Alert archive / Minnesota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 110, NWS Duluth, MN
NWS Duluth, MN issued this severe thunderstorm warning at Jun 25, 1998, 2:33 AM CDT for Pine County, Minnesota; Burnett County, Wisconsin. It was in force for 27 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
- Jun 25, 1998, 2:33 AM CDT (07:33 UTC)
- Expired
- Jun 25, 1998, 3:00 AM CDT
- In force
- 27 min
- Issued by
- NWS Duluth, MN
- Area
- Whole counties
Counties Pine County, MN, Burnett County, WI
The radar
The Duluth radar (KDLH), 98 km from the middle of the area, began a volume at 07:35 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 7.6 hours before the alert went out and 151 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
- 3921 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 1033 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 5.8
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.
NWS Duluth, MN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 24, 2:30 PM CDT, 12 hours 3 minutes earlier.
Area forecast discussion, Jun 24, 2:30 PM CDT, 12 hours 3 minutes before
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</html>The office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 1:58 AM CDT | Severe Thunderstorm Warning | DLH | Pine | 57 min |
| Jun 25, 1:08 PM CDT | Tornado Warning | DLH | Pine | 37 min |
| Jun 25, 2:50 PM CDT | Severe Thunderstorm Warning | DLH | Douglas | 45 min |
| Jun 25, 3:15 PM CDT | Severe Thunderstorm Warning | DLH | Bayfield | 45 min |
| Jun 25, 3:48 PM CDT | Severe Thunderstorm Warning | DLH | Ashland | 62 min |
| Jun 25, 4:23 PM CDT | Severe Thunderstorm Warning | DLH | Iron | 47 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1998Severe Thunderstorm Warnings in Wisconsin, 1998Every severe thunderstorm warning 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; radar from the NEXRAD Level II archive.