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Wildfire Notification Report

Date: 2026-04-20
Time: 15:21:17
Production Date and Time: 2026-04-20 15:26:11 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261101521176_e20261101523549_c20261101524031.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261101516176_e20261101518549_c20261101518595.nc
Number Of Thermal Anomaly Notifications: 4
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) St. Croix County, WI
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 15:21:21UTC
Radiative Center (Lat, Lon): 45.180279°, -92.749443°
Nearby Counties (meeting notification criteria):
  • St. Croix County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power9.00 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)291.69 K
Observed - Background BT (3.9 um)2.98 K
BT Anomaly (3.9 um)1.97 K
Maximum Observed - Clear RTM BT (3.9 um)14.36 K
Maximum Observed BTD (3.9-10/11/12 um)11.88 K
Observed - Background BTD (3.9-10/11/12 um)2.99 K
BTD Anomaly (3.9-10/11/12 um)2.85 K
Similar Pixel Count23
BT Time Tendency (3.9 um)2.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.56
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power9.00 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.20°
Mean Solar Zenith Angle 49.40°
Mean Glint Angle97.60°
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) Jasper County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-20 15:21:51UTC
Radiative Center (Lat, Lon): 41.694721°, -93.073608°
Nearby Counties (meeting notification criteria):
  • Jasper County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power81.05 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)305.77 K
Observed - Background BT (3.9 um)9.94 K
BT Anomaly (3.9 um)7.91 K
Maximum Observed - Clear RTM BT (3.9 um)25.78 K
Maximum Observed BTD (3.9-10/11/12 um)20.68 K
Observed - Background BTD (3.9-10/11/12 um)9.93 K
BTD Anomaly (3.9-10/11/12 um)11.93 K
Similar Pixel Count0
BT Time Tendency (3.9 um)12.40 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 Power57.36 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.80°
Mean Solar Zenith Angle 47.90°
Mean Glint Angle92.80°
Water Fraction0.00
Total Pixel Area 19.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Clarke County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 15:21:50UTC
Radiative Center (Lat, Lon): 41.046391°, -93.831108°
Nearby Counties (meeting notification criteria):
  • Clarke County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8.12 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)295.43 K
Observed - Background BT (3.9 um)2.67 K
BT Anomaly (3.9 um)3.28 K
Maximum Observed - Clear RTM BT (3.9 um)14.43 K
Maximum Observed BTD (3.9-10/11/12 um)9.97 K
Observed - Background BTD (3.9-10/11/12 um)2.73 K
BTD Anomaly (3.9-10/11/12 um)3.70 K
Similar Pixel Count19
BT Time Tendency (3.9 um)2.30 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 Power8.12 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.40°
Mean Solar Zenith Angle 48.20°
Mean Glint Angle92.80°
Water Fraction0.00
Total Pixel Area 6.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IN
Country/Countries United States
County/Locality(s) Carroll County, IN
NWS WFO Indianapolis IN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 15:21:51UTC
Radiative Center (Lat, Lon): 40.619446°, -86.551941°
Nearby Counties (meeting notification criteria):
  • Carroll County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power5.60 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)296.65 K
Observed - Background BT (3.9 um)2.14 K
BT Anomaly (3.9 um)1.36 K
Maximum Observed - Clear RTM BT (3.9 um)16.06 K
Maximum Observed BTD (3.9-10/11/12 um)13.31 K
Observed - Background BTD (3.9-10/11/12 um)2.97 K
BTD Anomaly (3.9-10/11/12 um)1.94 K
Similar Pixel Count23
BT Time Tendency (3.9 um)1.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.16
Fraction of Surrounding Red Channel Pixels that are Brighter0.91
Maximum Radiative Power5.60 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 48.60°
Mean Solar Zenith Angle 43.20°
Mean Glint Angle84.90°
Water Fraction0.00
Total Pixel Area 6.10 km2
Latest Satellite Imagery:
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