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Wildfire Notification Report

Date: 2026-04-21
Time: 23:11:17
Production Date and Time: 2026-04-21 23:16:10 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261112311177_e20261112313551_c20261112314026.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261112306177_e20261112308551_c20261112309010.nc
Number Of Thermal Anomaly Notifications: 8
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Aitkin County, MN
NWS WFO Duluth MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:11:21UTC
Radiative Center (Lat, Lon): 46.960556°, -93.613335°
Nearby Counties (meeting notification criteria):
  • Aitkin County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power20.19 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)293.24 K
Observed - Background BT (3.9 um)4.02 K
BT Anomaly (3.9 um)6.63 K
Maximum Observed - Clear RTM BT (3.9 um)9.25 K
Maximum Observed BTD (3.9-10/11/12 um)7.27 K
Observed - Background BTD (3.9-10/11/12 um)3.86 K
BTD Anomaly (3.9-10/11/12 um)17.38 K
Similar Pixel Count3
BT Time Tendency (3.9 um)2.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.50
Fraction of Surrounding Red Channel Pixels that are Brighter0.38
Maximum Radiative Power11.66 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 57.20°
Mean Solar Zenith Angle 71.10°
Mean Glint Angle62.40°
Water Fraction0.00
Total Pixel Area 14.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Yellow Medicine County, MN
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 23:11:20UTC
Radiative Center (Lat, Lon): 44.616390°, -96.019722°
Nearby Counties (meeting notification criteria):
  • Lyon County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power257.04 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)323.52 K
Observed - Background BT (3.9 um)24.93 K
BT Anomaly (3.9 um)30.79 K
Maximum Observed - Clear RTM BT (3.9 um)31.33 K
Maximum Observed BTD (3.9-10/11/12 um)29.21 K
Observed - Background BTD (3.9-10/11/12 um)23.87 K
BTD Anomaly (3.9-10/11/12 um)48.95 K
Similar Pixel Count0
BT Time Tendency (3.9 um)18.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.93
Fraction of Surrounding Red Channel Pixels that are Brighter0.95
Maximum Radiative Power143.69 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.80°
Mean Solar Zenith Angle 69.20°
Mean Glint Angle58.90°
Water Fraction0.00
Total Pixel Area 14.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Fayette County, IA
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:11:51UTC
Radiative Center (Lat, Lon): 42.852779°, -91.702499°
Nearby Counties (meeting notification criteria):
  • Fayette County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power5.40 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)296.88 K
Observed - Background BT (3.9 um)1.59 K
BT Anomaly (3.9 um)2.26 K
Maximum Observed - Clear RTM BT (3.9 um)8.07 K
Maximum Observed BTD (3.9-10/11/12 um)7.13 K
Observed - Background BTD (3.9-10/11/12 um)1.62 K
BTD Anomaly (3.9-10/11/12 um)3.22 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.47
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power5.40 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.50°
Mean Solar Zenith Angle 72.30°
Mean Glint Angle61.30°
Water Fraction0.00
Total Pixel Area 6.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Linn County, IA
NWS WFO Quad Cities IL
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:11:51UTC
Radiative Center (Lat, Lon): 41.947498°, -91.421944°
Nearby Counties (meeting notification criteria):
  • Linn County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power16.95 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)301.19 K
Observed - Background BT (3.9 um)5.62 K
BT Anomaly (3.9 um)7.74 K
Maximum Observed - Clear RTM BT (3.9 um)12.16 K
Maximum Observed BTD (3.9-10/11/12 um)9.61 K
Observed - Background BTD (3.9-10/11/12 um)5.01 K
BTD Anomaly (3.9-10/11/12 um)12.56 K
Similar Pixel Count8
BT Time Tendency (3.9 um)4.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.88
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power16.95 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.50°
Mean Solar Zenith Angle 72.50°
Mean Glint Angle61.00°
Water Fraction0.00
Total Pixel Area 6.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Iowa County, IA
NWS WFO Quad Cities IL
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:11:51UTC
Radiative Center (Lat, Lon): 41.746113°, -92.169167°
Nearby Counties (meeting notification criteria):
  • Iowa County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power21.50 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.80 K
Observed - Background BT (3.9 um)6.57 K
BT Anomaly (3.9 um)9.33 K
Maximum Observed - Clear RTM BT (3.9 um)12.85 K
Maximum Observed BTD (3.9-10/11/12 um)10.48 K
Observed - Background BTD (3.9-10/11/12 um)5.76 K
BTD Anomaly (3.9-10/11/12 um)15.56 K
Similar Pixel Count2
BT Time Tendency (3.9 um)5.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.94
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power21.50 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.50°
Mean Solar Zenith Angle 71.90°
Mean Glint Angle60.20°
Water Fraction0.00
Total Pixel Area 6.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Audubon County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:11:50UTC
Radiative Center (Lat, Lon): 41.789444°, -94.749725°
Nearby Counties (meeting notification criteria):
  • Audubon County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power10.56 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.27 K
Observed - Background BT (3.9 um)2.83 K
BT Anomaly (3.9 um)2.53 K
Maximum Observed - Clear RTM BT (3.9 um)9.25 K
Maximum Observed BTD (3.9-10/11/12 um)8.34 K
Observed - Background BTD (3.9-10/11/12 um)3.00 K
BTD Anomaly (3.9-10/11/12 um)7.69 K
Similar Pixel Count6
BT Time Tendency (3.9 um)1.00 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 Power10.56 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.50°
Mean Solar Zenith Angle 70.00°
Mean Glint Angle57.80°
Water Fraction0.00
Total Pixel Area 6.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Johnson County, IA
NWS WFO Quad Cities IL
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:11:51UTC
Radiative Center (Lat, Lon): 41.558334°, -91.680557°
Nearby Counties (meeting notification criteria):
  • Johnson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power14.99 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)299.82 K
Observed - Background BT (3.9 um)3.98 K
BT Anomaly (3.9 um)6.62 K
Maximum Observed - Clear RTM BT (3.9 um)10.27 K
Maximum Observed BTD (3.9-10/11/12 um)9.20 K
Observed - Background BTD (3.9-10/11/12 um)4.45 K
BTD Anomaly (3.9-10/11/12 um)11.20 K
Similar Pixel Count2
BT Time Tendency (3.9 um)2.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.23
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power14.99 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.10°
Mean Solar Zenith Angle 72.30°
Mean Glint Angle60.50°
Water Fraction0.00
Total Pixel Area 6.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) NE
Country/Countries United States
County/Locality(s) Jefferson County, NE
NWS WFO Omaha/Valley NE
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:11:50UTC
Radiative Center (Lat, Lon): 40.051666°, -97.194443°
Nearby Counties (meeting notification criteria):
  • Jefferson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power22.79 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)305.40 K
Observed - Background BT (3.9 um)5.17 K
BT Anomaly (3.9 um)6.60 K
Maximum Observed - Clear RTM BT (3.9 um)10.89 K
Maximum Observed BTD (3.9-10/11/12 um)11.88 K
Observed - Background BTD (3.9-10/11/12 um)5.40 K
BTD Anomaly (3.9-10/11/12 um)12.52 K
Similar Pixel Count2
BT Time Tendency (3.9 um)5.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.34
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power22.79 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.90°
Mean Solar Zenith Angle 68.10°
Mean Glint Angle54.30°
Water Fraction0.00
Total Pixel Area 6.50 km2
Latest Satellite Imagery:
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