Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-05-20
Time:	20:16:17
Production Date and Time:	2025-05-20 20:21:19 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20251402016172_e20251402018545_c20251402019009.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20251402011172_e20251402013545_c20251402014040.nc
Number Of Thermal Anomaly Alerts:	4

Basic Information
State/Province(s)	CA
Country/Countries	United States
County/Locality(s)	Yolo County, CA
NWS WFO	Sacramento CA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-05-20 20:16:48UTC
Radiative Center (Lat, Lon):	38.742500°, -121.957222°
Nearby Counties (meeting alert criteria):	Yolo County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	29.17 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	311.40 K
Observed - Background BT (3.9 um)	3.89 K
BT Anomaly (3.9 um)	2.91 K
Maximum Observed - Clear RTM BT (3.9 um)	11.93 K
Maximum Observed BTD (3.9-10/11/12 um)	9.79 K
Observed - Background BTD (3.9-10/11/12 um)	2.30 K
BTD Anomaly (3.9-10/11/12 um)	4.92 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	1.20 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	0.72
Maximum Radiative Power	29.17 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	66.00°
Mean Solar Zenith Angle	19.10°
Mean Glint Angle	74.10°
Water Fraction	0.00
Total Pixel Area	19.70 km²
Latest Satellite Imagery:	CAcentral_750_m
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Basic Information
State/Province(s)	GA
Country/Countries	United States
County/Locality(s)	Jefferson County, GA
NWS WFO	Peachtree City GA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-05-20 20:17:22UTC
Radiative Center (Lat, Lon):	32.993610°, -82.283607°
Nearby Counties (meeting alert criteria):	Jefferson County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	16.16 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	311.00 K
Observed - Background BT (3.9 um)	4.65 K
BT Anomaly (3.9 um)	3.66 K
Maximum Observed - Clear RTM BT (3.9 um)	10.88 K
Maximum Observed BTD (3.9-10/11/12 um)	14.12 K
Observed - Background BTD (3.9-10/11/12 um)	3.72 K
BTD Anomaly (3.9-10/11/12 um)	4.12 K
Similar Pixel Count	18
BT Time Tendency (3.9 um)	1.00 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.86
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	16.16 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	39.30°
Mean Solar Zenith Angle	40.20°
Mean Glint Angle	51.40°
Water Fraction	0.00
Total Pixel Area	5.20 km²
Latest Satellite Imagery:	SCs-GAe-FLn_750_m
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Basic Information
State/Province(s)	Tamaulipas
Country/Countries	Mexico
County/Locality(s)	Aldama, Tamaulipas
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-05-20 20:18:19UTC
Radiative Center (Lat, Lon):	22.873888°, -97.892220°
Nearby Counties (meeting alert criteria):	Aldama (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	15.48 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	318.30 K
Observed - Background BT (3.9 um)	2.99 K
BT Anomaly (3.9 um)	1.19 K
Maximum Observed - Clear RTM BT (3.9 um)	10.03 K
Maximum Observed BTD (3.9-10/11/12 um)	20.74 K
Observed - Background BTD (3.9-10/11/12 um)	2.85 K
BTD Anomaly (3.9-10/11/12 um)	1.61 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	0.65
Fraction of Surrounding Red Channel Pixels that are Brighter	0.93
Maximum Radiative Power	15.48 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	37.20°
Mean Solar Zenith Angle	25.40°
Mean Glint Angle	25.30°
Water Fraction	0.00
Total Pixel Area	5.00 km²
Latest Satellite Imagery:	None Available
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Basic Information
State/Province(s)	Tamaulipas
Country/Countries	Mexico
County/Locality(s)	Altamira, Tamaulipas
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-05-20 20:18:19UTC
Radiative Center (Lat, Lon):	22.694166°, -98.168610°
Nearby Counties (meeting alert criteria):	Altamira (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	13.91 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	321.82 K
Observed - Background BT (3.9 um)	2.30 K
BT Anomaly (3.9 um)	1.35 K
Maximum Observed - Clear RTM BT (3.9 um)	12.17 K
Maximum Observed BTD (3.9-10/11/12 um)	22.65 K
Observed - Background BTD (3.9-10/11/12 um)	1.94 K
BTD Anomaly (3.9-10/11/12 um)	1.98 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	1.40 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.57
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	13.91 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	37.20°
Mean Solar Zenith Angle	25.20°
Mean Glint Angle	25.00°
Water Fraction	0.00
Total Pixel Area	5.00 km²
Latest Satellite Imagery:	None Available
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Next Generation Fire System (NGFS) - Experimental