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Wildfire Notification Report

Date: 2026-04-19
Time: 23:26:17
Production Date and Time: 2026-04-19 23:31:05 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261092326176_e20261092328549_c20261092329001.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261092321176_e20261092323549_c20261092324006.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) Miner County, SD
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-19 23:26:20UTC
Radiative Center (Lat, Lon): 43.965279°, -97.583336°
Nearby Counties (meeting notification criteria):
  • Miner County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power24.39 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)291.14 K
Observed - Background BT (3.9 um)5.08 K
BT Anomaly (3.9 um)8.00 K
Maximum Observed - Clear RTM BT (3.9 um)10.97 K
Maximum Observed BTD (3.9-10/11/12 um)9.34 K
Observed - Background BTD (3.9-10/11/12 um)5.57 K
BTD Anomaly (3.9-10/11/12 um)20.44 K
Similar Pixel Count3
BT Time Tendency (3.9 um)4.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.10
Fraction of Surrounding Red Channel Pixels that are Brighter0.98
Maximum Radiative Power14.34 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.80°
Mean Solar Zenith Angle 71.20°
Mean Glint Angle57.00°
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) Allamakee County, IA
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-19 23:26:21UTC
Radiative Center (Lat, Lon): 43.253056°, -91.416115°
Nearby Counties (meeting notification criteria):
  • Allamakee County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power36.29 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)290.34 K
Observed - Background BT (3.9 um)10.79 K
BT Anomaly (3.9 um)15.06 K
Maximum Observed - Clear RTM BT (3.9 um)16.37 K
Maximum Observed BTD (3.9-10/11/12 um)13.30 K
Observed - Background BTD (3.9-10/11/12 um)10.85 K
BTD Anomaly (3.9-10/11/12 um)10.08 K
Similar Pixel Count2
BT Time Tendency (3.9 um)9.20 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 Power36.29 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.80°
Mean Solar Zenith Angle 75.60°
Mean Glint Angle62.00°
Water Fraction0.00
Total Pixel Area 13.20 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/Time2026-04-19 23:26:21UTC
Radiative Center (Lat, Lon): 43.009167°, -91.972778°
Nearby Counties (meeting notification criteria):
  • Fayette County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power12.73 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)287.29 K
Observed - Background BT (3.9 um)6.56 K
BT Anomaly (3.9 um)11.28 K
Maximum Observed - Clear RTM BT (3.9 um)11.93 K
Maximum Observed BTD (3.9-10/11/12 um)9.39 K
Observed - Background BTD (3.9-10/11/12 um)6.31 K
BTD Anomaly (3.9-10/11/12 um)10.86 K
Similar Pixel Count4
BT Time Tendency (3.9 um)5.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.73
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power12.73 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.70°
Mean Solar Zenith Angle 75.20°
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) Audubon County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-19 23:26:50UTC
Radiative Center (Lat, Lon): 41.718056°, -95.082497°
Nearby Counties (meeting notification criteria):
  • Audubon County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power24.07 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)292.77 K
Observed - Background BT (3.9 um)6.35 K
BT Anomaly (3.9 um)10.92 K
Maximum Observed - Clear RTM BT (3.9 um)12.08 K
Maximum Observed BTD (3.9-10/11/12 um)10.25 K
Observed - Background BTD (3.9-10/11/12 um)6.03 K
BTD Anomaly (3.9-10/11/12 um)12.06 K
Similar Pixel Count2
BT Time Tendency (3.9 um)3.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.81
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power24.07 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.60°
Mean Solar Zenith Angle 72.90°
Mean Glint Angle57.70°
Water Fraction0.00
Total Pixel Area 13.20 km2
Latest Satellite Imagery:
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