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Wildfire Notification Report

Date: 2026-04-22
Time: 20:41:17
Production Date and Time: 2026-04-22 20:46:23 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261122041178_e20261122043552_c20261122044022.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261122036178_e20261122038552_c20261122039019.nc
Number Of Thermal Anomaly Notifications: 4
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Possible Wildfire

Basic Information
State/Province(s) ND
Country/Countries United States
County/Locality(s) Benson County, ND
NWS WFO Grand Forks ND
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-22 20:41:20UTC
Radiative Center (Lat, Lon): 47.994720°, -99.041115°
Nearby Counties (meeting notification criteria):
  • Benson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power46.09 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)290.28 K
Observed - Background BT (3.9 um)6.62 K
BT Anomaly (3.9 um)4.16 K
Maximum Observed - Clear RTM BT (3.9 um)-2.72 K
Maximum Observed BTD (3.9-10/11/12 um)31.88 K
Observed - Background BTD (3.9-10/11/12 um)6.31 K
BTD Anomaly (3.9-10/11/12 um)4.24 K
Similar Pixel Count0
BT Time Tendency (3.9 um)6.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.88
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power46.09 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 60.10°
Mean Solar Zenith Angle 44.70°
Mean Glint Angle77.10°
Water Fraction0.00
Total Pixel Area 8.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Winnebago County, WI
NWS WFO Green Bay WI
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-22 20:41:21UTC
Radiative Center (Lat, Lon): 44.142502°, -88.561111°
Nearby Counties (meeting notification criteria):
  • Winnebago County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power39.26 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)305.30 K
Observed - Background BT (3.9 um)10.14 K
BT Anomaly (3.9 um)5.53 K
Maximum Observed - Clear RTM BT (3.9 um)18.22 K
Maximum Observed BTD (3.9-10/11/12 um)21.01 K
Observed - Background BTD (3.9-10/11/12 um)9.86 K
BTD Anomaly (3.9-10/11/12 um)7.06 K
Similar Pixel Count0
BT Time Tendency (3.9 um)8.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.58
Fraction of Surrounding Red Channel Pixels that are Brighter0.75
Maximum Radiative Power39.26 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.90°
Mean Solar Zenith Angle 48.40°
Mean Glint Angle72.50°
Water Fraction0.00
Total Pixel Area 6.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Buffalo County, WI
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-22 20:41:21UTC
Radiative Center (Lat, Lon): 44.222500°, -91.786667°
Nearby Counties (meeting notification criteria):
  • Buffalo County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power10.86 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.04 K
Observed - Background BT (3.9 um)2.04 K
BT Anomaly (3.9 um)1.96 K
Maximum Observed - Clear RTM BT (3.9 um)11.66 K
Maximum Observed BTD (3.9-10/11/12 um)10.97 K
Observed - Background BTD (3.9-10/11/12 um)1.78 K
BTD Anomaly (3.9-10/11/12 um)2.00 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.71
Fraction of Surrounding Red Channel Pixels that are Brighter0.99
Maximum Radiative Power10.86 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.90°
Mean Solar Zenith Angle 46.40°
Mean Glint Angle71.50°
Water Fraction0.00
Total Pixel Area 6.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Clayton County, IA
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-22 20:41:51UTC
Radiative Center (Lat, Lon): 42.760555°, -91.563889°
Nearby Counties (meeting notification criteria):
  • Clayton County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power22.06 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)307.45 K
Observed - Background BT (3.9 um)4.63 K
BT Anomaly (3.9 um)2.57 K
Maximum Observed - Clear RTM BT (3.9 um)14.76 K
Maximum Observed BTD (3.9-10/11/12 um)13.90 K
Observed - Background BTD (3.9-10/11/12 um)4.18 K
BTD Anomaly (3.9-10/11/12 um)3.56 K
Similar Pixel Count16
BT Time Tendency (3.9 um)4.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.92
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power22.06 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.30°
Mean Solar Zenith Angle 45.80°
Mean Glint Angle69.10°
Water Fraction0.00
Total Pixel Area 6.50 km2
Latest Satellite Imagery:
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