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Wildfire Notification Report

Date: 2026-04-20
Time: 17:41:17
Production Date and Time: 2026-04-20 17:46:19 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261101741176_e20261101743549_c20261101744023.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261101736176_e20261101738549_c20261101739008.nc
Number Of Thermal Anomaly Notifications: 8
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Dunn County, WI
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:41:21UTC
Radiative Center (Lat, Lon): 44.712502°, -91.838890°
Nearby Counties (meeting notification criteria):
  • Dunn County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power6.29 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)298.86 K
Observed - Background BT (3.9 um)2.28 K
BT Anomaly (3.9 um)1.78 K
Maximum Observed - Clear RTM BT (3.9 um)17.10 K
Maximum Observed BTD (3.9-10/11/12 um)13.63 K
Observed - Background BTD (3.9-10/11/12 um)2.03 K
BTD Anomaly (3.9-10/11/12 um)2.28 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.60 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 Power6.29 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.40°
Mean Solar Zenith Angle 33.90°
Mean Glint Angle87.80°
Water Fraction0.00
Total Pixel Area 6.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Big Horn County, MT
NWS WFO Billings MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:41:19UTC
Radiative Center (Lat, Lon): 45.479443°, -108.006943°
Nearby Counties (meeting notification criteria):
  • Big Horn County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power18.62 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)307.48 K
Observed - Background BT (3.9 um)3.11 K
BT Anomaly (3.9 um)1.65 K
Maximum Observed - Clear RTM BT (3.9 um)11.88 K
Maximum Observed BTD (3.9-10/11/12 um)12.86 K
Observed - Background BTD (3.9-10/11/12 um)3.29 K
BTD Anomaly (3.9-10/11/12 um)3.44 K
Similar Pixel Count23
BT Time Tendency (3.9 um)2.90 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 Power18.62 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 61.90°
Mean Solar Zenith Angle 39.30°
Mean Glint Angle101.00°
Water Fraction0.00
Total Pixel Area 8.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Fond du Lac County, WI
NWS WFO Milwaukee/Sullivan WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:41:21UTC
Radiative Center (Lat, Lon): 43.880833°, -88.848610°
Nearby Counties (meeting notification criteria):
  • Fond du Lac County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power31.56 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)300.15 K
Observed - Background BT (3.9 um)5.54 K
BT Anomaly (3.9 um)3.65 K
Maximum Observed - Clear RTM BT (3.9 um)17.52 K
Maximum Observed BTD (3.9-10/11/12 um)15.66 K
Observed - Background BTD (3.9-10/11/12 um)5.24 K
BTD Anomaly (3.9-10/11/12 um)5.36 K
Similar Pixel Count24
BT Time Tendency (3.9 um)1.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.75
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power16.85 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.70°
Mean Solar Zenith Angle 32.80°
Mean Glint Angle84.80°
Water Fraction0.00
Total Pixel Area 13.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Juneau County, WI
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:41:21UTC
Radiative Center (Lat, Lon): 43.734444°, -89.880280°
Nearby Counties (meeting notification criteria):
  • Juneau County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power25.50 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)299.28 K
Observed - Background BT (3.9 um)4.24 K
BT Anomaly (3.9 um)2.48 K
Maximum Observed - Clear RTM BT (3.9 um)17.15 K
Maximum Observed BTD (3.9-10/11/12 um)13.38 K
Observed - Background BTD (3.9-10/11/12 um)4.42 K
BTD Anomaly (3.9-10/11/12 um)4.79 K
Similar Pixel Count8
BT Time Tendency (3.9 um)3.90 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 Power25.50 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.80°
Mean Solar Zenith Angle 32.70°
Mean Glint Angle84.90°
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) Scott County, IA
NWS WFO Quad Cities IL
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:41:51UTC
Radiative Center (Lat, Lon): 41.658054°, -90.453331°
Nearby Counties (meeting notification criteria):
  • Scott County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power21.88 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)309.22 K
Observed - Background BT (3.9 um)5.89 K
BT Anomaly (3.9 um)2.51 K
Maximum Observed - Clear RTM BT (3.9 um)23.61 K
Maximum Observed BTD (3.9-10/11/12 um)17.03 K
Observed - Background BTD (3.9-10/11/12 um)5.36 K
BTD Anomaly (3.9-10/11/12 um)3.75 K
Similar Pixel Count23
BT Time Tendency (3.9 um)3.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.75
Fraction of Surrounding Red Channel Pixels that are Brighter0.81
Maximum Radiative Power21.88 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 50.80°
Mean Solar Zenith Angle 30.70°
Mean Glint Angle81.00°
Water Fraction0.00
Total Pixel Area 6.30 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) GA
Country/Countries United States
County/Locality(s) Pierce County, GA
NWS WFO Jacksonville FL
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:42:22UTC
Radiative Center (Lat, Lon): 31.232779°, -82.165276°
Nearby Counties (meeting notification criteria):
  • Pierce County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power26.66 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)307.00 K
Observed - Background BT (3.9 um)2.90 K
BT Anomaly (3.9 um)1.40 K
Maximum Observed - Clear RTM BT (3.9 um)10.79 K
Maximum Observed BTD (3.9-10/11/12 um)15.35 K
Observed - Background BTD (3.9-10/11/12 um)3.06 K
BTD Anomaly (3.9-10/11/12 um)2.04 K
Similar Pixel Count24
BT Time Tendency (3.9 um)4.00 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 Power14.15 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 37.30°
Mean Solar Zenith Angle 20.30°
Mean Glint Angle56.50°
Water Fraction0.00
Total Pixel Area 10.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) Unknown
Country/Countries Cuba
County/Locality(s) Unknown, Unknown
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:43:22UTC
Radiative Center (Lat, Lon): 21.789444°, -77.863052°
Nearby Counties (meeting notification criteria):
  • Unknown (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power33.30 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)312.15 K
Observed - Background BT (3.9 um)5.75 K
BT Anomaly (3.9 um)3.08 K
Maximum Observed - Clear RTM BT (3.9 um)7.16 K
Maximum Observed BTD (3.9-10/11/12 um)16.51 K
Observed - Background BTD (3.9-10/11/12 um)5.16 K
BTD Anomaly (3.9-10/11/12 um)3.03 K
Similar Pixel Count13
BT Time Tendency (3.9 um)3.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.80
Fraction of Surrounding Red Channel Pixels that are Brighter0.60
Maximum Radiative Power18.18 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 25.80°
Mean Solar Zenith Angle 12.90°
Mean Glint Angle36.20°
Water Fraction0.00
Total Pixel Area 8.90 km2
Latest Satellite Imagery:
  • None Available
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Possible Wildfire

Basic Information
State/Province(s) Unknown
Country/Countries Puerto Rico
County/Locality(s) Unknown, Unknown
NWS WFO N/A
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-20 17:43:54UTC
Radiative Center (Lat, Lon): 18.028889°, -66.277496°
Nearby Counties (meeting notification criteria):
  • Unknown (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power45.51 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)321.88 K
Observed - Background BT (3.9 um)12.19 K
BT Anomaly (3.9 um)6.00 K
Maximum Observed - Clear RTM BT (3.9 um)21.90 K
Maximum Observed BTD (3.9-10/11/12 um)24.05 K
Observed - Background BTD (3.9-10/11/12 um)11.86 K
BTD Anomaly (3.9-10/11/12 um)8.97 K
Similar Pixel Count0
BT Time Tendency (3.9 um)9.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.90
Fraction of Surrounding Red Channel Pixels that are Brighter0.79
Maximum Radiative Power45.51 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 23.60°
Mean Solar Zenith Angle 19.90°
Mean Glint Angle40.00°
Water Fraction0.00
Total Pixel Area 4.40 km2
Latest Satellite Imagery:
  • None Available
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