Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 47, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 20, 1987, 4:49 PM CDT for Dodge County, Fond du Lac County, Wisconsin. It was in force for 56 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
- Jul 20, 1987, 4:49 PM CDT (21:49 UTC)
- Expired
- Jul 20, 1987, 5:45 PM CDT
- In force
- 56 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
Counties Dodge County, WI, Fond du Lac 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 20, 5:03 PM CDT | Thunderstorm Wind 52 | Dodge, 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.8 hours before the alert went out and 107 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
- 3840 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 653 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 20, 3:24 PM CDT, 1 hour 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 330 PM CDT MON JUL 20 1987 ...STRONG THUNDERSTORMS ACROSS NORTH CENTRAL WISCONSIN... AT 330 PM WEATHER RADAR SHOWED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM 40 MILES NORTHEAST OF WAUSAU TO JUST SOUTHEAST OF WAUSAU TO JUST WEST OF WISCONSIN RAPIDS. STRONG GUSTY WINDS AND SOME HAIL ARE POSSIBLE WITH THESE STORMS. WINDS OF UP TO 50 MPH CAN BE EXPECTED. PEOPLE IN THE PATHT OF THESE STRONG STORMS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY. HENTZ
Special weather statement, Jul 20, 3:29 PM CDT, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 325 PM CDT MON JUL 20 1987 ...SEVERE THUNDERSTOEM WATCH IN EFFECT FOR SOUTHERN WISCONSIN UNTIL 9 PM CDT... AT 322 PM CDT WEATHER RADAR INDICATED TWO AREAS OF SHOWERS AND THUNDER- STORMS OVER MUCH OF CENTRAL WISCONSIN. THESE AREAS WERE MOVING TO THE SOUTH-SOUTHEAST AT ABOUT 40 MPH. THE HEAVIEST RAINFALL AREAS SEEMED TO BE ON A LINE THAT EXTENDED FROM REDGRANITE TO FON DU LAC TO 10 MILES SOUTH OF MANITOWOC OR ABOUT 60 MILES NORTH OF MADISON TO 40 MILES SOUTH SOUTHEST OF GREEN BAY. THE SECOND AREA OF SHOWERS AND THUNDERSTORMS FOLLOWS THE FIRST AREA BY ABOUT 50 MILES. IN THAT AREA A LINE OF HEAVY RAIN WAS NOTED FROM 10 MILES ZNORTHWEST OF BLACK RIVER FALLS TO DEXTERVILLE TO STEVENS POINT OR ABOUT 30 MILES NORTH NORTHEAST OF LACROSSE TO 20 MILES SOUTH OF WAUSAU. NO SEVERE WEATHER HAS BEEN REPORTED SINCE 212 PM CDT IN SOUTH CENTRAL WISCONSIN. ADDISON
Special weather statement, Jul 20, 3:36 PM CDT, 1 hour 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 335 PM CDT MON JUL 20 1987 ...GUSTY WINDS AHEAD OF A LINE OF THUNDERSTORMS MOVING INTO NORTHERN WASHINGTON AND OZAUKEE COUNTY... AT 335 PM GUSTY WINDS FROM THUNDERSTORMS IN NORTHERN FOND DU LAC AND SHEYBOYGAN COUNTIES HAVE PUSHED WELL AHEAD OF THE STORMS AND WERE MOVING THROUGH NORTHERN WASHINGTON AND WILL PUSH INTO OZAUKEE COUNTY. THESE WINDS WILL GUST TO NEAR 50 MPH AND `WILL AFFECT THE PORT WASHINGTON AREA. PEAOPLE IN THESE AREAS AND ESPECIALLY BOATERS SHOULD PREPARE FOR THESE GUSTY WINDS. HENTZ
Special weather statement, Jul 20, 3:56 PM CDT, 53 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 355 PM CDT MON JUL 20 1987 ...INTENSE THUNDERSTORMS IN FOND DU LAC AND SHEBOYGAN COUNTIES... GUSTY WINDS AHEAD OF THE STORMS IN DODGE WASHINGTON AND SHEBOYGAN COUNTIES... AT 355 PM WEATHER RADAR INDICATED A LINE OF INTENSE THUNDERSTORMS ACROSS OSHKOSH AND SHEBOYGAN. THESE STORMS WILL SAG INTO DODGE WASHINGTON AND OZAUKEE COUNTIES WITH HEAVY RAINS AND FREQUENT LIGHTNING S~TRIKES. PEOPLE IN DODGE WASHINGTON AND OZAUKEE COUNTIES SHOULD BE SEEK SAFE SHELTER IF THREATENING WEATHER APPROACHES. HENTZ
Special weather statement, Jul 20, 4:24 PM CDT, 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 423 PM CDT MON JUL 20 1987 ...LINE OF THUNDERSTORMS APPROACHING MILWAUKEE COUNTY... AT 420 PM WEATHER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS ACROSS DODGE...WASHINGTON...AND OZAUKEE COUNTIES. AT 415 PM TV 6 IN MILWAUKEE REPORTED 47 MPH WIND GUSTS AND AT 417 PM TV 4 REPORTED 36 MPH WINDS. THESE WINDS ARE GUSTING OUT AHEAD OF THE LINE OF THUNDERSTORMS. 40 MPH WINDS WERE REPORTED AT TIMMERMAN AIRPORT. THE STORMS ARE MOVING TO THE SOUTH AT ABOUT 30 MPH. STRONG GUSTY WINDS ...HEAVY RAINS...AND POSSIBLE HAIL CAN BE EXPECTED WITH THESE STORMS. PERSONS IN THE PATH OF THESE STORMS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND BE PREPARED TO SEEK SAFETY. FIELD
Local storm report, Jul 20, 4:25 PM CDT, 24 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MADISON WI
425 PM CDT MON JUL 20 1987
212 PM CDT WIND DAMAGE IN POYSIPPI FROM STRONG WINDS BY WAUSHARA
COUNTY SHERIFF. POYSIPPI IS IN EASTERN WAUSHARA COUNTY
AND ABOUT 70 MILES NORTH NORTHEAST OF MADISON.
348 PM CDT WIND OF 64 MPH RECORDED 2 MILES NORTHWEST OF NECEDAH.
ALSO PEA SIZE HAIL AT BIG FLATS IN ADAMS COUNTY. A BIG
TREE DOWN IN ADAMS AND ANOTHER AT MONROE CENTER.
352 PM CDT TREES DOWN JUST NORTH OF MAUSTON.
ADDISONThe office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 11:04 AM CDT | Severe Thunderstorm Warning | MKX | Price, Taylor | 56 min |
| Jul 20, 11:29 AM CDT | Severe Thunderstorm Warning | MKX | Clark | 61 min |
| Jul 20, 11:46 AM CDT | Severe Thunderstorm Warning | MKX | Lincoln, Oneida | 44 min |
| Jul 20, 11:46 AM CDT | Severe Thunderstorm Warning | MKX | Vilas | 44 min |
| Jul 20, 12:17 PM CDT | Severe Thunderstorm Warning | MKX | Forest, Langlade | 58 min |
| Jul 20, 12:28 PM CDT | Severe Thunderstorm Warning | MKX | Marathon | 62 min |
| Jul 20, 1:03 PM CDT | Severe Thunderstorm Warning | MKX | Portage | 57 min |
| Jul 20, 3:39 PM CDT | Severe Thunderstorm Warning | MKX | Portage, Wood | 31 min |
| Jul 20, 6:12 PM CDT | Severe Thunderstorm Warning | MKX | Washington, Waukesha | 18 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.