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Wildfire Notification Report

Date: 2026-04-21
Time: 18:01:17
Production Date and Time: 2026-04-21 18:06:11 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261111801177_e20261111803550_c20261111804004.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261111756177_e20261111758550_c20261111759045.nc
Number Of Thermal Anomaly Notifications: 4
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Mower County, MN
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:01:21UTC
Radiative Center (Lat, Lon): 43.799446°, -92.515274°
Nearby Counties (meeting notification criteria):
  • Mower County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power15.62 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)314.87 K
Observed - Background BT (3.9 um)2.71 K
BT Anomaly (3.9 um)1.48 K
Maximum Observed - Clear RTM BT (3.9 um)20.22 K
Maximum Observed BTD (3.9-10/11/12 um)15.76 K
Observed - Background BTD (3.9-10/11/12 um)2.42 K
BTD Anomaly (3.9-10/11/12 um)2.27 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.59
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power15.62 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.70°
Mean Solar Zenith Angle 32.30°
Mean Glint Angle84.40°
Water Fraction0.00
Total Pixel Area 6.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Palo Alto County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:01:20UTC
Radiative Center (Lat, Lon): 43.226944°, -94.477219°
Nearby Counties (meeting notification criteria):
  • Palo Alto County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power63.66 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)325.98 K
Observed - Background BT (3.9 um)5.32 K
BT Anomaly (3.9 um)4.68 K
Maximum Observed - Clear RTM BT (3.9 um)24.66 K
Maximum Observed BTD (3.9-10/11/12 um)15.99 K
Observed - Background BTD (3.9-10/11/12 um)4.52 K
BTD Anomaly (3.9-10/11/12 um)16.53 K
Similar Pixel Count25
BT Time Tendency (3.9 um)4.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.79
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power37.99 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.80°
Mean Solar Zenith Angle 31.90°
Mean Glint Angle84.20°
Water Fraction0.00
Total Pixel Area 13.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) NE
Country/Countries United States
County/Locality(s) Custer County, NE
NWS WFO North Platte NE
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:01:50UTC
Radiative Center (Lat, Lon): 41.510277°, -99.793892°
Nearby Counties (meeting notification criteria):
  • Custer County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power35.88 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)322.26 K
Observed - Background BT (3.9 um)6.39 K
BT Anomaly (3.9 um)8.61 K
Maximum Observed - Clear RTM BT (3.9 um)20.27 K
Maximum Observed BTD (3.9-10/11/12 um)14.57 K
Observed - Background BTD (3.9-10/11/12 um)5.00 K
BTD Anomaly (3.9-10/11/12 um)10.12 K
Similar Pixel Count19
BT Time Tendency (3.9 um)3.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.98
Fraction of Surrounding Red Channel Pixels that are Brighter0.97
Maximum Radiative Power35.88 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.40°
Mean Solar Zenith Angle 31.00°
Mean Glint Angle84.40°
Water Fraction0.00
Total Pixel Area 6.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) TN
Country/Countries United States
County/Locality(s) Meigs County, TN
NWS WFO Morristown TN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:02:21UTC
Radiative Center (Lat, Lon): 35.541668°, -84.808334°
Nearby Counties (meeting notification criteria):
  • Meigs County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power10.29 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)304.29 K
Observed - Background BT (3.9 um)3.97 K
BT Anomaly (3.9 um)2.65 K
Maximum Observed - Clear RTM BT (3.9 um)8.57 K
Maximum Observed BTD (3.9-10/11/12 um)9.98 K
Observed - Background BTD (3.9-10/11/12 um)3.45 K
BTD Anomaly (3.9-10/11/12 um)3.23 K
Similar Pixel Count22
BT Time Tendency (3.9 um)1.40 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 Power10.29 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 42.70°
Mean Solar Zenith Angle 24.60°
Mean Glint Angle64.90°
Water Fraction0.00
Total Pixel Area 5.40 km2
Latest Satellite Imagery:
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