Wildfire Alert Report

Date: 2025-09-06
Time: 21:31:17
Production Date and Time: 2025-09-06 21:36:29 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20252492131174_e20252492133547_c20252492134027.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20252492126174_e20252492128547_c20252492129029.nc
Number Of Thermal Anomaly Alerts: 4
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Possible Wildfire

Basic Information
State/Province(s) SD
Country/Countries United States
County/Locality(s) Potter County, SD
NWS WFO Aberdeen SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-09-06 21:31:20UTC
Radiative Center (Lat, Lon): 44.901669°, -100.371948°
Nearby Counties (meeting alert criteria):
  • Potter County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power9.96 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)299.03 K
Observed - Background BT (3.9 um)2.70 K
BT Anomaly (3.9 um)1.67 K
Maximum Observed - Clear RTM BT (3.9 um)8.02 K
Maximum Observed BTD (3.9-10/11/12 um)7.83 K
Observed - Background BTD (3.9-10/11/12 um)2.61 K
BTD Anomaly (3.9-10/11/12 um)5.24 K
Similar Pixel Count24
BT Time Tendency (3.9 um)1.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.53
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power9.96 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 57.80°
Mean Solar Zenith Angle 53.20°
Mean Glint Angle70.50°
Water Fraction0.00
Total Pixel Area 7.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Contra Costa County, CA
NWS WFO San Francisco CA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-09-06 21:31:48UTC
Radiative Center (Lat, Lon): 37.949165°, -122.366386°
Nearby Counties (meeting alert criteria):
  • Contra Costa County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power7.47 MW
Map:
Additional Information
Alert Status New Feature
Type of EventFerrous-metal
Event Priority Ranking5
Maximum Observed BT (3.9 um)303.57 K
Observed - Background BT (3.9 um)2.39 K
BT Anomaly (3.9 um)1.30 K
Maximum Observed - Clear RTM BT (3.9 um)9.41 K
Maximum Observed BTD (3.9-10/11/12 um)10.78 K
Observed - Background BTD (3.9-10/11/12 um)1.77 K
BTD Anomaly (3.9-10/11/12 um)1.67 K
Similar Pixel Count14
BT Time Tendency (3.9 um)0.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.84
Fraction of Surrounding Red Channel Pixels that are Brighter0.92
Maximum Radiative Power7.47 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 65.90°
Mean Solar Zenith Angle 36.40°
Mean Glint Angle66.90°
Water Fraction0.00
Total Pixel Area 9.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Riverside County, CA
NWS WFO San Diego CA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-09-06 21:32:18UTC
Radiative Center (Lat, Lon): 34.021111°, -117.457497°
Nearby Counties (meeting alert criteria):
  • Riverside County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power38.06 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)320.75 K
Observed - Background BT (3.9 um)3.12 K
BT Anomaly (3.9 um)2.01 K
Maximum Observed - Clear RTM BT (3.9 um)16.14 K
Maximum Observed BTD (3.9-10/11/12 um)16.09 K
Observed - Background BTD (3.9-10/11/12 um)2.84 K
BTD Anomaly (3.9-10/11/12 um)3.18 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.67
Fraction of Surrounding Red Channel Pixels that are Brighter0.89
Maximum Radiative Power20.54 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 60.00°
Mean Solar Zenith Angle 36.10°
Mean Glint Angle57.30°
Water Fraction0.00
Total Pixel Area 16.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) AZ
Country/Countries United States
County/Locality(s) Pima County, AZ
NWS WFO Tucson AZ
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-09-06 21:32:18UTC
Radiative Center (Lat, Lon): 31.547777°, -111.699997°
Nearby Counties (meeting alert criteria):
  • Pima County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power5.32 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)313.58 K
Observed - Background BT (3.9 um)3.84 K
BT Anomaly (3.9 um)1.48 K
Maximum Observed - Clear RTM BT (3.9 um)13.60 K
Maximum Observed BTD (3.9-10/11/12 um)24.61 K
Observed - Background BTD (3.9-10/11/12 um)3.94 K
BTD Anomaly (3.9-10/11/12 um)1.94 K
Similar Pixel Count20
BT Time Tendency (3.9 um)2.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.71
Fraction of Surrounding Red Channel Pixels that are Brighter0.60
Maximum Radiative Power5.32 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.10°
Mean Solar Zenith Angle 38.40°
Mean Glint Angle50.00°
Water Fraction0.00
Total Pixel Area 6.80 km2
Latest Satellite Imagery:
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