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Wildfire Notification Report

Date: 2026-04-21
Time: 15:46:17
Production Date and Time: 2026-04-21 15:51:01 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261111546177_e20261111548550_c20261111549021.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261111541177_e20261111543550_c20261111544039.nc
Number Of Thermal Anomaly Notifications: 6
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Stearns County, MN
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 15:46:21UTC
Radiative Center (Lat, Lon): 45.366943°, -94.247498°
Nearby Counties (meeting notification criteria):
  • Stearns County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power12.95 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)3.87 K
BT Anomaly (3.9 um)3.65 K
Maximum Observed - Clear RTM BT (3.9 um)16.10 K
Maximum Observed BTD (3.9-10/11/12 um)14.30 K
Observed - Background BTD (3.9-10/11/12 um)4.03 K
BTD Anomaly (3.9-10/11/12 um)3.48 K
Similar Pixel Count22
BT Time Tendency (3.9 um)0.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.28
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power12.95 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.90°
Mean Solar Zenith Angle 46.40°
Mean Glint Angle97.80°
Water Fraction0.00
Total Pixel Area 7.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Dickinson County, IA
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 15:46:20UTC
Radiative Center (Lat, Lon): 43.368889°, -95.042221°
Nearby Counties (meeting notification criteria):
  • Dickinson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power43.84 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)315.89 K
Observed - Background BT (3.9 um)6.29 K
BT Anomaly (3.9 um)4.39 K
Maximum Observed - Clear RTM BT (3.9 um)23.02 K
Maximum Observed BTD (3.9-10/11/12 um)16.96 K
Observed - Background BTD (3.9-10/11/12 um)7.35 K
BTD Anomaly (3.9-10/11/12 um)15.55 K
Similar Pixel Count2
BT Time Tendency (3.9 um)5.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.17
Fraction of Surrounding Red Channel Pixels that are Brighter0.99
Maximum Radiative Power43.84 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.20°
Mean Solar Zenith Angle 45.70°
Mean Glint Angle95.40°
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) Lyon County, IA
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 15:46:20UTC
Radiative Center (Lat, Lon): 43.322224°, -95.966393°
Nearby Counties (meeting notification criteria):
  • Lyon County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power27.03 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)315.64 K
Observed - Background BT (3.9 um)2.49 K
BT Anomaly (3.9 um)2.81 K
Maximum Observed - Clear RTM BT (3.9 um)22.00 K
Maximum Observed BTD (3.9-10/11/12 um)12.32 K
Observed - Background BTD (3.9-10/11/12 um)2.34 K
BTD Anomaly (3.9-10/11/12 um)8.26 K
Similar Pixel Count25
BT Time Tendency (3.9 um)2.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.59
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power13.75 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.50°
Mean Solar Zenith Angle 46.30°
Mean Glint Angle96.30°
Water Fraction0.00
Total Pixel Area 13.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Bremer County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 15:46:51UTC
Radiative Center (Lat, Lon): 42.872776°, -92.231667°
Nearby Counties (meeting notification criteria):
  • Bremer County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power18.41 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)306.57 K
Observed - Background BT (3.9 um)2.13 K
BT Anomaly (3.9 um)1.92 K
Maximum Observed - Clear RTM BT (3.9 um)16.72 K
Maximum Observed BTD (3.9-10/11/12 um)14.48 K
Observed - Background BTD (3.9-10/11/12 um)3.46 K
BTD Anomaly (3.9-10/11/12 um)6.14 K
Similar Pixel Count22
BT Time Tendency (3.9 um)4.00 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 Power18.41 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.70°
Mean Solar Zenith Angle 43.80°
Mean Glint Angle92.00°
Water Fraction0.00
Total Pixel Area 6.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) NE
Country/Countries United States
County/Locality(s) Seward County, NE
NWS WFO Omaha/Valley NE
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 15:46:50UTC
Radiative Center (Lat, Lon): 41.038334°, -96.953613°
Nearby Counties (meeting notification criteria):
  • Seward County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power48.31 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)316.18 K
Observed - Background BT (3.9 um)8.49 K
BT Anomaly (3.9 um)4.49 K
Maximum Observed - Clear RTM BT (3.9 um)20.84 K
Maximum Observed BTD (3.9-10/11/12 um)18.04 K
Observed - Background BTD (3.9-10/11/12 um)8.67 K
BTD Anomaly (3.9-10/11/12 um)10.87 K
Similar Pixel Count2
BT Time Tendency (3.9 um)10.60 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 Power48.31 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.70°
Mean Solar Zenith Angle 45.80°
Mean Glint Angle94.00°
Water Fraction0.00
Total Pixel Area 6.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) OK
Country/Countries United States
County/Locality(s) Ellis County, OK
NWS WFO Norman OK
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 15:46:50UTC
Radiative Center (Lat, Lon): 36.572224°, -99.761108°
Nearby Counties (meeting notification criteria):
  • Ellis County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power12.11 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)305.43 K
Observed - Background BT (3.9 um)2.88 K
BT Anomaly (3.9 um)3.76 K
Maximum Observed - Clear RTM BT (3.9 um)10.29 K
Maximum Observed BTD (3.9-10/11/12 um)12.42 K
Observed - Background BTD (3.9-10/11/12 um)3.06 K
BTD Anomaly (3.9-10/11/12 um)8.25 K
Similar Pixel Count25
BT Time Tendency (3.9 um)2.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.46
Fraction of Surrounding Red Channel Pixels that are Brighter0.92
Maximum Radiative Power12.11 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 50.00°
Mean Solar Zenith Angle 45.90°
Mean Glint Angle91.40°
Water Fraction0.00
Total Pixel Area 6.20 km2
Latest Satellite Imagery:
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