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Wildfire Notification Report

Date: 2026-04-20
Time: 20:21:17
Production Date and Time: 2026-04-20 20:26:13 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261102021176_e20261102023550_c20261102024004.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261102016176_e20261102018550_c20261102019024.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) Pierce County, ND
NWS WFO Bismarck ND
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 20:21:20UTC
Radiative Center (Lat, Lon): 48.373333°, -99.780556°
Nearby Counties (meeting notification criteria):
  • Pierce County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power54.70 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.95 K
Observed - Background BT (3.9 um)4.25 K
BT Anomaly (3.9 um)2.76 K
Maximum Observed - Clear RTM BT (3.9 um)15.60 K
Maximum Observed BTD (3.9-10/11/12 um)13.46 K
Observed - Background BTD (3.9-10/11/12 um)3.73 K
BTD Anomaly (3.9-10/11/12 um)7.18 K
Similar Pixel Count23
BT Time Tendency (3.9 um)0.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.74
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power20.05 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 60.70°
Mean Solar Zenith Angle 43.00°
Mean Glint Angle80.90°
Water Fraction0.00
Total Pixel Area 32.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) SD
Country/Countries United States
County/Locality(s) Bon Homme County, SD
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-20 20:21:50UTC
Radiative Center (Lat, Lon): 42.905834°, -97.718056°
Nearby Counties (meeting notification criteria):
  • Bon Homme County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power218.85 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)323.03 K
Observed - Background BT (3.9 um)24.02 K
BT Anomaly (3.9 um)6.46 K
Maximum Observed - Clear RTM BT (3.9 um)30.27 K
Maximum Observed BTD (3.9-10/11/12 um)40.85 K
Observed - Background BTD (3.9-10/11/12 um)24.62 K
BTD Anomaly (3.9-10/11/12 um)6.95 K
Similar Pixel Count0
BT Time Tendency (3.9 um)23.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.35
Fraction of Surrounding Red Channel Pixels that are Brighter0.97
Maximum Radiative Power218.85 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.80°
Mean Solar Zenith Angle 39.90°
Mean Glint Angle71.00°
Water Fraction0.00
Total Pixel Area 13.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IN
Country/Countries United States
County/Locality(s) Elkhart County, IN
NWS WFO Northern Indiana IN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 20:21:51UTC
Radiative Center (Lat, Lon): 41.698334°, -85.889168°
Nearby Counties (meeting notification criteria):
  • Elkhart County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power4.07 MW
Map:
Additional Information
Notification Status New Feature
Type of EventLikely an Urban Source
Event Priority Ranking4
Maximum Observed BT (3.9 um)295.24 K
Observed - Background BT (3.9 um)2.73 K
BT Anomaly (3.9 um)1.82 K
Maximum Observed - Clear RTM BT (3.9 um)14.00 K
Maximum Observed BTD (3.9-10/11/12 um)10.82 K
Observed - Background BTD (3.9-10/11/12 um)2.82 K
BTD Anomaly (3.9-10/11/12 um)1.93 K
Similar Pixel Count18
BT Time Tendency (3.9 um)0.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.60
Fraction of Surrounding Red Channel Pixels that are Brighter0.92
Maximum Radiative Power4.07 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 49.60°
Mean Solar Zenith Angle 46.20°
Mean Glint Angle71.50°
Water Fraction0.00
Total Pixel Area 6.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Harrison County, IA
NWS WFO Omaha/Valley NE
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 20:21:50UTC
Radiative Center (Lat, Lon): 41.813610°, -95.953056°
Nearby Counties (meeting notification criteria):
  • Harrison County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power28.57 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)308.05 K
Observed - Background BT (3.9 um)2.97 K
BT Anomaly (3.9 um)2.00 K
Maximum Observed - Clear RTM BT (3.9 um)16.73 K
Maximum Observed BTD (3.9-10/11/12 um)11.54 K
Observed - Background BTD (3.9-10/11/12 um)3.46 K
BTD Anomaly (3.9-10/11/12 um)4.94 K
Similar Pixel Count7
BT Time Tendency (3.9 um)2.80 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 Power16.07 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.00°
Mean Solar Zenith Angle 40.10°
Mean Glint Angle69.00°
Water Fraction0.00
Total Pixel Area 13.30 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) VA
Country/Countries United States
County/Locality(s) Rockingham County, VA
NWS WFO Baltimore MD/Washington DC
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 20:21:52UTC
Radiative Center (Lat, Lon): 38.491665°, -78.998611°
Nearby Counties (meeting notification criteria):
  • Rockingham County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power17.30 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)297.78 K
Observed - Background BT (3.9 um)6.64 K
BT Anomaly (3.9 um)3.79 K
Maximum Observed - Clear RTM BT (3.9 um)19.81 K
Maximum Observed BTD (3.9-10/11/12 um)11.58 K
Observed - Background BTD (3.9-10/11/12 um)7.07 K
BTD Anomaly (3.9-10/11/12 um)6.04 K
Similar Pixel Count1
BT Time Tendency (3.9 um)3.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.64
Fraction of Surrounding Red Channel Pixels that are Brighter0.61
Maximum Radiative Power17.30 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 45.00°
Mean Solar Zenith Angle 49.60°
Mean Glint Angle71.10°
Water Fraction0.00
Total Pixel Area 5.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) KS
Country/Countries United States
County/Locality(s) Greenwood County, KS
NWS WFO Wichita KS
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 20:21:50UTC
Radiative Center (Lat, Lon): 37.914165°, -96.027222°
Nearby Counties (meeting notification criteria):
  • Greenwood County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8.48 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)303.68 K
Observed - Background BT (3.9 um)2.44 K
BT Anomaly (3.9 um)2.02 K
Maximum Observed - Clear RTM BT (3.9 um)13.44 K
Maximum Observed BTD (3.9-10/11/12 um)7.48 K
Observed - Background BTD (3.9-10/11/12 um)2.46 K
BTD Anomaly (3.9-10/11/12 um)5.45 K
Similar Pixel Count23
BT Time Tendency (3.9 um)0.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.49
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power8.48 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 49.30°
Mean Solar Zenith Angle 37.60°
Mean Glint Angle61.90°
Water Fraction0.00
Total Pixel Area 6.10 km2
Latest Satellite Imagery:
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