Alert archive / Wisconsin / Tornado Warnings in 1998
Tornado Warning 19, NWS Duluth, MN
NWS Duluth, MN issued this tornado warning at May 15, 1998, 8:11 PM CDT for Ashland County, Wisconsin. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 15, 1998, 8:11 PM CDT (01:11 UTC)
- Expired
- May 15, 1998, 8:45 PM CDT
- In force
- 34 min
- Issued by
- NWS Duluth, MN
- Area
- Whole counties
County Ashland County, WI
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 15, 4:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 1.2 hours before the alert went out and 290 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
- 1770 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
199 WFUS1 KDLH 160113 RRA TORDLH WIC003-WIZ510-523-160145- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DULUTH MN 811 PM CDT FRI MAY 15 1998 THE NATIONAL WEATHER SERVICE IN DULUTH HAS ISSUED A * TORNADO WARNING FOR... NORTHWESTERN ASHLAND COUNTY INCLUDING ADJACENT COASTAL WATERS IN NORTHWESTERN WISCONSIN * UNTIL 845 PM CDT * AT 810 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 15 MILES SOUTHWEST OF ASHLAND... MOVING MOVING NORTHEAST AT 45 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... CITY OF ASHLAND AT 830 PM CDT GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR EOM
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 May 15, 2:00 PM CDT, 6 hours 11 minutes earlier.
Area forecast discussion, May 15, 2:00 PM CDT, 6 hours 11 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DULUTH MN 200 PM CDT FRI MAY 15 1998 LOW PRESSURE IS SUPPOSED TO MOVE NORTHWARD THROUGH EASTERN MN TONIGHT. THE ETA IS THE WEAKEST...FURTHEST WEST...AND FASTEST. THE NGM MOVES THE LOW RIGHT OVER DLH...CENTERING IT HALFWAY UP THE U.S. NORTH SHORE SATURDAY MORNING. RAIN IS CERTAIN AND THUNDER IS CEERTAIN WITH A STRONG WEST WIND EXPECTED TO FOLLOW. ATTM...A COMPLEX OF MERGING CELLS IS MOVING NORTH INTO SOUTHERN MN. THE MOST GROWTH AND LIGHTNING IS IN WEST-CENTRAL IOWA...WITH THE LARGE CIRRUS SHIELD OVER THE SOUTHERN HALF OF MN WARMING. THE RUC HAS SURFACE 70F /21C/ DEW POINTS SWEEPING UP THROUGH IL AND WI... THEN SPREADING NORTHWESTWARD INTO THE DLH AREA THIS EVENING. THE LACK OF STORM DEVELOPMENT ALONG THAT PATH INDICATES THAT THE MOISTURE WILL ACTUALLY GET HERE AND FEED STORMS IN THIS AREA. EOM
In the hours before
Special weather statement, May 15, 5:04 PM CDT, 3 hours 7 minutes before
MNZ010>012-019>021-025-026-033>038-WIZ001>004-006>009-160000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DULUTH MN 504 PM CDT FRI MAY 15 1998 ...SEVERE LINE OF THUNDERSTORMS TO MOVE INTO THE NORTHLAND... AT 500 PM CDT...THE DULUTH DOPPLER RADAR HAD LOCATED A LINE OF SEVERE THUNDERSTORMS MOVING NORTHWARD THROUGH THE NORTHERN TWIN CITIES METRO AREA AT OVER 65 MILES AN HOUR. THESE THUNDERSTORMS HAVE HAD A HISTORY OF PRODUCING WINDS GUSTS TO 90 MILES AN HOUR AS THEY HAVE PASSED THROUGH. LARGE HAIL AND A POSSIBILITY OF TORNADOES ALSO EXISTS WITH THESE THUNDERSTORMS. EMERGENCY MANAGERS AND COUNTY LAW ENFORCEMENT OFFICIALS MAY EXPECT A NUMBER OF SEVERE WEATHER WARNINGS TO BE ISSUED FOR COUNTIES ACROSS THE NORTHLAND THROUGH THE EVENING HOURS. THE LINE OF THUNDERSTORMS IS EXPECTED TO ENTER THE DULUTH/SUPERIOR AREA BETWEEN 630 PM AND 700 PM. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTH CENTRAL MINNESOTA THROUGH 900 PM WHILE...A TORNADO WATCH IS IN EFFECT UNTIL 10 PM FOR A LARGE PORTION OF NORTHEASTERN MINNESOTA AND NORTHWESTERN WISCONSIN. PERSONS ACROSS THE NORTHLAND SHOULD REMAIN ON ALERT AND BE PREPARED TO MOVE TO SAFE SHELTER IF THREATENING WEATHER APPROACHES. BRAMER
Special weather statement, May 15, 5:04 PM CDT, 3 hours 7 minutes before
MNZ010>012-019>021-025-026-033>038-WIZ001>004-006>009-160000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DULUTH MN 504 PM CDT FRI MAY 15 1998 ...SEVERE LINE OF THUNDERSTORMS TO MOVE INTO THE NORTHLAND... AT 500 PM CDT...THE DULUTH DOPPLER RADAR HAD LOCATED A LINE OF SEVERE THUNDERSTORMS MOVING NORTHWARD THROUGH THE NORTHERN TWIN CITIES METRO AREA AT OVER 65 MILES AN HOUR. THESE THUNDERSTORMS HAVE HAD A HISTORY OF PRODUCING WINDS GUSTS TO 90 MILES AN HOUR AS THEY HAVE PASSED THROUGH. LARGE HAIL AND A POSSIBILITY OF TORNADOES ALSO EXISTS WITH THESE THUNDERSTORMS. EMERGENCY MANAGERS AND COUNTY LAW ENFORCEMENT OFFICIALS MAY EXPECT A NUMBER OF SEVERE WEATHER WARNINGS TO BE ISSUED FOR COUNTIES ACROSS THE NORTHLAND THROUGH THE EVENING HOURS. THE LINE OF THUNDERSTORMS IS EXPECTED TO ENTER THE DULUTH/SUPERIOR AREA BETWEEN 630 PM AND 700 PM. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTH CENTRAL MINNESOTA THROUGH 900 PM WHILE...A TORNADO WATCH IS IN EFFECT UNTIL 10 PM FOR A LARGE PORTION OF NORTHEASTERN MINNESOTA AND NORTHWESTERN WISCONSIN. PERSONS ACROSS THE NORTHLAND SHOULD REMAIN ON ALERT AND BE PREPARED TO MOVE TO SAFE SHELTER IF THREATENING WEATHER APPROACHES. BRAMER
The office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 7:00 PM CDT | Severe Thunderstorm Warning | DLH | Bayfield, Douglas, Sawyer | 60 min |
| May 15, 7:02 PM CDT | Severe Thunderstorm Warning | DLH | Washburn | 33 min |
| May 15, 7:54 PM CDT | Tornado Warning | DLH | Bayfield | 36 min |
| May 15, 7:56 PM CDT | Severe Thunderstorm Warning | DLH | Ashland, Iron, Price | 59 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; the sounding from the Mesonet's radiosonde archive.