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Wildfire Notification Report

Date: 2026-04-20
Time: 19:51:17
Production Date and Time: 2026-04-20 19:56:12 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261101951176_e20261101953550_c20261101954023.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261101946176_e20261101948550_c20261101949032.nc
Number Of Thermal Anomaly Notifications: 4
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Beaverhead County, MT
NWS WFO Great Falls MT
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-20 19:51:19UTC
Radiative Center (Lat, Lon): 44.948612°, -113.375275°
Nearby Counties (meeting notification criteria):
  • Beaverhead County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power124.30 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)308.20 K
Observed - Background BT (3.9 um)13.32 K
BT Anomaly (3.9 um)3.87 K
Maximum Observed - Clear RTM BT (3.9 um)18.67 K
Maximum Observed BTD (3.9-10/11/12 um)24.63 K
Observed - Background BTD (3.9-10/11/12 um)13.48 K
BTD Anomaly (3.9-10/11/12 um)4.36 K
Similar Pixel Count0
BT Time Tendency (3.9 um)2.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.32
Fraction of Surrounding Red Channel Pixels that are Brighter0.94
Maximum Radiative Power63.30 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 64.50°
Mean Solar Zenith Angle 34.00°
Mean Glint Angle85.50°
Water Fraction0.00
Total Pixel Area 18.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MI
Country/Countries United States
County/Locality(s) Montcalm County, MI
NWS WFO Grand Rapids MI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 19:51:21UTC
Radiative Center (Lat, Lon): 43.386665°, -84.897224°
Nearby Counties (meeting notification criteria):
  • Montcalm County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power6.62 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)292.87 K
Observed - Background BT (3.9 um)2.48 K
BT Anomaly (3.9 um)1.60 K
Maximum Observed - Clear RTM BT (3.9 um)12.89 K
Maximum Observed BTD (3.9-10/11/12 um)11.08 K
Observed - Background BTD (3.9-10/11/12 um)2.08 K
BTD Anomaly (3.9-10/11/12 um)1.85 K
Similar Pixel Count20
BT Time Tendency (3.9 um)3.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.61
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power6.62 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.20°
Mean Solar Zenith Angle 43.10°
Mean Glint Angle76.20°
Water Fraction0.00
Total Pixel Area 6.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WY
Country/Countries United States
County/Locality(s) Washakie County, WY
NWS WFO Riverton WY
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 19:51:19UTC
Radiative Center (Lat, Lon): 44.154999°, -107.906944°
Nearby Counties (meeting notification criteria):
  • Washakie County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power135.62 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)322.73 K
Observed - Background BT (3.9 um)7.63 K
BT Anomaly (3.9 um)6.13 K
Maximum Observed - Clear RTM BT (3.9 um)22.60 K
Maximum Observed BTD (3.9-10/11/12 um)17.08 K
Observed - Background BTD (3.9-10/11/12 um)8.03 K
BTD Anomaly (3.9-10/11/12 um)13.98 K
Similar Pixel Count4
BT Time Tendency (3.9 um)7.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.20
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power68.50 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 60.80°
Mean Solar Zenith Angle 34.10°
Mean Glint Angle80.50°
Water Fraction0.00
Total Pixel Area 16.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MO
Country/Countries United States
County/Locality(s) Miller County, MO
NWS WFO Springfield MO
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 19:51:50UTC
Radiative Center (Lat, Lon): 38.365002°, -92.619164°
Nearby Counties (meeting notification criteria):
  • Miller County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power7.25 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)301.03 K
Observed - Background BT (3.9 um)2.57 K
BT Anomaly (3.9 um)3.90 K
Maximum Observed - Clear RTM BT (3.9 um)11.12 K
Maximum Observed BTD (3.9-10/11/12 um)6.81 K
Observed - Background BTD (3.9-10/11/12 um)2.10 K
BTD Anomaly (3.9-10/11/12 um)5.74 K
Similar Pixel Count21
BT Time Tendency (3.9 um)1.20 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 Power7.25 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 48.30°
Mean Solar Zenith Angle 35.40°
Mean Glint Angle65.20°
Water Fraction0.00
Total Pixel Area 6.00 km2
Latest Satellite Imagery:
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