Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-09-21
Time:	18:26:17
Production Date and Time:	2025-09-21 18:31:27 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20252641826174_e20252641828547_c20252641829024.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20252641821174_e20252641823547_c20252641824040.nc
Number Of Thermal Anomaly Alerts:	5

Basic Information
State/Province(s)	CO
Country/Countries	United States
County/Locality(s)	Cheyenne County, CO
NWS WFO	Goodland KS
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-09-21 18:26:49UTC
Radiative Center (Lat, Lon):	38.723331°, -102.245834°
Nearby Counties (meeting alert criteria):	Cheyenne County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	11.39 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	314.64 K
Observed - Background BT (3.9 um)	3.01 K
BT Anomaly (3.9 um)	2.22 K
Maximum Observed - Clear RTM BT (3.9 um)	12.39 K
Maximum Observed BTD (3.9-10/11/12 um)	17.08 K
Observed - Background BTD (3.9-10/11/12 um)	2.16 K
BTD Anomaly (3.9-10/11/12 um)	1.53 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	0.90 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	0.92
Maximum Radiative Power	11.39 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	53.20°
Mean Solar Zenith Angle	37.90°
Mean Glint Angle	86.60°
Water Fraction	0.00
Total Pixel Area	6.70 km²
Latest Satellite Imagery:	KSsw-COse-OKw-TXnw_750_m
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Basic Information
State/Province(s)	CA
Country/Countries	United States
County/Locality(s)	Yuba County, CA
NWS WFO	Sacramento CA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-09-21 18:26:48UTC
Radiative Center (Lat, Lon):	39.171112°, -121.584442°
Nearby Counties (meeting alert criteria):	Yuba County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	27.16 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	307.95 K
Observed - Background BT (3.9 um)	3.31 K
BT Anomaly (3.9 um)	1.65 K
Maximum Observed - Clear RTM BT (3.9 um)	5.48 K
Maximum Observed BTD (3.9-10/11/12 um)	18.95 K
Observed - Background BTD (3.9-10/11/12 um)	3.55 K
BTD Anomaly (3.9-10/11/12 um)	2.21 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	1.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.34
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	27.16 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	66.00°
Mean Solar Zenith Angle	43.70°
Mean Glint Angle	106.40°
Water Fraction	0.00
Total Pixel Area	9.80 km²
Latest Satellite Imagery:	CAcentral_750_m ORsw-CAn_750_m
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Basic Information
State/Province(s)	AR
Country/Countries	United States
County/Locality(s)	Clay County, AR
NWS WFO	Memphis TN
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-09-21 18:26:51UTC
Radiative Center (Lat, Lon):	36.309444°, -90.600830°
Nearby Counties (meeting alert criteria):	Clay County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	19.32 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	312.70 K
Observed - Background BT (3.9 um)	5.29 K
BT Anomaly (3.9 um)	3.18 K
Maximum Observed - Clear RTM BT (3.9 um)	9.32 K
Maximum Observed BTD (3.9-10/11/12 um)	21.66 K
Observed - Background BTD (3.9-10/11/12 um)	4.66 K
BTD Anomaly (3.9-10/11/12 um)	3.17 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	3.00 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.89
Fraction of Surrounding Red Channel Pixels that are Brighter	0.92
Maximum Radiative Power	19.32 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	45.40°
Mean Solar Zenith Angle	36.10°
Mean Glint Angle	76.20°
Water Fraction	0.00
Total Pixel Area	5.70 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)	AR
Country/Countries	United States
County/Locality(s)	Jefferson County, AR
NWS WFO	Little Rock AR
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-09-21 18:27:20UTC
Radiative Center (Lat, Lon):	34.178612°, -91.645836°
Nearby Counties (meeting alert criteria):	Jefferson County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	40.61 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	319.10 K
Observed - Background BT (3.9 um)	9.25 K
BT Anomaly (3.9 um)	4.42 K
Maximum Observed - Clear RTM BT (3.9 um)	13.00 K
Maximum Observed BTD (3.9-10/11/12 um)	27.39 K
Observed - Background BTD (3.9-10/11/12 um)	8.61 K
BTD Anomaly (3.9-10/11/12 um)	6.03 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	1.80 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.94
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	40.61 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	43.70°
Mean Solar Zenith Angle	33.80°
Mean Glint Angle	72.20°
Water Fraction	0.00
Total Pixel Area	5.50 km²
Latest Satellite Imagery:	MOsw-KSe-OKe-ARnw_750_m TXe-LA-ARs_750_m
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Basic Information
State/Province(s)	LA
Country/Countries	United States
County/Locality(s)	Pointe Coupee Parish, LA
NWS WFO	New Orleans LA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-09-21 18:27:20UTC
Radiative Center (Lat, Lon):	30.629168°, -91.517776°
Nearby Counties (meeting alert criteria):	Pointe Coupee Parish (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	76.51 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	312.56 K
Observed - Background BT (3.9 um)	6.71 K
BT Anomaly (3.9 um)	3.33 K
Maximum Observed - Clear RTM BT (3.9 um)	6.97 K
Maximum Observed BTD (3.9-10/11/12 um)	25.07 K
Observed - Background BTD (3.9-10/11/12 um)	6.95 K
BTD Anomaly (3.9-10/11/12 um)	3.24 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	3.80 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	0.73
Maximum Radiative Power	46.82 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	40.10°
Mean Solar Zenith Angle	30.30°
Mean Glint Angle	64.90°
Water Fraction	0.00
Total Pixel Area	10.50 km²
Latest Satellite Imagery:	TXe-LA-ARs_750_m
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Next Generation Fire System (NGFS) - Experimental