Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 12, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at May 27, 1991, 6:29 PM CDT for Portage County, Wisconsin. It was in force for 46 min.
The area
The counties it named.
The facts
- Issued
- May 27, 1991, 6:29 PM CDT (23:29 UTC)
- Expired
- May 27, 1991, 7:15 PM CDT
- In force
- 46 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Portage County, WI
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 11.5 hours before the alert went out and 327 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
- 1238 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 95 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, May 27, 3:44 PM CDT, 2 hours 45 minutes before
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</html>Special weather statement, May 27, 4:32 PM CDT, 1 hour 57 minutes before
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</html>Special weather statement, May 27, 4:33 PM CDT, 1 hour 56 minutes before
WIZ011-272230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 425 PM CDT MON MAY 27 1991 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR JUNEAU AND ADAMS COUNTY UNTIL 900 PM CDT TONIGHT... AT 425 PM CDT RADAR SHOWED NO PRECIPITATION IN THE IMMEDIATE VICINITY OF JUNEAU AND ADAMS COUNTY. THIS WATCH WILL CONTINUE IN EFFECT UNTIL 900 PM THIS EVENING. PIERCE
Special weather statement, May 27, 5:37 PM CDT, 52 minutes before
WIZ011-272340- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 535 PM CDT MON MAY 27 1991 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR JUNEAU AND ADAMS COUNTY UNTIL 900 PM CDT TONIGHT... AT 530 PM CDT RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN AND HAIL NORTHWEST OF JUNEAU AND ADAMS COUNTY MOVING TO THE EAST AT 25 MPH. THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR JUNEAU AND ADAMS COUNTY UNTIL 900 PM THIS EVENING. PIERCE
Special weather statement, May 27, 6:04 PM CDT, 25 minutes before
WIZ007-280000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 600 PM CDT MON MAY 27 1991 ...VERY STRONG THUNDERSTORMS IN NORTH CENTRAL WISCONSIN... AT 600 PM...WEATHER RADAR INDICATED STRONG THUNDERSTORMS IN WESTERN MARATHON AND NORTHWEST WOOD COUNTIES. THE STORMS WERE NEAR SPENCER IN MARATHON COUNTIES...35 MILES WEST SOUTHWEST OF WAUSAU TO MARSHFIELD IN NORTHWEST WOOD COUNTY...26 MILES NORTHWEST OF WISCONSIN RAPIDS. THE STORMS WERE MOVING EAST AT AROUND 30 MPH AND WILL BE EFFECTING THE TOWNS OF HEWITT IN NORTHERN WOOD...AND STRATFORD IN CENTRAL MARATHON COUNTY BY 630 PM. NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS. HOWEVER...THESE STORMS ARE CAPABLE OF PRODUCING HEAVY RAINS...STRONG WINDS...AND HAIL. PERSONS IN MARATHON AND WOOD COUNTIES ARE ADVISED TO STAY ALERT FOR THESE STORMS AND BE PREPARED TO SEEK SAFE SHELTER SHOULD THREATNING WEATHER APPROACH. KOCHIS
Special weather statement, May 27, 6:24 PM CDT, 5 minutes before
WIZ007-280030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 623 PM CDT MON MAY 27 1991 ...VERY STRONG THUNDERSTORMS ENTERING PORTAGE COUNTY... AT 623 PM...WEATHER RADAR INDICATED VERY STRONG THUNDERSTORMS IN EASTERN WOOD AND SOUTHERN MARATHON COUNTIES...ENTERING NORTHWEST PORTAGE COUNTY. THE STORMS WERE FROM NEAR DANCY IN SOUTHERN MARATHON COUNTY...20 MILES SOUTH SOUTHWEST OF WAUSAU TO NEAR MILLADORE IN EASTERN WOOD COUNTY... 14 MILES NORTH OF WISCONSIN RAPIDS TO NEAR JUNCTION CITY IN NORTHWEST PORTAGE COUNTY...11 MILES NORTHWEST OF STEVENS POINT. THESE STORMS WERE MOVING EAST AT AROUND 30 MPH...AND WILL BE NEAR STEVENS POINT BY 645 PM. NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS. HOWEVER...THESE STORMS ARE CAPABLE OF PRODUCING HEAVY RAINS...STRONG WINDS...AND LARGE HAIL. PERSONS IN SOUTHERN MARATHON...EASTERN WOOD...AND NORTHERN PORTAGE COUNTIES ARE ADVISED TO STAY ALERT FOR THESE STORMS A+ND BE PREPARED TO SEEK SHELTER SHOULD THREATENING WEATHER APPROACH. KOCHIS
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 6:07 PM CDT | Severe Thunderstorm Warning | MKX | Marathon, Wood | 53 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1991Every severe thunderstorm warning in 1991
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.