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| NWS Weather Forecast Offices | |
|---|---|
| Name | NWS Weather Forecast Offices |
| Formed | 1870s (local forecast offices established) |
| Preceding1 | United States Signal Service |
| Jurisdiction | United States |
| Headquarters | Silver Spring, Maryland |
| Parent agency | National Oceanic and Atmospheric Administration / National Weather Service |
NWS Weather Forecast Offices are the primary field units of the National Weather Service responsible for weather forecasting, warnings, and local hazard services across the United States, its territories, and adjacent marine zones. Each office issues forecasts, watches, warnings, and advisories tailored to counties, cities, and ocean areas, integrating data from federal, state, and local partners such as the Federal Aviation Administration, Department of Defense, and United States Geological Survey.
The lineage of local forecast offices traces to the United States Signal Service and the establishment of the United States Weather Bureau in the late 19th century, contemporaneous with figures like Cleveland Abbe and institutions such as the Smithsonian Institution. During the 20th century, innovations at centers including NOAA's National Centers for Environmental Prediction and national initiatives like the creation of the National Oceanic and Atmospheric Administration in 1970 reshaped operations. Modernization programs—exemplified by the deployment of the WSR-88D Doppler radar network and the modernization of field offices—reflect influences from events and agencies including responses to Hurricane Katrina, coordination with Federal Emergency Management Agency, and recommendations from studies by National Academies of Sciences, Engineering, and Medicine.
Weather Forecast Offices operate under the regional and national architecture of National Weather Service Regions. Each office is staffed by meteorologists, hydrologists, technicians, and administrative personnel drawn from civil service classifications overseen by United States Office of Personnel Management regulations. Supervisory structures parallel those found in other NOAA line offices and interface with regional entities such as NWS Eastern Region, NWS Southern Region, NWS Western Region, and NWS Central Region. Offices coordinate with adjacent federal facilities including NCEP centers, National Hurricane Center, Storm Prediction Center, and specialty centers like the Aviation Weather Center.
Forecast Offices provide routine zone and point forecasts, severe thunderstorm and tornado warnings, flash flood and river flood forecasts, aviation weather products, marine forecasts, and public, fire weather, and winter weather services. They issue watches and warnings that follow criteria used by FEMA incident management, inform emergency managers in counties and cities such as Los Angeles, California, Houston, Texas, Chicago, Illinois, and support first responders including United States Coast Guard sectors. Offices also generate hydrologic forecasts in coordination with USGS stream gauges and long-term climatological summaries that align with NOAA National Centers for Environmental Information datasets.
Field offices rely on technologies like the WSR-88D Doppler radar, Advanced Weather Interactive Processing System (AWIPS), and automated surface observing systems analogous to ASOS and AWOS. They ingest satellite products from platforms operated by NOAA Satellite and Information Service and international partners such as EUMETSAT and Japanese Meteorological Agency. Numerical guidance from models including the Global Forecast System, North American Mesoscale model, and ensemble systems like the Global Ensemble Forecast System underpin forecast construction. Communication toolchains integrate systems used by Integrated Public Alert and Warning System and Emergency Alert System to disseminate warnings.
Approximately 100–150 field offices cover metropolitan regions and rural counties from places such as Anchorage, Alaska to San Juan, Puerto Rico, and from Boston, Massachusetts to Honolulu, Hawaii. Jurisdictions align with county warning areas, marine zones, and river basins, requiring coordination with state emergency management agencies like California Office of Emergency Services and Texas Division of Emergency Management. Some offices specialize—examples include forecast offices that primarily serve aviation hubs like Hartsfield–Jackson Atlanta International Airport or coastal regions adjacent to Gulf of Mexico and Atlantic Ocean waters.
Forecast Offices maintain public communication through forecast discussions, local statements, social media channels, and partnerships with broadcasters including National Association of Broadcasters affiliates and local television markets such as New York City television market and Los Angeles television market. Public education initiatives collaborate with institutions like the American Red Cross, National Weather Association, and universities such as Penn State University and University of Oklahoma for outreach, storm spotter training in coordination with SKYWARN, and school-based weather safety programs.
Offices partner with federal agencies like FAA, FEMA, USGS, and Department of Homeland Security components, as well as state emergency management, county public safety offices, local media, academic partners including University of Colorado Boulder and Massachusetts Institute of Technology, and international meteorological services such as Meteorological Service of Canada. Collaborative frameworks include interagency coordination during major events like Hurricane Sandy and multi-agency exercises conducted with entities such as DHS Science and Technology Directorate to improve warning delivery and resilience.