Wildfire Alert Report

Date: 2025-10-28
Time: 17:51:17
Production Date and Time: 2025-10-28 17:56:18 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20253011751171_e20253011753545_c20253011754044.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20253011746171_e20253011748545_c20253011749048.nc
Number Of Thermal Anomaly Alerts: 4
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Possible Wildfire

Basic Information
State/Province(s) British Columbia
Country/Countries Canada
County/Locality(s) East Kootenay, British Columbia
NWS WFO N/A
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-10-28 17:51:23UTC
Radiative Center (Lat, Lon): 49.108891°, -114.594719°
Nearby Counties (meeting alert criteria):
  • East Kootenay (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power48.97 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)293.76 K
Observed - Background BT (3.9 um)15.92 K
BT Anomaly (3.9 um)6.89 K
Maximum Observed - Clear RTM BT (3.9 um)20.92 K
Maximum Observed BTD (3.9-10/11/12 um)26.77 K
Observed - Background BTD (3.9-10/11/12 um)15.59 K
BTD Anomaly (3.9-10/11/12 um)4.77 K
Similar Pixel Count0
BT Time Tendency (3.9 um)9.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.66
Fraction of Surrounding Red Channel Pixels that are Brighter0.88
Maximum Radiative Power48.97 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 60.70°
Mean Solar Zenith Angle 65.20°
Mean Glint Angle105.70°
Water Fraction0.00
Total Pixel Area 8.20 km2
Latest Satellite Imagery:
  • None Available
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Possible Wildfire

Basic Information
State/Province(s) ID
Country/Countries United States
County/Locality(s) Clearwater County, ID
NWS WFO Missoula MT
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-10-28 17:51:23UTC
Radiative Center (Lat, Lon): 46.331665°, -115.816109°
Nearby Counties (meeting alert criteria):
  • Clearwater County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power55.27 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)293.24 K
Observed - Background BT (3.9 um)16.94 K
BT Anomaly (3.9 um)7.43 K
Maximum Observed - Clear RTM BT (3.9 um)16.78 K
Maximum Observed BTD (3.9-10/11/12 um)23.27 K
Observed - Background BTD (3.9-10/11/12 um)15.83 K
BTD Anomaly (3.9-10/11/12 um)7.40 K
Similar Pixel Count0
BT Time Tendency (3.9 um)3.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.99
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power55.27 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 57.60°
Mean Solar Zenith Angle 63.10°
Mean Glint Angle101.20°
Water Fraction0.00
Total Pixel Area 7.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Tehama County, CA
NWS WFO Sacramento CA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-10-28 17:51:53UTC
Radiative Center (Lat, Lon): 40.359722°, -121.512779°
Nearby Counties (meeting alert criteria):
  • Tehama County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power11.91 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)290.85 K
Observed - Background BT (3.9 um)5.03 K
BT Anomaly (3.9 um)3.35 K
Maximum Observed - Clear RTM BT (3.9 um)0.83 K
Maximum Observed BTD (3.9-10/11/12 um)7.72 K
Observed - Background BTD (3.9-10/11/12 um)4.64 K
BTD Anomaly (3.9-10/11/12 um)5.07 K
Similar Pixel Count2
BT Time Tendency (3.9 um)1.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.63
Fraction of Surrounding Red Channel Pixels that are Brighter0.95
Maximum Radiative Power11.91 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 49.60°
Mean Solar Zenith Angle 60.00°
Mean Glint Angle92.00°
Water Fraction0.00
Total Pixel Area 6.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Placer County, CA
NWS WFO Sacramento CA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-10-28 17:51:53UTC
Radiative Center (Lat, Lon): 38.979721°, -120.493889°
Nearby Counties (meeting alert criteria):
  • Placer County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power23.56 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)300.63 K
Observed - Background BT (3.9 um)7.94 K
BT Anomaly (3.9 um)14.95 K
Maximum Observed - Clear RTM BT (3.9 um)8.33 K
Maximum Observed BTD (3.9-10/11/12 um)9.98 K
Observed - Background BTD (3.9-10/11/12 um)5.87 K
BTD Anomaly (3.9-10/11/12 um)14.72 K
Similar Pixel Count2
BT Time Tendency (3.9 um)3.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder1.00
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power23.56 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 48.50°
Mean Solar Zenith Angle 58.40°
Mean Glint Angle89.30°
Water Fraction0.00
Total Pixel Area 6.00 km2
Latest Satellite Imagery:
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