Alert archive / South Dakota / Winter Storm Warnings in 2020
Winter Storm Warning 4, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this winter storm warning at Oct 24, 2020, 2:54 AM CDT for Gregory County, South Dakota. It took effect at Oct 24, 2020, 1:00 PM CDT. It was in force for 27 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
- Oct 24, 2020, 2:54 AM CDT (07:54 UTC)
- In effect from
- Oct 24, 2020, 1:00 PM CDT
- Expired
- Oct 25, 2020, 3:32 PM CDT
- In force
- 27 hr
- Issued by
- NWS Sioux Falls, SD
County Gregory County, SD
The radar
The North Platte radar (KLNX), 178 km from the middle of the area, began a volume at 07:55 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.
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 Sioux Falls, SD wrote its last area forecast discussion before this winter storm warning went out at Oct 23, 6:42 PM CDT, 8 hours 12 minutes earlier.
Area forecast discussion, Oct 23, 6:42 PM CDT, 8 hours 12 minutes before
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Winter Storm Warnings in South Dakota, 2020Every winter storm warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.