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Wildfire Notification Report

Date: 2026-04-09
Time: 19:46:18
Production Date and Time: 2026-04-09 19:51:16 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20260991946185_e20260991948558_c20260991949051.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20260991941185_e20260991943558_c20260991944064.nc
Number Of Thermal Anomaly Notifications: 3
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Possible Wildfire

Basic Information
State/Province(s) ID
Country/Countries United States
County/Locality(s) Bonner County, ID
NWS WFO Spokane WA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-09 19:46:24UTC
Radiative Center (Lat, Lon): 48.312500°, -116.971390°
Nearby Counties (meeting notification criteria):
  • Bonner County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power10.16 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk, Known Incident: D8 RX Jasper Stew (HIGH, tdiff=0.17458 days, Point)
Event Priority Ranking4
Maximum Observed BT (3.9 um)294.31 K
Observed - Background BT (3.9 um)2.40 K
BT Anomaly (3.9 um)1.29 K
Maximum Observed - Clear RTM BT (3.9 um)7.35 K
Maximum Observed BTD (3.9-10/11/12 um)9.16 K
Observed - Background BTD (3.9-10/11/12 um)2.78 K
BTD Anomaly (3.9-10/11/12 um)3.37 K
Similar Pixel Count10
BT Time Tendency (3.9 um)2.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.40
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power10.16 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 59.10°
Mean Solar Zenith Angle 41.10°
Mean Glint Angle96.60°
Water Fraction0.00
Total Pixel Area 7.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WA
Country/Countries United States
County/Locality(s) Garfield County, WA
NWS WFO Spokane WA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-09 19:46:24UTC
Radiative Center (Lat, Lon): 46.579445°, -117.431114°
Nearby Counties (meeting notification criteria):
  • Garfield County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power48.79 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)309.87 K
Observed - Background BT (3.9 um)6.28 K
BT Anomaly (3.9 um)3.88 K
Maximum Observed - Clear RTM BT (3.9 um)21.68 K
Maximum Observed BTD (3.9-10/11/12 um)13.64 K
Observed - Background BTD (3.9-10/11/12 um)5.10 K
BTD Anomaly (3.9-10/11/12 um)5.52 K
Similar Pixel Count5
BT Time Tendency (3.9 um)5.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.40
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power28.21 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 57.20°
Mean Solar Zenith Angle 39.40°
Mean Glint Angle93.10°
Water Fraction0.00
Total Pixel Area 14.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WA
Country/Countries United States
County/Locality(s) Yakima County, WA
NWS WFO Pendleton OR
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-09 19:46:24UTC
Radiative Center (Lat, Lon): 46.070835°, -121.198891°
Nearby Counties (meeting notification criteria):
  • Yakima County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8.16 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)297.49 K
Observed - Background BT (3.9 um)3.06 K
BT Anomaly (3.9 um)1.81 K
Maximum Observed - Clear RTM BT (3.9 um)7.62 K
Maximum Observed BTD (3.9-10/11/12 um)8.29 K
Observed - Background BTD (3.9-10/11/12 um)2.49 K
BTD Anomaly (3.9-10/11/12 um)3.53 K
Similar Pixel Count14
BT Time Tendency (3.9 um)1.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.47
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power8.16 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.60°
Mean Solar Zenith Angle 39.10°
Mean Glint Angle90.80°
Water Fraction0.00
Total Pixel Area 7.10 km2
Latest Satellite Imagery:
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