WILL MOVE THROUGH THE ST CLOUD AREA BETWEEN 12 NOON CDT AND 1 PM CDT YOUNG
Special weather statement, Jul 23, 12:00 PM CDT, 2 hours 57 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
1155 AM CDT THU JUL 23 1987
..STRONG THUNDERSTORM OVER CENTRAL MINNESOTA..
AT 1140 AM CDT..AN ISOLATED INTENSE THUNDERSTORM WAS OCCURRING OVER
CENTRAL MINNESOTA TO THE WEST OF ST CLOUD NEAR THE TOWN OF ALBANY IN
NORTHERN STEARNS COUNTY.
THIS THUNDERSTORM IS CAPABLE OF PRODUCING HAIL..STRONG GUSTY WINDS ALONG
WITH FREQUENT LIGHTNING STRIKES AND BRIEF HEAVY RAINS AS IT MOVES EAST
AT ABOUT 35 MILES AN HOUR TOWARD THE ST CLOUD AREA.
THIS STRONG THUNDERSTORM WAS PART OF AN AREA OF SHOWERS AND THUNDERSTORMS
REMAINING ACROSS PARTS OF CENTRAL AND EAST CENTRAL MINNESOTA AS WELL AS
NORTHWEST SECTIONS OF WISCONSIN FROM NEAR ALEXANDRIA..TO ST CLOUD AND
MONTICELLO..EAST TOWARD HAYWARD WISCONSIN.
MOVEMENT WAS EAST AT 35 MILES AN HOUR.
SWANBERGThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 2:08 PM CDT | Severe Thunderstorm Warning | MPX | Saint Croix | 52 min |
| Jul 23, 2:30 PM CDT | Severe Thunderstorm Warning | MPX | Polk | 30 min |
| Jul 23, 3:31 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Eau Claire | 59 min |
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.