Wildfire Alert Report

Date: 2025-11-21
Time: 19:41:18
Production Date and Time: 2025-11-21 19:46:24 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20253251941188_e20253251943561_c20253251944036.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20253251936188_e20253251938561_c20253251939040.nc
Number Of Thermal Anomaly Alerts: 5
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Possible Wildfire

Basic Information
State/Province(s) Manitoba
Country/Countries Canada
County/Locality(s) Division No. 15, Manitoba
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-11-21 19:41:25UTC
Radiative Center (Lat, Lon): 50.493057°, -100.693054°
Nearby Counties (meeting alert criteria):
  • Division No. 15 (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power14.70 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)286.08 K
Observed - Background BT (3.9 um)5.53 K
BT Anomaly (3.9 um)3.23 K
Maximum Observed - Clear RTM BT (3.9 um)15.22 K
Maximum Observed BTD (3.9-10/11/12 um)11.94 K
Observed - Background BTD (3.9-10/11/12 um)4.55 K
BTD Anomaly (3.9-10/11/12 um)3.55 K
Similar Pixel Count12
BT Time Tendency (3.9 um)3.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.87
Fraction of Surrounding Red Channel Pixels that are Brighter0.90
Maximum Radiative Power14.70 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 67.60°
Mean Solar Zenith Angle 71.90°
Mean Glint Angle132.50°
Water Fraction0.00
Total Pixel Area 10.50 km2
Latest Satellite Imagery:
  • None Available
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Possible Wildfire

Basic Information
State/Province(s) ND
Country/Countries United States
County/Locality(s) McHenry County, ND
NWS WFO Bismarck ND
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-11-21 19:41:25UTC
Radiative Center (Lat, Lon): 47.995834°, -100.965553°
Nearby Counties (meeting alert criteria):
  • McHenry County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power54.29 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)298.67 K
Observed - Background BT (3.9 um)12.34 K
BT Anomaly (3.9 um)10.66 K
Maximum Observed - Clear RTM BT (3.9 um)21.79 K
Maximum Observed BTD (3.9-10/11/12 um)20.06 K
Observed - Background BTD (3.9-10/11/12 um)12.33 K
BTD Anomaly (3.9-10/11/12 um)21.56 K
Similar Pixel Count0
BT Time Tendency (3.9 um)12.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.65
Fraction of Surrounding Red Channel Pixels that are Brighter0.88
Maximum Radiative Power54.29 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 65.60°
Mean Solar Zenith Angle 69.50°
Mean Glint Angle128.30°
Water Fraction0.00
Total Pixel Area 9.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) ND
Country/Countries United States
County/Locality(s) Stutsman County, ND
NWS WFO Bismarck ND
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-11-21 19:41:25UTC
Radiative Center (Lat, Lon): 46.774445°, -98.748611°
Nearby Counties (meeting alert criteria):
  • Stutsman County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power408.45 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)312.92 K
Observed - Background BT (3.9 um)24.86 K
BT Anomaly (3.9 um)18.51 K
Maximum Observed - Clear RTM BT (3.9 um)35.88 K
Maximum Observed BTD (3.9-10/11/12 um)32.76 K
Observed - Background BTD (3.9-10/11/12 um)23.99 K
BTD Anomaly (3.9-10/11/12 um)29.62 K
Similar Pixel Count0
BT Time Tendency (3.9 um)22.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.99
Fraction of Surrounding Red Channel Pixels that are Brighter0.88
Maximum Radiative Power213.02 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 65.80°
Mean Solar Zenith Angle 68.80°
Mean Glint Angle127.60°
Water Fraction0.00
Total Pixel Area 39.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) OR
Country/Countries United States
County/Locality(s) Crook County, OR
NWS WFO Pendleton OR
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-11-21 19:41:24UTC
Radiative Center (Lat, Lon): 43.873890°, -120.359726°
Nearby Counties (meeting alert criteria):
  • Crook County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power46.67 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.72 K
Observed - Background BT (3.9 um)11.23 K
BT Anomaly (3.9 um)5.29 K
Maximum Observed - Clear RTM BT (3.9 um)25.40 K
Maximum Observed BTD (3.9-10/11/12 um)32.06 K
Observed - Background BTD (3.9-10/11/12 um)10.76 K
BTD Anomaly (3.9-10/11/12 um)3.66 K
Similar Pixel Count0
BT Time Tendency (3.9 um)1.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.56
Fraction of Surrounding Red Channel Pixels that are Brighter0.75
Maximum Radiative Power46.67 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.60°
Mean Solar Zenith Angle 63.50°
Mean Glint Angle112.90°
Water Fraction0.00
Total Pixel Area 6.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Butte County, CA
NWS WFO Sacramento CA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-11-21 19:41:54UTC
Radiative Center (Lat, Lon): 39.631111°, -121.420830°
Nearby Counties (meeting alert criteria):
  • Butte County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power5.20 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)294.66 K
Observed - Background BT (3.9 um)2.74 K
BT Anomaly (3.9 um)1.96 K
Maximum Observed - Clear RTM BT (3.9 um)11.39 K
Maximum Observed BTD (3.9-10/11/12 um)6.91 K
Observed - Background BTD (3.9-10/11/12 um)1.84 K
BTD Anomaly (3.9-10/11/12 um)2.95 K
Similar Pixel Count22
BT Time Tendency (3.9 um)0.50 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 Power5.20 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 48.90°
Mean Solar Zenith Angle 59.30°
Mean Glint Angle104.20°
Water Fraction0.00
Total Pixel Area 6.10 km2
Latest Satellite Imagery:
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