How to Become a Cooperative
Observer
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NWS Weather Forecast Offices (WFOs) staff at 121 locations nationwide
recruit Cooperative Observers. Station locations are not selected
by NWS Regional or National Headquarters.
The distribution of Cooperative Weather Stations is a function of
need. Needs are defined by data users and considered within the
context of constraints of limited federal resources.
The basic distribution of Cooperative stations in the network are
governed by an 1953 Iowa State University study, which determined
that a spacing of about one station every 25 miles (one per 625
square miles) was sufficient to adequately define the climate of
the United States in areas of homogeneous terrain. Greater densities
are allowed in areas with large differences in elevation, urban
heat islands, steep land-sea-lake interfaces, etc.
Because the network is 110 years old (established in 1890), many
areas already have the necessary stations operating; however, about
200 observers resign each year, about 4 per state. Additionally,
changing requirements can expand the need for observers.
Becoming an NWS Cooperative observer volunteer requires the following:
- Dedication to public service
- Attention to detail
- Ability to learn 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 a 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.
If you are selected to become an official NWS Cooperative station,
NWS will provide you with the training, supervision, materials and
instrumentation necessary to perform your duties. Depending on your
station's instrumentation, your site will be visited once or twice
every 12 months, more if unscheduled maintenance or training updates
are required.
Generally, volunteer observers receive no pay. Sometimes, because
of special circumstances, exceptions are made locally. Questions
regarding monthly stipends can be answered by your local NWS representative.
If you are interested in becoming an NWS Cooperative observer,
contact the NWS representative in the WFO supervising your location.
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