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Wildfire Alert Report

Date: 2025-10-21
Time: 18:51:18
Production Date and Time: 2025-10-21 18:56:18 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20252941851183_e20252941853556_c20252941854010.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20252941846183_e20252941848556_c20252941849025.nc
Number Of Thermal Anomaly Alerts: 5
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Possible Wildfire

Basic Information
State/Province(s) ID
Country/Countries United States
County/Locality(s) Shoshone County, ID
NWS WFO Spokane WA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-10-21 18:51:24UTC
Radiative Center (Lat, Lon): 46.973057°, -115.915558°
Nearby Counties (meeting alert criteria):
  • Shoshone County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power30.08 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)290.51 K
Observed - Background BT (3.9 um)6.60 K
BT Anomaly (3.9 um)3.12 K
Maximum Observed - Clear RTM BT (3.9 um)9.57 K
Maximum Observed BTD (3.9-10/11/12 um)10.35 K
Observed - Background BTD (3.9-10/11/12 um)5.77 K
BTD Anomaly (3.9-10/11/12 um)2.77 K
Similar Pixel Count2
BT Time Tendency (3.9 um)1.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.85
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power16.60 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.20°
Mean Solar Zenith Angle 58.10°
Mean Glint Angle106.60°
Water Fraction0.00
Total Pixel Area 15.20 km2
Latest Satellite Imagery:
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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 (Clear)
Mean Object Date/Time2025-10-21 18:51:24UTC
Radiative Center (Lat, Lon): 46.860832°, -116.153053°
Nearby Counties (meeting alert criteria):
  • Clearwater County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power11.21 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)287.66 K
Observed - Background BT (3.9 um)4.48 K
BT Anomaly (3.9 um)2.27 K
Maximum Observed - Clear RTM BT (3.9 um)6.77 K
Maximum Observed BTD (3.9-10/11/12 um)9.69 K
Observed - Background BTD (3.9-10/11/12 um)5.13 K
BTD Anomaly (3.9-10/11/12 um)4.24 K
Similar Pixel Count3
BT Time Tendency (3.9 um)1.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.17
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power11.21 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.00°
Mean Solar Zenith Angle 58.00°
Mean Glint Angle106.40°
Water Fraction0.00
Total Pixel Area 7.50 km2
Latest Satellite Imagery:
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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 (Clear)
Mean Object Date/Time2025-10-21 18:51:24UTC
Radiative Center (Lat, Lon): 46.659721°, -115.603333°
Nearby Counties (meeting alert criteria):
  • Clearwater County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power24.70 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)292.02 K
Observed - Background BT (3.9 um)8.42 K
BT Anomaly (3.9 um)2.95 K
Maximum Observed - Clear RTM BT (3.9 um)11.21 K
Maximum Observed BTD (3.9-10/11/12 um)13.41 K
Observed - Background BTD (3.9-10/11/12 um)9.32 K
BTD Anomaly (3.9-10/11/12 um)3.45 K
Similar Pixel Count1
BT Time Tendency (3.9 um)2.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.17
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power24.70 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.00°
Mean Solar Zenith Angle 57.80°
Mean Glint Angle106.10°
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) Trinity County, CA
NWS WFO Eureka CA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-10-21 18:51:53UTC
Radiative Center (Lat, Lon): 40.861111°, -123.567223°
Nearby Counties (meeting alert criteria):
  • Trinity County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power30.68 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)299.65 K
Observed - Background BT (3.9 um)9.59 K
BT Anomaly (3.9 um)7.43 K
Maximum Observed - Clear RTM BT (3.9 um)4.41 K
Maximum Observed BTD (3.9-10/11/12 um)14.25 K
Observed - Background BTD (3.9-10/11/12 um)10.74 K
BTD Anomaly (3.9-10/11/12 um)18.28 K
Similar Pixel Count1
BT Time Tendency (3.9 um)1.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.06
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power30.68 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 49.50°
Mean Solar Zenith Angle 53.70°
Mean Glint Angle94.50°
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) Glenn County, CA
NWS WFO Sacramento CA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-10-21 18:51:54UTC
Radiative Center (Lat, Lon): 39.505001°, -122.196114°
Nearby Counties (meeting alert criteria):
  • Glenn County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power16.78 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)307.53 K
Observed - Background BT (3.9 um)4.88 K
BT Anomaly (3.9 um)2.80 K
Maximum Observed - Clear RTM BT (3.9 um)11.60 K
Maximum Observed BTD (3.9-10/11/12 um)11.58 K
Observed - Background BTD (3.9-10/11/12 um)4.41 K
BTD Anomaly (3.9-10/11/12 um)7.65 K
Similar Pixel Count11
BT Time Tendency (3.9 um)3.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.68
Fraction of Surrounding Red Channel Pixels that are Brighter0.47
Maximum Radiative Power16.78 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 48.50°
Mean Solar Zenith Angle 52.10°
Mean Glint Angle91.80°
Water Fraction0.00
Total Pixel Area 6.00 km2
Latest Satellite Imagery:
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