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Wildfire Notification Report

Date: 2026-04-16
Time: 19:40:28
Production Date and Time: 2026-04-16 19:41:13 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadM1-M6C14_G19_s20261061940280_e20261061940338_c20261061940383.nc
L1 File(s) - TemporalOR_ABI-L1b-RadM1-M6C14_G19_s20261061939251_e20261061939309_c20261061939358.nc
Number Of Thermal Anomaly Notifications: 4
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Possible Wildfire

Basic Information
State/Province(s) SD
Country/Countries United States
County/Locality(s) Turner County, SD
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-16 19:40:30UTC
Radiative Center (Lat, Lon): 43.415001°, -97.305832°
Nearby Counties (meeting notification criteria):
  • Turner County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power29.42 MW
Map:
Additional Information
Notification Status New Feature
Type of EventElevated Fire Risk (NWS/SPC) and Red Flag Warning (NWS)
Event Priority Ranking1
Maximum Observed BT (3.9 um)317.02 K
Observed - Background BT (3.9 um)4.71 K
BT Anomaly (3.9 um)4.02 K
Maximum Observed - Clear RTM BT (3.9 um)20.03 K
Maximum Observed BTD (3.9-10/11/12 um)14.79 K
Observed - Background BTD (3.9-10/11/12 um)4.28 K
BTD Anomaly (3.9-10/11/12 um)6.74 K
Similar Pixel Count25
BT Time Tendency (3.9 um)2.50 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.68
Fraction of Surrounding Red Channel Pixels that are Brighter0.98
Maximum Radiative Power29.42 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.10°
Mean Solar Zenith Angle 37.00°
Mean Glint Angle77.60°
Water Fraction0.00
Total Pixel Area 7.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) SD
Country/Countries United States
County/Locality(s) Charles Mix County, SD
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-16 19:40:30UTC
Radiative Center (Lat, Lon): 43.122501°, -98.544998°
Nearby Counties (meeting notification criteria):
  • Charles Mix County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power13.66 MW
Map:
Additional Information
Notification Status New Feature
Type of EventElevated Fire Risk (NWS/SPC) and Red Flag Warning (NWS)
Event Priority Ranking1
Maximum Observed BT (3.9 um)313.26 K
Observed - Background BT (3.9 um)2.37 K
BT Anomaly (3.9 um)2.06 K
Maximum Observed - Clear RTM BT (3.9 um)14.79 K
Maximum Observed BTD (3.9-10/11/12 um)10.95 K
Observed - Background BTD (3.9-10/11/12 um)2.09 K
BTD Anomaly (3.9-10/11/12 um)2.59 K
Similar Pixel Count22
BT Time Tendency (3.9 um)2.50 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.70
Fraction of Surrounding Red Channel Pixels that are Brighter0.96
Maximum Radiative Power13.66 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.30°
Mean Solar Zenith Angle 36.30°
Mean Glint Angle77.40°
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) Mahaska County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-16 19:40:31UTC
Radiative Center (Lat, Lon): 41.340557°, -92.687500°
Nearby Counties (meeting notification criteria):
  • Mahaska County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power12.13 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)306.61 K
Observed - Background BT (3.9 um)2.80 K
BT Anomaly (3.9 um)2.37 K
Maximum Observed - Clear RTM BT (3.9 um)13.20 K
Maximum Observed BTD (3.9-10/11/12 um)11.36 K
Observed - Background BTD (3.9-10/11/12 um)2.78 K
BTD Anomaly (3.9-10/11/12 um)3.71 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.60 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.53
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power12.13 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.30°
Mean Solar Zenith Angle 37.20°
Mean Glint Angle73.10°
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) Marion County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-16 19:40:31UTC
Radiative Center (Lat, Lon): 41.219444°, -93.213890°
Nearby Counties (meeting notification criteria):
  • Marion County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power9.24 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)2.68 K
BT Anomaly (3.9 um)3.13 K
Maximum Observed - Clear RTM BT (3.9 um)11.94 K
Maximum Observed BTD (3.9-10/11/12 um)10.63 K
Observed - Background BTD (3.9-10/11/12 um)2.64 K
BTD Anomaly (3.9-10/11/12 um)4.25 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.40 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.50
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power9.24 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.30°
Mean Solar Zenith Angle 36.90°
Mean Glint Angle72.90°
Water Fraction0.00
Total Pixel Area 6.40 km2
Latest Satellite Imagery:
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