Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Cooperative Observer Program

Cooperative Observer Background

What is the Cooperative Observer Program?

Becoming a Cooperative Observer

Becoming an NWS Cooperative Observer volunteer requires the following:

Dedication to public service

Attention to detail

Ability to lean and perform daily duties

Willingness to allow NWS to place measuring instruments on your property

Willingness to allow at least one visit per year from an NWS representative

Additionally, the following capabilities are useful but are not mandatory:

Ownership of a personal computer with modem and familiarity with its basic uses

Established internet access

Information on equipment used by NWS Cooperative Observers

If you are selected to become an official NWS Cooperative Station, the NWS will provide you with the training and supervision you will need to perform your duties. Depending on your stations instrumentation, your site will be visited once or twice every 12 months, and more often if unscheduled maintenance or training updates are required.

If you are interested in becoming an NWS Cooperative Observer in the NWS Aberdeen County Warning Area, please call the office at (605) 225-0519.

Cooperative Observer Sites in Our Area

Below is a list of the longest running Cooperative Observer sites in our area:

Location	Time Active
Clark, SD	1893-Present
Highmore, SD	1893-Present
Kennebec, SD	1893-Present
Milbank, SD	1893-Present
Castlewood, SD	1893-1898, 1906-present
Gann Valley, SD	1897-Present
Murdo, SD	1907-Present
Pollock, SD	1908-Present
Eureka. SD	1908-Present
Onida, SD	1913-Present
Britton, SD	1913-Present
Artichoke Lake, MN	1917-Present

Cooperative Observer Awards

Cooperative Observer Award Recipients by Year. â€‹*Note, this is not a comprehensive list.
About NWS Cooperative Observer Individual Awards

Cooperative Observer Reports

Enter the WXCoder III Site, the newest internet based reporting system for COOP Observers

ABR RSS Feed

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

NWS Aberdeen SD - Cooperative Observer Program