Alert archive / Minnesota / Winter Storm Watches in 2018

Winter Storm Watch 6, NWS Sioux Falls, SD

March 21, 20185 counties in Minnesota

NWS Sioux Falls, SD issued this winter storm watch at Mar 21, 2018, 8:27 PM CDT for 5 counties in Minnesota. It took effect at Mar 23, 2018, 10:00 AM CDT. It was in force for .

The area

The counties it named.

The facts

Issued
Mar 21, 2018, 8:27 PM CDT (01:27 UTC)
In effect from
Mar 23, 2018, 10:00 AM CDT
Expired
Mar 23, 2018, 3:31 AM CDT
In force
Issued by
NWS Sioux Falls, SD

Counties Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN

The radar

The Sioux Falls radar (KFSD), 105 km from the middle of the area, began a volume at 01:33 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 watch 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 watch went out at Mar 21, 6:47 PM CDT, 1 hour 40 minutes earlier.

Area forecast discussion, Mar 21, 6:47 PM CDT, 1 hour 40 minutes before
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Hazardous weather outlook, Mar 21, 5:14 AM CDT, 15 hours 13 minutes before
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
514 AM CDT Wed Mar 21 2018

IAZ001>003-013-014-MNZ098-SDZ039-055-056-062-221015-
Lyon IA-Osceola-Dickinson-O'Brien-Clay IA-Rock-Kingsbury-Lake-
Moody-Minnehaha-
514 AM CDT Wed Mar 21 2018

This Hazardous Weather Outlook is for portions of northwest Iowa,
southwest Minnesota, east central South Dakota, and southeast
South Dakota.

.DAY ONE...Today and Tonight

No hazardous weather is expected today or tonight.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

A storm system will bring precipitation to the area from Friday
morning through Saturday morning. On Friday, precipitation may
begin as a mix of rain and snow and then change to all rain. On
Friday night and Saturday morning, rain may mix with or change to
snow before ending on Saturday morning. While the duration and
amount of snow are uncertain at this time, some light
accumulations of snow are possible.

Later Sunday into Monday another system will bring a mix of rain
and snow to the area.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

IAZ012-020>022-031-032-NEZ013-014-SDZ038-050-052>054-057>061-
063>071-221015-
Sioux-Plymouth-Cherokee-Buena Vista-Woodbury-Ida-Dixon-Dakota-
Beadle-Gregory-Jerauld-Sanborn-Miner-Brule-Aurora-Davison-Hanson-
McCook-Charles Mix-Douglas-Hutchinson-Turner-Lincoln SD-Bon Homme-
Yankton-Clay SD-Union-
514 AM CDT Wed Mar 21 2018

This Hazardous Weather Outlook is for portions of northwest Iowa,
west central Iowa, northeast Nebraska, central South Dakota, east
central South Dakota, south central South Dakota, and southeast
South Dakota.

.DAY ONE...Today and Tonight

No hazardous weather is expected today or tonight.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

A storm system will bring precipitation to the area from Friday
morning through Saturday morning. On Friday, rain is expected to
develop during the day and continuing into Friday night. Rain may
mix with snow before ending on Saturday morning. At this time,
little or no accumulation of snow is expected.

Later Sunday into Monday another system will bring a mix of rain
and snow to the area.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

MNZ071-072-080-081-089-090-097-SDZ040-221015-
Lincoln MN-Lyon MN-Murray-Cottonwood-Nobles-Jackson-Pipestone-
Brookings-
514 AM CDT Wed Mar 21 2018

This Hazardous Weather Outlook is for portions of southwest
Minnesota and east central South Dakota.

.DAY ONE...Today and Tonight

No hazardous weather is expected today or tonight.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

A storm system will bring precipitation to the area from Friday
afternoon through Saturday morning. Rain or a mix of rain and snow
are expected on Friday with precipitation likely to changing to
all snow sometime Friday night. Some accumulations of snow are
possibly - especially along the Buffalo Ridge.

Later Sunday into Monday another system will bring a mix of rain
and snow to the area.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 22, 7:24 AM CDTRiver Flood WarningFSDBrookings4 days
Mar 22, 7:24 AM CDTRiver Flood WarningFSDBrookings, Moody5 days
Mar 22, 3:49 PM CDTWinter Weather AdvisoryFSDBrookings, Moody45 hr
Mar 21, 10:19 PM CDTRiver Flood WarningFSDLyon24 hr

Nearby

Winter Storm Watches in Minnesota, 2018Every winter storm watch 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; radar from the NEXRAD Level II archive.