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Wildfire Notification Report

Date: 2026-04-21
Time: 22:36:17
Production Date and Time: 2026-04-21 22:41:06 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261112236177_e20261112238551_c20261112239002.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261112231177_e20261112233551_c20261112234024.nc
Number Of Thermal Anomaly Notifications: 6
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Possible Wildfire

Basic Information
State/Province(s) Alberta
Country/Countries Canada
County/Locality(s) Division No. 3, Alberta
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 22:36:19UTC
Radiative Center (Lat, Lon): 49.314724°, -114.015274°
Nearby Counties (meeting notification criteria):
  • Division No. 3 (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power19.29 MW
Map:
Additional Information
Notification Status New Feature
Type of EventOil/Gas
Event Priority Ranking5
Maximum Observed BT (3.9 um)301.07 K
Observed - Background BT (3.9 um)4.18 K
BT Anomaly (3.9 um)2.01 K
Maximum Observed - Clear RTM BT (3.9 um)12.76 K
Maximum Observed BTD (3.9-10/11/12 um)13.68 K
Observed - Background BTD (3.9-10/11/12 um)4.27 K
BTD Anomaly (3.9-10/11/12 um)2.12 K
Similar Pixel Count4
BT Time Tendency (3.9 um)2.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.65
Fraction of Surrounding Red Channel Pixels that are Brighter0.95
Maximum Radiative Power19.29 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 68.00°
Mean Solar Zenith Angle 53.10°
Mean Glint Angle63.50°
Water Fraction0.00
Total Pixel Area 10.70 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) Ward County, ND
NWS WFO Bismarck ND
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 22:36:20UTC
Radiative Center (Lat, Lon): 48.284721°, -101.651947°
Nearby Counties (meeting notification criteria):
  • Ward County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power29.40 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)304.18 K
Observed - Background BT (3.9 um)5.51 K
BT Anomaly (3.9 um)6.79 K
Maximum Observed - Clear RTM BT (3.9 um)11.66 K
Maximum Observed BTD (3.9-10/11/12 um)18.88 K
Observed - Background BTD (3.9-10/11/12 um)6.01 K
BTD Anomaly (3.9-10/11/12 um)4.89 K
Similar Pixel Count10
BT Time Tendency (3.9 um)5.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.21
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power29.40 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 61.40°
Mean Solar Zenith Angle 60.20°
Mean Glint Angle63.00°
Water Fraction0.00
Total Pixel Area 8.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Renville County, MN
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 22:36:20UTC
Radiative Center (Lat, Lon): 44.823055°, -95.198059°
Nearby Counties (meeting notification criteria):
  • Renville County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power29.81 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)308.51 K
Observed - Background BT (3.9 um)6.78 K
BT Anomaly (3.9 um)12.44 K
Maximum Observed - Clear RTM BT (3.9 um)15.79 K
Maximum Observed BTD (3.9-10/11/12 um)12.16 K
Observed - Background BTD (3.9-10/11/12 um)6.30 K
BTD Anomaly (3.9-10/11/12 um)31.87 K
Similar Pixel Count3
BT Time Tendency (3.9 um)5.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.77
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power29.81 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.60°
Mean Solar Zenith Angle 63.70°
Mean Glint Angle62.10°
Water Fraction0.00
Total Pixel Area 7.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) SD
Country/Countries United States
County/Locality(s) Brookings County, SD
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 22:36:20UTC
Radiative Center (Lat, Lon): 44.541111°, -97.018608°
Nearby Counties (meeting notification criteria):
  • Brookings County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power22.78 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.69 K
Observed - Background BT (3.9 um)2.47 K
BT Anomaly (3.9 um)1.94 K
Maximum Observed - Clear RTM BT (3.9 um)10.20 K
Maximum Observed BTD (3.9-10/11/12 um)9.10 K
Observed - Background BTD (3.9-10/11/12 um)2.66 K
BTD Anomaly (3.9-10/11/12 um)4.10 K
Similar Pixel Count15
BT Time Tendency (3.9 um)2.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.51
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power13.26 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.00°
Mean Solar Zenith Angle 62.40°
Mean Glint Angle60.70°
Water Fraction0.00
Total Pixel Area 14.30 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Fillmore County, MN
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 22:36:21UTC
Radiative Center (Lat, Lon): 43.845001°, -92.137779°
Nearby Counties (meeting notification criteria):
  • Fillmore County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power112.64 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)310.23 K
Observed - Background BT (3.9 um)12.98 K
BT Anomaly (3.9 um)25.40 K
Maximum Observed - Clear RTM BT (3.9 um)21.76 K
Maximum Observed BTD (3.9-10/11/12 um)18.36 K
Observed - Background BTD (3.9-10/11/12 um)12.39 K
BTD Anomaly (3.9-10/11/12 um)36.51 K
Similar Pixel Count0
BT Time Tendency (3.9 um)11.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.87
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power57.92 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.60°
Mean Solar Zenith Angle 65.70°
Mean Glint Angle63.20°
Water Fraction0.00
Total Pixel Area 13.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Butler County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 22:36:51UTC
Radiative Center (Lat, Lon): 42.684166°, -92.637779°
Nearby Counties (meeting notification criteria):
  • Butler County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power35.67 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)304.99 K
Observed - Background BT (3.9 um)4.58 K
BT Anomaly (3.9 um)5.49 K
Maximum Observed - Clear RTM BT (3.9 um)13.72 K
Maximum Observed BTD (3.9-10/11/12 um)11.05 K
Observed - Background BTD (3.9-10/11/12 um)4.16 K
BTD Anomaly (3.9-10/11/12 um)8.83 K
Similar Pixel Count6
BT Time Tendency (3.9 um)2.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.80
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power17.84 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.60°
Mean Solar Zenith Angle 65.20°
Mean Glint Angle61.80°
Water Fraction0.00
Total Pixel Area 13.20 km2
Latest Satellite Imagery:
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