Wildfire Alert Report

Date: 2025-09-10
Time: 02:01:18
Production Date and Time: 2025-09-10 02:06:10 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20252530201182_e20252530203556_c20252530204053.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20252530156182_e20252530158556_c20252530159046.nc
Number Of Thermal Anomaly Alerts: 2
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Possible Wildfire

Basic Information
State/Province(s) WA
Country/Countries United States
County/Locality(s) Stevens County, WA
NWS WFO Spokane WA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-09-10 02:01:24UTC
Radiative Center (Lat, Lon): 48.480000°, -117.524719°
Nearby Counties (meeting alert criteria):
  • Stevens County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power115.45 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk, Known Incident: TACOMA CREEK (HIGH, tdiff=0.57693 days, Perimeter)
Event Priority Ranking4
Maximum Observed BT (3.9 um)297.31 K
Observed - Background BT (3.9 um)8.21 K
BT Anomaly (3.9 um)8.54 K
Maximum Observed - Clear RTM BT (3.9 um)7.40 K
Maximum Observed BTD (3.9-10/11/12 um)13.36 K
Observed - Background BTD (3.9-10/11/12 um)9.72 K
BTD Anomaly (3.9-10/11/12 um)25.15 K
Similar Pixel Count4
BT Time Tendency (3.9 um)7.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.04
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power34.69 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 59.10°
Mean Solar Zenith Angle 88.40°
Mean Glint Angle105.50°
Water Fraction0.00
Total Pixel Area 31.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WA
Country/Countries United States
County/Locality(s) Chelan County, WA
NWS WFO Spokane WA
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-09-10 02:01:24UTC
Radiative Center (Lat, Lon): 47.744446°, -120.498055°
Nearby Counties (meeting alert criteria):
  • Chelan County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power64.07 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk, Known Incident: LOWER SUGARLOAF (HIGH, tdiff=0.0244 days, Perimeter)
Event Priority Ranking4
Maximum Observed BT (3.9 um)296.20 K
Observed - Background BT (3.9 um)8.62 K
BT Anomaly (3.9 um)7.63 K
Maximum Observed - Clear RTM BT (3.9 um)10.17 K
Maximum Observed BTD (3.9-10/11/12 um)15.56 K
Observed - Background BTD (3.9-10/11/12 um)10.00 K
BTD Anomaly (3.9-10/11/12 um)10.10 K
Similar Pixel Count0
BT Time Tendency (3.9 um)2.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.58
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power34.01 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 57.50°
Mean Solar Zenith Angle 86.50°
Mean Glint Angle103.00°
Water Fraction0.00
Total Pixel Area 14.90 km2
Latest Satellite Imagery:
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