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Wildfire Notification Report

Date: 2026-04-21
Time: 17:38:24
Production Date and Time: 2026-04-21 17:39:06 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadM1-M6C14_G18_s20261111738249_e20261111738307_c20261111738372.nc
L1 File(s) - TemporalOR_ABI-L1b-RadM1-M6C14_G18_s20261111737249_e20261111737307_c20261111737363.nc
Number Of Thermal Anomaly Notifications: 2
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Becker County, MN
NWS WFO Grand Forks ND
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 17:38:27UTC
Radiative Center (Lat, Lon): 47.082779°, -95.878334°
Nearby Counties (meeting notification criteria):
  • Becker County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power54.22 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)307.84 K
Observed - Background BT (3.9 um)6.89 K
BT Anomaly (3.9 um)5.12 K
Maximum Observed - Clear RTM BT (3.9 um)18.09 K
Maximum Observed BTD (3.9-10/11/12 um)16.88 K
Observed - Background BTD (3.9-10/11/12 um)6.63 K
BTD Anomaly (3.9-10/11/12 um)8.86 K
Similar Pixel Count0
BT Time Tendency (3.9 um)6.00 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.73
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power54.22 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 67.60°
Mean Solar Zenith Angle 36.70°
Mean Glint Angle84.30°
Water Fraction0.00
Total Pixel Area 10.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Brown County, MN
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 17:38:27UTC
Radiative Center (Lat, Lon): 44.223888°, -95.073608°
Nearby Counties (meeting notification criteria):
  • Brown County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power52.13 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)313.53 K
Observed - Background BT (3.9 um)1.80 K
BT Anomaly (3.9 um)1.75 K
Maximum Observed - Clear RTM BT (3.9 um)16.79 K
Maximum Observed BTD (3.9-10/11/12 um)14.46 K
Observed - Background BTD (3.9-10/11/12 um)2.49 K
BTD Anomaly (3.9-10/11/12 um)3.88 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.70 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.18
Fraction of Surrounding Red Channel Pixels that are Brighter0.98
Maximum Radiative Power28.07 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 66.10°
Mean Solar Zenith Angle 33.80°
Mean Glint Angle80.50°
Water Fraction0.00
Total Pixel Area 19.80 km2
Latest Satellite Imagery:
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