TheNational Weather Service (NWS) keeps track ofclimatological data and coordinates cooperative weather observers, comprising a network of more than 10,000 National Weather Service volunteers across the U.S. who record daily weather measurements that become part of U.S. climate records.Trainedvolunteers calledSkywarnspottersrelay severe weather to their local weather service office. The NWS is charged with issuing weatherforecasts, advisories, watches, and warnings on a daily basis.
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