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Wildfire Notification Report

Date: 2026-04-20
Time: 17:26:17
Production Date and Time: 2026-04-20 17:31:05 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261101726176_e20261101728549_c20261101728598.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261101721176_e20261101723549_c20261101724047.nc
Number Of Thermal Anomaly Notifications: 8
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Teton County, MT
NWS WFO Great Falls MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:26:19UTC
Radiative Center (Lat, Lon): 47.599998°, -111.957497°
Nearby Counties (meeting notification criteria):
  • Teton County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power30.13 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)311.65 K
Observed - Background BT (3.9 um)5.90 K
BT Anomaly (3.9 um)5.10 K
Maximum Observed - Clear RTM BT (3.9 um)18.62 K
Maximum Observed BTD (3.9-10/11/12 um)17.76 K
Observed - Background BTD (3.9-10/11/12 um)5.92 K
BTD Anomaly (3.9-10/11/12 um)7.05 K
Similar Pixel Count21
BT Time Tendency (3.9 um)5.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.51
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power30.13 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 65.60°
Mean Solar Zenith Angle 44.30°
Mean Glint Angle109.90°
Water Fraction0.00
Total Pixel Area 9.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Winona County, MN
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:26:21UTC
Radiative Center (Lat, Lon): 44.144165°, -92.070557°
Nearby Counties (meeting notification criteria):
  • Winona County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power13.64 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)301.31 K
Observed - Background BT (3.9 um)3.62 K
BT Anomaly (3.9 um)1.72 K
Maximum Observed - Clear RTM BT (3.9 um)18.56 K
Maximum Observed BTD (3.9-10/11/12 um)16.25 K
Observed - Background BTD (3.9-10/11/12 um)3.76 K
BTD Anomaly (3.9-10/11/12 um)2.43 K
Similar Pixel Count20
BT Time Tendency (3.9 um)3.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.44
Fraction of Surrounding Red Channel Pixels that are Brighter0.99
Maximum Radiative Power13.64 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.90°
Mean Solar Zenith Angle 34.10°
Mean Glint Angle87.90°
Water Fraction0.00
Total Pixel Area 6.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Winona County, MN
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:26:21UTC
Radiative Center (Lat, Lon): 43.888332°, -91.704170°
Nearby Counties (meeting notification criteria):
  • Winona County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power41.25 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)306.47 K
Observed - Background BT (3.9 um)9.97 K
BT Anomaly (3.9 um)6.20 K
Maximum Observed - Clear RTM BT (3.9 um)24.75 K
Maximum Observed BTD (3.9-10/11/12 um)21.95 K
Observed - Background BTD (3.9-10/11/12 um)10.88 K
BTD Anomaly (3.9-10/11/12 um)8.70 K
Similar Pixel Count7
BT Time Tendency (3.9 um)2.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.20
Fraction of Surrounding Red Channel Pixels that are Brighter0.98
Maximum Radiative Power41.25 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.50°
Mean Solar Zenith Angle 33.80°
Mean Glint Angle87.20°
Water Fraction0.00
Total Pixel Area 6.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Chickasaw County, IA
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:26:21UTC
Radiative Center (Lat, Lon): 43.192780°, -92.171112°
Nearby Counties (meeting notification criteria):
  • Chickasaw County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8.87 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.76 K
Observed - Background BT (3.9 um)1.64 K
BT Anomaly (3.9 um)1.46 K
Maximum Observed - Clear RTM BT (3.9 um)19.23 K
Maximum Observed BTD (3.9-10/11/12 um)15.50 K
Observed - Background BTD (3.9-10/11/12 um)2.47 K
BTD Anomaly (3.9-10/11/12 um)3.67 K
Similar Pixel Count25
BT Time Tendency (3.9 um)2.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.08
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power8.87 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.00°
Mean Solar Zenith Angle 33.20°
Mean Glint Angle86.10°
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) Washington County, IA
NWS WFO Quad Cities IL
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-20 17:26:51UTC
Radiative Center (Lat, Lon): 41.196388°, -91.811386°
Nearby Counties (meeting notification criteria):
  • Washington County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power82.56 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)310.63 K
Observed - Background BT (3.9 um)10.24 K
BT Anomaly (3.9 um)5.45 K
Maximum Observed - Clear RTM BT (3.9 um)25.30 K
Maximum Observed BTD (3.9-10/11/12 um)21.47 K
Observed - Background BTD (3.9-10/11/12 um)10.87 K
BTD Anomaly (3.9-10/11/12 um)8.33 K
Similar Pixel Count0
BT Time Tendency (3.9 um)10.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.18
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power49.16 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 50.80°
Mean Solar Zenith Angle 31.20°
Mean Glint Angle81.90°
Water Fraction0.00
Total Pixel Area 12.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IN
Country/Countries United States
County/Locality(s) Bartholomew County, IN
NWS WFO Indianapolis IN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:26:51UTC
Radiative Center (Lat, Lon): 39.267502°, -85.965553°
Nearby Counties (meeting notification criteria):
  • Bartholomew County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power11.48 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)305.57 K
Observed - Background BT (3.9 um)2.86 K
BT Anomaly (3.9 um)1.26 K
Maximum Observed - Clear RTM BT (3.9 um)17.45 K
Maximum Observed BTD (3.9-10/11/12 um)12.62 K
Observed - Background BTD (3.9-10/11/12 um)3.22 K
BTD Anomaly (3.9-10/11/12 um)2.92 K
Similar Pixel Count12
BT Time Tendency (3.9 um)3.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.50
Fraction of Surrounding Red Channel Pixels that are Brighter0.74
Maximum Radiative Power11.48 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 47.00°
Mean Solar Zenith Angle 28.30°
Mean Glint Angle75.10°
Water Fraction0.00
Total Pixel Area 5.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) TN
Country/Countries United States
County/Locality(s) Coffee County, TN
NWS WFO Nashville TN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:27:21UTC
Radiative Center (Lat, Lon): 35.393055°, -86.171112°
Nearby Counties (meeting notification criteria):
  • Coffee County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8.22 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)303.53 K
Observed - Background BT (3.9 um)3.46 K
BT Anomaly (3.9 um)1.74 K
Maximum Observed - Clear RTM BT (3.9 um)13.26 K
Maximum Observed BTD (3.9-10/11/12 um)10.28 K
Observed - Background BTD (3.9-10/11/12 um)2.73 K
BTD Anomaly (3.9-10/11/12 um)2.77 K
Similar Pixel Count16
BT Time Tendency (3.9 um)2.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.51
Fraction of Surrounding Red Channel Pixels that are Brighter0.96
Maximum Radiative Power8.22 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 42.90°
Mean Solar Zenith Angle 24.50°
Mean Glint Angle67.20°
Water Fraction0.00
Total Pixel Area 5.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) Unknown
Country/Countries Dominican Republic
County/Locality(s) Unknown, Unknown
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:28:53UTC
Radiative Center (Lat, Lon): 18.539444°, -69.277496°
Nearby Counties (meeting notification criteria):
  • Unknown (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power22.65 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)314.54 K
Observed - Background BT (3.9 um)7.46 K
BT Anomaly (3.9 um)3.01 K
Maximum Observed - Clear RTM BT (3.9 um)13.34 K
Maximum Observed BTD (3.9-10/11/12 um)20.11 K
Observed - Background BTD (3.9-10/11/12 um)6.96 K
BTD Anomaly (3.9-10/11/12 um)3.53 K
Similar Pixel Count23
BT Time Tendency (3.9 um)3.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.86
Fraction of Surrounding Red Channel Pixels that are Brighter0.90
Maximum Radiative Power22.65 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 22.90°
Mean Solar Zenith Angle 14.20°
Mean Glint Angle34.60°
Water Fraction0.00
Total Pixel Area 4.30 km2
Latest Satellite Imagery:
  • None Available
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