Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-09-18
Time:	21:51:17
Production Date and Time:	2025-09-18 21:56:26 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20252612151171_e20252612153545_c20252612154040.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20252612146171_e20252612148545_c20252612149001.nc
Number Of Thermal Anomaly Alerts:	4

Basic Information
State/Province(s)	MT
Country/Countries	United States
County/Locality(s)	Park County, MT
NWS WFO	Billings MT
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-09-18 21:51:19UTC
Radiative Center (Lat, Lon):	45.828335°, -110.727501°
Nearby Counties (meeting alert criteria):	Park County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	27.01 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	300.80 K
Observed - Background BT (3.9 um)	3.66 K
BT Anomaly (3.9 um)	1.61 K
Maximum Observed - Clear RTM BT (3.9 um)	9.65 K
Maximum Observed BTD (3.9-10/11/12 um)	8.29 K
Observed - Background BTD (3.9-10/11/12 um)	2.77 K
BTD Anomaly (3.9-10/11/12 um)	2.73 K
Similar Pixel Count	11
BT Time Tendency (3.9 um)	2.40 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.38
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	27.01 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	63.60°
Mean Solar Zenith Angle	55.10°
Mean Glint Angle	72.00°
Water Fraction	0.00
Total Pixel Area	18.00 km²
Latest Satellite Imagery:	MTe_750_m
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Basic Information
State/Province(s)	WY
Country/Countries	United States
County/Locality(s)	Johnson County, WY
NWS WFO	Riverton WY
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-09-18 21:51:19UTC
Radiative Center (Lat, Lon):	44.211666°, -106.084999°
Nearby Counties (meeting alert criteria):	Johnson County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	31.90 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	309.03 K
Observed - Background BT (3.9 um)	6.09 K
BT Anomaly (3.9 um)	5.11 K
Maximum Observed - Clear RTM BT (3.9 um)	14.27 K
Maximum Observed BTD (3.9-10/11/12 um)	15.30 K
Observed - Background BTD (3.9-10/11/12 um)	5.68 K
BTD Anomaly (3.9-10/11/12 um)	10.05 K
Similar Pixel Count	11
BT Time Tendency (3.9 um)	1.40 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.73
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	31.90 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	59.90°
Mean Solar Zenith Angle	56.70°
Mean Glint Angle	69.80°
Water Fraction	0.00
Total Pixel Area	8.00 km²
Latest Satellite Imagery:	MTe_750_m WY-UTne-COnw_750_m
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Basic Information
State/Province(s)	MO
Country/Countries	United States
County/Locality(s)	Butler County, MO
NWS WFO	Paducah KY
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-09-18 21:51:51UTC
Radiative Center (Lat, Lon):	36.636112°, -90.457779°
Nearby Counties (meeting alert criteria):	Butler County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	49.39 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	306.47 K
Observed - Background BT (3.9 um)	6.99 K
BT Anomaly (3.9 um)	6.88 K
Maximum Observed - Clear RTM BT (3.9 um)	4.89 K
Maximum Observed BTD (3.9-10/11/12 um)	20.97 K
Observed - Background BTD (3.9-10/11/12 um)	6.67 K
BTD Anomaly (3.9-10/11/12 um)	5.88 K
Similar Pixel Count	13
BT Time Tendency (3.9 um)	5.80 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	0.87
Maximum Radiative Power	28.00 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	45.70°
Mean Solar Zenith Angle	64.00°
Mean Glint Angle	67.70°
Water Fraction	0.00
Total Pixel Area	11.40 km²
Latest Satellite Imagery:	ILs-INs-KYw-TNw-_750_m MOsw-KSe-OKe-ARnw_750_m
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Basic Information
State/Province(s)	LA
Country/Countries	United States
County/Locality(s)	West Carroll Parish, LA
NWS WFO	Jackson MS
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-09-18 21:52:20UTC
Radiative Center (Lat, Lon):	32.850555°, -91.530556°
Nearby Counties (meeting alert criteria):	West Carroll Parish (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	135.87 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	306.01 K
Observed - Background BT (3.9 um)	6.36 K
BT Anomaly (3.9 um)	2.04 K
Maximum Observed - Clear RTM BT (3.9 um)	4.22 K
Maximum Observed BTD (3.9-10/11/12 um)	19.58 K
Observed - Background BTD (3.9-10/11/12 um)	7.00 K
BTD Anomaly (3.9-10/11/12 um)	2.37 K
Similar Pixel Count	17
BT Time Tendency (3.9 um)	7.00 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	0.66
Maximum Radiative Power	135.87 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	42.30°
Mean Solar Zenith Angle	62.10°
Mean Glint Angle	62.30°
Water Fraction	0.00
Total Pixel Area	10.80 km²
Latest Satellite Imagery:	MS-AL-GAw-FLw_750_m TXe-LA-ARs_750_m
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Next Generation Fire System (NGFS) - Experimental