Wildfire Alert Report

Date: 2025-08-22
Time: 05:00:28
Production Date and Time: 2025-08-22 05:01:05 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadM1-M6C14_G18_s20252340500283_e20252340500340_c20252340500402.nc
L1 File(s) - TemporalNONE
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) Idaho County, ID
NWS WFO Missoula MT
Identification MethodEnhanced Contextual (Bias)
Mean Object Date/Time2025-08-22 05:00:30UTC
Radiative Center (Lat, Lon): 46.033054°, -115.377777°
Nearby Counties (meeting alert criteria):
  • Idaho County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power528.53 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk, Known Incident: Island Creek (HIGH, tdiff=1.36166 days, Perimeter)
Event Priority Ranking4
Maximum Observed BT (3.9 um)313.79 K
Observed - Background BT (3.9 um)26.05 K
BT Anomaly (3.9 um)24.24 K
Maximum Observed - Clear RTM BT (3.9 um)29.82 K
Maximum Observed BTD (3.9-10/11/12 um)25.65 K
Observed - Background BTD (3.9-10/11/12 um)25.01 K
BTD Anomaly (3.9-10/11/12 um)71.05 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 Colder0.92
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power167.87 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 57.40°
Mean Solar Zenith Angle 111.00°
Mean Glint Angle87.40°
Water Fraction0.00
Total Pixel Area 81.70 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 (Clear)
Mean Object Date/Time2025-08-22 05:00:31UTC
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 Power30.32 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)295.20 K
Observed - Background BT (3.9 um)10.50 K
BT Anomaly (3.9 um)8.41 K
Maximum Observed - Clear RTM BT (3.9 um)11.58 K
Maximum Observed BTD (3.9-10/11/12 um)11.50 K
Observed - Background BTD (3.9-10/11/12 um)10.86 K
BTD Anomaly (3.9-10/11/12 um)20.15 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 Colder0.32
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power30.32 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.30°
Mean Solar Zenith Angle 112.90°
Mean Glint Angle89.00°
Water Fraction0.00
Total Pixel Area 7.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) OR
Country/Countries United States
County/Locality(s) Jefferson County, OR
NWS WFO Pendleton OR
Identification MethodEnhanced Contextual (Bias)
Mean Object Date/Time2025-08-22 05:00:29UTC
Radiative Center (Lat, Lon): 44.477501°, -121.369720°
Nearby Counties (meeting alert criteria):
  • Jefferson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power1237.66 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk, Known Incident: FLAT (HIGH, tdiff=0.03341 days, Point)
Event Priority Ranking4
Maximum Observed BT (3.9 um)349.45 K
Observed - Background BT (3.9 um)59.97 K
BT Anomaly (3.9 um)44.40 K
Maximum Observed - Clear RTM BT (3.9 um)62.22 K
Maximum Observed BTD (3.9-10/11/12 um)53.62 K
Observed - Background BTD (3.9-10/11/12 um)53.25 K
BTD Anomaly (3.9-10/11/12 um)143.54 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 Brighter1.00
Maximum Radiative Power528.60 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.90°
Mean Solar Zenith Angle 109.10°
Mean Glint Angle86.70°
Water Fraction0.00
Total Pixel Area 61.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) ID
Country/Countries United States
County/Locality(s) Custer County, ID
NWS WFO Pocatello ID
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-08-22 05:00:30UTC
Radiative Center (Lat, Lon): 44.602222°, -115.255836°
Nearby Counties (meeting alert criteria):
  • Custer County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power14.80 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk, Known Incident: Elkhorn (HIGH, tdiff=1.08044 days, Perimeter)
Event Priority Ranking4
Maximum Observed BT (3.9 um)292.18 K
Observed - Background BT (3.9 um)6.56 K
BT Anomaly (3.9 um)4.06 K
Maximum Observed - Clear RTM BT (3.9 um)9.02 K
Maximum Observed BTD (3.9-10/11/12 um)5.75 K
Observed - Background BTD (3.9-10/11/12 um)5.69 K
BTD Anomaly (3.9-10/11/12 um)14.11 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 Power14.80 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.10°
Mean Solar Zenith Angle 112.10°
Mean Glint Angle89.40°
Water Fraction0.00
Total Pixel Area 7.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Napa County, CA
NWS WFO San Francisco CA
Identification MethodEnhanced Contextual (Bias)
Mean Object Date/Time2025-08-22 05:00:33UTC
Radiative Center (Lat, Lon): 38.634724°, -122.510834°
Nearby Counties (meeting alert criteria):
  • Napa County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power483.10 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)323.00 K
Observed - Background BT (3.9 um)27.52 K
BT Anomaly (3.9 um)59.24 K
Maximum Observed - Clear RTM BT (3.9 um)31.66 K
Maximum Observed BTD (3.9-10/11/12 um)25.72 K
Observed - Background BTD (3.9-10/11/12 um)25.55 K
BTD Anomaly (3.9-10/11/12 um)138.98 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 Brighter1.00
Maximum Radiative Power212.37 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 47.40°
Mean Solar Zenith Angle 112.10°
Mean Glint Angle94.00°
Water Fraction0.00
Total Pixel Area 47.30 km2
Latest Satellite Imagery:
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