Wildfire Alert Report

Date: 2025-08-21
Time: 20:01:17
Production Date and Time: 2025-08-21 20:06:22 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20252332001175_e20252332003548_c20252332004038.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20252331956175_e20252331958548_c20252331959052.nc
Number Of Thermal Anomaly Alerts: 4
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Possible Wildfire

Basic Information
State/Province(s) WA
Country/Countries United States
County/Locality(s) Adams County, WA
NWS WFO Spokane WA
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-08-21 20:01:23UTC
Radiative Center (Lat, Lon): 47.260277°, -118.960281°
Nearby Counties (meeting alert criteria):
  • Adams County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power193.37 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)335.78 K
Observed - Background BT (3.9 um)18.45 K
BT Anomaly (3.9 um)9.14 K
Maximum Observed - Clear RTM BT (3.9 um)32.15 K
Maximum Observed BTD (3.9-10/11/12 um)33.21 K
Observed - Background BTD (3.9-10/11/12 um)19.41 K
BTD Anomaly (3.9-10/11/12 um)21.87 K
Similar Pixel Count0
BT Time Tendency (3.9 um)14.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.35
Fraction of Surrounding Red Channel Pixels that are Brighter0.20
Maximum Radiative Power193.37 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 57.40°
Mean Solar Zenith Angle 34.70°
Mean Glint Angle89.90°
Water Fraction0.00
Total Pixel Area 7.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) ID
Country/Countries United States
County/Locality(s) Cassia County, ID
NWS WFO Pocatello ID
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-08-21 20:01:53UTC
Radiative Center (Lat, Lon): 42.501389°, -113.426392°
Nearby Counties (meeting alert criteria):
  • Cassia County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power13.95 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)322.26 K
Observed - Background BT (3.9 um)2.06 K
BT Anomaly (3.9 um)1.14 K
Maximum Observed - Clear RTM BT (3.9 um)17.32 K
Maximum Observed BTD (3.9-10/11/12 um)16.06 K
Observed - Background BTD (3.9-10/11/12 um)2.10 K
BTD Anomaly (3.9-10/11/12 um)2.40 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.70
Fraction of Surrounding Red Channel Pixels that are Brighter0.78
Maximum Radiative Power13.95 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.90°
Mean Solar Zenith Angle 30.40°
Mean Glint Angle83.70°
Water Fraction0.00
Total Pixel Area 7.00 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/Time2025-08-21 20:01:53UTC
Radiative Center (Lat, Lon): 40.058056°, -121.644165°
Nearby Counties (meeting alert criteria):
  • Tehama County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power6.79 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)322.46 K
Observed - Background BT (3.9 um)0.84 K
BT Anomaly (3.9 um)0.51 K
Maximum Observed - Clear RTM BT (3.9 um)17.04 K
Maximum Observed BTD (3.9-10/11/12 um)11.35 K
Observed - Background BTD (3.9-10/11/12 um)1.50 K
BTD Anomaly (3.9-10/11/12 um)3.01 K
Similar Pixel Count23
BT Time Tendency (3.9 um)0.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.60
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power6.79 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 49.20°
Mean Solar Zenith Angle 27.50°
Mean Glint Angle74.40°
Water Fraction0.00
Total Pixel Area 6.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Orange County, CA
NWS WFO San Diego CA
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-08-21 20:02:23UTC
Radiative Center (Lat, Lon): 33.467224°, -117.520554°
Nearby Counties (meeting alert criteria):
  • Orange County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power94.29 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)327.85 K
Observed - Background BT (3.9 um)12.69 K
BT Anomaly (3.9 um)6.13 K
Maximum Observed - Clear RTM BT (3.9 um)12.62 K
Maximum Observed BTD (3.9-10/11/12 um)30.70 K
Observed - Background BTD (3.9-10/11/12 um)12.16 K
BTD Anomaly (3.9-10/11/12 um)9.05 K
Similar Pixel Count0
BT Time Tendency (3.9 um)8.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.80
Fraction of Surrounding Red Channel Pixels that are Brighter0.81
Maximum Radiative Power94.29 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 44.40°
Mean Solar Zenith Angle 21.00°
Mean Glint Angle63.60°
Water Fraction0.00
Total Pixel Area 5.60 km2
Latest Satellite Imagery:
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