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Wildfire Notification Report

Date: 2026-04-21
Time: 19:01:17
Production Date and Time: 2026-04-21 19:06:11 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261111901177_e20261111903550_c20261111904009.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261111856177_e20261111858550_c20261111859004.nc
Number Of Thermal Anomaly Notifications: 8
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Possible Wildfire

Basic Information
State/Province(s) Ontario
Country/Countries Canada
County/Locality(s) Algoma, Ontario
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 19:01:22UTC
Radiative Center (Lat, Lon): 46.203056°, -82.938057°
Nearby Counties (meeting notification criteria):
  • Algoma (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power3.93 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)288.55 K
Observed - Background BT (3.9 um)2.49 K
BT Anomaly (3.9 um)1.72 K
Maximum Observed - Clear RTM BT (3.9 um)9.01 K
Maximum Observed BTD (3.9-10/11/12 um)8.18 K
Observed - Background BTD (3.9-10/11/12 um)1.86 K
BTD Anomaly (3.9-10/11/12 um)3.11 K
Similar Pixel Count15
BT Time Tendency (3.9 um)0.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.81
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power3.93 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.00°
Mean Solar Zenith Angle 39.70°
Mean Glint Angle84.20°
Water Fraction0.00
Total Pixel Area 6.80 km2
Latest Satellite Imagery:
  • None Available
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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 19:01:19UTC
Radiative Center (Lat, Lon): 47.622776°, -111.826111°
Nearby Counties (meeting notification criteria):
  • Teton County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power33.57 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)314.66 K
Observed - Background BT (3.9 um)3.83 K
BT Anomaly (3.9 um)3.59 K
Maximum Observed - Clear RTM BT (3.9 um)18.08 K
Maximum Observed BTD (3.9-10/11/12 um)13.93 K
Observed - Background BTD (3.9-10/11/12 um)3.84 K
BTD Anomaly (3.9-10/11/12 um)9.18 K
Similar Pixel Count25
BT Time Tendency (3.9 um)4.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.58
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power33.57 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 65.60°
Mean Solar Zenith Angle 36.50°
Mean Glint Angle96.40°
Water Fraction0.00
Total Pixel Area 9.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Judith Basin County, MT
NWS WFO Great Falls MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 19:01:19UTC
Radiative Center (Lat, Lon): 46.824722°, -110.016945°
Nearby Counties (meeting notification criteria):
  • Judith Basin County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power44.89 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)312.32 K
Observed - Background BT (3.9 um)5.37 K
BT Anomaly (3.9 um)3.50 K
Maximum Observed - Clear RTM BT (3.9 um)17.98 K
Maximum Observed BTD (3.9-10/11/12 um)14.98 K
Observed - Background BTD (3.9-10/11/12 um)5.89 K
BTD Anomaly (3.9-10/11/12 um)7.31 K
Similar Pixel Count6
BT Time Tendency (3.9 um)4.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.42
Fraction of Surrounding Red Channel Pixels that are Brighter0.84
Maximum Radiative Power44.89 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 64.00°
Mean Solar Zenith Angle 35.50°
Mean Glint Angle93.70°
Water Fraction0.00
Total Pixel Area 9.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Sauk County, WI
NWS WFO Milwaukee/Sullivan WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 19:01:21UTC
Radiative Center (Lat, Lon): 43.378056°, -89.941948°
Nearby Counties (meeting notification criteria):
  • Sauk County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power12.48 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)306.21 K
Observed - Background BT (3.9 um)2.34 K
BT Anomaly (3.9 um)2.07 K
Maximum Observed - Clear RTM BT (3.9 um)16.07 K
Maximum Observed BTD (3.9-10/11/12 um)11.47 K
Observed - Background BTD (3.9-10/11/12 um)2.43 K
BTD Anomaly (3.9-10/11/12 um)3.59 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.44
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power12.48 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.50°
Mean Solar Zenith Angle 34.60°
Mean Glint Angle78.20°
Water Fraction0.00
Total Pixel Area 6.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Marshall County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 19:01:51UTC
Radiative Center (Lat, Lon): 41.943890°, -92.884163°
Nearby Counties (meeting notification criteria):
  • Marshall County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power39.47 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)318.02 K
Observed - Background BT (3.9 um)7.28 K
BT Anomaly (3.9 um)4.65 K
Maximum Observed - Clear RTM BT (3.9 um)23.69 K
Maximum Observed BTD (3.9-10/11/12 um)19.52 K
Observed - Background BTD (3.9-10/11/12 um)6.93 K
BTD Anomaly (3.9-10/11/12 um)6.90 K
Similar Pixel Count0
BT Time Tendency (3.9 um)5.20 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 Power39.47 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.00°
Mean Solar Zenith Angle 32.40°
Mean Glint Angle75.80°
Water Fraction0.00
Total Pixel Area 6.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) TX
Country/Countries United States
County/Locality(s) Dallam County, TX
NWS WFO Amarillo TX
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 19:02:19UTC
Radiative Center (Lat, Lon): 36.436111°, -102.360832°
Nearby Counties (meeting notification criteria):
  • Dallam County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power60.12 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)322.81 K
Observed - Background BT (3.9 um)5.20 K
BT Anomaly (3.9 um)5.02 K
Maximum Observed - Clear RTM BT (3.9 um)18.31 K
Maximum Observed BTD (3.9-10/11/12 um)15.20 K
Observed - Background BTD (3.9-10/11/12 um)4.98 K
BTD Anomaly (3.9-10/11/12 um)10.20 K
Similar Pixel Count24
BT Time Tendency (3.9 um)3.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.54
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power32.11 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.30°
Mean Solar Zenith Angle 25.10°
Mean Glint Angle69.70°
Water Fraction0.00
Total Pixel Area 12.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) GA
Country/Countries United States
County/Locality(s) Johnson County, GA
NWS WFO Peachtree City GA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 19:02:22UTC
Radiative Center (Lat, Lon): 32.643333°, -82.741669°
Nearby Counties (meeting notification criteria):
  • Johnson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power13.53 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)308.30 K
Observed - Background BT (3.9 um)4.40 K
BT Anomaly (3.9 um)3.22 K
Maximum Observed - Clear RTM BT (3.9 um)12.44 K
Maximum Observed BTD (3.9-10/11/12 um)14.24 K
Observed - Background BTD (3.9-10/11/12 um)4.98 K
BTD Anomaly (3.9-10/11/12 um)3.12 K
Similar Pixel Count13
BT Time Tendency (3.9 um)1.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.38
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power13.53 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 39.00°
Mean Solar Zenith Angle 29.80°
Mean Glint Angle57.50°
Water Fraction0.00
Total Pixel Area 5.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) Baja California
Country/Countries Mexico
County/Locality(s) Ensenada, Baja California
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 19:02:18UTC
Radiative Center (Lat, Lon): 32.063610°, -116.804169°
Nearby Counties (meeting notification criteria):
  • Ensenada (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power31.34 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)313.74 K
Observed - Background BT (3.9 um)4.52 K
BT Anomaly (3.9 um)2.18 K
Maximum Observed - Clear RTM BT (3.9 um)13.97 K
Maximum Observed BTD (3.9-10/11/12 um)15.48 K
Observed - Background BTD (3.9-10/11/12 um)4.74 K
BTD Anomaly (3.9-10/11/12 um)5.05 K
Similar Pixel Count19
BT Time Tendency (3.9 um)1.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.67
Fraction of Surrounding Red Channel Pixels that are Brighter0.57
Maximum Radiative Power31.34 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.40°
Mean Solar Zenith Angle 22.90°
Mean Glint Angle78.70°
Water Fraction0.00
Total Pixel Area 7.60 km2
Latest Satellite Imagery:
  • None Available
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