Alert archive / Minnesota / Winter Storm Warnings in 2018
Winter Storm Warning 10, NWS Duluth, MN
NWS Duluth, MN issued this winter storm warning at Mar 30, 2018, 3:54 AM CDT for 8 counties in Minnesota; 8 counties in Wisconsin. It took effect at Mar 30, 2018, 10:00 PM CDT. It was in force for 14 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 30, 2018, 3:54 AM CDT (08:54 UTC)
- In effect from
- Mar 30, 2018, 10:00 PM CDT
- Expired
- Mar 31, 2018, 11:32 AM CDT
- In force
- 14 hr
- Issued by
- NWS Duluth, MN
Counties Aitkin County, MN, Carlton County, MN, Cass County, MN, Crow Wing County, MN, Itasca County, MN, Lake County, MN, Pine County, MN, Saint Louis County, MN, Ashland County, WI, Bayfield County, WI, Burnett County, WI, Douglas County, WI, Iron County, WI, Price County, WI, Sawyer County, WI, Washburn County, WI
The radar
The Duluth radar (KDLH), 33 km from the middle of the area, began a volume at 08:55 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
Green Bay/Straub, WI (KGRB), launched 00:00Z, 8.9 hours before the alert went out and 390 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
- 1614 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm 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 winter storm warning went out at Mar 30, 12:34 AM CDT, 3 hours 20 minutes earlier.
Area forecast discussion, Mar 30, 12:34 AM CDT, 3 hours 20 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 |
|---|---|---|---|---|
| Mar 30, 3:54 AM CDT | Winter Weather Advisory | DLH | Cook, Itasca, Koochiching, Lake, Saint Louis | 23 hr |
| Mar 30, 9:33 AM CDT | Small Craft Advisory | DLH | 70 hr |
Nearby
Winter Storm Warnings in Minnesota, 2018Winter Storm Warnings in Wisconsin, 2018Every winter storm warning in 2018
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.