Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-09-05
Time:	17:21:17
Production Date and Time:	2025-09-05 17:26:29 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20252481721173_e20252481723546_c20252481724033.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20252481716173_e20252481718546_c20252481719006.nc
Number Of Thermal Anomaly Alerts:	4

Basic Information
State/Province(s)	MT
Country/Countries	United States
County/Locality(s)	Judith Basin County, MT
NWS WFO	Great Falls MT
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-09-05 17:21:19UTC
Radiative Center (Lat, Lon):	46.920834°, -110.536942°
Nearby Counties (meeting alert criteria):	Judith Basin County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	6.69 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	298.00 K
Observed - Background BT (3.9 um)	1.81 K
BT Anomaly (3.9 um)	0.94 K
Maximum Observed - Clear RTM BT (3.9 um)	12.44 K
Maximum Observed BTD (3.9-10/11/12 um)	8.41 K
Observed - Background BTD (3.9-10/11/12 um)	1.46 K
BTD Anomaly (3.9-10/11/12 um)	2.18 K
Similar Pixel Count	22
BT Time Tendency (3.9 um)	0.80 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.77
Fraction of Surrounding Red Channel Pixels that are Brighter	0.88
Maximum Radiative Power	6.69 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	64.40°
Mean Solar Zenith Angle	47.30°
Mean Glint Angle	111.70°
Water Fraction	0.00
Total Pixel Area	9.30 km²
Latest Satellite Imagery:	MTe_750_m
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Basic Information
State/Province(s)	NC
Country/Countries	United States
County/Locality(s)	Alleghany County, NC
NWS WFO	Blacksburg VA
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-09-05 17:21:52UTC
Radiative Center (Lat, Lon):	36.514721°, -81.218613°
Nearby Counties (meeting alert criteria):	Alleghany County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	24.88 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	307.89 K
Observed - Background BT (3.9 um)	7.20 K
BT Anomaly (3.9 um)	9.18 K
Maximum Observed - Clear RTM BT (3.9 um)	13.92 K
Maximum Observed BTD (3.9-10/11/12 um)	17.14 K
Observed - Background BTD (3.9-10/11/12 um)	5.75 K
BTD Anomaly (3.9-10/11/12 um)	6.42 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	3.00 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	0.97
Maximum Radiative Power	24.88 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	43.00°
Mean Solar Zenith Angle	29.30°
Mean Glint Angle	72.10°
Water Fraction	0.00
Total Pixel Area	5.50 km²
Latest Satellite Imagery:	WV-KYe-VAw-NCw-TNe-SCn_750_m
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Basic Information
State/Province(s)	CA
Country/Countries	United States
County/Locality(s)	Kern County, CA
NWS WFO	Hanford CA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-09-05 17:22:18UTC
Radiative Center (Lat, Lon):	35.122776°, -119.007225°
Nearby Counties (meeting alert criteria):	Kern County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	18.86 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	316.01 K
Observed - Background BT (3.9 um)	3.25 K
BT Anomaly (3.9 um)	1.57 K
Maximum Observed - Clear RTM BT (3.9 um)	7.99 K
Maximum Observed BTD (3.9-10/11/12 um)	15.33 K
Observed - Background BTD (3.9-10/11/12 um)	2.50 K
BTD Anomaly (3.9-10/11/12 um)	1.82 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	0.60 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.77
Fraction of Surrounding Red Channel Pixels that are Brighter	0.87
Maximum Radiative Power	18.86 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	61.80°
Mean Solar Zenith Angle	44.90°
Mean Glint Angle	106.70°
Water Fraction	0.00
Total Pixel Area	8.50 km²
Latest Satellite Imagery:	CAcentral_750_m CAs_750_m NVs-UTsw-AZnw_750_m
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Basic Information
State/Province(s)	AR
Country/Countries	United States
County/Locality(s)	Desha County, AR
NWS WFO	Little Rock AR
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-09-05 17:22:21UTC
Radiative Center (Lat, Lon):	33.608334°, -91.204720°
Nearby Counties (meeting alert criteria):	Desha County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	101.56 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	312.10 K
Observed - Background BT (3.9 um)	12.64 K
BT Anomaly (3.9 um)	5.31 K
Maximum Observed - Clear RTM BT (3.9 um)	5.34 K
Maximum Observed BTD (3.9-10/11/12 um)	40.87 K
Observed - Background BTD (3.9-10/11/12 um)	12.41 K
BTD Anomaly (3.9-10/11/12 um)	6.54 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	18.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.80
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	101.56 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	42.90°
Mean Solar Zenith Angle	28.20°
Mean Glint Angle	71.00°
Water Fraction	0.00
Total Pixel Area	5.50 km²
Latest Satellite Imagery:	ILs-INs-KYw-TNw-_750_m MOsw-KSe-OKe-ARnw_750_m MS-AL-GAw-FLw_750_m TXe-LA-ARs_750_m
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Next Generation Fire System (NGFS) - Experimental