Alert archive / Wisconsin / Tornado Warnings in 1998
Tornado Warning 30, NWS Duluth, MN
NWS Duluth, MN issued this tornado warning at Jun 1, 1998, 5:04 PM CDT for Douglas County, Wisconsin. It was in force for 66 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
- Jun 1, 1998, 5:04 PM CDT (22:04 UTC)
- Expired
- Jun 1, 1998, 6:10 PM CDT
- In force
- 66 min
- Issued by
- NWS Duluth, MN
- Area
- Whole counties
County Douglas County, WI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 1, 5:35 PM CDT | Thunderstorm Wind 61 | Poplar, WI | |
| Jun 1, 5:40 PM CDT | Thunderstorm Wind 55 | Maple, 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.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.1 hours before the alert went out and 223 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
- 1665 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 340 m²/s²
- 0-3 km storm-relative helicity
- 360 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
208 WFUS1 KDLH 012205 RRA TORDLH WIC031-WIZ520-012310- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DULUTH MN 504 PM CDT MON JUN 1 1998 THE NATIONAL WEATHER SERVICE IN DULUTH HAS ISSUED A * TORNADO WARNING FOR... DOUGLAS COUNTY INCLUDING ADJACENT COASTAL WATERS IN NORTHWESTERN WISCONSIN * UNTIL 610 PM CDT * AT 503 PM CDT...AREA LAW ENFORCEMENT INDICATED A TORNADO 3 MILES NORTHWEST OF DULUTH... MOVING SOUTHEAST AT 30 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... SUPERIOR BY 515 PM CDT POPLAR AND PATZAU BY 525 PM CDT GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR MELDE
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Duluth, MN wrote its last area forecast discussion before this tornado warning went out at Jun 1, 2:30 PM CDT, 2 hours 34 minutes earlier.
Area forecast discussion, Jun 1, 2:30 PM CDT, 2 hours 34 minutes before
AREA FORECST DISCUSSION NATIONAL WEATHER SERVICE DULUTH MN 230 PM CDT MON JUN 1 1998 FORECAST FOCUS TONIGHT IS ON PRECIPITATION CHANCES AND SEVERE POTENTIAL ACROSS SOUTHERN CWA. ETA AND NGM IN GENERAL AGREEMENT BUT ETA HANDLING SHORTWAVE MOVING INTO NORTHERN MONTANA BETTER THAN NGM AND ETA FORECASTING MORE QPF. THE ETA IS ALSO FORECASTING MORE UNSTABLE CONDITIONS THIS AFTERNOON AND EVENING WITH HIGHER SURFACE DEWPOINTS THAN NGM. SURFACE MAP SHOWS THAT THE USUALLY MORE MOIST ETA IS UNDERFORECASTING DEWPOINTS IN PARTS OF SOUTHERN MN CWA AT 18Z...THEY ARE IN THE LOWER TO MIDDLE 50S ATTM. SOUTHWEST FLOW ADVECTING IN WARMER AIR AND HIGHER DEWPOINTS CAUSING AIRMASS TO BECOME MORE UNSTABLE. 18Z SURFACE MAP SHOWING LOWER TO MIDDLE 50S SURFACE DEWPOINTS ACROSS MUCH OF WESTERN AND SOUTHERN MN CWA. SATELLITE AND LOOK OUT WINDOW SHOW CU/ACCAS DEVELOPED EARLY THIS AFTERNOON AND LAPS DATA SHOWING LI/S FROM -2 IN SUPERIOR/DULUTH AND SIREN TO -6 OVER SOUTHERN CASS CO. WITH CAPES RANGING FROM 1800 IN SOUTHERN CASS CO. TO 200 IN SUPERIOR/DULUTH. SIGNIFICANT H8 WARM AIR ADVECTION(WAA) WASN/T SUPPLYING ENOUGH LIFT TO CREATE PRECIPITATION FURTHER SOUTH OF WARM FRONT...BUT LAST COUPLE OF RADAR IMAGES SHOWING SHOWERS DEVELOPING. SIGNIFICANT LIFT WILL COME FROM VORT MAX THAT WILL TRACK THROUGH NORTH DAKOTA THIS EVENING AND CONVERGENCE ALONG LOW PRESSURE SYSTEM. THE SURFACE LOW SHOULD CONTINUE TO TRACK SOUTHEAST AND 2 TO 4MB PRESSURE FALLS WERE OCCURRING ACROSS MINNESOTA. IT APPEARS THIS EVENING WILL BE FAIRLY ACTIVE ACROSS SOUTHERN CWA BUT BY 06Z MOST OF MN CWA GETS INTO CAA AND NW WI STARTS CAA BEFORE 12Z. FEEL WITH LOW WET BULB ZERO HEIGHTS...SUFFICIENT INSTABILITY... GOOD CONVERGENCE AND LOW LEVEL SHEAR WITH FRONTAL SYSTEM...SEVERE STORMS ARE POSSIBLE MAINLY SOUTH OF CASS LAKE TO DULUTH TO HURLEY. THE STORMS SHOULD CONTINUE TO FIRE LATE THIS AFTERNOON AND CONTINUE THIS EVENING. FAN/FWC GUIDANCE TEMPERATURES CLOSE AND ACCEPTED. MELDE
The office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 5:40 PM CDT | Severe Thunderstorm Warning | DLH | Bayfield | 60 min |
| Jun 1, 6:26 PM CDT | Severe Thunderstorm Warning | DLH | Ashland | 64 min |
| Jun 1, 6:48 PM CDT | Severe Thunderstorm Warning | DLH | Iron | 62 min |
| Jun 1, 6:50 PM CDT | Severe Thunderstorm Warning | DLH | Douglas | 65 min |
Nearby
Tornado Warnings in Wisconsin, 1998Every tornado warning in 1998Tornadoes in 1998
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.