Alert archive / South Dakota / Blizzard Watches in 2009

Blizzard Watch 3, NWS Aberdeen, SD

March 21, 20094 counties in South Dakota

NWS Aberdeen, SD issued this blizzard watch at Mar 21, 2009, 12:08 PM CDT for 4 counties in South Dakota. It took effect at Mar 23, 2009, 7:00 PM CDT. It was in force for .

The area

The counties it named.

The facts

Issued: Mar 21, 2009, 12:08 PM CDT (17:08 UTC)
In effect from: Mar 23, 2009, 7:00 PM CDT
Expired: Mar 22, 2009, 2:10 PM CDT
In force
Issued by: NWS Aberdeen, SD

Counties Campbell County, SD, Corson County, SD, Dewey County, SD, Walworth County, SD

The radar

The Bismarck radar (KBIS), 140 km from the middle of the area, began a volume at 17:09 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 blizzard watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Aberdeen, SD wrote its last area forecast discussion before this blizzard watch went out at Mar 21, 10:37 AM CDT, 1 hour 31 minutes earlier.

Area forecast discussion, Mar 21, 10:37 AM CDT, 1 hour 31 minutes before

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Hazardous weather outlook, Mar 21, 4:00 AM CDT, 8 hours 8 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 20, 8:25 PM CDT	River Flood Warning	ABR	Brown	9 days
Mar 21, 4:22 AM CDT	Dense Fog Advisory	ABR	Brown, Day, Grant, Marshall, Roberts	5 hr
Mar 21, 9:10 AM CDT	Dense Fog Advisory	ABR	Grant, Roberts	3 hr
Mar 21, 10:18 AM CDT	Areal Flood Advisory	ABR	Brown, Campbell, Corson, Edmunds, McPherson	24 hr

Nearby

Blizzard Watches in South Dakota, 2009 Every blizzard watch in 2009

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.