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Wildfire Notification Report

Date: 2026-04-21
Time: 20:21:17
Production Date and Time: 2026-04-21 20:26:09 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261112021177_e20261112023551_c20261112024035.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261112016177_e20261112018551_c20261112019028.nc
Number Of Thermal Anomaly Notifications: 6
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Possible Wildfire

Basic Information
State/Province(s) ND
Country/Countries United States
County/Locality(s) Ramsey County, ND
NWS WFO Grand Forks ND
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:21:20UTC
Radiative Center (Lat, Lon): 48.273888°, -98.645836°
Nearby Counties (meeting notification criteria):
  • Ramsey County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8.84 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)294.85 K
Observed - Background BT (3.9 um)1.90 K
BT Anomaly (3.9 um)2.08 K
Maximum Observed - Clear RTM BT (3.9 um)5.64 K
Maximum Observed BTD (3.9-10/11/12 um)11.82 K
Observed - Background BTD (3.9-10/11/12 um)3.10 K
BTD Anomaly (3.9-10/11/12 um)3.62 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.15
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power8.84 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 60.20°
Mean Solar Zenith Angle 43.10°
Mean Glint Angle80.30°
Water Fraction0.00
Total Pixel Area 8.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Lincoln County, MT
NWS WFO Missoula MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:21:19UTC
Radiative Center (Lat, Lon): 48.441387°, -115.926109°
Nearby Counties (meeting notification criteria):
  • Lincoln County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power19.82 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)298.73 K
Observed - Background BT (3.9 um)3.29 K
BT Anomaly (3.9 um)2.11 K
Maximum Observed - Clear RTM BT (3.9 um)6.56 K
Maximum Observed BTD (3.9-10/11/12 um)9.64 K
Observed - Background BTD (3.9-10/11/12 um)3.11 K
BTD Anomaly (3.9-10/11/12 um)4.84 K
Similar Pixel Count10
BT Time Tendency (3.9 um)0.80 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 Power19.82 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 68.40°
Mean Solar Zenith Angle 37.80°
Mean Glint Angle87.20°
Water Fraction0.00
Total Pixel Area 10.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Cottonwood County, MN
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:21:20UTC
Radiative Center (Lat, Lon): 44.156666°, -95.272499°
Nearby Counties (meeting notification criteria):
  • Cottonwood County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power15.99 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)316.03 K
Observed - Background BT (3.9 um)2.50 K
BT Anomaly (3.9 um)2.43 K
Maximum Observed - Clear RTM BT (3.9 um)19.59 K
Maximum Observed BTD (3.9-10/11/12 um)12.78 K
Observed - Background BTD (3.9-10/11/12 um)2.47 K
BTD Anomaly (3.9-10/11/12 um)5.96 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.00 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 Power15.99 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.00°
Mean Solar Zenith Angle 41.80°
Mean Glint Angle72.90°
Water Fraction0.00
Total Pixel Area 7.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) AZ
Country/Countries United States
County/Locality(s) Navajo County, AZ
NWS WFO Flagstaff AZ
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:22:19UTC
Radiative Center (Lat, Lon): 34.033333°, -109.871391°
Nearby Counties (meeting notification criteria):
  • Navajo County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8.73 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)303.64 K
Observed - Background BT (3.9 um)3.00 K
BT Anomaly (3.9 um)1.52 K
Maximum Observed - Clear RTM BT (3.9 um)9.15 K
Maximum Observed BTD (3.9-10/11/12 um)9.28 K
Observed - Background BTD (3.9-10/11/12 um)2.39 K
BTD Anomaly (3.9-10/11/12 um)1.86 K
Similar Pixel Count19
BT Time Tendency (3.9 um)0.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.62
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power8.73 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.40°
Mean Solar Zenith Angle 26.70°
Mean Glint Angle59.80°
Water Fraction0.00
Total Pixel Area 6.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) FL
Country/Countries United States
County/Locality(s) Leon County, FL
NWS WFO Tallahassee FL
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 20:22:21UTC
Radiative Center (Lat, Lon): 30.389723°, -84.378609°
Nearby Counties (meeting notification criteria):
  • Leon County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power55.91 MW
Map:
Additional Information
Notification Status New Feature
Type of EventSolar panel (database + spectral)
Event Priority Ranking5
Maximum Observed BT (3.9 um)318.11 K
Observed - Background BT (3.9 um)16.16 K
BT Anomaly (3.9 um)8.96 K
Maximum Observed - Clear RTM BT (3.9 um)22.00 K
Maximum Observed BTD (3.9-10/11/12 um)23.31 K
Observed - Background BTD (3.9-10/11/12 um)16.55 K
BTD Anomaly (3.9-10/11/12 um)11.46 K
Similar Pixel Count0
BT Time Tendency (3.9 um)6.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.75
Fraction of Surrounding Red Channel Pixels that are Brighter0.00
Maximum Radiative Power55.91 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 37.00°
Mean Solar Zenith Angle 42.60°
Mean Glint Angle53.70°
Water Fraction0.00
Total Pixel Area 5.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) Unknown
Country/Countries Cuba
County/Locality(s) Unknown, Unknown
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:23:22UTC
Radiative Center (Lat, Lon): 21.752222°, -78.729446°
Nearby Counties (meeting notification criteria):
  • Unknown (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power12.76 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)307.03 K
Observed - Background BT (3.9 um)4.27 K
BT Anomaly (3.9 um)2.41 K
Maximum Observed - Clear RTM BT (3.9 um)5.31 K
Maximum Observed BTD (3.9-10/11/12 um)17.93 K
Observed - Background BTD (3.9-10/11/12 um)4.52 K
BTD Anomaly (3.9-10/11/12 um)2.57 K
Similar Pixel Count25
BT Time Tendency (3.9 um)4.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.56
Fraction of Surrounding Red Channel Pixels that are Brighter0.84
Maximum Radiative Power12.76 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 25.90°
Mean Solar Zenith Angle 45.90°
Mean Glint Angle49.40°
Water Fraction0.00
Total Pixel Area 4.40 km2
Latest Satellite Imagery:
  • None Available
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