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Wildfire Notification Report

Date: 2026-04-21
Time: 18:26:17
Production Date and Time: 2026-04-21 18:31:19 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261111826177_e20261111828550_c20261111829004.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261111821177_e20261111823550_c20261111824040.nc
Number Of Thermal Anomaly Notifications: 5
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Teton County, MT
NWS WFO Great Falls MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:26:19UTC
Radiative Center (Lat, Lon): 47.599998°, -111.957497°
Nearby Counties (meeting notification criteria):
  • Teton County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power30.01 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)314.33 K
Observed - Background BT (3.9 um)3.80 K
BT Anomaly (3.9 um)3.20 K
Maximum Observed - Clear RTM BT (3.9 um)17.67 K
Maximum Observed BTD (3.9-10/11/12 um)13.33 K
Observed - Background BTD (3.9-10/11/12 um)3.24 K
BTD Anomaly (3.9-10/11/12 um)4.87 K
Similar Pixel Count25
BT Time Tendency (3.9 um)2.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.75
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power30.01 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 65.60°
Mean Solar Zenith Angle 38.20°
Mean Glint Angle101.60°
Water Fraction0.00
Total Pixel Area 9.70 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 18:26:20UTC
Radiative Center (Lat, Lon): 44.755280°, -95.053055°
Nearby Counties (meeting notification criteria):
  • Renville County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power67.74 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)318.54 K
Observed - Background BT (3.9 um)2.96 K
BT Anomaly (3.9 um)2.72 K
Maximum Observed - Clear RTM BT (3.9 um)20.46 K
Maximum Observed BTD (3.9-10/11/12 um)15.73 K
Observed - Background BTD (3.9-10/11/12 um)3.30 K
BTD Anomaly (3.9-10/11/12 um)10.57 K
Similar Pixel Count25
BT Time Tendency (3.9 um)2.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.37
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power27.13 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.50°
Mean Solar Zenith Angle 33.20°
Mean Glint Angle85.10°
Water Fraction0.00
Total Pixel Area 21.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Winnebago County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:26:21UTC
Radiative Center (Lat, Lon): 43.277222°, -93.566666°
Nearby Counties (meeting notification criteria):
  • Winnebago County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power27.46 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)317.60 K
Observed - Background BT (3.9 um)3.04 K
BT Anomaly (3.9 um)2.84 K
Maximum Observed - Clear RTM BT (3.9 um)19.82 K
Maximum Observed BTD (3.9-10/11/12 um)15.62 K
Observed - Background BTD (3.9-10/11/12 um)4.37 K
BTD Anomaly (3.9-10/11/12 um)10.12 K
Similar Pixel Count20
BT Time Tendency (3.9 um)2.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.04
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power27.46 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.50°
Mean Solar Zenith Angle 31.90°
Mean Glint Angle81.70°
Water Fraction0.00
Total Pixel Area 6.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Winneshiek County, IA
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:26:21UTC
Radiative Center (Lat, Lon): 43.211945°, -91.900276°
Nearby Counties (meeting notification criteria):
  • Winneshiek County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power17.89 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)313.37 K
Observed - Background BT (3.9 um)3.70 K
BT Anomaly (3.9 um)2.01 K
Maximum Observed - Clear RTM BT (3.9 um)19.40 K
Maximum Observed BTD (3.9-10/11/12 um)15.72 K
Observed - Background BTD (3.9-10/11/12 um)3.22 K
BTD Anomaly (3.9-10/11/12 um)2.92 K
Similar Pixel Count25
BT Time Tendency (3.9 um)2.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.85
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power17.89 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.90°
Mean Solar Zenith Angle 32.00°
Mean Glint Angle80.90°
Water Fraction0.00
Total Pixel Area 6.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) Tamaulipas
Country/Countries Mexico
County/Locality(s) Nuevo Morelos, Tamaulipas
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:28:19UTC
Radiative Center (Lat, Lon): 22.431110°, -99.196945°
Nearby Counties (meeting notification criteria):
  • Nuevo Morelos (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8.36 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)314.79 K
Observed - Background BT (3.9 um)2.55 K
BT Anomaly (3.9 um)1.11 K
Maximum Observed - Clear RTM BT (3.9 um)8.05 K
Maximum Observed BTD (3.9-10/11/12 um)20.24 K
Observed - Background BTD (3.9-10/11/12 um)2.02 K
BTD Anomaly (3.9-10/11/12 um)1.28 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.78
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power8.36 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 37.90°
Mean Solar Zenith Angle 11.10°
Mean Glint Angle47.10°
Water Fraction0.00
Total Pixel Area 5.10 km2
Latest Satellite Imagery:
  • None Available
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