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: 2026-08-04
Time: 19:21:55
Production Date and Time: 2026-08-04 19:22:35 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadM2-M6C14_G18_s20262161921550_e20262161922008_c20262161922056.nc
L1 File(s) - TemporalNONE
Number Of Thermal Anomaly Notifications: 10
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Possible Wildfire

Basic Information
State/Province(s) British Columbia
Country/Countries Canada
County/Locality(s) East Kootenay, British Columbia
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-08-04 19:21:57UTC
Radiative Center (Lat, Lon): 49.715279°, -116.203613°
Nearby Counties (meeting notification criteria):
  • East Kootenay (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power67.05 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)307.69 K
Observed - Background BT (3.9 um)8.43 K
BT Anomaly (3.9 um)3.95 K
Maximum Observed - Clear RTM BT (3.9 um)16.82 K
Maximum Observed BTD (3.9-10/11/12 um)15.41 K
Observed - Background BTD (3.9-10/11/12 um)7.04 K
BTD Anomaly (3.9-10/11/12 um)5.90 K
Similar Pixel Count4
BT Time Tendency (3.9 um)-999.00 K
Image Interval-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.99
Fraction of Surrounding Red Channel Pixels that are Brighter0.71
Maximum Radiative Power35.64 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 60.70°
Mean Solar Zenith Angle 32.60°
Mean Glint Angle87.20°
Water Fraction0.00
Total Pixel Area 16.40 km2
Latest Satellite Imagery:
  • None Available
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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/Time2026-08-04 19:21:56UTC
Radiative Center (Lat, Lon): 48.889999°, -120.620552°
Nearby Counties (meeting notification criteria):
  • Okanogan County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power284.29 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk, Known Incident: PTARMIGAN (HIGH, tdiff=0.9588 days, Perimeter)
Event Priority Ranking4
Maximum Observed BT (3.9 um)334.75 K
Observed - Background BT (3.9 um)38.22 K
BT Anomaly (3.9 um)23.88 K
Maximum Observed - Clear RTM BT (3.9 um)39.12 K
Maximum Observed BTD (3.9-10/11/12 um)43.97 K
Observed - Background BTD (3.9-10/11/12 um)38.83 K
BTD Anomaly (3.9-10/11/12 um)49.73 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 Colder0.12
Fraction of Surrounding Red Channel Pixels that are Brighter0.00
Maximum Radiative Power284.29 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.60°
Mean Solar Zenith Angle 32.60°
Mean Glint Angle84.40°
Water Fraction0.00
Total Pixel Area 7.70 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/Time2026-08-04 19:21:56UTC
Radiative Center (Lat, Lon): 48.822777°, -119.748886°
Nearby Counties (meeting notification criteria):
  • Okanogan County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power3145.21 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk, Known Incident: SINLAHEKIN (HIGH, tdiff=0.66703 days, Perimeter)
Event Priority Ranking4
Maximum Observed BT (3.9 um)343.03 K
Observed - Background BT (3.9 um)44.02 K
BT Anomaly (3.9 um)7.82 K
Maximum Observed - Clear RTM BT (3.9 um)45.84 K
Maximum Observed BTD (3.9-10/11/12 um)58.98 K
Observed - Background BTD (3.9-10/11/12 um)47.10 K
BTD Anomaly (3.9-10/11/12 um)7.70 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 Colder0.00
Fraction of Surrounding Red Channel Pixels that are Brighter0.22
Maximum Radiative Power2027.57 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.80°
Mean Solar Zenith Angle 32.40°
Mean Glint Angle84.50°
Water Fraction0.00
Total Pixel Area 30.90 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/Time2026-08-04 19:21:56UTC
Radiative Center (Lat, Lon): 47.906666°, -120.769447°
Nearby Counties (meeting notification criteria):
  • Chelan County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power1443.58 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk, Known Incident: LITTLE GIANT (HIGH, tdiff=0.85544 days, Perimeter)
Event Priority Ranking4
Maximum Observed BT (3.9 um)346.67 K
Observed - Background BT (3.9 um)48.48 K
BT Anomaly (3.9 um)11.73 K
Maximum Observed - Clear RTM BT (3.9 um)49.42 K
Maximum Observed BTD (3.9-10/11/12 um)53.57 K
Observed - Background BTD (3.9-10/11/12 um)46.95 K
BTD Anomaly (3.9-10/11/12 um)11.29 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 Colder0.84
Fraction of Surrounding Red Channel Pixels that are Brighter0.66
Maximum Radiative Power440.16 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 57.60°
Mean Solar Zenith Angle 31.70°
Mean Glint Angle82.50°
Water Fraction0.00
Total Pixel Area 37.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) OR
Country/Countries United States
County/Locality(s) Hood River County, OR
NWS WFO Portland OR
Identification MethodEnhanced Contextual (Bias)
Mean Object Date/Time2026-08-04 19:21:56UTC
Radiative Center (Lat, Lon): 45.357498°, -121.547501°
Nearby Counties (meeting notification criteria):
  • Hood River County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power5329.80 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk, Known Incident: GRASSHOPPER (HIGH, tdiff=0.22291 days, Perimeter)
Event Priority Ranking4
Maximum Observed BT (3.9 um)373.91 K
Observed - Background BT (3.9 um)77.47 K
BT Anomaly (3.9 um)24.72 K
Maximum Observed - Clear RTM BT (3.9 um)81.99 K
Maximum Observed BTD (3.9-10/11/12 um)83.72 K
Observed - Background BTD (3.9-10/11/12 um)77.87 K
BTD Anomaly (3.9-10/11/12 um)30.40 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 Colder0.35
Fraction of Surrounding Red Channel Pixels that are Brighter0.15
Maximum Radiative Power933.12 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.70°
Mean Solar Zenith Angle 29.60°
Mean Glint Angle77.10°
Water Fraction0.00
Total Pixel Area 83.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) ID
Country/Countries United States
County/Locality(s) Washington County, ID
NWS WFO Boise ID
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-08-04 19:21:57UTC
Radiative Center (Lat, Lon): 44.469444°, -116.951111°
Nearby Counties (meeting notification criteria):
  • Washington County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power854.54 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk, Known Incident: Tartar (HIGH, tdiff=0.1983 days, Perimeter)
Event Priority Ranking4
Maximum Observed BT (3.9 um)349.29 K
Observed - Background BT (3.9 um)34.03 K
BT Anomaly (3.9 um)21.96 K
Maximum Observed - Clear RTM BT (3.9 um)42.83 K
Maximum Observed BTD (3.9-10/11/12 um)42.86 K
Observed - Background BTD (3.9-10/11/12 um)34.29 K
BTD Anomaly (3.9-10/11/12 um)65.75 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 Colder0.38
Fraction of Surrounding Red Channel Pixels that are Brighter0.38
Maximum Radiative Power358.67 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.30°
Mean Solar Zenith Angle 27.60°
Mean Glint Angle76.70°
Water Fraction0.00
Total Pixel Area 28.10 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/Time2026-08-04 19:22:00UTC
Radiative Center (Lat, Lon): 42.748611°, -116.724167°
Nearby Counties (meeting notification criteria):
  • Owyhee County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power1154.53 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk, Known Incident: BIG GRASS (HIGH, tdiff=0.08311 days, Perimeter)
Event Priority Ranking4
Maximum Observed BT (3.9 um)358.04 K
Observed - Background BT (3.9 um)43.67 K
BT Anomaly (3.9 um)14.77 K
Maximum Observed - Clear RTM BT (3.9 um)53.28 K
Maximum Observed BTD (3.9-10/11/12 um)52.83 K
Observed - Background BTD (3.9-10/11/12 um)44.72 K
BTD Anomaly (3.9-10/11/12 um)53.92 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 Colder0.24
Fraction of Surrounding Red Channel Pixels that are Brighter0.60
Maximum Radiative Power479.05 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.70°
Mean Solar Zenith Angle 25.90°
Mean Glint Angle73.40°
Water Fraction0.00
Total Pixel Area 20.30 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) NV
Country/Countries United States
County/Locality(s) Churchill County, NV
NWS WFO Reno NV
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-08-04 19:22:00UTC
Radiative Center (Lat, Lon): 39.596390°, -117.514168°
Nearby Counties (meeting notification criteria):
  • Churchill County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power287.90 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk, Known Incident: New Pass (HIGH, tdiff=0.09345 days, Perimeter)
Event Priority Ranking4
Maximum Observed BT (3.9 um)341.53 K
Observed - Background BT (3.9 um)18.04 K
BT Anomaly (3.9 um)12.03 K
Maximum Observed - Clear RTM BT (3.9 um)27.20 K
Maximum Observed BTD (3.9-10/11/12 um)27.98 K
Observed - Background BTD (3.9-10/11/12 um)18.72 K
BTD Anomaly (3.9-10/11/12 um)29.28 K
Similar Pixel Count3
BT Time Tendency (3.9 um)-999.00 K
Image Interval-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.22
Fraction of Surrounding Red Channel Pixels that are Brighter0.98
Maximum Radiative Power163.58 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 50.30°
Mean Solar Zenith Angle 23.10°
Mean Glint Angle66.90°
Water Fraction0.00
Total Pixel Area 12.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Calaveras County, CA
NWS WFO Sacramento CA
Identification MethodEnhanced Contextual (Bias)
Mean Object Date/Time2026-08-04 19:21:59UTC
Radiative Center (Lat, Lon): 38.107498°, -120.700836°
Nearby Counties (meeting notification criteria):
  • Calaveras County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power5361.04 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk, Known Incident: GANN (HIGH, tdiff=0.13238 days, Point)
Event Priority Ranking4
Maximum Observed BT (3.9 um)381.78 K
Observed - Background BT (3.9 um)61.56 K
BT Anomaly (3.9 um)21.62 K
Maximum Observed - Clear RTM BT (3.9 um)73.51 K
Maximum Observed BTD (3.9-10/11/12 um)69.22 K
Observed - Background BTD (3.9-10/11/12 um)60.33 K
BTD Anomaly (3.9-10/11/12 um)46.93 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 Colder0.75
Fraction of Surrounding Red Channel Pixels that are Brighter0.55
Maximum Radiative Power902.74 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 47.60°
Mean Solar Zenith Angle 22.80°
Mean Glint Angle62.70°
Water Fraction0.00
Total Pixel Area 94.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) NV
Country/Countries United States
County/Locality(s) Nye County, NV
NWS WFO Las Vegas NV
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-08-04 19:22:00UTC
Radiative Center (Lat, Lon): 37.249722°, -116.023331°
Nearby Counties (meeting notification criteria):
  • Nye County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power231.90 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk, Known Incident: MOUSE MEADOW (HIGH, tdiff=1.73497 days, Perimeter)
Event Priority Ranking4
Maximum Observed BT (3.9 um)340.56 K
Observed - Background BT (3.9 um)12.25 K
BT Anomaly (3.9 um)12.57 K
Maximum Observed - Clear RTM BT (3.9 um)21.95 K
Maximum Observed BTD (3.9-10/11/12 um)20.77 K
Observed - Background BTD (3.9-10/11/12 um)11.61 K
BTD Anomaly (3.9-10/11/12 um)29.04 K
Similar Pixel Count2
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 Brighter1.00
Maximum Radiative Power127.23 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 48.70°
Mean Solar Zenith Angle 20.50°
Mean Glint Angle63.00°
Water Fraction0.00
Total Pixel Area 12.10 km2
Latest Satellite Imagery:
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