Wildfire Alert Report

Date: 2025-08-23
Time: 01:40:55
Production Date and Time: 2025-08-23 01:41:36 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadM2-M6C14_G18_s20252350140555_e20252350141013_c20252350141070.nc
L1 File(s) - TemporalNONE
Number Of Thermal Anomaly Alerts: 6
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Powell County, MT
NWS WFO Missoula MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-08-23 01:40:56UTC
Radiative Center (Lat, Lon): 46.731388°, -112.894165°
Nearby Counties (meeting alert criteria):
  • Powell County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power45.20 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)300.18 K
Observed - Background BT (3.9 um)11.55 K
BT Anomaly (3.9 um)11.03 K
Maximum Observed - Clear RTM BT (3.9 um)12.82 K
Maximum Observed BTD (3.9-10/11/12 um)14.92 K
Observed - Background BTD (3.9-10/11/12 um)12.67 K
BTD Anomaly (3.9-10/11/12 um)25.34 K
Similar Pixel Count1
BT Time Tendency (3.9 um)-999.00 K
Image Interval-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.05
Fraction of Surrounding Red Channel Pixels that are Brighter0.94
Maximum Radiative Power45.20 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 59.10°
Mean Solar Zenith Angle 82.50°
Mean Glint Angle104.70°
Water Fraction0.00
Total Pixel Area 7.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Madison County, MT
NWS WFO Great Falls MT
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-08-23 01:40:56UTC
Radiative Center (Lat, Lon): 45.535831°, -112.069443°
Nearby Counties (meeting alert criteria):
  • Madison County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power1289.40 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk, Known Incident: Cloudrest (HIGH, tdiff=0.6375 days, Perimeter)
Event Priority Ranking4
Maximum Observed BT (3.9 um)347.32 K
Observed - Background BT (3.9 um)56.72 K
BT Anomaly (3.9 um)25.99 K
Maximum Observed - Clear RTM BT (3.9 um)59.44 K
Maximum Observed BTD (3.9-10/11/12 um)60.42 K
Observed - Background BTD (3.9-10/11/12 um)57.98 K
BTD Anomaly (3.9-10/11/12 um)75.66 K
Similar Pixel Count0
BT Time Tendency (3.9 um)-999.00 K
Image Interval-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.25
Fraction of Surrounding Red Channel Pixels that are Brighter0.00
Maximum Radiative Power468.80 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.30°
Mean Solar Zenith Angle 83.20°
Mean Glint Angle105.50°
Water Fraction0.00
Total Pixel Area 38.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WY
Country/Countries United States
County/Locality(s) Sublette County, WY
NWS WFO Riverton WY
Identification MethodEnhanced Contextual (Bias)
Mean Object Date/Time2025-08-23 01:40:57UTC
Radiative Center (Lat, Lon): 43.317780°, -109.984169°
Nearby Counties (meeting alert criteria):
  • Sublette County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8575.21 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk, Known Incident: Dollar Lake (HIGH, tdiff=0.25809 days, Perimeter)
Event Priority Ranking4
Maximum Observed BT (3.9 um)403.27 K
Observed - Background BT (3.9 um)111.40 K
BT Anomaly (3.9 um)324.78 K
Maximum Observed - Clear RTM BT (3.9 um)113.99 K
Maximum Observed BTD (3.9-10/11/12 um)108.22 K
Observed - Background BTD (3.9-10/11/12 um)105.58 K
BTD Anomaly (3.9-10/11/12 um)321.50 K
Similar Pixel Count0
BT Time Tendency (3.9 um)-999.00 K
Image Interval-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder1.00
Fraction of Surrounding Red Channel Pixels that are Brighter0.12
Maximum Radiative Power2212.64 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 57.20°
Mean Solar Zenith Angle 85.10°
Mean Glint Angle107.80°
Water Fraction0.00
Total Pixel Area 125.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WY
Country/Countries United States
County/Locality(s) Lincoln County, WY
NWS WFO Riverton WY
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-08-23 01:40:57UTC
Radiative Center (Lat, Lon): 42.533890°, -110.946114°
Nearby Counties (meeting alert criteria):
  • Lincoln County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power1140.60 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk, Known Incident: Willow Creek (HIGH, tdiff=0.08895 days, Point)
Event Priority Ranking4
Maximum Observed BT (3.9 um)354.01 K
Observed - Background BT (3.9 um)60.82 K
BT Anomaly (3.9 um)45.37 K
Maximum Observed - Clear RTM BT (3.9 um)61.30 K
Maximum Observed BTD (3.9-10/11/12 um)62.91 K
Observed - Background BTD (3.9-10/11/12 um)59.11 K
BTD Anomaly (3.9-10/11/12 um)66.41 K
Similar Pixel Count0
BT Time Tendency (3.9 um)-999.00 K
Image Interval-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.94
Fraction of Surrounding Red Channel Pixels that are Brighter0.17
Maximum Radiative Power529.28 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.10°
Mean Solar Zenith Angle 84.60°
Mean Glint Angle107.00°
Water Fraction0.00
Total Pixel Area 28.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) NV
Country/Countries United States
County/Locality(s) Elko County, NV
NWS WFO Elko NV
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-08-23 01:40:56UTC
Radiative Center (Lat, Lon): 41.651390°, -116.171669°
Nearby Counties (meeting alert criteria):
  • Elko County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power81.48 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk, Known Incident: Cottonwood Peak (HIGH, tdiff=0.53183 days, Perimeter)
Event Priority Ranking4
Maximum Observed BT (3.9 um)316.87 K
Observed - Background BT (3.9 um)17.67 K
BT Anomaly (3.9 um)8.90 K
Maximum Observed - Clear RTM BT (3.9 um)17.37 K
Maximum Observed BTD (3.9-10/11/12 um)22.70 K
Observed - Background BTD (3.9-10/11/12 um)16.79 K
BTD Anomaly (3.9-10/11/12 um)8.71 K
Similar Pixel Count1
BT Time Tendency (3.9 um)-999.00 K
Image Interval-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.84
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power81.48 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.90°
Mean Solar Zenith Angle 80.90°
Mean Glint Angle101.40°
Water Fraction0.00
Total Pixel Area 6.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Kern County, CA
NWS WFO Hanford CA
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-08-23 01:40:59UTC
Radiative Center (Lat, Lon): 35.583332°, -118.585556°
Nearby Counties (meeting alert criteria):
  • Kern County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power100.88 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)324.55 K
Observed - Background BT (3.9 um)21.99 K
BT Anomaly (3.9 um)14.45 K
Maximum Observed - Clear RTM BT (3.9 um)19.53 K
Maximum Observed BTD (3.9-10/11/12 um)28.57 K
Observed - Background BTD (3.9-10/11/12 um)20.72 K
BTD Anomaly (3.9-10/11/12 um)17.61 K
Similar Pixel Count0
BT Time Tendency (3.9 um)-999.00 K
Image Interval-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.98
Fraction of Surrounding Red Channel Pixels that are Brighter0.93
Maximum Radiative Power100.88 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 45.90°
Mean Solar Zenith Angle 79.80°
Mean Glint Angle98.40°
Water Fraction0.00
Total Pixel Area 5.80 km2
Latest Satellite Imagery:
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