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Dangerous Cold Weather for Most of the Country; Rare Winter Storm for the South; Fire Weather Concerns for Southern California

Arctic air will filter south and east through early this week. As this cold air moves across the South, a rare winter storm is forecast to develop from Texas, Gulf Coast States into the Southeast through early this week. Several new daily record low temperatures are expected, including new record-low maximum temperatures. For Southern California, fire weather concerns increase this week. Read More >

This page contains information National Weather Service implementation of 
Federal Information Processing Standards (FIPS) Code: changes.


FIPS codes are unique to counties, parishes, boroughs and independent cities. For more information on FIPS codes, refer to the American National Institute (ANSI) Codes, maintained by the Census Bureau (https://www.census.gov/library/reference/code-lists/ansi/ansi-codes-for-states.html). 

It is our job to ensure customers understand the changes and have the information needed to implement them. Customer notification messages are transmitted on NWS dissemination circuits:

If the Census Bureau implements changes in FIPS codes and / or the NWS implements a new six digit SAME location code, the NWS will issue Service Change Notices well in advance of the change.


Recent Service Change Notices of Importance:

Clark County: Implementation of Partial County Alerting via NOAA Weather Radio All Hazards (NWR) and the Emergency Alert System (EAS) for Clark County, Nevada: Effective on or about June 1, 2021