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Wildfire Notification Report

Date: 2026-04-08
Time: 18:11:18
Production Date and Time: 2026-04-08 18:15:59 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20260981811183_e20260981813557_c20260981814044.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20260981806183_e20260981808556_c20260981809064.nc
Number Of Thermal Anomaly Notifications: 5
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Possible Wildfire

Basic Information
State/Province(s) WA
Country/Countries United States
County/Locality(s) Thurston County, WA
NWS WFO Seattle WA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-08 18:11:23UTC
Radiative Center (Lat, Lon): 46.884998°, -122.858055°
Nearby Counties (meeting notification criteria):
  • Thurston County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power14.76 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)291.13 K
Observed - Background BT (3.9 um)5.33 K
BT Anomaly (3.9 um)3.80 K
Maximum Observed - Clear RTM BT (3.9 um)6.47 K
Maximum Observed BTD (3.9-10/11/12 um)11.68 K
Observed - Background BTD (3.9-10/11/12 um)5.56 K
BTD Anomaly (3.9-10/11/12 um)4.32 K
Similar Pixel Count1
BT Time Tendency (3.9 um)5.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.28
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power14.76 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.00°
Mean Solar Zenith Angle 47.80°
Mean Glint Angle85.00°
Water Fraction0.00
Total Pixel Area 7.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Jefferson County, MT
NWS WFO Great Falls MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-08 18:11:24UTC
Radiative Center (Lat, Lon): 46.248890°, -112.430000°
Nearby Counties (meeting notification criteria):
  • Jefferson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power31.17 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)294.96 K
Observed - Background BT (3.9 um)3.51 K
BT Anomaly (3.9 um)1.94 K
Maximum Observed - Clear RTM BT (3.9 um)9.75 K
Maximum Observed BTD (3.9-10/11/12 um)9.67 K
Observed - Background BTD (3.9-10/11/12 um)3.06 K
BTD Anomaly (3.9-10/11/12 um)3.93 K
Similar Pixel Count5
BT Time Tendency (3.9 um)3.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.85
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power10.87 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.80°
Mean Solar Zenith Angle 43.10°
Mean Glint Angle83.90°
Water Fraction0.00
Total Pixel Area 23.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WY
Country/Countries United States
County/Locality(s) Washakie County, WY
NWS WFO Riverton WY
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-08 18:11:25UTC
Radiative Center (Lat, Lon): 43.930557°, -107.936668°
Nearby Counties (meeting notification criteria):
  • Washakie County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power49.82 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)309.15 K
Observed - Background BT (3.9 um)5.05 K
BT Anomaly (3.9 um)4.14 K
Maximum Observed - Clear RTM BT (3.9 um)17.23 K
Maximum Observed BTD (3.9-10/11/12 um)16.07 K
Observed - Background BTD (3.9-10/11/12 um)5.40 K
BTD Anomaly (3.9-10/11/12 um)9.97 K
Similar Pixel Count16
BT Time Tendency (3.9 um)6.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.32
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power28.47 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.70°
Mean Solar Zenith Angle 39.50°
Mean Glint Angle80.90°
Water Fraction0.00
Total Pixel Area 15.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Sierra County, CA
NWS WFO Reno NV
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-08 18:11:54UTC
Radiative Center (Lat, Lon): 39.558887°, -120.046387°
Nearby Counties (meeting notification criteria):
  • Sierra County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power18.65 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)301.81 K
Observed - Background BT (3.9 um)5.99 K
BT Anomaly (3.9 um)2.14 K
Maximum Observed - Clear RTM BT (3.9 um)6.58 K
Maximum Observed BTD (3.9-10/11/12 um)13.30 K
Observed - Background BTD (3.9-10/11/12 um)5.52 K
BTD Anomaly (3.9-10/11/12 um)3.09 K
Similar Pixel Count6
BT Time Tendency (3.9 um)1.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.47
Fraction of Surrounding Red Channel Pixels that are Brighter0.92
Maximum Radiative Power18.65 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 49.30°
Mean Solar Zenith Angle 41.10°
Mean Glint Angle71.20°
Water Fraction0.00
Total Pixel Area 6.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) AZ
Country/Countries United States
County/Locality(s) Maricopa County, AZ
NWS WFO Phoenix AZ
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-08 18:12:25UTC
Radiative Center (Lat, Lon): 33.432220°, -113.215836°
Nearby Counties (meeting notification criteria):
  • Maricopa County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power30.88 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)325.62 K
Observed - Background BT (3.9 um)4.18 K
BT Anomaly (3.9 um)3.48 K
Maximum Observed - Clear RTM BT (3.9 um)7.40 K
Maximum Observed BTD (3.9-10/11/12 um)14.06 K
Observed - Background BTD (3.9-10/11/12 um)4.96 K
BTD Anomaly (3.9-10/11/12 um)11.35 K
Similar Pixel Count14
BT Time Tendency (3.9 um)3.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.21
Fraction of Surrounding Red Channel Pixels that are Brighter0.72
Maximum Radiative Power30.88 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 46.70°
Mean Solar Zenith Angle 32.90°
Mean Glint Angle59.90°
Water Fraction0.00
Total Pixel Area 5.80 km2
Latest Satellite Imagery:
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