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Wildfire Notification Report

Date: 2026-04-20
Time: 20:46:17
Production Date and Time: 2026-04-20 20:51:05 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261102046176_e20261102048550_c20261102049023.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261102041176_e20261102043550_c20261102044003.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 (Cloud)
Mean Object Date/Time2026-04-20 20:46:19UTC
Radiative Center (Lat, Lon): 47.590000°, -112.254997°
Nearby Counties (meeting notification criteria):
  • Teton County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power62.26 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)303.42 K
Observed - Background BT (3.9 um)8.04 K
BT Anomaly (3.9 um)5.02 K
Maximum Observed - Clear RTM BT (3.9 um)11.10 K
Maximum Observed BTD (3.9-10/11/12 um)35.92 K
Observed - Background BTD (3.9-10/11/12 um)8.19 K
BTD Anomaly (3.9-10/11/12 um)4.99 K
Similar Pixel Count0
BT Time Tendency (3.9 um)3.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.49
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power62.26 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 65.80°
Mean Solar Zenith Angle 40.00°
Mean Glint Angle79.80°
Water Fraction0.00
Total Pixel Area 9.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Park County, MT
NWS WFO Billings MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 20:46:19UTC
Radiative Center (Lat, Lon): 46.076111°, -110.650558°
Nearby Counties (meeting notification criteria):
  • Park County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power44.60 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)307.89 K
Observed - Background BT (3.9 um)8.22 K
BT Anomaly (3.9 um)6.15 K
Maximum Observed - Clear RTM BT (3.9 um)15.22 K
Maximum Observed BTD (3.9-10/11/12 um)21.76 K
Observed - Background BTD (3.9-10/11/12 um)7.80 K
BTD Anomaly (3.9-10/11/12 um)4.84 K
Similar Pixel Count16
BT Time Tendency (3.9 um)1.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.92
Fraction of Surrounding Red Channel Pixels that are Brighter0.96
Maximum Radiative Power44.60 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 63.80°
Mean Solar Zenith Angle 39.30°
Mean Glint Angle76.60°
Water Fraction0.00
Total Pixel Area 9.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WY
Country/Countries United States
County/Locality(s) Park County, WY
NWS WFO Riverton WY
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-20 20:46:19UTC
Radiative Center (Lat, Lon): 44.730278°, -108.778893°
Nearby Counties (meeting notification criteria):
  • Park County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power409.31 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)330.33 K
Observed - Background BT (3.9 um)20.85 K
BT Anomaly (3.9 um)22.71 K
Maximum Observed - Clear RTM BT (3.9 um)32.58 K
Maximum Observed BTD (3.9-10/11/12 um)35.62 K
Observed - Background BTD (3.9-10/11/12 um)20.80 K
BTD Anomaly (3.9-10/11/12 um)14.32 K
Similar Pixel Count0
BT Time Tendency (3.9 um)21.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.55
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power269.95 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 61.70°
Mean Solar Zenith Angle 39.00°
Mean Glint Angle73.60°
Water Fraction0.00
Total Pixel Area 25.30 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Muscatine County, IA
NWS WFO Quad Cities IL
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-20 20:46:51UTC
Radiative Center (Lat, Lon): 41.485279°, -91.203613°
Nearby Counties (meeting notification criteria):
  • Muscatine County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power20.10 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.23 K
Observed - Background BT (3.9 um)6.10 K
BT Anomaly (3.9 um)4.32 K
Maximum Observed - Clear RTM BT (3.9 um)18.23 K
Maximum Observed BTD (3.9-10/11/12 um)17.61 K
Observed - Background BTD (3.9-10/11/12 um)6.18 K
BTD Anomaly (3.9-10/11/12 um)5.27 K
Similar Pixel Count0
BT Time Tendency (3.9 um)8.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.64
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power20.10 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 50.90°
Mean Solar Zenith Angle 46.70°
Mean Glint Angle67.50°
Water Fraction0.00
Total Pixel Area 6.30 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) KS
Country/Countries United States
County/Locality(s) McPherson County, KS
NWS WFO Wichita KS
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 20:46:50UTC
Radiative Center (Lat, Lon): 38.428055°, -97.621109°
Nearby Counties (meeting notification criteria):
  • McPherson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power4.26 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)307.89 K
Observed - Background BT (3.9 um)2.51 K
BT Anomaly (3.9 um)2.15 K
Maximum Observed - Clear RTM BT (3.9 um)14.35 K
Maximum Observed BTD (3.9-10/11/12 um)7.40 K
Observed - Background BTD (3.9-10/11/12 um)1.66 K
BTD Anomaly (3.9-10/11/12 um)2.25 K
Similar Pixel Count23
BT Time Tendency (3.9 um)1.00 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 Power4.26 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 50.50°
Mean Solar Zenith Angle 40.90°
Mean Glint Angle60.70°
Water Fraction0.00
Total Pixel Area 6.30 km2
Latest Satellite Imagery:
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