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Wildfire Notification Report

Date: 2026-04-21
Time: 13:21:17
Production Date and Time: 2026-04-21 13:25:54 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261111321177_e20261111323550_c20261111324011.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261111316177_e20261111318550_c20261111319009.nc
Number Of Thermal Anomaly Notifications: 5
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Houston County, MN
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 13:21:21UTC
Radiative Center (Lat, Lon): 43.790554°, -91.449448°
Nearby Counties (meeting notification criteria):
  • Houston County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power16.47 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)290.80 K
Observed - Background BT (3.9 um)4.32 K
BT Anomaly (3.9 um)4.13 K
Maximum Observed - Clear RTM BT (3.9 um)10.32 K
Maximum Observed BTD (3.9-10/11/12 um)8.01 K
Observed - Background BTD (3.9-10/11/12 um)4.22 K
BTD Anomaly (3.9-10/11/12 um)7.56 K
Similar Pixel Count4
BT Time Tendency (3.9 um)2.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.47
Fraction of Surrounding Red Channel Pixels that are Brighter0.96
Maximum Radiative Power16.47 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.40°
Mean Solar Zenith Angle 68.20°
Mean Glint Angle97.20°
Water Fraction0.00
Total Pixel Area 13.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) SD
Country/Countries United States
County/Locality(s) Hutchinson County, SD
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 13:21:20UTC
Radiative Center (Lat, Lon): 43.378334°, -97.756111°
Nearby Counties (meeting notification criteria):
  • Hutchinson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power17.81 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)290.51 K
Observed - Background BT (3.9 um)3.63 K
BT Anomaly (3.9 um)3.98 K
Maximum Observed - Clear RTM BT (3.9 um)6.31 K
Maximum Observed BTD (3.9-10/11/12 um)7.41 K
Observed - Background BTD (3.9-10/11/12 um)3.60 K
BTD Anomaly (3.9-10/11/12 um)10.78 K
Similar Pixel Count2
BT Time Tendency (3.9 um)3.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.54
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power9.57 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.20°
Mean Solar Zenith Angle 72.70°
Mean Glint Angle103.90°
Water Fraction0.00
Total Pixel Area 14.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IL
Country/Countries United States
County/Locality(s) Jersey County, IL
NWS WFO St Louis MO
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 13:21:51UTC
Radiative Center (Lat, Lon): 39.170277°, -90.357780°
Nearby Counties (meeting notification criteria):
  • Jersey County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power6.09 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)290.80 K
Observed - Background BT (3.9 um)3.17 K
BT Anomaly (3.9 um)2.73 K
Maximum Observed - Clear RTM BT (3.9 um)8.04 K
Maximum Observed BTD (3.9-10/11/12 um)9.28 K
Observed - Background BTD (3.9-10/11/12 um)3.02 K
BTD Anomaly (3.9-10/11/12 um)3.16 K
Similar Pixel Count22
BT Time Tendency (3.9 um)0.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.47
Fraction of Surrounding Red Channel Pixels that are Brighter0.97
Maximum Radiative Power6.09 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 48.20°
Mean Solar Zenith Angle 67.00°
Mean Glint Angle92.90°
Water Fraction0.00
Total Pixel Area 6.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) GA
Country/Countries United States
County/Locality(s) Washington County, GA
NWS WFO Peachtree City GA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 13:22:22UTC
Radiative Center (Lat, Lon): 33.071945°, -82.830276°
Nearby Counties (meeting notification criteria):
  • Washington County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power4.35 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)290.85 K
Observed - Background BT (3.9 um)2.62 K
BT Anomaly (3.9 um)2.40 K
Maximum Observed - Clear RTM BT (3.9 um)5.55 K
Maximum Observed BTD (3.9-10/11/12 um)4.75 K
Observed - Background BTD (3.9-10/11/12 um)2.63 K
BTD Anomaly (3.9-10/11/12 um)6.92 K
Similar Pixel Count4
BT Time Tendency (3.9 um)0.70 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 Power4.35 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 39.50°
Mean Solar Zenith Angle 60.50°
Mean Glint Angle78.60°
Water Fraction0.00
Total Pixel Area 5.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) FL
Country/Countries United States
County/Locality(s) Hendry County, FL
NWS WFO Miami FL
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 13:22:52UTC
Radiative Center (Lat, Lon): 26.622499°, -80.886665°
Nearby Counties (meeting notification criteria):
  • Hendry County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power131.19 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)324.80 K
Observed - Background BT (3.9 um)27.34 K
BT Anomaly (3.9 um)7.10 K
Maximum Observed - Clear RTM BT (3.9 um)33.07 K
Maximum Observed BTD (3.9-10/11/12 um)31.95 K
Observed - Background BTD (3.9-10/11/12 um)26.35 K
BTD Anomaly (3.9-10/11/12 um)7.56 K
Similar Pixel Count0
BT Time Tendency (3.9 um)27.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.87
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power131.19 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 31.90°
Mean Solar Zenith Angle 58.30°
Mean Glint Angle70.80°
Water Fraction0.00
Total Pixel Area 9.40 km2
Latest Satellite Imagery:
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