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Wildfire Notification Report

Date: 2026-04-21
Time: 13:46:17
Production Date and Time: 2026-04-21 13:50:50 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261111346177_e20261111348550_c20261111349011.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261111341177_e20261111343550_c20261111344038.nc
Number Of Thermal Anomaly Notifications: 6
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Possible Wildfire

Basic Information
State/Province(s) Ontario
Country/Countries Canada
County/Locality(s) Algoma, Ontario
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 13:46:22UTC
Radiative Center (Lat, Lon): 46.521111°, -84.344444°
Nearby Counties (meeting notification criteria):
  • Algoma (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power6.08 MW
Map:
Additional Information
Notification Status New Feature
Type of EventIndustrial
Event Priority Ranking5
Maximum Observed BT (3.9 um)285.21 K
Observed - Background BT (3.9 um)3.89 K
BT Anomaly (3.9 um)2.10 K
Maximum Observed - Clear RTM BT (3.9 um)9.59 K
Maximum Observed BTD (3.9-10/11/12 um)7.56 K
Observed - Background BTD (3.9-10/11/12 um)2.96 K
BTD Anomaly (3.9-10/11/12 um)4.25 K
Similar Pixel Count16
BT Time Tendency (3.9 um)0.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.81
Fraction of Surrounding Red Channel Pixels that are Brighter0.95
Maximum Radiative Power6.08 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.50°
Mean Solar Zenith Angle 59.40°
Mean Glint Angle92.60°
Water Fraction0.00
Total Pixel Area 6.90 km2
Latest Satellite Imagery:
  • None Available
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Possible Wildfire

Basic Information
State/Province(s) SD
Country/Countries United States
County/Locality(s) Yankton County, SD
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 13:46:50UTC
Radiative Center (Lat, Lon): 43.147221°, -97.274445°
Nearby Counties (meeting notification criteria):
  • Yankton County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power4.37 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)295.95 K
Observed - Background BT (3.9 um)2.37 K
BT Anomaly (3.9 um)1.74 K
Maximum Observed - Clear RTM BT (3.9 um)9.27 K
Maximum Observed BTD (3.9-10/11/12 um)6.89 K
Observed - Background BTD (3.9-10/11/12 um)1.56 K
BTD Anomaly (3.9-10/11/12 um)3.97 K
Similar Pixel Count23
BT Time Tendency (3.9 um)1.30 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 Power4.37 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.80°
Mean Solar Zenith Angle 67.80°
Mean Glint Angle102.90°
Water Fraction0.00
Total Pixel Area 6.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Johnson County, IA
NWS WFO Quad Cities IL
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 13:46:51UTC
Radiative Center (Lat, Lon): 41.834999°, -91.468613°
Nearby Counties (meeting notification criteria):
  • Johnson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power12.01 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)295.19 K
Observed - Background BT (3.9 um)3.71 K
BT Anomaly (3.9 um)3.53 K
Maximum Observed - Clear RTM BT (3.9 um)11.22 K
Maximum Observed BTD (3.9-10/11/12 um)11.48 K
Observed - Background BTD (3.9-10/11/12 um)4.34 K
BTD Anomaly (3.9-10/11/12 um)4.30 K
Similar Pixel Count16
BT Time Tendency (3.9 um)3.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.50
Fraction of Surrounding Red Channel Pixels that are Brighter0.88
Maximum Radiative Power12.01 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.40°
Mean Solar Zenith Angle 63.40°
Mean Glint Angle95.30°
Water Fraction0.00
Total Pixel Area 6.40 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 (Clear)
Mean Object Date/Time2026-04-21 13:46:51UTC
Radiative Center (Lat, Lon): 41.639721°, -93.110001°
Nearby Counties (meeting notification criteria):
  • Jasper County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power20.86 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)6.77 K
BT Anomaly (3.9 um)7.74 K
Maximum Observed - Clear RTM BT (3.9 um)13.47 K
Maximum Observed BTD (3.9-10/11/12 um)13.38 K
Observed - Background BTD (3.9-10/11/12 um)6.63 K
BTD Anomaly (3.9-10/11/12 um)9.70 K
Similar Pixel Count3
BT Time Tendency (3.9 um)5.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.64
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power20.86 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.70°
Mean Solar Zenith Angle 64.60°
Mean Glint Angle97.00°
Water Fraction0.00
Total Pixel Area 6.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MO
Country/Countries United States
County/Locality(s) Morgan County, MO
NWS WFO Springfield MO
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 13:46:50UTC
Radiative Center (Lat, Lon): 38.428890°, -92.946114°
Nearby Counties (meeting notification criteria):
  • Morgan County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power6.31 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)291.41 K
Observed - Background BT (3.9 um)2.66 K
BT Anomaly (3.9 um)6.56 K
Maximum Observed - Clear RTM BT (3.9 um)7.38 K
Maximum Observed BTD (3.9-10/11/12 um)5.75 K
Observed - Background BTD (3.9-10/11/12 um)2.40 K
BTD Anomaly (3.9-10/11/12 um)3.77 K
Similar Pixel Count5
BT Time Tendency (3.9 um)3.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.63
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power6.31 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 48.50°
Mean Solar Zenith Angle 64.10°
Mean Glint Angle94.50°
Water Fraction0.00
Total Pixel Area 6.00 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 13:47:52UTC
Radiative Center (Lat, Lon): 26.536388°, -80.923058°
Nearby Counties (meeting notification criteria):
  • Hendry County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power190.29 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)323.91 K
Observed - Background BT (3.9 um)24.11 K
BT Anomaly (3.9 um)18.92 K
Maximum Observed - Clear RTM BT (3.9 um)31.43 K
Maximum Observed BTD (3.9-10/11/12 um)29.35 K
Observed - Background BTD (3.9-10/11/12 um)22.94 K
BTD Anomaly (3.9-10/11/12 um)28.05 K
Similar Pixel Count0
BT Time Tendency (3.9 um)22.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.99
Fraction of Surrounding Red Channel Pixels that are Brighter0.94
Maximum Radiative Power125.34 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 31.80°
Mean Solar Zenith Angle 52.80°
Mean Glint Angle67.50°
Water Fraction0.00
Total Pixel Area 14.10 km2
Latest Satellite Imagery:
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