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Wildfire Notification Report

Date: 2026-04-21
Time: 22:01:17
Production Date and Time: 2026-04-21 22:06:06 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261112201177_e20261112203551_c20261112204016.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261112156177_e20261112158551_c20261112159010.nc
Number Of Thermal Anomaly Notifications: 6
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Red Lake County, MN
NWS WFO Grand Forks ND
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 22:01:21UTC
Radiative Center (Lat, Lon): 47.853889°, -95.787224°
Nearby Counties (meeting notification criteria):
  • Red Lake County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power10.09 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)297.02 K
Observed - Background BT (3.9 um)2.53 K
BT Anomaly (3.9 um)2.17 K
Maximum Observed - Clear RTM BT (3.9 um)10.68 K
Maximum Observed BTD (3.9-10/11/12 um)9.72 K
Observed - Background BTD (3.9-10/11/12 um)2.63 K
BTD Anomaly (3.9-10/11/12 um)5.93 K
Similar Pixel Count25
BT Time Tendency (3.9 um)2.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.45
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power10.09 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.80°
Mean Solar Zenith Angle 58.20°
Mean Glint Angle68.50°
Water Fraction0.00
Total Pixel Area 7.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) ND
Country/Countries United States
County/Locality(s) Steele County, ND
NWS WFO Grand Forks ND
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 22:01:20UTC
Radiative Center (Lat, Lon): 47.416111°, -97.549721°
Nearby Counties (meeting notification criteria):
  • Steele County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power138.09 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)312.78 K
Observed - Background BT (3.9 um)14.13 K
BT Anomaly (3.9 um)15.66 K
Maximum Observed - Clear RTM BT (3.9 um)23.78 K
Maximum Observed BTD (3.9-10/11/12 um)22.58 K
Observed - Background BTD (3.9-10/11/12 um)13.63 K
BTD Anomaly (3.9-10/11/12 um)56.08 K
Similar Pixel Count0
BT Time Tendency (3.9 um)9.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.82
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power75.54 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 59.00°
Mean Solar Zenith Angle 57.00°
Mean Glint Angle67.30°
Water Fraction0.00
Total Pixel Area 15.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Lyon County, MN
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 22:01:20UTC
Radiative Center (Lat, Lon): 44.610001°, -95.870277°
Nearby Counties (meeting notification criteria):
  • Lyon County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power13.06 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)308.02 K
Observed - Background BT (3.9 um)2.19 K
BT Anomaly (3.9 um)3.00 K
Maximum Observed - Clear RTM BT (3.9 um)14.05 K
Maximum Observed BTD (3.9-10/11/12 um)9.55 K
Observed - Background BTD (3.9-10/11/12 um)2.50 K
BTD Anomaly (3.9-10/11/12 um)11.36 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.34
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power13.06 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.70°
Mean Solar Zenith Angle 57.10°
Mean Glint Angle64.30°
Water Fraction0.00
Total Pixel Area 7.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Fillmore County, MN
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 22:01:21UTC
Radiative Center (Lat, Lon): 43.833889°, -91.854164°
Nearby Counties (meeting notification criteria):
  • Fillmore County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power31.15 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.84 K
Observed - Background BT (3.9 um)3.54 K
BT Anomaly (3.9 um)3.78 K
Maximum Observed - Clear RTM BT (3.9 um)14.14 K
Maximum Observed BTD (3.9-10/11/12 um)10.68 K
Observed - Background BTD (3.9-10/11/12 um)3.97 K
BTD Anomaly (3.9-10/11/12 um)8.34 K
Similar Pixel Count7
BT Time Tendency (3.9 um)2.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.25
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power16.31 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.50°
Mean Solar Zenith Angle 59.70°
Mean Glint Angle65.50°
Water Fraction0.00
Total Pixel Area 13.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Shelby County, IA
NWS WFO Omaha/Valley NE
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 22:01:50UTC
Radiative Center (Lat, Lon): 41.675835°, -95.426392°
Nearby Counties (meeting notification criteria):
  • Shelby County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power32.54 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)311.49 K
Observed - Background BT (3.9 um)4.09 K
BT Anomaly (3.9 um)6.35 K
Maximum Observed - Clear RTM BT (3.9 um)16.30 K
Maximum Observed BTD (3.9-10/11/12 um)12.04 K
Observed - Background BTD (3.9-10/11/12 um)3.84 K
BTD Anomaly (3.9-10/11/12 um)8.99 K
Similar Pixel Count25
BT Time Tendency (3.9 um)2.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.67
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power18.70 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.70°
Mean Solar Zenith Angle 56.60°
Mean Glint Angle60.70°
Water Fraction0.00
Total Pixel Area 13.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) AR
Country/Countries United States
County/Locality(s) Stone County, AR
NWS WFO Little Rock AR
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 22:02:20UTC
Radiative Center (Lat, Lon): 35.802502°, -92.266113°
Nearby Counties (meeting notification criteria):
  • Stone County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power6.64 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)297.11 K
Observed - Background BT (3.9 um)2.31 K
BT Anomaly (3.9 um)4.36 K
Maximum Observed - Clear RTM BT (3.9 um)8.46 K
Maximum Observed BTD (3.9-10/11/12 um)5.97 K
Observed - Background BTD (3.9-10/11/12 um)2.36 K
BTD Anomaly (3.9-10/11/12 um)5.29 K
Similar Pixel Count6
BT Time Tendency (3.9 um)2.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.41
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power6.64 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 45.60°
Mean Solar Zenith Angle 57.80°
Mean Glint Angle55.70°
Water Fraction0.00
Total Pixel Area 5.70 km2
Latest Satellite Imagery:
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