Wildfire Alert Report

Date: 2025-08-01
Time: 01:55:26
Production Date and Time: 2025-08-01 01:56:15 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadM1-M6C14_G18_s20252130155267_e20252130155325_c20252130155386.nc
L1 File(s) - TemporalOR_ABI-L1b-RadM1-M6C14_G18_s20252130154267_e20252130154325_c20252130154364.nc
Number Of Thermal Anomaly Alerts: 3
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Siskiyou County, CA
NWS WFO Medford OR
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-08-01 01:55:30UTC
Radiative Center (Lat, Lon): 41.311943°, -123.329720°
Nearby Counties (meeting alert criteria):
  • Siskiyou County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power15.47 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk and Red Flag Warning, Known Incident: Butler (HIGH, tdiff=1.62498 days, Perimeter)
Event Priority Ranking1
Maximum Observed BT (3.9 um)300.63 K
Observed - Background BT (3.9 um)4.41 K
BT Anomaly (3.9 um)2.25 K
Maximum Observed - Clear RTM BT (3.9 um)9.61 K
Maximum Observed BTD (3.9-10/11/12 um)8.76 K
Observed - Background BTD (3.9-10/11/12 um)4.30 K
BTD Anomaly (3.9-10/11/12 um)2.34 K
Similar Pixel Count10
BT Time Tendency (3.9 um)-0.20 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.70
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power15.47 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 50.00°
Mean Solar Zenith Angle 73.50°
Mean Glint Angle86.80°
Water Fraction0.00
Total Pixel Area 6.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) UT
Country/Countries United States
County/Locality(s) Millard County, UT
NWS WFO Salt Lake City UT
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-08-01 01:55:32UTC
Radiative Center (Lat, Lon): 39.012501°, -113.062775°
Nearby Counties (meeting alert criteria):
  • Millard County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power80.49 MW
Map:
Additional Information
Alert Status New Feature
Type of EventCritical SPC Risk and Red Flag Warning
Event Priority Ranking1
Maximum Observed BT (3.9 um)318.16 K
Observed - Background BT (3.9 um)17.51 K
BT Anomaly (3.9 um)11.46 K
Maximum Observed - Clear RTM BT (3.9 um)16.56 K
Maximum Observed BTD (3.9-10/11/12 um)19.63 K
Observed - Background BTD (3.9-10/11/12 um)16.90 K
BTD Anomaly (3.9-10/11/12 um)17.54 K
Similar Pixel Count0
BT Time Tendency (3.9 um)15.20 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.79
Fraction of Surrounding Red Channel Pixels that are Brighter0.44
Maximum Radiative Power80.49 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.80°
Mean Solar Zenith Angle 81.70°
Mean Glint Angle98.80°
Water Fraction0.00
Total Pixel Area 6.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) Unknown
Country/Countries Unknown
County/Locality(s) Unknown, Unknown
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-08-01 01:55:30UTC
Radiative Center (Lat, Lon): 38.485554°, -123.221664°
Nearby Counties (meeting alert criteria):
  • Unknown (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power44.27 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)297.44 K
Observed - Background BT (3.9 um)11.62 K
BT Anomaly (3.9 um)8.31 K
Maximum Observed - Clear RTM BT (3.9 um)10.81 K
Maximum Observed BTD (3.9-10/11/12 um)8.58 K
Observed - Background BTD (3.9-10/11/12 um)9.41 K
BTD Anomaly (3.9-10/11/12 um)7.68 K
Similar Pixel Count3
BT Time Tendency (3.9 um)0.10 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.49
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power22.74 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 47.10°
Mean Solar Zenith Angle 74.20°
Mean Glint Angle86.60°
Water Fraction1.00
Total Pixel Area 11.70 km2
Latest Satellite Imagery:
  • None Available
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