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Wildfire Notification Report

Date: 2026-04-19
Time: 18:51:17
Production Date and Time: 2026-04-19 18:56:08 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261091851175_e20261091853549_c20261091854012.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261091846175_e20261091848549_c20261091849035.nc
Number Of Thermal Anomaly Notifications: 9
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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 (Clear)
Mean Object Date/Time2026-04-19 18:51:19UTC
Radiative Center (Lat, Lon): 47.638054°, -110.777222°
Nearby Counties (meeting notification criteria):
  • Chouteau County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power81.37 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)306.83 K
Observed - Background BT (3.9 um)4.85 K
BT Anomaly (3.9 um)2.32 K
Maximum Observed - Clear RTM BT (3.9 um)16.40 K
Maximum Observed BTD (3.9-10/11/12 um)13.63 K
Observed - Background BTD (3.9-10/11/12 um)5.19 K
BTD Anomaly (3.9-10/11/12 um)5.30 K
Similar Pixel Count19
BT Time Tendency (3.9 um)2.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.34
Fraction of Surrounding Red Channel Pixels that are Brighter0.95
Maximum Radiative Power50.16 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 65.00°
Mean Solar Zenith Angle 37.40°
Mean Glint Angle97.70°
Water Fraction0.00
Total Pixel Area 28.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Pierce County, WI
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-19 18:51:21UTC
Radiative Center (Lat, Lon): 44.832222°, -92.565834°
Nearby Counties (meeting notification criteria):
  • Pierce County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power11.38 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)296.93 K
Observed - Background BT (3.9 um)3.05 K
BT Anomaly (3.9 um)2.34 K
Maximum Observed - Clear RTM BT (3.9 um)19.54 K
Maximum Observed BTD (3.9-10/11/12 um)12.81 K
Observed - Background BTD (3.9-10/11/12 um)3.45 K
BTD Anomaly (3.9-10/11/12 um)3.09 K
Similar Pixel Count14
BT Time Tendency (3.9 um)2.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.34
Fraction of Surrounding Red Channel Pixels that are Brighter0.87
Maximum Radiative Power11.38 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.80°
Mean Solar Zenith Angle 35.20°
Mean Glint Angle83.00°
Water Fraction0.00
Total Pixel Area 6.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Sibley County, MN
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-19 18:51:21UTC
Radiative Center (Lat, Lon): 44.705276°, -94.624725°
Nearby Counties (meeting notification criteria):
  • Sibley County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power25.64 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)308.33 K
Observed - Background BT (3.9 um)5.64 K
BT Anomaly (3.9 um)7.56 K
Maximum Observed - Clear RTM BT (3.9 um)25.11 K
Maximum Observed BTD (3.9-10/11/12 um)15.85 K
Observed - Background BTD (3.9-10/11/12 um)5.27 K
BTD Anomaly (3.9-10/11/12 um)6.93 K
Similar Pixel Count0
BT Time Tendency (3.9 um)4.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.70
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power25.64 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.30°
Mean Solar Zenith Angle 34.60°
Mean Glint Angle83.30°
Water Fraction0.00
Total Pixel Area 7.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) NE
Country/Countries United States
County/Locality(s) Johnson County, NE
NWS WFO Omaha/Valley NE
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-19 18:51:50UTC
Radiative Center (Lat, Lon): 40.450001°, -96.226387°
Nearby Counties (meeting notification criteria):
  • Johnson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power87.47 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)313.60 K
Observed - Background BT (3.9 um)5.66 K
BT Anomaly (3.9 um)4.44 K
Maximum Observed - Clear RTM BT (3.9 um)22.85 K
Maximum Observed BTD (3.9-10/11/12 um)17.34 K
Observed - Background BTD (3.9-10/11/12 um)6.62 K
BTD Anomaly (3.9-10/11/12 um)8.01 K
Similar Pixel Count4
BT Time Tendency (3.9 um)7.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.26
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power36.30 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.80°
Mean Solar Zenith Angle 30.20°
Mean Glint Angle75.50°
Water Fraction0.00
Total Pixel Area 19.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) KS
Country/Countries United States
County/Locality(s) Marshall County, KS
NWS WFO Topeka KS
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-19 18:51:50UTC
Radiative Center (Lat, Lon): 39.895832°, -96.751114°
Nearby Counties (meeting notification criteria):
  • Marshall County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power4.87 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)311.99 K
Observed - Background BT (3.9 um)1.68 K
BT Anomaly (3.9 um)1.47 K
Maximum Observed - Clear RTM BT (3.9 um)19.94 K
Maximum Observed BTD (3.9-10/11/12 um)11.25 K
Observed - Background BTD (3.9-10/11/12 um)1.86 K
BTD Anomaly (3.9-10/11/12 um)1.95 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.60 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 Power4.87 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.50°
Mean Solar Zenith Angle 29.60°
Mean Glint Angle74.70°
Water Fraction0.00
Total Pixel Area 6.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) KS
Country/Countries United States
County/Locality(s) Jefferson County, KS
NWS WFO Topeka KS
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-19 18:51:50UTC
Radiative Center (Lat, Lon): 39.404999°, -95.410835°
Nearby Counties (meeting notification criteria):
  • Jefferson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power9.01 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)307.83 K
Observed - Background BT (3.9 um)2.05 K
BT Anomaly (3.9 um)1.03 K
Maximum Observed - Clear RTM BT (3.9 um)17.45 K
Maximum Observed BTD (3.9-10/11/12 um)10.11 K
Observed - Background BTD (3.9-10/11/12 um)2.20 K
BTD Anomaly (3.9-10/11/12 um)2.31 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.33
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power9.01 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 50.40°
Mean Solar Zenith Angle 29.40°
Mean Glint Angle73.10°
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) Jefferson County, KS
NWS WFO Topeka KS
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-19 18:51:50UTC
Radiative Center (Lat, Lon): 39.169167°, -95.567780°
Nearby Counties (meeting notification criteria):
  • Jefferson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power12.00 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)307.48 K
Observed - Background BT (3.9 um)3.16 K
BT Anomaly (3.9 um)1.82 K
Maximum Observed - Clear RTM BT (3.9 um)16.63 K
Maximum Observed BTD (3.9-10/11/12 um)9.77 K
Observed - Background BTD (3.9-10/11/12 um)2.89 K
BTD Anomaly (3.9-10/11/12 um)3.42 K
Similar Pixel Count16
BT Time Tendency (3.9 um)2.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.66
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power12.00 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 50.30°
Mean Solar Zenith Angle 29.10°
Mean Glint Angle72.70°
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) Lyon County, KS
NWS WFO Topeka KS
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-19 18:51:50UTC
Radiative Center (Lat, Lon): 38.204723°, -96.075836°
Nearby Counties (meeting notification criteria):
  • Lyon County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power6.01 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)303.86 K
Observed - Background BT (3.9 um)1.42 K
BT Anomaly (3.9 um)1.11 K
Maximum Observed - Clear RTM BT (3.9 um)13.73 K
Maximum Observed BTD (3.9-10/11/12 um)7.87 K
Observed - Background BTD (3.9-10/11/12 um)1.35 K
BTD Anomaly (3.9-10/11/12 um)1.53 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.80 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 Power6.01 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 49.60°
Mean Solar Zenith Angle 28.10°
Mean Glint Angle71.00°
Water Fraction0.00
Total Pixel Area 6.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) TX
Country/Countries United States
County/Locality(s) Grimes County, TX
NWS WFO Houston/Galveston TX
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-19 18:52:20UTC
Radiative Center (Lat, Lon): 30.528334°, -95.897499°
Nearby Counties (meeting notification criteria):
  • Grimes County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power4.77 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)301.58 K
Observed - Background BT (3.9 um)2.21 K
BT Anomaly (3.9 um)1.84 K
Maximum Observed - Clear RTM BT (3.9 um)7.56 K
Maximum Observed BTD (3.9-10/11/12 um)7.81 K
Observed - Background BTD (3.9-10/11/12 um)1.69 K
BTD Anomaly (3.9-10/11/12 um)3.27 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.74
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power4.77 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 42.30°
Mean Solar Zenith Angle 20.80°
Mean Glint Angle55.90°
Water Fraction0.00
Total Pixel Area 5.40 km2
Latest Satellite Imagery:
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