Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2026-08-23
Time:	18:46:17
Production Date and Time:	2026-08-23 18:51:23 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20262351846176_e20262351848549_c20262351849018.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20262351841176_e20262351843549_c20262351844012.nc
Number Of Thermal Anomaly Notifications:	7

Possible Wildfire

Basic Information
State/Province(s)	MT
Country/Countries	United States
County/Locality(s)	Cascade County, MT
NWS WFO	Great Falls MT
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-08-23 18:46:19UTC
Radiative Center (Lat, Lon):	47.562500°, -111.464996°
Nearby Counties (meeting notification criteria):	Cascade County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	169.02 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Elevated Fire Risk (NWS/SPC)
Event Priority Ranking	3
Maximum Observed BT (3.9 um)	320.43 K
Observed - Background BT (3.9 um)	9.26 K
BT Anomaly (3.9 um)	6.31 K
Maximum Observed - Clear RTM BT (3.9 um)	16.65 K
Maximum Observed BTD (3.9-10/11/12 um)	25.01 K
Observed - Background BTD (3.9-10/11/12 um)	8.38 K
BTD Anomaly (3.9-10/11/12 um)	5.68 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	5.40 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.87
Fraction of Surrounding Red Channel Pixels that are Brighter	0.94
Maximum Radiative Power	86.18 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	65.30°
Mean Solar Zenith Angle	36.70°
Mean Glint Angle	98.50°
Water Fraction	0.00
Total Pixel Area	19.20 km²
Latest Satellite Imagery:	IDn-MTw_750_m MTe_750_m
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Possible Wildfire

Basic Information
State/Province(s)	ID
Country/Countries	United States
County/Locality(s)	Idaho County, ID
NWS WFO	Missoula MT
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-08-23 18:46:19UTC
Radiative Center (Lat, Lon):	46.056667°, -115.107224°
Nearby Counties (meeting notification criteria):	Idaho County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	38.50 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk, Known Incident: Wolf Creek (HIGH, tdiff=1.65726 days, Perimeter)
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	305.06 K
Observed - Background BT (3.9 um)	6.64 K
BT Anomaly (3.9 um)	2.36 K
Maximum Observed - Clear RTM BT (3.9 um)	12.42 K
Maximum Observed BTD (3.9-10/11/12 um)	15.34 K
Observed - Background BTD (3.9-10/11/12 um)	6.14 K
BTD Anomaly (3.9-10/11/12 um)	2.90 K
Similar Pixel Count	12
BT Time Tendency (3.9 um)	1.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.69
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	38.50 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	66.20°
Mean Solar Zenith Angle	36.20°
Mean Glint Angle	99.50°
Water Fraction	0.00
Total Pixel Area	9.90 km²
Latest Satellite Imagery:	IDn-MTw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	NE
Country/Countries	United States
County/Locality(s)	Perkins County, NE
NWS WFO	North Platte NE
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-08-23 18:46:50UTC
Radiative Center (Lat, Lon):	40.950554°, -102.022499°
Nearby Counties (meeting notification criteria):	Perkins County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	10.08 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	310.26 K
Observed - Background BT (3.9 um)	2.76 K
BT Anomaly (3.9 um)	1.70 K
Maximum Observed - Clear RTM BT (3.9 um)	8.67 K
Maximum Observed BTD (3.9-10/11/12 um)	22.76 K
Observed - Background BTD (3.9-10/11/12 um)	3.23 K
BTD Anomaly (3.9-10/11/12 um)	1.77 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	0.80 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.54
Fraction of Surrounding Red Channel Pixels that are Brighter	0.76
Maximum Radiative Power	10.08 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	55.00°
Mean Solar Zenith Angle	29.10°
Mean Glint Angle	79.80°
Water Fraction	0.00
Total Pixel Area	7.00 km²
Latest Satellite Imagery:	SDs-NE-COne-KSnw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	MO
Country/Countries	United States
County/Locality(s)	Pemiscot County, MO
NWS WFO	Memphis TN
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-08-23 18:46:51UTC
Radiative Center (Lat, Lon):	36.160278°, -89.809998°
Nearby Counties (meeting notification criteria):	Pemiscot County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	52.39 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	314.82 K
Observed - Background BT (3.9 um)	10.98 K
BT Anomaly (3.9 um)	8.18 K
Maximum Observed - Clear RTM BT (3.9 um)	13.12 K
Maximum Observed BTD (3.9-10/11/12 um)	24.03 K
Observed - Background BTD (3.9-10/11/12 um)	10.50 K
BTD Anomaly (3.9-10/11/12 um)	7.94 K
Similar Pixel Count	3
BT Time Tendency (3.9 um)	13.40 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.88
Fraction of Surrounding Red Channel Pixels that are Brighter	0.20
Maximum Radiative Power	52.39 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	44.90°
Mean Solar Zenith Angle	26.20°
Mean Glint Angle	64.50°
Water Fraction	0.00
Total Pixel Area	5.70 km²
Latest Satellite Imagery:	ILs-INs-KYw-TNw-_750_m
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Possible Wildfire

Basic Information
State/Province(s)	NM
Country/Countries	United States
County/Locality(s)	Harding County, NM
NWS WFO	Albuquerque NM
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-08-23 18:47:19UTC
Radiative Center (Lat, Lon):	35.816944°, -104.239441°
Nearby Counties (meeting notification criteria):	Harding County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	42.15 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	323.56 K
Observed - Background BT (3.9 um)	5.31 K
BT Anomaly (3.9 um)	2.42 K
Maximum Observed - Clear RTM BT (3.9 um)	12.33 K
Maximum Observed BTD (3.9-10/11/12 um)	23.54 K
Observed - Background BTD (3.9-10/11/12 um)	5.84 K
BTD Anomaly (3.9-10/11/12 um)	4.02 K
Similar Pixel Count	20
BT Time Tendency (3.9 um)	4.70 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.37
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	42.15 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	51.90°
Mean Solar Zenith Angle	24.10°
Mean Glint Angle	72.50°
Water Fraction	0.00
Total Pixel Area	6.50 km²
Latest Satellite Imagery:	COsw-UTse-AZne-NMnw_750_m KSsw-COse-OKw-TXnw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	LA
Country/Countries	United States
County/Locality(s)	Madison Parish, LA
NWS WFO	Jackson MS
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-08-23 18:47:20UTC
Radiative Center (Lat, Lon):	32.326946°, -91.461670°
Nearby Counties (meeting notification criteria):	Madison Parish (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	31.42 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	319.35 K
Observed - Background BT (3.9 um)	7.38 K
BT Anomaly (3.9 um)	2.43 K
Maximum Observed - Clear RTM BT (3.9 um)	8.13 K
Maximum Observed BTD (3.9-10/11/12 um)	21.06 K
Observed - Background BTD (3.9-10/11/12 um)	6.42 K
BTD Anomaly (3.9-10/11/12 um)	2.55 K
Similar Pixel Count	14
BT Time Tendency (3.9 um)	0.40 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.86
Fraction of Surrounding Red Channel Pixels that are Brighter	0.64
Maximum Radiative Power	31.42 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	41.70°
Mean Solar Zenith Angle	22.20°
Mean Glint Angle	57.20°
Water Fraction	0.00
Total Pixel Area	5.40 km²
Latest Satellite Imagery:	MS-AL-GAw-FLw_750_m TXe-LA-ARs_750_m
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Possible Wildfire

Basic Information
State/Province(s)	TX
Country/Countries	United States
County/Locality(s)	Brown County, TX
NWS WFO	San Angelo TX
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-08-23 18:47:20UTC
Radiative Center (Lat, Lon):	31.790556°, -98.816109°
Nearby Counties (meeting notification criteria):	Brown County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	93.64 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	316.47 K
Observed - Background BT (3.9 um)	8.93 K
BT Anomaly (3.9 um)	8.59 K
Maximum Observed - Clear RTM BT (3.9 um)	0.51 K
Maximum Observed BTD (3.9-10/11/12 um)	42.07 K
Observed - Background BTD (3.9-10/11/12 um)	9.03 K
BTD Anomaly (3.9-10/11/12 um)	9.16 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	6.30 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.18
Fraction of Surrounding Red Channel Pixels that are Brighter	0.88
Maximum Radiative Power	93.64 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	45.20°
Mean Solar Zenith Angle	20.00°
Mean Glint Angle	60.50°
Water Fraction	0.00
Total Pixel Area	5.70 km²
Latest Satellite Imagery:	TXw_750_m
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Next Generation Fire System (NGFS) - Experimental

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