Alert archive / Minnesota / Winter Storm Warnings in 2017
Winter Storm Warning 1, NWS Duluth, MN
NWS Duluth, MN issued this winter storm warning at Jan 1, 2017, 3:56 AM CST for 6 counties in Minnesota. It took effect at Jan 2, 2017, 12:00 AM CST. It was in force for 36 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
- Jan 1, 2017, 3:56 AM CST (09:56 UTC)
- In effect from
- Jan 2, 2017, 12:00 AM CST
- Expired
- Jan 3, 2017, 12:05 PM CST
- In force
- 36 hr
- Issued by
- NWS Duluth, MN
Counties Cass County, MN, Cook County, MN, Itasca County, MN, Koochiching County, MN, Lake County, MN, Saint Louis County, MN
The radar
The Duluth radar (KDLH), 93 km from the middle of the area, began a volume at 09:59 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, 9.9 hours before the alert went out and 314 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
- 1261 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 260 m²/s²
- 0-3 km storm-relative helicity
- 286 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 Dec 31, 11:03 PM CST, 4 hours 53 minutes earlier.
Area forecast discussion, Dec 31, 11:03 PM CST, 4 hours 53 minutes before
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Local storm report, Dec 31, 10:07 PM CST, 5 hours 49 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 |
|---|---|---|---|---|
| Jan 1, 3:56 PM CST | Winter Weather Advisory | DLH | Aitkin, Carlton, Cass, Crow Wing, Pine, Saint Louis | 38 hr |
| Jan 1, 4:19 PM CST | Small Craft Advisory | DLH | 4 days |
Nearby
Winter Storm Warnings in Minnesota, 2017Every winter storm warning in 2017
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.