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Wildfire Notification Report

Date: 2026-04-21
Time: 23:21:17
Production Date and Time: 2026-04-21 23:26:02 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261112321177_e20261112323551_c20261112324017.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261112316177_e20261112318551_c20261112319013.nc
Number Of Thermal Anomaly Notifications: 11
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Roseau County, MN
NWS WFO Grand Forks ND
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:21:21UTC
Radiative Center (Lat, Lon): 48.716667°, -95.504997°
Nearby Counties (meeting notification criteria):
  • Roseau County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power18.05 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)294.41 K
Observed - Background BT (3.9 um)5.71 K
BT Anomaly (3.9 um)9.40 K
Maximum Observed - Clear RTM BT (3.9 um)10.87 K
Maximum Observed BTD (3.9-10/11/12 um)9.68 K
Observed - Background BTD (3.9-10/11/12 um)4.91 K
BTD Anomaly (3.9-10/11/12 um)17.17 K
Similar Pixel Count3
BT Time Tendency (3.9 um)3.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.90
Fraction of Surrounding Red Channel Pixels that are Brighter0.94
Maximum Radiative Power18.05 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 59.60°
Mean Solar Zenith Angle 71.60°
Mean Glint Angle61.50°
Water Fraction0.00
Total Pixel Area 7.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Pierce County, WI
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:21:21UTC
Radiative Center (Lat, Lon): 44.849445°, -92.228058°
Nearby Counties (meeting notification criteria):
  • Pierce County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power5.69 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)293.39 K
Observed - Background BT (3.9 um)2.01 K
BT Anomaly (3.9 um)3.72 K
Maximum Observed - Clear RTM BT (3.9 um)7.53 K
Maximum Observed BTD (3.9-10/11/12 um)5.24 K
Observed - Background BTD (3.9-10/11/12 um)1.97 K
BTD Anomaly (3.9-10/11/12 um)10.43 K
Similar Pixel Count3
BT Time Tendency (3.9 um)0.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.54
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power5.69 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.70°
Mean Solar Zenith Angle 73.70°
Mean Glint Angle61.50°
Water Fraction0.00
Total Pixel Area 6.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Howard County, IA
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:21:21UTC
Radiative Center (Lat, Lon): 43.497501°, -92.412224°
Nearby Counties (meeting notification criteria):
  • Howard County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power5.33 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)296.70 K
Observed - Background BT (3.9 um)1.65 K
BT Anomaly (3.9 um)3.17 K
Maximum Observed - Clear RTM BT (3.9 um)8.25 K
Maximum Observed BTD (3.9-10/11/12 um)6.82 K
Observed - Background BTD (3.9-10/11/12 um)1.79 K
BTD Anomaly (3.9-10/11/12 um)7.10 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.38
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power5.33 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.40°
Mean Solar Zenith Angle 73.60°
Mean Glint Angle60.60°
Water Fraction0.00
Total Pixel Area 6.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Bremer County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:21:51UTC
Radiative Center (Lat, Lon): 42.676945°, -92.442497°
Nearby Counties (meeting notification criteria):
  • Bremer County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power16.68 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)2.30 K
BT Anomaly (3.9 um)3.10 K
Maximum Observed - Clear RTM BT (3.9 um)8.39 K
Maximum Observed BTD (3.9-10/11/12 um)7.86 K
Observed - Background BTD (3.9-10/11/12 um)2.36 K
BTD Anomaly (3.9-10/11/12 um)3.60 K
Similar Pixel Count16
BT Time Tendency (3.9 um)0.90 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 Power9.18 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.50°
Mean Solar Zenith Angle 73.60°
Mean Glint Angle60.20°
Water Fraction0.00
Total Pixel Area 13.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Greene County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:21:50UTC
Radiative Center (Lat, Lon): 42.128056°, -94.625832°
Nearby Counties (meeting notification criteria):
  • Greene County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8.71 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)301.89 K
Observed - Background BT (3.9 um)2.08 K
BT Anomaly (3.9 um)4.53 K
Maximum Observed - Clear RTM BT (3.9 um)8.21 K
Maximum Observed BTD (3.9-10/11/12 um)7.21 K
Observed - Background BTD (3.9-10/11/12 um)2.26 K
BTD Anomaly (3.9-10/11/12 um)12.71 K
Similar Pixel Count20
BT Time Tendency (3.9 um)1.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.36
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power8.71 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.80°
Mean Solar Zenith Angle 72.00°
Mean Glint Angle57.80°
Water Fraction0.00
Total Pixel Area 6.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) NE
Country/Countries United States
County/Locality(s) Cuming County, NE
NWS WFO Omaha/Valley NE
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:21:50UTC
Radiative Center (Lat, Lon): 41.929443°, -96.643890°
Nearby Counties (meeting notification criteria):
  • Cuming County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power47.58 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)306.77 K
Observed - Background BT (3.9 um)6.01 K
BT Anomaly (3.9 um)10.65 K
Maximum Observed - Clear RTM BT (3.9 um)10.87 K
Maximum Observed BTD (3.9-10/11/12 um)12.72 K
Observed - Background BTD (3.9-10/11/12 um)6.67 K
BTD Anomaly (3.9-10/11/12 um)8.20 K
Similar Pixel Count2
BT Time Tendency (3.9 um)3.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.29
Fraction of Surrounding Red Channel Pixels that are Brighter0.99
Maximum Radiative Power27.05 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.40°
Mean Solar Zenith Angle 70.50°
Mean Glint Angle55.80°
Water Fraction0.00
Total Pixel Area 13.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Poweshiek County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:21:51UTC
Radiative Center (Lat, Lon): 41.681946°, -92.743889°
Nearby Counties (meeting notification criteria):
  • Poweshiek County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power10.94 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)299.45 K
Observed - Background BT (3.9 um)3.21 K
BT Anomaly (3.9 um)6.55 K
Maximum Observed - Clear RTM BT (3.9 um)9.13 K
Maximum Observed BTD (3.9-10/11/12 um)8.73 K
Observed - Background BTD (3.9-10/11/12 um)3.27 K
BTD Anomaly (3.9-10/11/12 um)4.99 K
Similar Pixel Count3
BT Time Tendency (3.9 um)2.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.40
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power10.94 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.60°
Mean Solar Zenith Angle 73.40°
Mean Glint Angle59.30°
Water Fraction0.00
Total Pixel Area 6.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) NE
Country/Countries United States
County/Locality(s) Johnson County, NE
NWS WFO Omaha/Valley NE
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:21:50UTC
Radiative Center (Lat, Lon): 40.510834°, -96.359169°
Nearby Counties (meeting notification criteria):
  • Johnson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power7.21 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)301.74 K
Observed - Background BT (3.9 um)2.17 K
BT Anomaly (3.9 um)3.76 K
Maximum Observed - Clear RTM BT (3.9 um)6.83 K
Maximum Observed BTD (3.9-10/11/12 um)8.66 K
Observed - Background BTD (3.9-10/11/12 um)1.75 K
BTD Anomaly (3.9-10/11/12 um)3.06 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.69
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power7.21 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.90°
Mean Solar Zenith Angle 70.60°
Mean Glint Angle55.20°
Water Fraction0.00
Total Pixel Area 6.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) OH
Country/Countries United States
County/Locality(s) Fayette County, OH
NWS WFO Wilmington OH
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:21:52UTC
Radiative Center (Lat, Lon): 39.514999°, -83.569725°
Nearby Counties (meeting notification criteria):
  • Fayette County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power7.25 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)293.60 K
Observed - Background BT (3.9 um)3.30 K
BT Anomaly (3.9 um)11.31 K
Maximum Observed - Clear RTM BT (3.9 um)8.77 K
Maximum Observed BTD (3.9-10/11/12 um)5.05 K
Observed - Background BTD (3.9-10/11/12 um)2.73 K
BTD Anomaly (3.9-10/11/12 um)4.82 K
Similar Pixel Count2
BT Time Tendency (3.9 um)-0.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.97
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power7.25 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 46.80°
Mean Solar Zenith Angle 80.50°
Mean Glint Angle68.80°
Water Fraction0.00
Total Pixel Area 5.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) GA
Country/Countries United States
County/Locality(s) Pike County, GA
NWS WFO Peachtree City GA
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 23:22:21UTC
Radiative Center (Lat, Lon): 33.001389°, -84.512779°
Nearby Counties (meeting notification criteria):
  • Pike County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power23.23 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)291.75 K
Observed - Background BT (3.9 um)8.72 K
BT Anomaly (3.9 um)7.71 K
Maximum Observed - Clear RTM BT (3.9 um)3.14 K
Maximum Observed BTD (3.9-10/11/12 um)21.96 K
Observed - Background BTD (3.9-10/11/12 um)8.72 K
BTD Anomaly (3.9-10/11/12 um)7.90 K
Similar Pixel Count0
BT Time Tendency (3.9 um)0.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.64
Fraction of Surrounding Red Channel Pixels that are Brighter0.75
Maximum Radiative Power23.23 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 39.90°
Mean Solar Zenith Angle 80.60°
Mean Glint Angle67.20°
Water Fraction0.00
Total Pixel Area 5.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Riverside County, CA
NWS WFO Phoenix AZ
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:22:18UTC
Radiative Center (Lat, Lon): 33.815556°, -115.407776°
Nearby Counties (meeting notification criteria):
  • Riverside County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power123.96 MW
Map:
Additional Information
Notification Status New Feature
Type of EventSolar panel (database + spectral)
Event Priority Ranking5
Maximum Observed BT (3.9 um)319.66 K
Observed - Background BT (3.9 um)9.64 K
BT Anomaly (3.9 um)5.77 K
Maximum Observed - Clear RTM BT (3.9 um)17.74 K
Maximum Observed BTD (3.9-10/11/12 um)16.99 K
Observed - Background BTD (3.9-10/11/12 um)9.43 K
BTD Anomaly (3.9-10/11/12 um)10.04 K
Similar Pixel Count3
BT Time Tendency (3.9 um)3.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.64
Fraction of Surrounding Red Channel Pixels that are Brighter0.26
Maximum Radiative Power61.99 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.30°
Mean Solar Zenith Angle 54.90°
Mean Glint Angle36.20°
Water Fraction0.00
Total Pixel Area 15.20 km2
Latest Satellite Imagery:
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