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Wildfire Notification Report

Date: 2026-04-21
Time: 21:31:17
Production Date and Time: 2026-04-21 21:36:13 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261112131177_e20261112133551_c20261112134017.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261112126177_e20261112128551_c20261112129031.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) Chouteau County, MT
NWS WFO Great Falls MT
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 21:31:19UTC
Radiative Center (Lat, Lon): 47.892223°, -110.218330°
Nearby Counties (meeting notification criteria):
  • Chouteau County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power95.94 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)320.03 K
Observed - Background BT (3.9 um)12.07 K
BT Anomaly (3.9 um)15.68 K
Maximum Observed - Clear RTM BT (3.9 um)23.03 K
Maximum Observed BTD (3.9-10/11/12 um)19.50 K
Observed - Background BTD (3.9-10/11/12 um)10.69 K
BTD Anomaly (3.9-10/11/12 um)24.77 K
Similar Pixel Count0
BT Time Tendency (3.9 um)10.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.99
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power95.94 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 65.00°
Mean Solar Zenith Angle 45.60°
Mean Glint Angle71.70°
Water Fraction0.00
Total Pixel Area 9.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) KS
Country/Countries United States
County/Locality(s) Republic County, KS
NWS WFO Topeka KS
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 21:31:50UTC
Radiative Center (Lat, Lon): 39.874443°, -97.508057°
Nearby Counties (meeting notification criteria):
  • Republic County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power9.39 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)1.48 K
BT Anomaly (3.9 um)1.29 K
Maximum Observed - Clear RTM BT (3.9 um)12.49 K
Maximum Observed BTD (3.9-10/11/12 um)10.99 K
Observed - Background BTD (3.9-10/11/12 um)1.54 K
BTD Anomaly (3.9-10/11/12 um)3.30 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.41
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power9.39 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.80°
Mean Solar Zenith Angle 49.20°
Mean Glint Angle59.20°
Water Fraction0.00
Total Pixel Area 6.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) NC
Country/Countries United States
County/Locality(s) Carteret County, NC
NWS WFO Newport/Morehead City NC
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 21:32:22UTC
Radiative Center (Lat, Lon): 35.009167°, -76.468887°
Nearby Counties (meeting notification criteria):
  • Carteret County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power7.67 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)292.77 K
Observed - Background BT (3.9 um)3.30 K
BT Anomaly (3.9 um)3.35 K
Maximum Observed - Clear RTM BT (3.9 um)7.95 K
Maximum Observed BTD (3.9-10/11/12 um)6.73 K
Observed - Background BTD (3.9-10/11/12 um)3.54 K
BTD Anomaly (3.9-10/11/12 um)7.17 K
Similar Pixel Count2
BT Time Tendency (3.9 um)1.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.28
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power7.67 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 40.90°
Mean Solar Zenith Angle 64.40°
Mean Glint Angle71.80°
Water Fraction0.00
Total Pixel Area 5.30 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) Unknown
Country/Countries Cuba
County/Locality(s) Unknown, Unknown
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 21:33:22UTC
Radiative Center (Lat, Lon): 22.160278°, -78.781670°
Nearby Counties (meeting notification criteria):
  • Unknown (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power11.08 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)303.57 K
Observed - Background BT (3.9 um)4.82 K
BT Anomaly (3.9 um)3.77 K
Maximum Observed - Clear RTM BT (3.9 um)4.43 K
Maximum Observed BTD (3.9-10/11/12 um)13.82 K
Observed - Background BTD (3.9-10/11/12 um)4.45 K
BTD Anomaly (3.9-10/11/12 um)5.00 K
Similar Pixel Count12
BT Time Tendency (3.9 um)2.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.73
Fraction of Surrounding Red Channel Pixels that are Brighter0.93
Maximum Radiative Power11.08 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 26.40°
Mean Solar Zenith Angle 62.10°
Mean Glint Angle60.30°
Water Fraction0.00
Total Pixel Area 4.50 km2
Latest Satellite Imagery:
  • None Available
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