National Weather Service United States Department of Commerce

Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. Read More >

Weather History Archive

On This Day In

                   Weather History

November 21st

Local and Regional Events:

November 21, 1985:

Winds gusting to over 40 mph caused blizzard conditions over the western and central parts of South Dakota on the 21st and 22nd. In addition to the existing snow cover, 1-2 inches of new snow fell and when blown by the wind, reduced visibilities to zero at times. Many roads were drifted shut by the blowing and drifting snow in the western part of the state.

 

November 21, 2003:

Heavy snow of 6 to 10 inches fell from the late afternoon to the late evening hours of the 21st and into the early morning hours on the 22nd. Some snowfall amounts included 4 inches in Browns Valley, 2S Ashton, and Britton; 5 inches at Timber Lake, Blunt, 6 SE McIntosh, and Pollock; 6 inches at Clark, McLaughlin, 14 NNE Isabel, 17 WSW Fort Pierre and Miller; 7 inches at Castlewood, 1 W Highmore, and 4 NW Onida; and 8 inches north of Goodwin, at Ree Heights, at Eagle Butte, and near Troy. Thirteen inches of snow fell in Watertown.

 

Local Climate Information:

Click HERE for daily climate information for Aberdeen, Mobridge, Pierre, Sisseton, and Watertown.

Click HERE for daily climate information for Sioux Falls, Huron, Mitchell, and Sioux City.

 

U.S.A and Global Events for November 21st:

1992: The November 21st – 23rd tornado outbreak was the 3rd largest outbreak in recorded history and one of the longest continuous outbreaks ever recorded. There was no break in tornado activity from 1:30 pm on the 21st when the tornadoes started in Texas until 7:30 am on the 23rd when the last tornadoes lifted in North Carolina. On this date, severe thunderstorms spawned six tornadoes within 70 minutes in the Houston metro area in Texas. At one time, there were three on the ground in Harris County. The strongest, an F4, tracked 20 miles through the eastern suburbs of Houston destroying 200 homes and damaging 1,000 more. In total, 23 tornadoes struck Mississippi and Alabama. An F4 tornado killed 12 people on a 128-mile track through 7 Mississippi counties. The deadliest tornado of 1992, an F4 tornado killed 12 people on a 128-mile path through 7 counties in Mississippi, one of the bodies was blown a quarter mile into a tree. Click HERE for more information from the NWS Office in Jackson, Mississippi.

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The image above is courtesy of the NWS office in Jackson, Mississippi.

Click HERE for more This Day in Weather History from the Southeast Regional Climate Center.