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Wildfire Notification Report

Date: 2026-04-21
Time: 18:06:17
Production Date and Time: 2026-04-21 18:11:12 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261111806177_e20261111808550_c20261111809014.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261111801177_e20261111803550_c20261111804004.nc
Number Of Thermal Anomaly Notifications: 7
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Koochiching County, MN
NWS WFO Duluth MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:06:21UTC
Radiative Center (Lat, Lon): 48.548054°, -93.415833°
Nearby Counties (meeting notification criteria):
  • Koochiching County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power11.14 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)298.82 K
Observed - Background BT (3.9 um)3.77 K
BT Anomaly (3.9 um)2.59 K
Maximum Observed - Clear RTM BT (3.9 um)12.39 K
Maximum Observed BTD (3.9-10/11/12 um)9.52 K
Observed - Background BTD (3.9-10/11/12 um)2.87 K
BTD Anomaly (3.9-10/11/12 um)4.99 K
Similar Pixel Count23
BT Time Tendency (3.9 um)1.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.71
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power11.14 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.80°
Mean Solar Zenith Angle 37.00°
Mean Glint Angle93.80°
Water Fraction0.00
Total Pixel Area 7.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Big Horn County, MT
NWS WFO Billings MT
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 18:06:19UTC
Radiative Center (Lat, Lon): 45.367779°, -107.750000°
Nearby Counties (meeting notification criteria):
  • Big Horn County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power46.68 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)312.94 K
Observed - Background BT (3.9 um)7.52 K
BT Anomaly (3.9 um)6.27 K
Maximum Observed - Clear RTM BT (3.9 um)13.91 K
Maximum Observed BTD (3.9-10/11/12 um)19.64 K
Observed - Background BTD (3.9-10/11/12 um)7.64 K
BTD Anomaly (3.9-10/11/12 um)5.61 K
Similar Pixel Count0
BT Time Tendency (3.9 um)6.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.60
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power46.68 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 61.70°
Mean Solar Zenith Angle 36.40°
Mean Glint Angle97.10°
Water Fraction0.00
Total Pixel Area 8.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Faribault County, MN
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:06:21UTC
Radiative Center (Lat, Lon): 43.658333°, -94.159164°
Nearby Counties (meeting notification criteria):
  • Faribault County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power43.49 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)320.73 K
Observed - Background BT (3.9 um)1.91 K
BT Anomaly (3.9 um)1.92 K
Maximum Observed - Clear RTM BT (3.9 um)21.13 K
Maximum Observed BTD (3.9-10/11/12 um)13.84 K
Observed - Background BTD (3.9-10/11/12 um)2.10 K
BTD Anomaly (3.9-10/11/12 um)5.27 K
Similar Pixel Count25
BT Time Tendency (3.9 um)2.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.44
Fraction of Surrounding Red Channel Pixels that are Brighter0.94
Maximum Radiative Power15.41 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.10°
Mean Solar Zenith Angle 32.20°
Mean Glint Angle84.40°
Water Fraction0.00
Total Pixel Area 20.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Dane County, WI
NWS WFO Milwaukee/Sullivan WI
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 18:06:21UTC
Radiative Center (Lat, Lon): 43.048054°, -89.739441°
Nearby Counties (meeting notification criteria):
  • Dane County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power37.45 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)312.29 K
Observed - Background BT (3.9 um)8.13 K
BT Anomaly (3.9 um)9.76 K
Maximum Observed - Clear RTM BT (3.9 um)21.53 K
Maximum Observed BTD (3.9-10/11/12 um)17.80 K
Observed - Background BTD (3.9-10/11/12 um)7.66 K
BTD Anomaly (3.9-10/11/12 um)13.09 K
Similar Pixel Count0
BT Time Tendency (3.9 um)6.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.81
Fraction of Surrounding Red Channel Pixels that are Brighter0.92
Maximum Radiative Power37.45 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.10°
Mean Solar Zenith Angle 31.60°
Mean Glint Angle81.40°
Water Fraction0.00
Total Pixel Area 6.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IN
Country/Countries United States
County/Locality(s) Vermillion County, IN
NWS WFO Indianapolis IN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:06:51UTC
Radiative Center (Lat, Lon): 40.009724°, -87.471947°
Nearby Counties (meeting notification criteria):
  • Vermillion County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power5.84 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)305.77 K
Observed - Background BT (3.9 um)2.83 K
BT Anomaly (3.9 um)1.15 K
Maximum Observed - Clear RTM BT (3.9 um)14.41 K
Maximum Observed BTD (3.9-10/11/12 um)15.57 K
Observed - Background BTD (3.9-10/11/12 um)2.62 K
BTD Anomaly (3.9-10/11/12 um)1.07 K
Similar Pixel Count24
BT Time Tendency (3.9 um)0.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.56
Fraction of Surrounding Red Channel Pixels that are Brighter0.88
Maximum Radiative Power5.84 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 48.20°
Mean Solar Zenith Angle 28.70°
Mean Glint Angle74.50°
Water Fraction0.00
Total Pixel Area 6.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) KS
Country/Countries United States
County/Locality(s) Chase County, KS
NWS WFO Wichita KS
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 18:06:50UTC
Radiative Center (Lat, Lon): 38.413334°, -96.653610°
Nearby Counties (meeting notification criteria):
  • Chase County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power27.41 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)313.10 K
Observed - Background BT (3.9 um)5.92 K
BT Anomaly (3.9 um)4.77 K
Maximum Observed - Clear RTM BT (3.9 um)16.42 K
Maximum Observed BTD (3.9-10/11/12 um)16.53 K
Observed - Background BTD (3.9-10/11/12 um)5.69 K
BTD Anomaly (3.9-10/11/12 um)8.40 K
Similar Pixel Count20
BT Time Tendency (3.9 um)3.40 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 Power27.41 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 50.10°
Mean Solar Zenith Angle 27.20°
Mean Glint Angle75.70°
Water Fraction0.00
Total Pixel Area 6.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MS
Country/Countries United States
County/Locality(s) Jackson County, MS
NWS WFO New Orleans LA
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 18:07:21UTC
Radiative Center (Lat, Lon): 30.678888°, -88.851112°
Nearby Counties (meeting notification criteria):
  • Jackson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power110.03 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)309.22 K
Observed - Background BT (3.9 um)19.04 K
BT Anomaly (3.9 um)4.81 K
Maximum Observed - Clear RTM BT (3.9 um)12.10 K
Maximum Observed BTD (3.9-10/11/12 um)44.40 K
Observed - Background BTD (3.9-10/11/12 um)18.77 K
BTD Anomaly (3.9-10/11/12 um)4.50 K
Similar Pixel Count0
BT Time Tendency (3.9 um)7.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.70
Fraction of Surrounding Red Channel Pixels that are Brighter0.94
Maximum Radiative Power110.03 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 38.90°
Mean Solar Zenith Angle 19.30°
Mean Glint Angle55.70°
Water Fraction0.00
Total Pixel Area 5.10 km2
Latest Satellite Imagery:
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