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Wildfire Notification Report

Date: 2026-09-20
Time: 22:31:17
Production Date and Time: 2026-09-20 22:36:05 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20262632231179_e20262632233552_c20262632234041.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20262632226179_e20262632228554_c20262632229041.nc
Number Of Thermal Anomaly Notifications: 4
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Possible Wildfire

Basic Information
State/Province(s) British Columbia
Country/Countries Canada
County/Locality(s) Fraser Valley, British Columbia
NWS WFO N/A
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-09-20 22:31:22UTC
Radiative Center (Lat, Lon): 49.700554°, -121.249168°
Nearby Counties (meeting notification criteria):
  • Fraser Valley (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power74.32 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)315.43 K
Observed - Background BT (3.9 um)14.01 K
BT Anomaly (3.9 um)5.69 K
Maximum Observed - Clear RTM BT (3.9 um)28.64 K
Maximum Observed BTD (3.9-10/11/12 um)19.88 K
Observed - Background BTD (3.9-10/11/12 um)13.39 K
BTD Anomaly (3.9-10/11/12 um)10.93 K
Similar Pixel Count0
BT Time Tendency (3.9 um)9.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.89
Fraction of Surrounding Red Channel Pixels that are Brighter0.37
Maximum Radiative Power74.32 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 59.30°
Mean Solar Zenith Angle 58.30°
Mean Glint Angle112.70°
Water Fraction0.00
Total Pixel Area 7.80 km2
Latest Satellite Imagery:
  • None Available
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Possible Wildfire

Basic Information
State/Province(s) British Columbia
Country/Countries Canada
County/Locality(s) Cowichan Valley, British Columbia
NWS WFO N/A
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-09-20 22:31:22UTC
Radiative Center (Lat, Lon): 49.035831°, -124.542503°
Nearby Counties (meeting notification criteria):
  • Cowichan Valley (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power54.70 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)305.92 K
Observed - Background BT (3.9 um)13.14 K
BT Anomaly (3.9 um)7.18 K
Maximum Observed - Clear RTM BT (3.9 um)13.51 K
Maximum Observed BTD (3.9-10/11/12 um)18.59 K
Observed - Background BTD (3.9-10/11/12 um)13.24 K
BTD Anomaly (3.9-10/11/12 um)12.14 K
Similar Pixel Count0
BT Time Tendency (3.9 um)5.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.60
Fraction of Surrounding Red Channel Pixels that are Brighter0.10
Maximum Radiative Power54.70 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 57.80°
Mean Solar Zenith Angle 56.30°
Mean Glint Angle109.30°
Water Fraction0.00
Total Pixel Area 7.50 km2
Latest Satellite Imagery:
  • None Available
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Possible Wildfire

Basic Information
State/Province(s) WA
Country/Countries United States
County/Locality(s) Whatcom County, WA
NWS WFO Seattle WA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-09-20 22:31:22UTC
Radiative Center (Lat, Lon): 48.762222°, -121.161110°
Nearby Counties (meeting notification criteria):
  • Whatcom County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power107.34 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk, Known Incident: Luna (HIGH, tdiff=0.94948 days, Perimeter)
Event Priority Ranking4
Maximum Observed BT (3.9 um)308.96 K
Observed - Background BT (3.9 um)7.01 K
BT Anomaly (3.9 um)7.46 K
Maximum Observed - Clear RTM BT (3.9 um)20.38 K
Maximum Observed BTD (3.9-10/11/12 um)11.45 K
Observed - Background BTD (3.9-10/11/12 um)5.67 K
BTD Anomaly (3.9-10/11/12 um)8.95 K
Similar Pixel Count5
BT Time Tendency (3.9 um)-0.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder1.00
Fraction of Surrounding Red Channel Pixels that are Brighter0.61
Maximum Radiative Power38.01 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.40°
Mean Solar Zenith Angle 57.70°
Mean Glint Angle111.30°
Water Fraction0.00
Total Pixel Area 30.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Teton County, MT
NWS WFO Great Falls MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-09-20 22:31:23UTC
Radiative Center (Lat, Lon): 47.683334°, -111.874443°
Nearby Counties (meeting notification criteria):
  • Teton County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power24.42 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)304.04 K
Observed - Background BT (3.9 um)3.19 K
BT Anomaly (3.9 um)1.72 K
Maximum Observed - Clear RTM BT (3.9 um)12.65 K
Maximum Observed BTD (3.9-10/11/12 um)11.73 K
Observed - Background BTD (3.9-10/11/12 um)3.98 K
BTD Anomaly (3.9-10/11/12 um)3.79 K
Similar Pixel Count5
BT Time Tendency (3.9 um)3.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.19
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power24.42 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 60.30°
Mean Solar Zenith Angle 61.90°
Mean Glint Angle117.70°
Water Fraction0.00
Total Pixel Area 8.10 km2
Latest Satellite Imagery:
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