Wildfire Alert Report

Date: 2025-08-13
Time: 20:41:18
Production Date and Time: 2025-08-13 20:46:16 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20252252041185_e20252252043559_c20252252044036.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20252252036185_e20252252038559_c20252252039048.nc
Number Of Thermal Anomaly Alerts: 4
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Possible Wildfire

Basic Information
State/Province(s) ID
Country/Countries United States
County/Locality(s) Payette County, ID
NWS WFO Boise ID
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-08-13 20:41:24UTC
Radiative Center (Lat, Lon): 43.816113°, -116.838608°
Nearby Counties (meeting alert criteria):
  • Payette County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power57.64 MW
Map:
Additional Information
Alert Status New Feature
Type of EventElevated SPC Risk
Event Priority Ranking3
Maximum Observed BT (3.9 um)330.36 K
Observed - Background BT (3.9 um)5.77 K
BT Anomaly (3.9 um)3.15 K
Maximum Observed - Clear RTM BT (3.9 um)20.15 K
Maximum Observed BTD (3.9-10/11/12 um)21.05 K
Observed - Background BTD (3.9-10/11/12 um)6.40 K
BTD Anomaly (3.9-10/11/12 um)6.30 K
Similar Pixel Count15
BT Time Tendency (3.9 um)4.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.88
Fraction of Surrounding Red Channel Pixels that are Brighter0.93
Maximum Radiative Power57.64 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.70°
Mean Solar Zenith Angle 30.50°
Mean Glint Angle85.20°
Water Fraction0.00
Total Pixel Area 6.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) UT
Country/Countries United States
County/Locality(s) Box Elder County, UT
NWS WFO Salt Lake City UT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-08-13 20:41:55UTC
Radiative Center (Lat, Lon): 41.674721°, -112.217781°
Nearby Counties (meeting alert criteria):
  • Box Elder County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power95.51 MW
Map:
Additional Information
Alert Status New Feature
Type of EventElevated SPC Risk
Event Priority Ranking3
Maximum Observed BT (3.9 um)322.62 K
Observed - Background BT (3.9 um)6.04 K
BT Anomaly (3.9 um)2.84 K
Maximum Observed - Clear RTM BT (3.9 um)12.19 K
Maximum Observed BTD (3.9-10/11/12 um)19.84 K
Observed - Background BTD (3.9-10/11/12 um)5.49 K
BTD Anomaly (3.9-10/11/12 um)3.68 K
Similar Pixel Count18
BT Time Tendency (3.9 um)3.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.69
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power47.82 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.70°
Mean Solar Zenith Angle 30.30°
Mean Glint Angle85.00°
Water Fraction0.00
Total Pixel Area 13.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) UT
Country/Countries United States
County/Locality(s) Weber County, UT
NWS WFO Salt Lake City UT
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-08-13 20:41:55UTC
Radiative Center (Lat, Lon): 41.319168°, -111.953056°
Nearby Counties (meeting alert criteria):
  • Weber County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power163.70 MW
Map:
Additional Information
Alert Status New Feature
Type of EventElevated SPC Risk
Event Priority Ranking3
Maximum Observed BT (3.9 um)327.87 K
Observed - Background BT (3.9 um)11.35 K
BT Anomaly (3.9 um)5.87 K
Maximum Observed - Clear RTM BT (3.9 um)18.63 K
Maximum Observed BTD (3.9-10/11/12 um)28.13 K
Observed - Background BTD (3.9-10/11/12 um)11.76 K
BTD Anomaly (3.9-10/11/12 um)6.34 K
Similar Pixel Count0
BT Time Tendency (3.9 um)7.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.77
Fraction of Surrounding Red Channel Pixels that are Brighter0.94
Maximum Radiative Power84.01 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.50°
Mean Solar Zenith Angle 30.10°
Mean Glint Angle84.60°
Water Fraction0.00
Total Pixel Area 13.80 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 (Clear)
Mean Object Date/Time2025-08-13 20:41:55UTC
Radiative Center (Lat, Lon): 39.302776°, -112.608612°
Nearby Counties (meeting alert criteria):
  • Millard County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power30.19 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)330.15 K
Observed - Background BT (3.9 um)6.97 K
BT Anomaly (3.9 um)2.71 K
Maximum Observed - Clear RTM BT (3.9 um)17.20 K
Maximum Observed BTD (3.9-10/11/12 um)20.84 K
Observed - Background BTD (3.9-10/11/12 um)7.73 K
BTD Anomaly (3.9-10/11/12 um)3.42 K
Similar Pixel Count11
BT Time Tendency (3.9 um)9.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.41
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power30.19 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.30°
Mean Solar Zenith Angle 28.20°
Mean Glint Angle80.50°
Water Fraction0.00
Total Pixel Area 6.50 km2
Latest Satellite Imagery:
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