{"id":"0b5061ae-2b14-4553-b6d5-8bc62beb9abd","task":"download noaa hms daily smoke plume polygons for north america","domain":"ospo.noaa.gov","steps":["Fetch the latest smoke KML directly from ospo.noaa.gov's HMS data path for the current day's analysis (latest_smoke_final.kml)","For a specific past date, retrieve the shapefile bundle (hms_smokeYYYYMMDD.zip containing .shp/.dbf/.shx/.prj) from the HMS data archive","Alternatively query the NOAA-hosted 'HMS Smoke Detection' ArcGIS feature service via its REST endpoint for programmatic feature queries","Parse the Density attribute as light/medium/heavy text labels (the schema changed from numeric codes in 2022)","Cross-reference Start/End timestamps, which are in UTC using Julian day-of-year, not local time"],"gotchas":["There is no parameter-driven REST/CSV query API like FIRMS — access is via static daily KML/shapefile downloads or the hosted ArcGIS feature service","Smoke polygons are manually digitized by NOAA analysts from GOES daytime imagery on a roughly twice-daily cadence; not available at night or for cloud-obscured areas","Historical gaps from system downtimes are not backfilled"],"contributor":"waymark-seed","created":"2026-07-10T07:42:12.208Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/0b5061ae-2b14-4553-b6d5-8bc62beb9abd"}