Map Layers Glossary |
This table contains a complete list of map layers included across all data reports throughout the Environmental Public Health Tracking Portal, and may not all be available in each data report. To provide feedback or recommendations on adding a layer to a specific report, please email DPH-MA-EPHT@state.ma.us
*For information regarding a layer's source organization, detailed descriptions of the layer, and/or other data sets from the source organization, click the organization’s hyperlink.
**For more detailed server information, click the URL.
| Name | Group | Source | Description | URL |
|---|---|---|---|---|
| Name: 34 Kt Probablistic Winds | Group: Tropical Winds | Source*: National Centers for Environmental Prediction | Description: Depicts the probability of 34 knot winds. | URL**: https://idpgis.ncep.noaa.gov/arcgis/rest/services/NWS_Forecasts_Guidance_Warnings/NHC_Atl_trop_cyclones/MapServer/59 |
| Name: 3-7 Day Precipitation Outlook | Group: Weather | Source*: National Centers for Environmental Prediction | Description: Depicts precipitation and flooding hazards for the U.S out 3-7 days. | URL**: https://idpgis.ncep.noaa.gov/arcgis/rest/services/NWS_Climate_Outlooks/cpc_weather_hazards/MapServer/4 |
| Name: 3-7 Day Temperature Outlook | Group: Weather | Source*: National Centers for Environmental Prediction | Description: Depicts temperature, high winds, high waves, and wildfire hazards for the U.S. out 3-7 days. | URL**: https://idpgis.ncep.noaa.gov/arcgis/rest/services/NWS_Climate_Outlooks/cpc_weather_hazards/MapServer/1 |
| Name: 3-7 Day WildFire/Droughtwhdh.com nbcboston.com | Group: Weather | Source*: National Centers for Environmental Prediction | Description: Depicts wildfire and drought hazards for the U.S out 3-7 days. | URL**: https://idpgis.ncep.noaa.gov/arcgis/rest/services/NWS_Climate_Outlooks/cpc_weather_hazards/MapServer/7 |
| Name: 50 Kt Probablistic Winds | Group: Tropical Winds | Source*: National Centers for Environmental Prediction | Description: Depicts the probability of 50 knot winds. | URL**: https://idpgis.ncep.noaa.gov/arcgis/rest/services/NWS_Forecasts_Guidance_Warnings/NHC_Atl_trop_cyclones/MapServer/60 |
| Name: 6-10 Day Precipitation Outlook | Group: Weather | Source*: National Centers for Environmental Prediction | Description: Depicts precipitation for the U.S. Out 6-10 days. | URL**: https://idpgis.ncep.noaa.gov/arcgis/rest/services/NWS_Climate_Outlooks/cpc_6_10_day_outlk/MapServer/1 |
| Name: 6-10 Day Temperature Outlook | Group: Weather | Source*: National Centers for Environmental Prediction | Description: Depicts temperature for the U.S. Out 6-10 days. | URL**: https://idpgis.ncep.noaa.gov/arcgis/rest/services/NWS_Climate_Outlooks/cpc_6_10_day_outlk/MapServer/0 |
| Name: 64 Kt Probablistic Winds | Group: Tropical Winds | Source*: National Centers for Environmental Prediction | Description: Depicts the probability of 64 knot winds. | URL**: https://idpgis.ncep.noaa.gov/arcgis/rest/services/NWS_Forecasts_Guidance_Warnings/NHC_Atl_trop_cyclones/MapServer/61 |
| Name: AirNow Air Quality Flag Program | Group: Air Quality | Source*: Environmental Protection Agency | Description: Depicts participants in EPA's Air Quality Flags Program and the current day's AQI forecast for each participant in the program. | URL**: https://geodata.epa.gov/arcgis/rest/services/OAR_OAQPS/EPA_AirQuality_FlagProgram/MapServer/0 |
| Name: AUL Sites | Group: Regulated Sites | Source*: MassGIS | Description: Contains the approximate location of oil or hazardous material release or disposal sites where an Activity and Use Limitation (AUL) has been filed. MassGIS layer name: AUL_PT | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/AGOL/AUL_Sites/MapServer |
| Name: Bicycle Trails | Group: Outdoor Activities | Source*: MassGIS | Description: This layer represents trails which all permit bicycle travel or corridors with conversion potential; however, bicycles are not the exclusive travel mode permitted on these trails. MassGIS layer name: BIKETRAILS_ARC | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/DPH/Infrastructure/MapServer/3 |
| Name: Census Tracts (2010) | Group: Geographic Boundaries | Source*: MassGIS | Description: Clusters of block groups which generally have a total population size between 1,200 and 8,000 people with an optimum size of 4,000 people. MassGIS layer name: CENSUS2010TRACTS_POLY | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/DPH/Political_Boundaries/MapServer/0 |
| Name: Coastal and Inland Areas | Group: Weather Watches & Warnings | Source*: NOAA | Description: A dissolved polygon layer that depicts the geographic coverage of NOAA/National Weather Service's Watches, Advisories, Warnings, and Statements for long-duration hazardous weather, marine weather, hydrological, oceanographic, wildfire, air quality, and ecological conditions affecting coastal and inland areas. | URL**: https://nowcoast.noaa.gov/arcgis/rest/services/nowcoast/wwa_meteoceanhydro_longduration_hazards_time/MapServer/5 |
| Name: Coastal Areas | Group: Weather Watches & Warnings | Source*: NOAA | Description: A dissolved polygon layer that depicts the geographic coverage of NOAA/National Weather Service's Watches, Advisories, Warnings, and Statements for long-duration hazardous weather, marine weather, hydrological, oceanographic, wildfire, air quality, and ecological conditions affecting coastal areas. | URL**: https://nowcoast.noaa.gov/arcgis/rest/services/nowcoast/wwa_meteoceanhydro_longduration_hazards_time/MapServer/16 |
| Name: Cold and Heat Hazards | Group: Weather Watches & Warnings | Source*: NOAA | Description: A dissolved polygon layer that depicts the geographic coverage of NOAA/National Weather Service's Watches, Advisories, Warnings, and Statements for long-duration hazardous weather affecting inland, coastal, and maritime areas. The coverage areas of the watches, warnings, advisories, and statement are usually defined by county or sub-county boundaries. | URL**: https://nowcoast.noaa.gov/arcgis/rest/services/nowcoast/wwa_meteoceanhydro_longduration_hazards_time/MapServer/35 |
| Name: Communities | Group: Geographic Boundaries | Source*: MassGIS | Description: | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/DPH/Political_Boundaries/MapServer/1 |
| Name: Community Health Centers | Group: Points of Interest | Source*: Not Provided | Description: | URL**: http://arcgisserver.digital.mass.gov/arcgisserver/rest/services/AGOL/CommunityHealthCenters/MapServer |
| Name: Counties | Group: Geographic Boundaries | Source*: MassGIS | Description: Shows the boundaries of Massachusetts' Counties and was derived from the Community boundaries layer. MassGIS layer name: COUNTIES_POLY | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/DPH/Political_Boundaries/MapServer/2 |
| Name: Current Warnings | Group: Weather Watches & Warnings | Source*: National Centers for Environmental Prediction | Description: Current watches, warnings, and advisories for the U.S. | URL**: https://idpgis.ncep.noaa.gov/arcgis/rest/services/NWS_Forecasts_Guidance_Warnings/watch_warn_adv/MapServer/0 |
| Name: CZM NOAA Sea Level Rise Combined | Group: Flooding | Source*: MassGIS | Description: Depicts the potential inundation of coastal areas resulting from a projected 1 to 6 feet rise in sea level above current Mean Higher High Water (MHHW) conditions. | URL**: https://tiles.arcgis.com/tiles/hGdibHYSPO59RG1h/arcgis/rest/services/NOAA_SLR_Data_to_10/MapServer?cacheKey=8332ba9238520099 |
| Name: DEP BWP Major Facilities | Group: Regulated Sites | Source*: MassGIS | Description: Contains the location of a subset of facility types regulated by MassDEP�s Bureau of Air and Waste. MassGIS layer name: BWPMAJOR_PT | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/DPH/Regulated_Areas/MapServer/7 |
| Name: EJ Block Groups (2010) | Group: Environmental Justice | Source*: MDPH Bureau of Climate and Environmental Health | Description: Created by the BCEH to identify block groups that meet one or more environmental justice criteria. | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/DPH/Environmental_Justice_Populations1/MapServer/0 |
| Name: EOHHS Regions | Group: Geographic Boundaries | Source*: MassGIS | Description: Represents the six regions delineated by the commonwealth's Executive Office of Health and Human Services. MassGIS layer name: REGEOHHS_POLY | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/DPH/Political_Boundaries/MapServer/4 |
| Name: EPRCs | Group: Geographic Boundaries | Source*: MassGIS | Description: Combination of two statewide boundary layers used by the Bureau of Climate and Environmental Health (BCEH), Massachusetts Department of Public Health (MDPH) for planning and administrative purposes. MassGIS layer names: REGDPHEP_POLY and REGDPHEPC_POLY | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/DPH/Political_Boundaries/MapServer/3 |
| Name: Farmer�s Markets | Group: Points of Interest | Source*: MassGIS | Description: The Farmer's Markets GIS layer is derived from the Farmers� Markets database maintained by the MA Dept. of Agricultural Resources. MassGIS layer name: FARMERSMARKETS_PT | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/DPH/Infrastructure/MapServer/0 |
| Name: FEMA National Flood Hazard | Group: Flooding | Source*: MassGIS | Description: Represents the current effective flood risk data for those parts of the country where maps have been modernized by the Federal Emergency Management Agency (FEMA). MassGIS layer name: FEMA_NFHL_POLY | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/FEMA/FEMA_National_Flood_Hazard_Layer/MapServer/0 |
| Name: Fire Stations | Group: Public Safety | Source*: MassGIS | Description: Shows the point locations of 789 Fire stations in the Commonwealth of Massachusetts. MassGIS layer name: FIRESTATIONS_PT_MEMA | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/AGOL/FireStations/MapServer/0 |
| Name: Flood Outlook | Group: Weather | Source*: National Centers for Environmental Prediction | Description: Provides a general outlook for significant river flooding. | URL**: https://idpgis.ncep.noaa.gov/arcgis/rest/services/NWS_Forecasts_Guidance_Warnings/sig_riv_fld_outlk/MapServer/0 |
| Name: Hazard. Waste Treatment, Storage/Disp | Group: Regulated Sites | Source*: MassGIS | Description: Contains the location of a subset of facility types regulated by MassDEP�s Bureau of Air and Waste. MassGIS layer name: BWPMAJOR_PT | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/DPH/Regulated_Areas/MapServer/3 |
| Name: Hazardous Waste Recycler | Group: Regulated Sites | Source*: MassGIS | Description: Contains the location of a subset of facility types regulated by MassDEP�s Bureau of Air and Waste. MassGIS layer name: BWPMAJOR_PT | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/DPH/Regulated_Areas/MapServer/4 |
| Name: Hazardous Wildfire Conditions | Group: Weather Watches & Warnings | Source*: NOAA | Description: A dissolved polygon layer that depicts the geographic coverage of NOAA/National Weather Service's Watches, Advisories, Warnings, and Statements for long-duration hazardous wildfire conditions affecting inland, coastal, and maritime areas. | URL**: https://nowcoast.noaa.gov/arcgis/rest/services/nowcoast/wwa_meteoceanhydro_longduration_hazards_time/MapServer/38 |
| Name: Hospitals - Acute Care | Group: Points of Interest | Source*: MassGIS | Description: This point datalayer shows the location of 82 acute care hospitals in Massachusetts. MassGIS layer name: HOSPITALS_PT | URL**: https://services1.arcgis.com/7iJyYTjCtKsZS1LR/arcgis/rest/services/Hospitals/FeatureServer |
| Name: Hospitals - Non-acute Care | Group: Points of Interest | Source*: MassGIS | Description: This point data layer shows the location of non-acute care hospitals in Massachusetts. Non-acute hospitals in Massachusetts are typically identified as psychiatric, rehabilitation, and chronic care facilities, along with some non-acute specialty hospitals. | URL**: https://services1.arcgis.com/7iJyYTjCtKsZS1LR/arcgis/rest/services/Non_acute_Care_Hospitals/FeatureServer |
| Name: Hurricane Category 1 | Group: Flooding | Source*: MassGIS | Description: Shows worst-case Hurricane Surge Inundation areas for Category 1 hurricanes striking the coast of Massachusetts. MassGIS layer name: HURR_INUN_ZONES_POLY | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/MEMA/Category1/MapServer/0 |
| Name: Hurricane Category 2 | Group: Flooding | Source*: MassGIS | Description: Shows worst-case Hurricane Surge Inundation areas for Category 2 hurricanes striking the coast of Massachusetts. MassGIS layer name: HURR_INUN_ZONES_POLY | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/MEMA/Category2/MapServer/0 |
| Name: Hurricane Category 3 | Group: Flooding | Source*: MassGIS | Description: Shows worst-case Hurricane Surge Inundation areas for Category 3 hurricanes striking the coast of Massachusetts. MassGIS layer name: HURR_INUN_ZONES_POLY | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/MEMA/Category3/MapServer/0 |
| Name: Hurricane Category 4 | Group: Flooding | Source*: MassGIS | Description: Shows worst-case Hurricane Surge Inundation areas for Category 4 hurricanes striking the coast of Massachusetts. MassGIS layer name: HURR_INUN_ZONES_POLY | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/MEMA/Category4/MapServer/0 |
| Name: Inland and Coastal Areas | Group: Weather Watches & Warnings | Source*: NOAA | Description: A dissolved polygon layer that depicts the geographic coverage of NOAA/National Weather Service's Watches, Advisories, Warnings, and Statements for long-duration hazardous weather, marine weather, hydrological, oceanographic, wildfire, air quality, and ecological conditions affecting inland and coastal areas. | URL**: https://nowcoast.noaa.gov/arcgis/rest/services/nowcoast/wwa_meteoceanhydro_longduration_hazards_time/MapServer/26 |
| Name: Inland Areas | Group: Weather Watches & Warnings | Source*: NOAA | Description: A dissolved polygon layer that depicts the geographic coverage of NOAA/National Weather Service's Watches, Advisories, Warnings, and Statements for long-duration hazardous weather, marine weather, hydrological, oceanographic, wildfire, air quality, and ecological conditions affecting inland areas. | URL**: https://nowcoast.noaa.gov/arcgis/rest/services/nowcoast/wwa_meteoceanhydro_longduration_hazards_time/MapServer/19 |
| Name: Inundation Zones | Group: Flooding | Source*: MassGIS | Description: Shows worst-case Hurricane Surge Inundation areas for Category 1 through 4 hurricanes striking the coast of Massachusetts. MassGIS layer name: HURR_INUN_ZONES_POLY | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/MEMA/InundataionZones/MapServer/0 |
| Name: Large Quantity Generators | Group: Regulated Sites | Source*: MassGIS | Description: Contains the location of a subset of facility types regulated by MassDEP�s Bureau of Air and Waste. MassGIS layer name: BWPMAJOR_PT | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/DPH/Regulated_Areas/MapServer/5 |
| Name: Large Quantity Toxic User | Group: Regulated Sites | Source*: MassGIS | Description: Contains the location of a subset of facility types regulated by MassDEP�s Bureau of Air and Waste. MassGIS layer name: BWPMAJOR_PT | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/DPH/Regulated_Areas/MapServer/6 |
| Name: Live Weather Radar | Group: Weather Radar | Source*: National Weather Service | Description: CONUS 1x1 km base reflectivity Doppler radar. | URL**: https://radar.weather.gov/ridge/Conus/index_loop.php |
| Name: Long Distance Trails | Group: Outdoor Activities | Source*: MassGIS | Description: The Long Distance Trails line data layer represents trails that are longer than 25 miles. MassGIS layer name: LONGDISTTRAILS_ARC | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/DPH/Infrastructure/MapServer/4 |
| Name: Maritime Areas | Group: Weather Watches & Warnings | Source*: NOAA | Description: A dissolved polygon layer that depicts the geographic coverage of NOAA/National Weather Service's Watches, Advisories, Warnings, and Statements for long-duration hazardous weather, marine weather, hydrological, oceanographic, wildfire, air quality, and ecological conditions affecting maritime areas. | URL**: https://nowcoast.noaa.gov/arcgis/rest/services/nowcoast/wwa_meteoceanhydro_longduration_hazards_time/MapServer/2 |
| Name: MBTA Bus Routes | Group: MBTA | Source*: MassGIS | Description: Represents bus routes within the MBTA public transit system. MassGIS layer name: MBTABUSROUTES_ARC | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/AGOL/MBTA_Bus/FeatureServer/3 |
| Name: MBTA Bus Stops | Group: MBTA | Source*: MassGIS | Description: Represents bus stops within the MBTA public transit system. MassGIS layer name: MBTABUSSTOPS_PT | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/AGOL/MBTA_Bus/FeatureServer/0 |
| Name: MBTA Commuter Rail Lines | Group: MBTA | Source*: MassGIS | Description: Represents rail lines for active trains in Massachusetts. MassGIS layer name: TRAINS_ARC | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/AGOL/MBTA_Commuter_Rail/MapServer/3 |
| Name: MBTA Commuter Rail Stations | Group: MBTA | Source*: MassGIS | Description: Represents named station locations for active trains in Massachusetts. MassGIS layer name: TRAINS_NODE | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/AGOL/MBTA_Commuter_Rail/MapServer/0 |
| Name: MBTA Rapid Transit Lines | Group: MBTA | Source*: MassGIS | Description: Represent the core subway system and its station stops within the Greater Boston area. MassGIS layer name: MBTA_ARC | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/AGOL/MBTA_Rapid_Transit/MapServer/3 |
| Name: Nuclear Power Stations | Group: Regulated Sites | Source*: MDPH Bureau of Climate and Environmental Health | Description: Locations of nuclear power stations near Massachusetts. | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/DPH/Regulated_Areas/MapServer/0 |
| Name: Police Stations | Group: Public Safety | Source*: MassGIS | Description: Shows the point locations of law enforcement and sheriff offices in Massachusetts, covering local, county and state jurisdictions. MassGIS layer name: POLICESTATIONS_PT_MEMA | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/AGOL/PoliceStations/MapServer/2 |
| Name: Public Water Supplies | Group: Regulated sites | Source*: MassGIS | Description: MassDEP public water supply points. MassGIS layer name: PWSDEP_PT | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/AGOL/PoliceStations/MapServer/2 |
| Name: Schools (PK � High School) | Group: Points of Interest | Source*: MassGIS | Description: This point datalayer shows the locations of pre-K-12 schools in Massachusetts. MassGIS layer name: SCHOOLS_PT | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/AGOL/Schools/MapServer |
| Name: Snow and Freezing Precipitation Hazards | Group: Weather Watches & Warnings | Source*: NOAA | Description: A dissolved polygon layer that depicts the geographic coverage of NOAA/National Weather Service's Watches, Advisories, Warnings, and Statements for long-duration hazardous weather conditions affecting inland, coastal, and maritime areas. | URL**: https://nowcoast.noaa.gov/arcgis/rest/services/nowcoast/wwa_meteoceanhydro_longduration_hazards_time/MapServer/32 |
| Name: Tier Classified Sites | Group: Regulated Sites | Source*: MassGIS | Description: Contains the approximate location of oil and/or hazardous material disposal sites that have been (1) reported and (2) Tier Classified under M.G.L. Chapter 21E and the Massachusetts Contingency Plan (MCP). MassGIS layer name: C21E_PT | URL**: http://arcgisserver.digital.mass.gov/arcgisserver/rest/services/AGOL/C21e/MapServer |
| Name: Today�s AQI Forecast | Group: Air Quality | Source*: Environmental Protection Agency | Description: AirNow National AQI Forecast - Today's AQI Forecast. | URL**: https://geodata.epa.gov/arcgis/rest/services/OAR_OAQPS/AirNowNationalAQI/MapServer/0 |
| Name: Tomorrow�s AQI Forecast | Group: Air Quality | Source*: Environmental Protection Agency | Description: AirNow National AQI Forecast - Tomorrow's AQI Forecast. | URL**: https://geodata.epa.gov/arcgis/rest/services/OAR_OAQPS/AirNowNationalAQI/MapServer/1 |
| Name: Town/City Halls | Group: Points of Interest | Source*: | Description: This point datalayer shows the locations of Town or City Halls. | URL**: https://services1.arcgis.com/hGdibHYSPO59RG1h/arcgis/rest/services/Town_Halls_gdb/FeatureServer |
| Name: Tropical Cyclone Center Position Forecasts | Group: Tropical Weather | Source*: NOAA | Description: Depicts the latest official NWS tropical cyclone center position forecasts for all active systems in the Atlantic, Caribbean Sea, Gulf of Mexico, Eastern Pacific Ocean, and Central Pacific Ocean. | URL**: https://nowcoast.noaa.gov/arcgis/rest/services/nowcoast/wwa_meteocean_tropicalcyclones_trackintensityfcsts_time/MapServer/3 |
| Name: Tropical Cyclone Cone of Uncertainty for Track Forecasts | Group: Tropical Weather | Source*: NOAA | Description: Depicts the latest official NWS tropical cyclone forecast tracks and the cone of uncertainty for all active systems in the Atlantic, Caribbean Sea, Gulf of Mexico, Eastern Pacific Ocean, and Central Pacific Ocean. | URL**: https://nowcoast.noaa.gov/arcgis/rest/services/nowcoast/wwa_meteocean_tropicalcyclones_trackintensityfcsts_time/MapServer/5 |
| Name: Tropical Cyclone Observed Center Positions | Group: Tropical Weather | Source*: NOAA | Description: Depicts the latest official NWS tropical cyclone observed center positions for all active systems in the Atlantic, Caribbean Sea, Gulf of Mexico, Eastern Pacific Ocean, and Central Pacific Ocean. | URL**: https://nowcoast.noaa.gov/arcgis/rest/services/nowcoast/wwa_meteocean_tropicalcyclones_trackintensityfcsts_time/MapServer/7 |
| Name: Tropical Cyclone Observed Surface Wind Swath | Group: Tropical Weather | Source*: NOAA | Description: Depicts the latest official NWS tropical cyclone observed surface wind swath for all active systems in the Atlantic, Caribbean Sea, Gulf of Mexico, Eastern Pacific Ocean, and Central Pacific Ocean. | URL**: https://nowcoast.noaa.gov/arcgis/rest/services/nowcoast/wwa_meteocean_tropicalcyclones_trackintensityfcsts_time/MapServer/9 |
| Name: Tropical Cyclone Observed Track Line | Group: Tropical Weather | Source*: NOAA | Description: Depicts the latest official NWS tropical cyclone observed track line for all active systems in the Atlantic, Caribbean Sea, Gulf of Mexico, Eastern Pacific Ocean, and Central Pacific Ocean. | URL**: https://nowcoast.noaa.gov/arcgis/rest/services/nowcoast/wwa_meteocean_tropicalcyclones_trackintensityfcsts_time/MapServer/8 |
| Name: Tropical Cyclone Track Line Forecasts | Group: Tropical Weather | Source*: NOAA | Description: Depicts the latest official NWS tropical cyclone forecast tracks for all active systems in the Atlantic, Caribbean Sea, Gulf of Mexico, Eastern Pacific Ocean, and Central Pacific Ocean. | URL**: https://nowcoast.noaa.gov/arcgis/rest/services/nowcoast/wwa_meteocean_tropicalcyclones_trackintensityfcsts_time/MapServer/4 |
| Name: Tropical Cyclone Watches and Warnings for Coast | Group: Tropical Weather | Source*: NOAA | Description: Depicts the latest official NWS tropical cyclone watches and warnings for all active systems in the Atlantic, Caribbean Sea, Gulf of Mexico, Eastern Pacific Ocean, and Central Pacific Ocean. | URL**: https://nowcoast.noaa.gov/arcgis/rest/services/nowcoast/wwa_meteocean_tropicalcyclones_trackintensityfcsts_time/MapServer/2 |
| Name: Vulnerable Populations by Census Tract | Group: Vulnerable Populations by Census Tract | Source*: MDPH Bureau of Climate and Environmental Health | Description: Created by the BCEH to identify vulnerable areas. Includes different data indicators at the census tract level. | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/DPH/CC_VulnMap/MapServer/15 |
| Name: Vulnerable Populations by Community | Group: Vulnerable Populations by Community | Source*: MDPH Bureau of Climate and Environmental Health | Description: Created by the BCEH to identify vulnerable areas. Includes different data indicators at the community level. | URL**: https://arcgisserver.digital.mass.gov/arcgisserver/rest/services/DPH/CC_VulnMap/MapServer/1 |
| Name: Watches & Warnings | Group: Weather Watches & Warnings | Source*: National Centers for Environmental Prediction | Description: Watches, warnings and advisories for the U.S. A watch indicates that conditions are favorable for the particular weather event in and near the Watch area, and which may pose a risk to life and property. | URL**: https://idpgis.ncep.noaa.gov/arcgis/rest/services/NWS_Forecasts_Guidance_Warnings/watch_warn_adv/MapServer/1 |
| Name: Weather Radar Locations | Group: Weather | Source*: NOAA | Description: Weather Radar Reflectivities | URL**: https://nowcoast.noaa.gov/arcgis/rest/services/nowcoast/obs_meteoceanhydro_remote_pts_areas_geolinks/MapServer/3 |