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Wildfire Notification Report

Date: 2026-04-21
Time: 23:01:17
Production Date and Time: 2026-04-21 23:06:08 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261112301177_e20261112303551_c20261112304015.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261112256177_e20261112258551_c20261112259033.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) Pope County, MN
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:01:20UTC
Radiative Center (Lat, Lon): 45.701389°, -95.422775°
Nearby Counties (meeting notification criteria):
  • Pope County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8.01 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)297.24 K
Observed - Background BT (3.9 um)2.12 K
BT Anomaly (3.9 um)1.85 K
Maximum Observed - Clear RTM BT (3.9 um)7.96 K
Maximum Observed BTD (3.9-10/11/12 um)7.43 K
Observed - Background BTD (3.9-10/11/12 um)2.23 K
BTD Anomaly (3.9-10/11/12 um)6.91 K
Similar Pixel Count21
BT Time Tendency (3.9 um)0.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.46
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power8.01 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.60°
Mean Solar Zenith Angle 68.00°
Mean Glint Angle60.90°
Water Fraction0.00
Total Pixel Area 7.30 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Chippewa County, WI
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:01:21UTC
Radiative Center (Lat, Lon): 45.098331°, -91.484726°
Nearby Counties (meeting notification criteria):
  • Chippewa County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power15.01 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)297.38 K
Observed - Background BT (3.9 um)4.62 K
BT Anomaly (3.9 um)5.64 K
Maximum Observed - Clear RTM BT (3.9 um)11.94 K
Maximum Observed BTD (3.9-10/11/12 um)7.95 K
Observed - Background BTD (3.9-10/11/12 um)4.21 K
BTD Anomaly (3.9-10/11/12 um)9.44 K
Similar Pixel Count3
BT Time Tendency (3.9 um)3.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.82
Fraction of Surrounding Red Channel Pixels that are Brighter0.98
Maximum Radiative Power15.01 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.70°
Mean Solar Zenith Angle 70.70°
Mean Glint Angle63.40°
Water Fraction0.00
Total Pixel Area 6.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Fond du Lac County, WI
NWS WFO Milwaukee/Sullivan WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:01:21UTC
Radiative Center (Lat, Lon): 43.727779°, -88.752777°
Nearby Counties (meeting notification criteria):
  • Fond du Lac County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power25.08 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)298.78 K
Observed - Background BT (3.9 um)7.85 K
BT Anomaly (3.9 um)10.63 K
Maximum Observed - Clear RTM BT (3.9 um)12.34 K
Maximum Observed BTD (3.9-10/11/12 um)16.09 K
Observed - Background BTD (3.9-10/11/12 um)8.31 K
BTD Anomaly (3.9-10/11/12 um)6.22 K
Similar Pixel Count3
BT Time Tendency (3.9 um)5.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.49
Fraction of Surrounding Red Channel Pixels that are Brighter0.53
Maximum Radiative Power25.08 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.50°
Mean Solar Zenith Angle 72.60°
Mean Glint Angle64.90°
Water Fraction0.00
Total Pixel Area 6.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Murray County, MN
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:01:20UTC
Radiative Center (Lat, Lon): 43.935833°, -95.730835°
Nearby Counties (meeting notification criteria):
  • Murray County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power11.18 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.50 K
Observed - Background BT (3.9 um)2.12 K
BT Anomaly (3.9 um)2.71 K
Maximum Observed - Clear RTM BT (3.9 um)9.85 K
Maximum Observed BTD (3.9-10/11/12 um)8.13 K
Observed - Background BTD (3.9-10/11/12 um)2.77 K
BTD Anomaly (3.9-10/11/12 um)14.36 K
Similar Pixel Count10
BT Time Tendency (3.9 um)1.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.17
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power11.18 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.00°
Mean Solar Zenith Angle 67.60°
Mean Glint Angle59.20°
Water Fraction0.00
Total Pixel Area 7.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Sioux County, IA
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:01:20UTC
Radiative Center (Lat, Lon): 43.188332°, -96.254997°
Nearby Counties (meeting notification criteria):
  • Sioux County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power14.69 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)305.60 K
Observed - Background BT (3.9 um)3.20 K
BT Anomaly (3.9 um)2.94 K
Maximum Observed - Clear RTM BT (3.9 um)10.67 K
Maximum Observed BTD (3.9-10/11/12 um)9.06 K
Observed - Background BTD (3.9-10/11/12 um)3.28 K
BTD Anomaly (3.9-10/11/12 um)7.39 K
Similar Pixel Count6
BT Time Tendency (3.9 um)2.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.39
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power14.69 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.50°
Mean Solar Zenith Angle 67.20°
Mean Glint Angle58.10°
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) Plymouth County, IA
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:01:50UTC
Radiative Center (Lat, Lon): 42.832222°, -96.164719°
Nearby Counties (meeting notification criteria):
  • Plymouth County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power17.19 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)306.51 K
Observed - Background BT (3.9 um)3.37 K
BT Anomaly (3.9 um)6.10 K
Maximum Observed - Clear RTM BT (3.9 um)11.04 K
Maximum Observed BTD (3.9-10/11/12 um)10.49 K
Observed - Background BTD (3.9-10/11/12 um)4.30 K
BTD Anomaly (3.9-10/11/12 um)6.34 K
Similar Pixel Count10
BT Time Tendency (3.9 um)3.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.16
Fraction of Surrounding Red Channel Pixels that are Brighter0.99
Maximum Radiative Power17.19 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.10°
Mean Solar Zenith Angle 67.20°
Mean Glint Angle57.90°
Water Fraction0.00
Total Pixel Area 6.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Clinton County, IA
NWS WFO Quad Cities IL
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 23:01:51UTC
Radiative Center (Lat, Lon): 41.783890°, -90.809448°
Nearby Counties (meeting notification criteria):
  • Clinton County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power63.45 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)310.72 K
Observed - Background BT (3.9 um)16.15 K
BT Anomaly (3.9 um)16.55 K
Maximum Observed - Clear RTM BT (3.9 um)21.69 K
Maximum Observed BTD (3.9-10/11/12 um)21.46 K
Observed - Background BTD (3.9-10/11/12 um)16.10 K
BTD Anomaly (3.9-10/11/12 um)14.04 K
Similar Pixel Count0
BT Time Tendency (3.9 um)10.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.64
Fraction of Surrounding Red Channel Pixels that are Brighter0.98
Maximum Radiative Power63.45 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.10°
Mean Solar Zenith Angle 71.10°
Mean Glint Angle61.80°
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) Lucas County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:01:51UTC
Radiative Center (Lat, Lon): 41.141388°, -93.376945°
Nearby Counties (meeting notification criteria):
  • Lucas County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power17.44 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)2.74 K
BT Anomaly (3.9 um)3.97 K
Maximum Observed - Clear RTM BT (3.9 um)8.23 K
Maximum Observed BTD (3.9-10/11/12 um)7.80 K
Observed - Background BTD (3.9-10/11/12 um)2.37 K
BTD Anomaly (3.9-10/11/12 um)2.40 K
Similar Pixel Count11
BT Time Tendency (3.9 um)0.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.69
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power9.25 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.30°
Mean Solar Zenith Angle 69.10°
Mean Glint Angle58.90°
Water Fraction0.00
Total Pixel Area 12.80 km2
Latest Satellite Imagery:
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