Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2026-09-21
Time:	20:01:17
Production Date and Time:	2026-09-21 20:06:30 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20262642001175_e20262642003548_c20262642004047.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20262641956175_e20262641958549_c20262641959030.nc
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	2026-09-21 20:01:19UTC
Radiative Center (Lat, Lon):	49.730556°, -114.810280°
Nearby Counties (meeting notification criteria):	East Kootenay (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	55.44 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	302.80 K
Observed - Background BT (3.9 um)	6.66 K
BT Anomaly (3.9 um)	5.74 K
Maximum Observed - Clear RTM BT (3.9 um)	16.45 K
Maximum Observed BTD (3.9-10/11/12 um)	6.60 K
Observed - Background BTD (3.9-10/11/12 um)	2.29 K
BTD Anomaly (3.9-10/11/12 um)	2.69 K
Similar Pixel Count	7
BT Time Tendency (3.9 um)	0.30 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	1.00
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	55.44 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	68.80°
Mean Solar Zenith Angle	49.20°
Mean Glint Angle	98.50°
Water Fraction	0.00
Total Pixel Area	22.10 km²
Latest Satellite Imagery:	None Available
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Possible Wildfire

Basic Information
State/Province(s)	British Columbia
Country/Countries	Canada
County/Locality(s)	Alberni-Clayoquot, British Columbia
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-09-21 20:01:18UTC
Radiative Center (Lat, Lon):	49.116390°, -124.666664°
Nearby Counties (meeting notification criteria):	Alberni-Clayoquot (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	22.94 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	290.91 K
Observed - Background BT (3.9 um)	2.59 K
BT Anomaly (3.9 um)	1.98 K
Maximum Observed - Clear RTM BT (3.9 um)	8.85 K
Maximum Observed BTD (3.9-10/11/12 um)	8.29 K
Observed - Background BTD (3.9-10/11/12 um)	2.49 K
BTD Anomaly (3.9-10/11/12 um)	3.09 K
Similar Pixel Count	11
BT Time Tendency (3.9 um)	1.00 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.58
Fraction of Surrounding Red Channel Pixels that are Brighter	0.99
Maximum Radiative Power	22.94 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	73.80°
Mean Solar Zenith Angle	48.20°
Mean Glint Angle	103.80°
Water Fraction	0.00
Total Pixel Area	14.30 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)	Whitman County, WA
NWS WFO	Spokane WA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-09-21 20:01:19UTC
Radiative Center (Lat, Lon):	46.935833°, -117.412498°
Nearby Counties (meeting notification criteria):	Whitman County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	141.97 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	316.28 K
Observed - Background BT (3.9 um)	6.27 K
BT Anomaly (3.9 um)	3.33 K
Maximum Observed - Clear RTM BT (3.9 um)	19.93 K
Maximum Observed BTD (3.9-10/11/12 um)	19.03 K
Observed - Background BTD (3.9-10/11/12 um)	6.16 K
BTD Anomaly (3.9-10/11/12 um)	4.00 K
Similar Pixel Count	9
BT Time Tendency (3.9 um)	5.40 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.42
Fraction of Surrounding Red Channel Pixels that are Brighter	0.96
Maximum Radiative Power	72.51 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	68.10°
Mean Solar Zenith Angle	46.10°
Mean Glint Angle	95.70°
Water Fraction	0.00
Total Pixel Area	21.50 km²
Latest Satellite Imagery:	IDn-MTw_750_m WAw-ORw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	WA
Country/Countries	United States
County/Locality(s)	Whitman County, WA
NWS WFO	Spokane WA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-09-21 20:01:19UTC
Radiative Center (Lat, Lon):	46.841946°, -117.094719°
Nearby Counties (meeting notification criteria):	Whitman County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	45.59 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	312.89 K
Observed - Background BT (3.9 um)	4.21 K
BT Anomaly (3.9 um)	1.58 K
Maximum Observed - Clear RTM BT (3.9 um)	17.29 K
Maximum Observed BTD (3.9-10/11/12 um)	17.02 K
Observed - Background BTD (3.9-10/11/12 um)	4.62 K
BTD Anomaly (3.9-10/11/12 um)	2.46 K
Similar Pixel Count	22
BT Time Tendency (3.9 um)	3.50 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.45
Fraction of Surrounding Red Channel Pixels that are Brighter	0.73
Maximum Radiative Power	45.59 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	67.90°
Mean Solar Zenith Angle	46.10°
Mean Glint Angle	95.50°
Water Fraction	0.00
Total Pixel Area	10.60 km²
Latest Satellite Imagery:	IDn-MTw_750_m WAw-ORw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	KY
Country/Countries	United States
County/Locality(s)	Christian County, KY
NWS WFO	Paducah KY
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-09-21 20:01:51UTC
Radiative Center (Lat, Lon):	36.658890°, -87.514999°
Nearby Counties (meeting notification criteria):	Christian County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	17.25 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	310.66 K
Observed - Background BT (3.9 um)	4.32 K
BT Anomaly (3.9 um)	1.92 K
Maximum Observed - Clear RTM BT (3.9 um)	8.91 K
Maximum Observed BTD (3.9-10/11/12 um)	23.73 K
Observed - Background BTD (3.9-10/11/12 um)	4.59 K
BTD Anomaly (3.9-10/11/12 um)	1.94 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	3.30 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.71
Fraction of Surrounding Red Channel Pixels that are Brighter	0.91
Maximum Radiative Power	17.25 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	44.70°
Mean Solar Zenith Angle	47.90°
Mean Glint Angle	72.70°
Water Fraction	0.00
Total Pixel Area	5.60 km²
Latest Satellite Imagery:	ILs-INs-KYw-TNw-_750_m
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Possible Wildfire

Basic Information
State/Province(s)	AR
Country/Countries	United States
County/Locality(s)	Craighead County, AR
NWS WFO	Memphis TN
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-09-21 20:02:21UTC
Radiative Center (Lat, Lon):	35.829723°, -90.585556°
Nearby Counties (meeting notification criteria):	Craighead County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	96.50 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	320.75 K
Observed - Background BT (3.9 um)	15.85 K
BT Anomaly (3.9 um)	10.76 K
Maximum Observed - Clear RTM BT (3.9 um)	19.85 K
Maximum Observed BTD (3.9-10/11/12 um)	38.58 K
Observed - Background BTD (3.9-10/11/12 um)	15.72 K
BTD Anomaly (3.9-10/11/12 um)	9.94 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	5.90 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.50
Fraction of Surrounding Red Channel Pixels that are Brighter	0.42
Maximum Radiative Power	96.50 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	44.90°
Mean Solar Zenith Angle	45.50°
Mean Glint Angle	69.90°
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)	Craighead County, AR
NWS WFO	Memphis TN
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-09-21 20:02:21UTC
Radiative Center (Lat, Lon):	35.777779°, -90.524719°
Nearby Counties (meeting notification criteria):	Craighead County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	98.98 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	315.86 K
Observed - Background BT (3.9 um)	11.37 K
BT Anomaly (3.9 um)	4.32 K
Maximum Observed - Clear RTM BT (3.9 um)	14.56 K
Maximum Observed BTD (3.9-10/11/12 um)	33.52 K
Observed - Background BTD (3.9-10/11/12 um)	11.20 K
BTD Anomaly (3.9-10/11/12 um)	4.07 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	5.20 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.55
Fraction of Surrounding Red Channel Pixels that are Brighter	0.57
Maximum Radiative Power	53.98 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	44.80°
Mean Solar Zenith Angle	45.50°
Mean Glint Angle	69.80°
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)	TX
Country/Countries	United States
County/Locality(s)	Medina County, TX
NWS WFO	Austin/San Antonio TX
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-09-21 20:02:49UTC
Radiative Center (Lat, Lon):	29.456388°, -99.244720°
Nearby Counties (meeting notification criteria):	Medina County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	31.52 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	317.72 K
Observed - Background BT (3.9 um)	5.14 K
BT Anomaly (3.9 um)	2.41 K
Maximum Observed - Clear RTM BT (3.9 um)	10.73 K
Maximum Observed BTD (3.9-10/11/12 um)	23.82 K
Observed - Background BTD (3.9-10/11/12 um)	5.15 K
BTD Anomaly (3.9-10/11/12 um)	3.04 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	1.80 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.61
Fraction of Surrounding Red Channel Pixels that are Brighter	0.44
Maximum Radiative Power	31.52 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	43.50°
Mean Solar Zenith Angle	35.80°
Mean Glint Angle	57.00°
Water Fraction	0.00
Total Pixel Area	5.50 km²
Latest Satellite Imagery:	TXs_750_m TXw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	Tamaulipas
Country/Countries	Mexico
County/Locality(s)	San Fernando, Tamaulipas
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-09-21 20:03:19UTC
Radiative Center (Lat, Lon):	24.768055°, -97.951942°
Nearby Counties (meeting notification criteria):	San Fernando (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	23.46 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	322.04 K
Observed - Background BT (3.9 um)	4.62 K
BT Anomaly (3.9 um)	2.25 K
Maximum Observed - Clear RTM BT (3.9 um)	11.38 K
Maximum Observed BTD (3.9-10/11/12 um)	26.46 K
Observed - Background BTD (3.9-10/11/12 um)	4.72 K
BTD Anomaly (3.9-10/11/12 um)	2.83 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	1.80 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.50
Fraction of Surrounding Red Channel Pixels that are Brighter	0.95
Maximum Radiative Power	23.46 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	38.70°
Mean Solar Zenith Angle	33.30°
Mean Glint Angle	47.90°
Water Fraction	0.00
Total Pixel Area	5.10 km²
Latest Satellite Imagery:	None Available
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Possible Wildfire

Basic Information
State/Province(s)	Tamaulipas
Country/Countries	Mexico
County/Locality(s)	Xicoténcatl, Tamaulipas
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-09-21 20:03:19UTC
Radiative Center (Lat, Lon):	23.048056°, -98.926109°
Nearby Counties (meeting notification criteria):	Xicoténcatl (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	18.12 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	320.33 K
Observed - Background BT (3.9 um)	6.55 K
BT Anomaly (3.9 um)	3.95 K
Maximum Observed - Clear RTM BT (3.9 um)	14.26 K
Maximum Observed BTD (3.9-10/11/12 um)	22.37 K
Observed - Background BTD (3.9-10/11/12 um)	6.18 K
BTD Anomaly (3.9-10/11/12 um)	3.65 K
Similar Pixel Count	20
BT Time Tendency (3.9 um)	1.20 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	0.53
Maximum Radiative Power	18.12 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	38.10°
Mean Solar Zenith Angle	31.50°
Mean Glint Angle	44.70°
Water Fraction	0.00
Total Pixel Area	5.10 km²
Latest Satellite Imagery:	None Available
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Next Generation Fire System (NGFS) - Experimental

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