August 2026: The UW campus has an ongoing chilled water disruption that will limit SSEC datacenter cooling and could lead to data outages with no warning. Please consider accessing NGFS detections and satellite imagery through the NOAA/NESDIS Wildland Fire Data Portal: https://fire.data.nesdis.noaa.gov/map/

Wildfire Notification Report

Date: 2026-08-08
Time: 18:00:28
Production Date and Time: 2026-08-08 18:01:15 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadM1-M6C14_G18_s20262201800286_e20262201800345_c20262201800393.nc
L1 File(s) - TemporalNONE
Number Of Thermal Anomaly Notifications: 7
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Possible Wildfire

Basic Information
State/Province(s) WA
Country/Countries United States
County/Locality(s) Okanogan County, WA
NWS WFO Spokane WA
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-08-08 18:00:29UTC
Radiative Center (Lat, Lon): 48.891109°, -120.589165°
Nearby Counties (meeting notification criteria):
  • Okanogan County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power249.57 MW
Map:
Additional Information
Notification Status New Feature
Type of EventRed Flag Warning (NWS), Known Incident: PTARMIGAN (HIGH, tdiff=0.22929 days, Perimeter)
Event Priority Ranking1
Maximum Observed BT (3.9 um)323.14 K
Observed - Background BT (3.9 um)27.29 K
BT Anomaly (3.9 um)12.70 K
Maximum Observed - Clear RTM BT (3.9 um)31.90 K
Maximum Observed BTD (3.9-10/11/12 um)38.79 K
Observed - Background BTD (3.9-10/11/12 um)27.42 K
BTD Anomaly (3.9-10/11/12 um)14.76 K
Similar Pixel Count0
BT Time Tendency (3.9 um)-999.00 K
Image Interval-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.78
Fraction of Surrounding Red Channel Pixels that are Brighter0.53
Maximum Radiative Power163.25 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.70°
Mean Solar Zenith Angle 41.40°
Mean Glint Angle77.90°
Water Fraction0.00
Total Pixel Area 15.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WA
Country/Countries United States
County/Locality(s) Okanogan County, WA
NWS WFO Spokane WA
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-08-08 18:00:30UTC
Radiative Center (Lat, Lon): 48.672501°, -119.902779°
Nearby Counties (meeting notification criteria):
  • Okanogan County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power613.97 MW
Map:
Additional Information
Notification Status New Feature
Type of EventElevated Fire Risk (NWS/SPC) and Red Flag Warning (NWS), Known Incident: SINLAHEKIN (HIGH, tdiff=0.7
Event Priority Ranking1
Maximum Observed BT (3.9 um)318.34 K
Observed - Background BT (3.9 um)25.54 K
BT Anomaly (3.9 um)13.30 K
Maximum Observed - Clear RTM BT (3.9 um)25.38 K
Maximum Observed BTD (3.9-10/11/12 um)43.18 K
Observed - Background BTD (3.9-10/11/12 um)25.43 K
BTD Anomaly (3.9-10/11/12 um)16.57 K
Similar Pixel Count0
BT Time Tendency (3.9 um)-999.00 K
Image Interval-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.88
Fraction of Surrounding Red Channel Pixels that are Brighter0.99
Maximum Radiative Power225.17 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.60°
Mean Solar Zenith Angle 40.90°
Mean Glint Angle77.50°
Water Fraction0.00
Total Pixel Area 23.00 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/Time2026-08-08 18:00:29UTC
Radiative Center (Lat, Lon): 47.940834°, -120.577225°
Nearby Counties (meeting notification criteria):
  • Chelan County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power3417.66 MW
Map:
Additional Information
Notification Status New Feature
Type of EventElevated Fire Risk (NWS/SPC) and Red Flag Warning (NWS), Known Incident: LITTLE GIANT (HIGH, tdiff=0
Event Priority Ranking1
Maximum Observed BT (3.9 um)350.33 K
Observed - Background BT (3.9 um)53.30 K
BT Anomaly (3.9 um)9.13 K
Maximum Observed - Clear RTM BT (3.9 um)57.88 K
Maximum Observed BTD (3.9-10/11/12 um)67.78 K
Observed - Background BTD (3.9-10/11/12 um)54.08 K
BTD Anomaly (3.9-10/11/12 um)8.92 K
Similar Pixel Count0
BT Time Tendency (3.9 um)-999.00 K
Image Interval-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.50
Fraction of Surrounding Red Channel Pixels that are Brighter0.50
Maximum Radiative Power546.56 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 57.70°
Mean Solar Zenith Angle 40.80°
Mean Glint Angle76.30°
Water Fraction0.00
Total Pixel Area 82.30 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) OR
Country/Countries United States
County/Locality(s) Umatilla County, OR
NWS WFO Pendleton OR
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-08-08 18:00:33UTC
Radiative Center (Lat, Lon): 45.681389°, -118.159447°
Nearby Counties (meeting notification criteria):
  • Umatilla County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power190.38 MW
Map:
Additional Information
Notification Status New Feature
Type of EventElevated Fire Risk (NWS/SPC), Known Incident: Hagen (HIGH, tdiff=0.25464 days, Perimeter)
Event Priority Ranking3
Maximum Observed BT (3.9 um)307.65 K
Observed - Background BT (3.9 um)0.88 K
BT Anomaly (3.9 um)0.36 K
Maximum Observed - Clear RTM BT (3.9 um)3.46 K
Maximum Observed BTD (3.9-10/11/12 um)7.59 K
Observed - Background BTD (3.9-10/11/12 um)0.53 K
BTD Anomaly (3.9-10/11/12 um)0.39 K
Similar Pixel Count0
BT Time Tendency (3.9 um)-999.00 K
Image Interval-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.76
Fraction of Surrounding Red Channel Pixels that are Brighter0.70
Maximum Radiative Power116.72 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.10°
Mean Solar Zenith Angle 38.00°
Mean Glint Angle71.90°
Water Fraction0.00
Total Pixel Area 78.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) OR
Country/Countries United States
County/Locality(s) Crook County, OR
NWS WFO Pendleton OR
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-08-08 18:00:33UTC
Radiative Center (Lat, Lon): 44.497501°, -120.549446°
Nearby Counties (meeting notification criteria):
  • Crook County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power831.32 MW
Map:
Additional Information
Notification Status New Feature
Type of EventElevated Fire Risk (NWS/SPC), Known Incident: 0445 CROSSWHITE (HIGH, tdiff=0.23965 days, Perimeter)
Event Priority Ranking3
Maximum Observed BT (3.9 um)313.05 K
Observed - Background BT (3.9 um)3.48 K
BT Anomaly (3.9 um)1.88 K
Maximum Observed - Clear RTM BT (3.9 um)11.81 K
Maximum Observed BTD (3.9-10/11/12 um)11.43 K
Observed - Background BTD (3.9-10/11/12 um)3.65 K
BTD Anomaly (3.9-10/11/12 um)3.28 K
Similar Pixel Count0
BT Time Tendency (3.9 um)-999.00 K
Image Interval-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.62
Fraction of Surrounding Red Channel Pixels that are Brighter0.80
Maximum Radiative Power212.86 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.10°
Mean Solar Zenith Angle 38.60°
Mean Glint Angle69.80°
Water Fraction0.00
Total Pixel Area 177.30 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) ID
Country/Countries United States
County/Locality(s) Owyhee County, ID
NWS WFO Boise ID
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-08-08 18:00:34UTC
Radiative Center (Lat, Lon): 42.588333°, -116.392776°
Nearby Counties (meeting notification criteria):
  • Owyhee County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power23.77 MW
Map:
Additional Information
Notification Status New Feature
Type of EventElevated Fire Risk (NWS/SPC)
Event Priority Ranking3
Maximum Observed BT (3.9 um)314.90 K
Observed - Background BT (3.9 um)0.25 K
BT Anomaly (3.9 um)0.17 K
Maximum Observed - Clear RTM BT (3.9 um)1.25 K
Maximum Observed BTD (3.9-10/11/12 um)17.87 K
Observed - Background BTD (3.9-10/11/12 um)0.86 K
BTD Anomaly (3.9-10/11/12 um)0.46 K
Similar Pixel Count0
BT Time Tendency (3.9 um)-999.00 K
Image Interval-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.14
Fraction of Surrounding Red Channel Pixels that are Brighter0.73
Maximum Radiative Power14.02 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.70°
Mean Solar Zenith Angle 35.10°
Mean Glint Angle66.20°
Water Fraction0.00
Total Pixel Area 20.30 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) ID
Country/Countries United States
County/Locality(s) Owyhee County, ID
NWS WFO Boise ID
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-08-08 18:00:34UTC
Radiative Center (Lat, Lon): 42.354721°, -116.483887°
Nearby Counties (meeting notification criteria):
  • Owyhee County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power210.47 MW
Map:
Additional Information
Notification Status New Feature
Type of EventElevated Fire Risk (NWS/SPC)
Event Priority Ranking3
Maximum Observed BT (3.9 um)317.99 K
Observed - Background BT (3.9 um)1.46 K
BT Anomaly (3.9 um)1.13 K
Maximum Observed - Clear RTM BT (3.9 um)4.95 K
Maximum Observed BTD (3.9-10/11/12 um)15.45 K
Observed - Background BTD (3.9-10/11/12 um)1.33 K
BTD Anomaly (3.9-10/11/12 um)1.18 K
Similar Pixel Count0
BT Time Tendency (3.9 um)-999.00 K
Image Interval-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.88
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power91.90 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.40°
Mean Solar Zenith Angle 35.00°
Mean Glint Angle65.80°
Water Fraction0.00
Total Pixel Area 80.60 km2
Latest Satellite Imagery:
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