First published Oct 20, 2026, 11:18:16 PM UTC · Last updated Oct 20, 2026, 11:18:16 PM UTC

Medium satellite-observed smoke area centered at 48.595°N, 120.267°W — Near Winthrop, WA, United States

NOAA HMS classified a satellite-observed smoke area near Winthrop, Washington, as medium density; GOES-EAST observed it from 2026-10-20T17:00:00Z to 2026-10-20T20:00:00Z. The source states this is not a ground-level air-quality measurement or health alert.

At a glance

Affected location: Near Winthrop, Washington, United States

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Why it matters

The source clarifies that the observation describes smoke extent, not ground-level air quality or a health alert.

Location

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Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 6/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 1/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 2/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 1/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

NOAA HMS Smoke Detection Medium satellite-observed smoke area centered at 48.595°N, 120.267°W — Near Winthrop, WA, United StatesNOAA/NESDIS Hazard Mapping System (HMS) Usage terms

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Heavy satellite-observed smoke area centered at 47.973°N, 118.730°W — Near Keller, WA, United StatesOct 20, 2026, 5:00 PM UTC
NOAA HMS classified a satellite-observed smoke area near Keller, Washington, as heavy density. The excerpt says it is an observed smoke extent, not a ground-level air-quality measurement or health alert.
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Heavy satellite-observed smoke area centered at 48.579°N, 120.272°W — Near Winthrop, WA, United StatesOct 20, 2026, 5:00 PM UTC
NOAA HMS classified the observed smoke as heavy density during the reported observation period. The source clarifies that this is not a ground-level air-quality measurement or health alert.
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A medium-density smoke area was observed by GOES-EAST near Almira, Washington, between 17:00 and 20:00 UTC on October 20, 2026. The source says this is not a ground-level air-quality measurement or health alert.
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Medium satellite-observed smoke area centered at 46.894°N, 121.059°W — Near Naches, WA, United StatesOct 20, 2026, 5:00 PM UTC
NOAA classified a satellite-observed smoke area near Naches, Washington, as medium density. The source notes that this is not a ground-level air-quality measurement or health alert.
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Heavy satellite-observed smoke area centered at 48.064°N, 118.702°W — Near Keller, WA, United StatesOct 20, 2026, 3:00 PM UTC
NOAA HMS classified a satellite-observed smoke area near Keller, Washington, as heavy density, based on GOES-East observations from 15:00 to 17:00 UTC on October 20, 2026. The source states this is not a ground-level air-quality measurement or health alert.
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Medium satellite-observed smoke area centered at 48.626°N, 120.277°W — Near Mazama, WA, United StatesOct 20, 2026, 3:00 PM UTC
NOAA HMS classified smoke observed by GOES-East near Mazama as medium density during a two-hour observation period on October 20, 2026. The source notes this is not a ground-level air-quality measurement or health alert.

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