Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 5, NWS Duluth, MN
NWS Duluth, MN issued this severe thunderstorm warning at Jun 12, 1990, 8:43 PM CDT for Oneida County, Wisconsin. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- Jun 12, 1990, 8:43 PM CDT (01:43 UTC)
- Expired
- Jun 12, 1990, 9:30 PM CDT
- In force
- 47 min
- Issued by
- NWS Duluth, MN
- Area
- Whole counties
County Oneida County, WI
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.7 hours before the alert went out and 176 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
- 1537 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 1340 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 6.0
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, Jun 12, 2:43 PM CDT, 6 hours before
WIZ001>004-062040- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DULUTH MN 240 PM CDT TUE JUN 12 1990 ...TORNADO WATCH NUMBER 446 IN EFFECT UNTIL 8 PM CDT... AT 235 PM CDT A LINE OF STRONG THUNDERSTORMS WAS LOCATED JUST TO THE EAST OF DULUTH MINNESOTA. THE LINE OF THUNDERSTORMS EXTENDED FROM 50 MILES NORTHEAST OF DULUTH MINNESOTA OVER WESTERN LAKE SUPERIOR SOUTHWEST INTO DOUGLAS COUNTY WISCONSIN THRU THE POPLAR AREA AND JUST NORTHWEST OF THE SOLON SPRINGS AREA. THE LINE OF THUNDERSTORMS CONTINUED SOUTHWEST INTO EASTERN PINE COUNTY MINNESOTA TO 10 MILES EAST OF SANDSTONE AND HINCKLEY. THE LINE OF STORMS WAS MOVING NORTHEAST AT 50 MILES AN HOUR. TO THE EAST OF THIS LINE OF STORMS SHOULD BE ON THE LOOKOUT FOR THE POSSIBLE APPROACH OF THUNDERSTORMS DURING THE NEXT HOUR..THAT IS.. PERSONS IN THE BRULE..SOLON SPRINGS..AND GORDON AREAS OF DOUGLAS COUNTY..AND PERSONS IN THE IRON RIVER AND PORT WING AREAS OF BAYFIELD COUNTY WISCONSIN. BE PREPARED TO TAKE COVER IF THREATENING WEATHER APPROACHES. OLSON
The office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 8:23 PM CDT | Tornado Warning | DLH | Vilas | 37 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1990Every severe thunderstorm warning in 1990
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.