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Wildfire Notification Report

Date: 2026-04-21
Time: 14:11:17
Production Date and Time: 2026-04-21 14:16:00 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261111411177_e20261111413550_c20261111414021.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261111406177_e20261111408550_c20261111409005.nc
Number Of Thermal Anomaly Notifications: 3
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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 14:11:21UTC
Radiative Center (Lat, Lon): 43.558887°, -91.680275°
Nearby Counties (meeting notification criteria):
  • Houston County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power11.81 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)296.61 K
Observed - Background BT (3.9 um)3.81 K
BT Anomaly (3.9 um)4.60 K
Maximum Observed - Clear RTM BT (3.9 um)12.59 K
Maximum Observed BTD (3.9-10/11/12 um)10.01 K
Observed - Background BTD (3.9-10/11/12 um)3.44 K
BTD Anomaly (3.9-10/11/12 um)4.80 K
Similar Pixel Count14
BT Time Tendency (3.9 um)1.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.86
Fraction of Surrounding Red Channel Pixels that are Brighter0.96
Maximum Radiative Power11.81 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.20°
Mean Solar Zenith Angle 59.40°
Mean Glint Angle96.40°
Water Fraction0.00
Total Pixel Area 6.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Walworth County, WI
NWS WFO Milwaukee/Sullivan WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 14:11:51UTC
Radiative Center (Lat, Lon): 42.749722°, -88.606667°
Nearby Counties (meeting notification criteria):
  • Walworth County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power4.65 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)292.55 K
Observed - Background BT (3.9 um)2.12 K
BT Anomaly (3.9 um)1.95 K
Maximum Observed - Clear RTM BT (3.9 um)10.04 K
Maximum Observed BTD (3.9-10/11/12 um)10.33 K
Observed - Background BTD (3.9-10/11/12 um)3.21 K
BTD Anomaly (3.9-10/11/12 um)3.39 K
Similar Pixel Count18
BT Time Tendency (3.9 um)1.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.63
Fraction of Surrounding Red Channel Pixels that are Brighter0.94
Maximum Radiative Power4.65 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.40°
Mean Solar Zenith Angle 57.00°
Mean Glint Angle92.30°
Water Fraction0.00
Total Pixel Area 6.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IL
Country/Countries United States
County/Locality(s) Fayette County, IL
NWS WFO St Louis MO
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 14:11:51UTC
Radiative Center (Lat, Lon): 38.861946°, -88.988892°
Nearby Counties (meeting notification criteria):
  • Fayette County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power5.19 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)294.31 K
Observed - Background BT (3.9 um)2.02 K
BT Anomaly (3.9 um)2.81 K
Maximum Observed - Clear RTM BT (3.9 um)10.38 K
Maximum Observed BTD (3.9-10/11/12 um)6.94 K
Observed - Background BTD (3.9-10/11/12 um)2.14 K
BTD Anomaly (3.9-10/11/12 um)2.07 K
Similar Pixel Count19
BT Time Tendency (3.9 um)0.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.34
Fraction of Surrounding Red Channel Pixels that are Brighter0.93
Maximum Radiative Power5.19 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 47.50°
Mean Solar Zenith Angle 56.30°
Mean Glint Angle88.50°
Water Fraction0.00
Total Pixel Area 5.90 km2
Latest Satellite Imagery:
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