Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2026-09-21
Time:	19:56:17
Production Date and Time:	2026-09-21 20:01:23 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20262641956175_e20262641958549_c20262641959030.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20262641951175_e20262641953549_c20262641954010.nc
Number Of Thermal Anomaly Notifications:	6

Possible Wildfire

Basic Information
State/Province(s)	MN
Country/Countries	United States
County/Locality(s)	Roseau County, MN
NWS WFO	Grand Forks ND
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-09-21 19:56:21UTC
Radiative Center (Lat, Lon):	48.950001°, -95.362221°
Nearby Counties (meeting notification criteria):	Roseau County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	15.35 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	295.29 K
Observed - Background BT (3.9 um)	4.65 K
BT Anomaly (3.9 um)	2.41 K
Maximum Observed - Clear RTM BT (3.9 um)	9.08 K
Maximum Observed BTD (3.9-10/11/12 um)	8.03 K
Observed - Background BTD (3.9-10/11/12 um)	3.94 K
BTD Anomaly (3.9-10/11/12 um)	3.93 K
Similar Pixel Count	7
BT Time Tendency (3.9 um)	2.90 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.81
Fraction of Surrounding Red Channel Pixels that are Brighter	0.76
Maximum Radiative Power	15.35 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	59.80°
Mean Solar Zenith Angle	52.70°
Mean Glint Angle	93.00°
Water Fraction	0.00
Total Pixel Area	7.90 km²
Latest Satellite Imagery:	MN-WInw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	ID
Country/Countries	United States
County/Locality(s)	Shoshone County, ID
NWS WFO	Spokane WA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-09-21 19:56:19UTC
Radiative Center (Lat, Lon):	47.169998°, -115.795830°
Nearby Counties (meeting notification criteria):	Shoshone County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	10.81 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	296.74 K
Observed - Background BT (3.9 um)	2.06 K
BT Anomaly (3.9 um)	1.35 K
Maximum Observed - Clear RTM BT (3.9 um)	7.11 K
Maximum Observed BTD (3.9-10/11/12 um)	7.32 K
Observed - Background BTD (3.9-10/11/12 um)	2.61 K
BTD Anomaly (3.9-10/11/12 um)	3.34 K
Similar Pixel Count	16
BT Time Tendency (3.9 um)	1.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.26
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	10.81 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	67.40°
Mean Solar Zenith Angle	46.40°
Mean Glint Angle	96.10°
Water Fraction	0.00
Total Pixel Area	10.40 km²
Latest Satellite Imagery:	IDn-MTw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	ID
Country/Countries	United States
County/Locality(s)	Lewis County, ID
NWS WFO	Spokane WA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-09-21 19:56:19UTC
Radiative Center (Lat, Lon):	46.200554°, -116.345833°
Nearby Counties (meeting notification criteria):	Lewis County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	18.41 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	308.36 K
Observed - Background BT (3.9 um)	2.40 K
BT Anomaly (3.9 um)	1.09 K
Maximum Observed - Clear RTM BT (3.9 um)	14.11 K
Maximum Observed BTD (3.9-10/11/12 um)	12.90 K
Observed - Background BTD (3.9-10/11/12 um)	1.89 K
BTD Anomaly (3.9-10/11/12 um)	1.16 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	0.70 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.74
Fraction of Surrounding Red Channel Pixels that are Brighter	0.80
Maximum Radiative Power	18.41 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	67.00°
Mean Solar Zenith Angle	45.40°
Mean Glint Angle	94.90°
Water Fraction	0.00
Total Pixel Area	10.30 km²
Latest Satellite Imagery:	IDn-MTw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	AR
Country/Countries	United States
County/Locality(s)	Poinsett County, AR
NWS WFO	Memphis TN
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-09-21 19:57:21UTC
Radiative Center (Lat, Lon):	35.547501°, -90.350830°
Nearby Counties (meeting notification criteria):	Poinsett County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	29.80 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	313.26 K
Observed - Background BT (3.9 um)	6.55 K
BT Anomaly (3.9 um)	2.62 K
Maximum Observed - Clear RTM BT (3.9 um)	10.54 K
Maximum Observed BTD (3.9-10/11/12 um)	32.16 K
Observed - Background BTD (3.9-10/11/12 um)	7.08 K
BTD Anomaly (3.9-10/11/12 um)	2.77 K
Similar Pixel Count	24
BT Time Tendency (3.9 um)	2.60 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.23
Fraction of Surrounding Red Channel Pixels that are Brighter	0.82
Maximum Radiative Power	29.80 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	44.50°
Mean Solar Zenith Angle	44.70°
Mean Glint Angle	69.70°
Water Fraction	0.00
Total Pixel Area	5.60 km²
Latest Satellite Imagery:	ILs-INs-KYw-TNw-_750_m MOsw-KSe-OKe-ARnw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	AR
Country/Countries	United States
County/Locality(s)	Poinsett County, AR
NWS WFO	Memphis TN
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-09-21 19:57:21UTC
Radiative Center (Lat, Lon):	35.566387°, -91.009720°
Nearby Counties (meeting notification criteria):	Poinsett County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	95.26 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	321.26 K
Observed - Background BT (3.9 um)	11.23 K
BT Anomaly (3.9 um)	6.86 K
Maximum Observed - Clear RTM BT (3.9 um)	19.87 K
Maximum Observed BTD (3.9-10/11/12 um)	28.15 K
Observed - Background BTD (3.9-10/11/12 um)	10.39 K
BTD Anomaly (3.9-10/11/12 um)	8.78 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	7.60 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.92
Fraction of Surrounding Red Channel Pixels that are Brighter	0.57
Maximum Radiative Power	54.04 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	44.80°
Mean Solar Zenith Angle	44.30°
Mean Glint Angle	69.50°
Water Fraction	0.00
Total Pixel Area	11.30 km²
Latest Satellite Imagery:	ILs-INs-KYw-TNw-_750_m MOsw-KSe-OKe-ARnw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	AR
Country/Countries	United States
County/Locality(s)	Cross County, AR
NWS WFO	Memphis TN
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-09-21 19:57:21UTC
Radiative Center (Lat, Lon):	35.281387°, -90.628334°
Nearby Counties (meeting notification criteria):	Cross County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	24.94 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	315.89 K
Observed - Background BT (3.9 um)	4.36 K
BT Anomaly (3.9 um)	1.44 K
Maximum Observed - Clear RTM BT (3.9 um)	13.17 K
Maximum Observed BTD (3.9-10/11/12 um)	23.95 K
Observed - Background BTD (3.9-10/11/12 um)	4.12 K
BTD Anomaly (3.9-10/11/12 um)	1.68 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	3.90 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.85
Fraction of Surrounding Red Channel Pixels that are Brighter	0.77
Maximum Radiative Power	24.94 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	44.40°
Mean Solar Zenith Angle	44.30°
Mean Glint Angle	69.10°
Water Fraction	0.00
Total Pixel Area	5.60 km²
Latest Satellite Imagery:	ILs-INs-KYw-TNw-_750_m MOsw-KSe-OKe-ARnw_750_m
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Next Generation Fire System (NGFS) - Experimental

Wildfire Notification Report

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire