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Wildfire Notification Report

Date: 2026-04-21
Time: 23:26:17
Production Date and Time: 2026-04-21 23:31:16 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261112326177_e20261112328551_c20261112329036.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261112321177_e20261112323551_c20261112324017.nc
Number Of Thermal Anomaly Notifications: 8
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Possible Wildfire

Basic Information
State/Province(s) SD
Country/Countries United States
County/Locality(s) Deuel County, SD
NWS WFO Aberdeen SD
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 23:26:20UTC
Radiative Center (Lat, Lon): 44.921112°, -96.656387°
Nearby Counties (meeting notification criteria):
  • Deuel County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power111.91 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.35 K
Observed - Background BT (3.9 um)13.17 K
BT Anomaly (3.9 um)9.50 K
Maximum Observed - Clear RTM BT (3.9 um)12.04 K
Maximum Observed BTD (3.9-10/11/12 um)25.27 K
Observed - Background BTD (3.9-10/11/12 um)13.22 K
BTD Anomaly (3.9-10/11/12 um)10.25 K
Similar Pixel Count0
BT Time Tendency (3.9 um)14.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.49
Fraction of Surrounding Red Channel Pixels that are Brighter0.73
Maximum Radiative Power64.53 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.30°
Mean Solar Zenith Angle 71.50°
Mean Glint Angle57.70°
Water Fraction0.00
Total Pixel Area 14.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Renville County, MN
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:26:20UTC
Radiative Center (Lat, Lon): 44.804443°, -95.454170°
Nearby Counties (meeting notification criteria):
  • Renville County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power12.44 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)3.07 K
BT Anomaly (3.9 um)4.86 K
Maximum Observed - Clear RTM BT (3.9 um)6.76 K
Maximum Observed BTD (3.9-10/11/12 um)9.68 K
Observed - Background BTD (3.9-10/11/12 um)3.63 K
BTD Anomaly (3.9-10/11/12 um)3.12 K
Similar Pixel Count4
BT Time Tendency (3.9 um)1.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.27
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power12.44 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.70°
Mean Solar Zenith Angle 72.30°
Mean Glint Angle58.50°
Water Fraction0.00
Total Pixel Area 7.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Monroe County, WI
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:26:21UTC
Radiative Center (Lat, Lon): 44.006668°, -90.820831°
Nearby Counties (meeting notification criteria):
  • Monroe County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8.48 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)295.53 K
Observed - Background BT (3.9 um)2.58 K
BT Anomaly (3.9 um)4.42 K
Maximum Observed - Clear RTM BT (3.9 um)8.45 K
Maximum Observed BTD (3.9-10/11/12 um)6.56 K
Observed - Background BTD (3.9-10/11/12 um)2.67 K
BTD Anomaly (3.9-10/11/12 um)7.43 K
Similar Pixel Count6
BT Time Tendency (3.9 um)1.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.42
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power8.48 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.40°
Mean Solar Zenith Angle 75.60°
Mean Glint Angle62.20°
Water Fraction0.00
Total Pixel Area 6.70 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 23:26:51UTC
Radiative Center (Lat, Lon): 42.907776°, -91.610001°
Nearby Counties (meeting notification criteria):
  • Fayette County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power17.53 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)296.74 K
Observed - Background BT (3.9 um)2.69 K
BT Anomaly (3.9 um)2.08 K
Maximum Observed - Clear RTM BT (3.9 um)8.63 K
Maximum Observed BTD (3.9-10/11/12 um)7.81 K
Observed - Background BTD (3.9-10/11/12 um)2.67 K
BTD Anomaly (3.9-10/11/12 um)2.18 K
Similar Pixel Count6
BT Time Tendency (3.9 um)2.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.49
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power8.99 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.50°
Mean Solar Zenith Angle 75.10°
Mean Glint Angle60.90°
Water Fraction0.00
Total Pixel Area 13.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Black Hawk County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:26:51UTC
Radiative Center (Lat, Lon): 42.465832°, -92.236115°
Nearby Counties (meeting notification criteria):
  • Black Hawk County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power24.94 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.72 K
Observed - Background BT (3.9 um)6.88 K
BT Anomaly (3.9 um)8.79 K
Maximum Observed - Clear RTM BT (3.9 um)12.63 K
Maximum Observed BTD (3.9-10/11/12 um)12.52 K
Observed - Background BTD (3.9-10/11/12 um)6.93 K
BTD Anomaly (3.9-10/11/12 um)11.96 K
Similar Pixel Count3
BT Time Tendency (3.9 um)6.00 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 Power24.94 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.30°
Mean Solar Zenith Angle 74.70°
Mean Glint Angle60.10°
Water Fraction0.00
Total Pixel Area 6.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) NE
Country/Countries United States
County/Locality(s) Burt County, NE
NWS WFO Omaha/Valley NE
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:26:50UTC
Radiative Center (Lat, Lon): 41.940277°, -96.227219°
Nearby Counties (meeting notification criteria):
  • Burt County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power48.93 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)307.13 K
Observed - Background BT (3.9 um)6.55 K
BT Anomaly (3.9 um)5.48 K
Maximum Observed - Clear RTM BT (3.9 um)10.57 K
Maximum Observed BTD (3.9-10/11/12 um)11.07 K
Observed - Background BTD (3.9-10/11/12 um)5.75 K
BTD Anomaly (3.9-10/11/12 um)9.79 K
Similar Pixel Count2
BT Time Tendency (3.9 um)5.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.68
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power25.08 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.20°
Mean Solar Zenith Angle 71.70°
Mean Glint Angle56.10°
Water Fraction0.00
Total Pixel Area 13.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Dallas County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:26:50UTC
Radiative Center (Lat, Lon): 41.525002°, -93.805557°
Nearby Counties (meeting notification criteria):
  • Dallas County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power22.58 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)299.91 K
Observed - Background BT (3.9 um)2.80 K
BT Anomaly (3.9 um)2.88 K
Maximum Observed - Clear RTM BT (3.9 um)8.11 K
Maximum Observed BTD (3.9-10/11/12 um)8.90 K
Observed - Background BTD (3.9-10/11/12 um)3.42 K
BTD Anomaly (3.9-10/11/12 um)5.57 K
Similar Pixel Count8
BT Time Tendency (3.9 um)2.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.16
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power12.44 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.90°
Mean Solar Zenith Angle 73.50°
Mean Glint Angle58.10°
Water Fraction0.00
Total Pixel Area 13.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Washington County, IA
NWS WFO Quad Cities IL
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:26:51UTC
Radiative Center (Lat, Lon): 41.446667°, -91.726944°
Nearby Counties (meeting notification criteria):
  • Washington County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power96.33 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)303.50 K
Observed - Background BT (3.9 um)8.65 K
BT Anomaly (3.9 um)21.58 K
Maximum Observed - Clear RTM BT (3.9 um)13.95 K
Maximum Observed BTD (3.9-10/11/12 um)13.39 K
Observed - Background BTD (3.9-10/11/12 um)9.03 K
BTD Anomaly (3.9-10/11/12 um)24.82 K
Similar Pixel Count4
BT Time Tendency (3.9 um)8.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.08
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power32.74 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.10°
Mean Solar Zenith Angle 75.10°
Mean Glint Angle60.20°
Water Fraction0.00
Total Pixel Area 25.50 km2
Latest Satellite Imagery:
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