Next Generation Fire System (NGFS) - Experimental ; CIMSS

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) - Temporal	NONE
Number Of Thermal Anomaly Notifications:	10

Possible Wildfire

Basic Information
State/Province(s)	British Columbia
Country/Countries	Canada
County/Locality(s)	East Kootenay, British Columbia
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-08-04 19:21:57UTC
Radiative Center (Lat, Lon):	49.715279°, -116.203613°
Nearby Counties (meeting notification criteria):	East Kootenay (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	67.05 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
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 Count	4
BT Time Tendency (3.9 um)	-999.00 K
Image Interval	-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.99
Fraction of Surrounding Red Channel Pixels that are Brighter	0.71
Maximum Radiative Power	35.64 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	60.70°
Mean Solar Zenith Angle	32.60°
Mean Glint Angle	87.20°
Water Fraction	0.00
Total Pixel Area	16.40 km²
Latest Satellite Imagery:	None Available
Show More ▲ Show Less ▼ View all event imagery »

Possible Wildfire

Basic Information
State/Province(s)	WA
Country/Countries	United States
County/Locality(s)	Okanogan County, WA
NWS WFO	Spokane WA
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-08-04 19:21:56UTC
Radiative Center (Lat, Lon):	48.889999°, -120.620552°
Nearby Counties (meeting notification criteria):	Okanogan County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	284.29 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk, Known Incident: PTARMIGAN (HIGH, tdiff=0.9588 days, Perimeter)
Event Priority Ranking	4
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 Count	0
BT Time Tendency (3.9 um)	-999.00 K
Image Interval	-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.12
Fraction of Surrounding Red Channel Pixels that are Brighter	0.00
Maximum Radiative Power	284.29 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	58.60°
Mean Solar Zenith Angle	32.60°
Mean Glint Angle	84.40°
Water Fraction	0.00
Total Pixel Area	7.70 km²
Latest Satellite Imagery:	WAw-ORw_750_m
Show More ▲ Show Less ▼ View all event imagery »

Possible Wildfire

Basic Information
State/Province(s)	WA
Country/Countries	United States
County/Locality(s)	Okanogan County, WA
NWS WFO	Spokane WA
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-08-04 19:21:56UTC
Radiative Center (Lat, Lon):	48.822777°, -119.748886°
Nearby Counties (meeting notification criteria):	Okanogan County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	3145.21 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk, Known Incident: SINLAHEKIN (HIGH, tdiff=0.66703 days, Perimeter)
Event Priority Ranking	4
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 Count	0
BT Time Tendency (3.9 um)	-999.00 K
Image Interval	-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.00
Fraction of Surrounding Red Channel Pixels that are Brighter	0.22
Maximum Radiative Power	2027.57 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	58.80°
Mean Solar Zenith Angle	32.40°
Mean Glint Angle	84.50°
Water Fraction	0.00
Total Pixel Area	30.90 km²
Latest Satellite Imagery:	WAw-ORw_750_m
Show More ▲ Show Less ▼ View all event imagery »

Possible Wildfire

Basic Information
State/Province(s)	WA
Country/Countries	United States
County/Locality(s)	Chelan County, WA
NWS WFO	Spokane WA
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-08-04 19:21:56UTC
Radiative Center (Lat, Lon):	47.906666°, -120.769447°
Nearby Counties (meeting notification criteria):	Chelan County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	1443.58 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk, Known Incident: LITTLE GIANT (HIGH, tdiff=0.85544 days, Perimeter)
Event Priority Ranking	4
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 Count	0
BT Time Tendency (3.9 um)	-999.00 K
Image Interval	-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.84
Fraction of Surrounding Red Channel Pixels that are Brighter	0.66
Maximum Radiative Power	440.16 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	57.60°
Mean Solar Zenith Angle	31.70°
Mean Glint Angle	82.50°
Water Fraction	0.00
Total Pixel Area	37.40 km²
Latest Satellite Imagery:	WAw-ORw_750_m
Show More ▲ Show Less ▼ View all event imagery »

Possible Wildfire

Basic Information
State/Province(s)	OR
Country/Countries	United States
County/Locality(s)	Hood River County, OR
NWS WFO	Portland OR
Identification Method	Enhanced Contextual (Bias)
Mean Object Date/Time	2026-08-04 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 Anomaly	n/a
Total Radiative Power	5329.80 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk, Known Incident: GRASSHOPPER (HIGH, tdiff=0.22291 days, Perimeter)
Event Priority Ranking	4
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 Count	0
BT Time Tendency (3.9 um)	-999.00 K
Image Interval	-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.35
Fraction of Surrounding Red Channel Pixels that are Brighter	0.15
Maximum Radiative Power	933.12 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	54.70°
Mean Solar Zenith Angle	29.60°
Mean Glint Angle	77.10°
Water Fraction	0.00
Total Pixel Area	83.10 km²
Latest Satellite Imagery:	WAw-ORw_750_m
Show More ▲ Show Less ▼ View all event imagery »

Possible Wildfire

Basic Information
State/Province(s)	ID
Country/Countries	United States
County/Locality(s)	Washington County, ID
NWS WFO	Boise ID
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-08-04 19:21:57UTC
Radiative Center (Lat, Lon):	44.469444°, -116.951111°
Nearby Counties (meeting notification criteria):	Washington County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	854.54 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk, Known Incident: Tartar (HIGH, tdiff=0.1983 days, Perimeter)
Event Priority Ranking	4
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 Count	0
BT Time Tendency (3.9 um)	-999.00 K
Image Interval	-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.38
Fraction of Surrounding Red Channel Pixels that are Brighter	0.38
Maximum Radiative Power	358.67 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	55.30°
Mean Solar Zenith Angle	27.60°
Mean Glint Angle	76.70°
Water Fraction	0.00
Total Pixel Area	28.10 km²
Latest Satellite Imagery:	IDn-MTw_750_m IDs-NVne-UTnw_750_m
Show More ▲ Show Less ▼ View all event imagery »

Possible Wildfire

Basic Information
State/Province(s)	ID
Country/Countries	United States
County/Locality(s)	Owyhee County, ID
NWS WFO	Boise ID
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-08-04 19:22:00UTC
Radiative Center (Lat, Lon):	42.748611°, -116.724167°
Nearby Counties (meeting notification criteria):	Owyhee County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	1154.53 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk, Known Incident: BIG GRASS (HIGH, tdiff=0.08311 days, Perimeter)
Event Priority Ranking	4
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 Count	0
BT Time Tendency (3.9 um)	-999.00 K
Image Interval	-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.24
Fraction of Surrounding Red Channel Pixels that are Brighter	0.60
Maximum Radiative Power	479.05 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	53.70°
Mean Solar Zenith Angle	25.90°
Mean Glint Angle	73.40°
Water Fraction	0.00
Total Pixel Area	20.30 km²
Latest Satellite Imagery:	IDs-NVne-UTnw_750_m
Show More ▲ Show Less ▼ View all event imagery »

Possible Wildfire

Basic Information
State/Province(s)	NV
Country/Countries	United States
County/Locality(s)	Churchill County, NV
NWS WFO	Reno NV
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-08-04 19:22:00UTC
Radiative Center (Lat, Lon):	39.596390°, -117.514168°
Nearby Counties (meeting notification criteria):	Churchill County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	287.90 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk, Known Incident: New Pass (HIGH, tdiff=0.09345 days, Perimeter)
Event Priority Ranking	4
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 Count	3
BT Time Tendency (3.9 um)	-999.00 K
Image Interval	-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.22
Fraction of Surrounding Red Channel Pixels that are Brighter	0.98
Maximum Radiative Power	163.58 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	50.30°
Mean Solar Zenith Angle	23.10°
Mean Glint Angle	66.90°
Water Fraction	0.00
Total Pixel Area	12.50 km²
Latest Satellite Imagery:	CAcentral_750_m IDs-NVne-UTnw_750_m NVs-UTsw-AZnw_750_m ORsw-CAn_750_m
Show More ▲ Show Less ▼ View all event imagery »

Possible Wildfire

Basic Information
State/Province(s)	CA
Country/Countries	United States
County/Locality(s)	Calaveras County, CA
NWS WFO	Sacramento CA
Identification Method	Enhanced Contextual (Bias)
Mean Object Date/Time	2026-08-04 19:21:59UTC
Radiative Center (Lat, Lon):	38.107498°, -120.700836°
Nearby Counties (meeting notification criteria):	Calaveras County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	5361.04 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk, Known Incident: GANN (HIGH, tdiff=0.13238 days, Point)
Event Priority Ranking	4
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 Count	0
BT Time Tendency (3.9 um)	-999.00 K
Image Interval	-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.75
Fraction of Surrounding Red Channel Pixels that are Brighter	0.55
Maximum Radiative Power	902.74 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	47.60°
Mean Solar Zenith Angle	22.80°
Mean Glint Angle	62.70°
Water Fraction	0.00
Total Pixel Area	94.80 km²
Latest Satellite Imagery:	CAcentral_750_m
Show More ▲ Show Less ▼ View all event imagery »

Possible Wildfire

Basic Information
State/Province(s)	NV
Country/Countries	United States
County/Locality(s)	Nye County, NV
NWS WFO	Las Vegas NV
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-08-04 19:22:00UTC
Radiative Center (Lat, Lon):	37.249722°, -116.023331°
Nearby Counties (meeting notification criteria):	Nye County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	231.90 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk, Known Incident: MOUSE MEADOW (HIGH, tdiff=1.73497 days, Perimeter)
Event Priority Ranking	4
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 Count	2
BT Time Tendency (3.9 um)	-999.00 K
Image Interval	-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.78
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	127.23 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	48.70°
Mean Solar Zenith Angle	20.50°
Mean Glint Angle	63.00°
Water Fraction	0.00
Total Pixel Area	12.10 km²
Latest Satellite Imagery:	CAcentral_750_m CAs_750_m NVs-UTsw-AZnw_750_m
Show More ▲ Show Less ▼ View all event imagery »

Next Generation Fire System (NGFS) - Experimental

Wildfire Notification Report

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire