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Wildfire Notification Report

Date: 2026-04-04
Time: 18:16:17
Production Date and Time: 2026-04-04 18:21:02 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20260941816177_e20260941818550_c20260941819047.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20260941811177_e20260941813551_c20260941814051.nc
Number Of Thermal Anomaly Notifications: 3
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Possible Wildfire

Basic Information
State/Province(s) ND
Country/Countries United States
County/Locality(s) Oliver County, ND
NWS WFO Bismarck ND
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-04 18:16:24UTC
Radiative Center (Lat, Lon): 47.251945°, -101.230003°
Nearby Counties (meeting notification criteria):
  • Oliver County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power33.29 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)286.55 K
Observed - Background BT (3.9 um)12.04 K
BT Anomaly (3.9 um)9.35 K
Maximum Observed - Clear RTM BT (3.9 um)15.74 K
Maximum Observed BTD (3.9-10/11/12 um)17.19 K
Observed - Background BTD (3.9-10/11/12 um)11.32 K
BTD Anomaly (3.9-10/11/12 um)7.24 K
Similar Pixel Count3
BT Time Tendency (3.9 um)-0.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.94
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power33.29 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 64.80°
Mean Solar Zenith Angle 42.50°
Mean Glint Angle91.60°
Water Fraction0.00
Total Pixel Area 9.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Tehama County, CA
NWS WFO Sacramento CA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-04 18:16:53UTC
Radiative Center (Lat, Lon): 39.834167°, -122.087219°
Nearby Counties (meeting notification criteria):
  • Tehama County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power10.33 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.42 K
Observed - Background BT (3.9 um)2.97 K
BT Anomaly (3.9 um)2.12 K
Maximum Observed - Clear RTM BT (3.9 um)9.85 K
Maximum Observed BTD (3.9-10/11/12 um)8.62 K
Observed - Background BTD (3.9-10/11/12 um)2.93 K
BTD Anomaly (3.9-10/11/12 um)3.34 K
Similar Pixel Count7
BT Time Tendency (3.9 um)0.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.50
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power10.33 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 48.80°
Mean Solar Zenith Angle 43.20°
Mean Glint Angle73.80°
Water Fraction0.00
Total Pixel Area 6.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Calaveras County, CA
NWS WFO Sacramento CA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-04 18:16:53UTC
Radiative Center (Lat, Lon): 38.186111°, -120.780556°
Nearby Counties (meeting notification criteria):
  • Calaveras County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power9.76 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)301.11 K
Observed - Background BT (3.9 um)3.03 K
BT Anomaly (3.9 um)1.89 K
Maximum Observed - Clear RTM BT (3.9 um)8.20 K
Maximum Observed BTD (3.9-10/11/12 um)6.72 K
Observed - Background BTD (3.9-10/11/12 um)2.49 K
BTD Anomaly (3.9-10/11/12 um)2.54 K
Similar Pixel Count6
BT Time Tendency (3.9 um)3.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.56
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power9.76 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 47.60°
Mean Solar Zenith Angle 41.30°
Mean Glint Angle70.50°
Water Fraction0.00
Total Pixel Area 5.90 km2
Latest Satellite Imagery:
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