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Wildfire Notification Report

Date: 2026-04-21
Time: 18:31:17
Production Date and Time: 2026-04-21 18:36:10 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261111831177_e20261111833551_c20261111833593.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261111826177_e20261111828550_c20261111829004.nc
Number Of Thermal Anomaly Notifications: 8
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Possible Wildfire

Basic Information
State/Province(s) ND
Country/Countries United States
County/Locality(s) Rolette County, ND
NWS WFO Bismarck ND
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:31:20UTC
Radiative Center (Lat, Lon): 48.917221°, -99.804726°
Nearby Counties (meeting notification criteria):
  • Rolette County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power64.69 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)301.27 K
Observed - Background BT (3.9 um)4.68 K
BT Anomaly (3.9 um)2.69 K
Maximum Observed - Clear RTM BT (3.9 um)12.46 K
Maximum Observed BTD (3.9-10/11/12 um)16.98 K
Observed - Background BTD (3.9-10/11/12 um)4.82 K
BTD Anomaly (3.9-10/11/12 um)5.35 K
Similar Pixel Count14
BT Time Tendency (3.9 um)7.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.45
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power40.89 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 61.30°
Mean Solar Zenith Angle 37.40°
Mean Glint Angle94.90°
Water Fraction0.00
Total Pixel Area 25.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Burnett County, WI
NWS WFO Duluth MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:31:21UTC
Radiative Center (Lat, Lon): 46.124443°, -92.074165°
Nearby Counties (meeting notification criteria):
  • Burnett County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power132.37 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)313.02 K
Observed - Background BT (3.9 um)11.88 K
BT Anomaly (3.9 um)12.60 K
Maximum Observed - Clear RTM BT (3.9 um)24.40 K
Maximum Observed BTD (3.9-10/11/12 um)14.73 K
Observed - Background BTD (3.9-10/11/12 um)8.04 K
BTD Anomaly (3.9-10/11/12 um)22.67 K
Similar Pixel Count4
BT Time Tendency (3.9 um)3.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder1.00
Fraction of Surrounding Red Channel Pixels that are Brighter0.99
Maximum Radiative Power81.83 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.90°
Mean Solar Zenith Angle 35.00°
Mean Glint Angle86.40°
Water Fraction0.00
Total Pixel Area 21.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WA
Country/Countries United States
County/Locality(s) Columbia County, WA
NWS WFO Pendleton OR
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 18:31:19UTC
Radiative Center (Lat, Lon): 46.431667°, -117.847504°
Nearby Counties (meeting notification criteria):
  • Columbia County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power274.42 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)315.32 K
Observed - Background BT (3.9 um)20.38 K
BT Anomaly (3.9 um)13.81 K
Maximum Observed - Clear RTM BT (3.9 um)25.21 K
Maximum Observed BTD (3.9-10/11/12 um)32.49 K
Observed - Background BTD (3.9-10/11/12 um)21.42 K
BTD Anomaly (3.9-10/11/12 um)18.57 K
Similar Pixel Count0
BT Time Tendency (3.9 um)17.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.47
Fraction of Surrounding Red Channel Pixels that are Brighter0.81
Maximum Radiative Power170.16 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 68.00°
Mean Solar Zenith Angle 38.70°
Mean Glint Angle104.60°
Water Fraction0.00
Total Pixel Area 21.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Nicollet County, MN
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:31:21UTC
Radiative Center (Lat, Lon): 44.297779°, -94.347778°
Nearby Counties (meeting notification criteria):
  • Nicollet County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power41.91 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)321.51 K
Observed - Background BT (3.9 um)4.84 K
BT Anomaly (3.9 um)3.41 K
Maximum Observed - Clear RTM BT (3.9 um)24.06 K
Maximum Observed BTD (3.9-10/11/12 um)18.07 K
Observed - Background BTD (3.9-10/11/12 um)5.60 K
BTD Anomaly (3.9-10/11/12 um)13.58 K
Similar Pixel Count16
BT Time Tendency (3.9 um)4.40 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 Power41.91 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.80°
Mean Solar Zenith Angle 32.90°
Mean Glint Angle83.50°
Water Fraction0.00
Total Pixel Area 6.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Lyon County, IA
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:31:20UTC
Radiative Center (Lat, Lon): 43.275833°, -96.234169°
Nearby Counties (meeting notification criteria):
  • Lyon County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power68.16 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)321.82 K
Observed - Background BT (3.9 um)4.11 K
BT Anomaly (3.9 um)4.63 K
Maximum Observed - Clear RTM BT (3.9 um)20.42 K
Maximum Observed BTD (3.9-10/11/12 um)17.24 K
Observed - Background BTD (3.9-10/11/12 um)5.61 K
BTD Anomaly (3.9-10/11/12 um)15.38 K
Similar Pixel Count7
BT Time Tendency (3.9 um)2.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.05
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power40.38 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.50°
Mean Solar Zenith Angle 31.80°
Mean Glint Angle82.30°
Water Fraction0.00
Total Pixel Area 13.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Jefferson County, WI
NWS WFO Milwaukee/Sullivan WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:31:21UTC
Radiative Center (Lat, Lon): 42.962776°, -88.876945°
Nearby Counties (meeting notification criteria):
  • Jefferson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power13.43 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)306.34 K
Observed - Background BT (3.9 um)3.89 K
BT Anomaly (3.9 um)2.77 K
Maximum Observed - Clear RTM BT (3.9 um)15.63 K
Maximum Observed BTD (3.9-10/11/12 um)13.96 K
Observed - Background BTD (3.9-10/11/12 um)3.29 K
BTD Anomaly (3.9-10/11/12 um)4.20 K
Similar Pixel Count22
BT Time Tendency (3.9 um)2.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.71
Fraction of Surrounding Red Channel Pixels that are Brighter0.98
Maximum Radiative Power13.43 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.70°
Mean Solar Zenith Angle 32.40°
Mean Glint Angle79.30°
Water Fraction0.00
Total Pixel Area 6.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) KY
Country/Countries United States
County/Locality(s) Fulton County, KY
NWS WFO Paducah KY
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:31:51UTC
Radiative Center (Lat, Lon): 36.503334°, -89.374725°
Nearby Counties (meeting notification criteria):
  • Fulton County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8.45 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)304.99 K
Observed - Background BT (3.9 um)4.25 K
BT Anomaly (3.9 um)2.11 K
Maximum Observed - Clear RTM BT (3.9 um)11.55 K
Maximum Observed BTD (3.9-10/11/12 um)15.27 K
Observed - Background BTD (3.9-10/11/12 um)3.92 K
BTD Anomaly (3.9-10/11/12 um)2.28 K
Similar Pixel Count19
BT Time Tendency (3.9 um)1.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.71
Fraction of Surrounding Red Channel Pixels that are Brighter0.81
Maximum Radiative Power8.45 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 45.10°
Mean Solar Zenith Angle 26.20°
Mean Glint Angle66.20°
Water Fraction0.00
Total Pixel Area 5.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) Unknown
Country/Countries Dominican Republic
County/Locality(s) Unknown, Unknown
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:33:53UTC
Radiative Center (Lat, Lon): 19.248888°, -69.656387°
Nearby Counties (meeting notification criteria):
  • Unknown (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power26.97 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)10.76 K
BT Anomaly (3.9 um)3.83 K
Maximum Observed - Clear RTM BT (3.9 um)11.67 K
Maximum Observed BTD (3.9-10/11/12 um)19.40 K
Observed - Background BTD (3.9-10/11/12 um)10.10 K
BTD Anomaly (3.9-10/11/12 um)4.27 K
Similar Pixel Count8
BT Time Tendency (3.9 um)2.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.80
Fraction of Surrounding Red Channel Pixels that are Brighter0.22
Maximum Radiative Power26.97 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 23.50°
Mean Solar Zenith Angle 28.50°
Mean Glint Angle44.20°
Water Fraction0.00
Total Pixel Area 4.40 km2
Latest Satellite Imagery:
  • None Available
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