Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-06-03
Time:	17:46:18
Production Date and Time:	2025-06-03 17:51:02 UTC
Primary Instrument:	GOES-18 ABI
Wmo Spacecraft Id:	665
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G18_s20251541746189_e20251541748562_c20251541749055.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G18_s20251541741189_e20251541743562_c20251541744049.nc
Number Of Thermal Anomaly Alerts:	4

Basic Information
State/Province(s)	CA
Country/Countries	United States
County/Locality(s)	San Joaquin County, CA
NWS WFO	Sacramento CA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-06-03 17:46:54UTC
Radiative Center (Lat, Lon):	37.665001°, -121.516945°
Nearby Counties (meeting alert criteria):	San Joaquin County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	87.39 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	323.79 K
Observed - Background BT (3.9 um)	11.17 K
BT Anomaly (3.9 um)	5.69 K
Maximum Observed - Clear RTM BT (3.9 um)	19.38 K
Maximum Observed BTD (3.9-10/11/12 um)	20.83 K
Observed - Background BTD (3.9-10/11/12 um)	10.09 K
BTD Anomaly (3.9-10/11/12 um)	8.53 K
Similar Pixel Count	4
BT Time Tendency (3.9 um)	3.20 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.98
Fraction of Surrounding Red Channel Pixels that are Brighter	0.65
Maximum Radiative Power	54.29 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	46.80°
Mean Solar Zenith Angle	33.30°
Mean Glint Angle	51.80°
Water Fraction	0.00
Total Pixel Area	11.70 km²
Latest Satellite Imagery:	CAcentral_750_m
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Basic Information
State/Province(s)	NV
Country/Countries	United States
County/Locality(s)	Clark County, NV
NWS WFO	Las Vegas NV
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-06-03 17:47:25UTC
Radiative Center (Lat, Lon):	35.797501°, -114.961945°
Nearby Counties (meeting alert criteria):	Clark County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	513.46 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Solar panel (database + spectral)
Event Priority Ranking	5
Maximum Observed BT (3.9 um)	340.55 K
Observed - Background BT (3.9 um)	21.47 K
BT Anomaly (3.9 um)	10.38 K
Maximum Observed - Clear RTM BT (3.9 um)	25.00 K
Maximum Observed BTD (3.9-10/11/12 um)	40.81 K
Observed - Background BTD (3.9-10/11/12 um)	21.66 K
BTD Anomaly (3.9-10/11/12 um)	13.62 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	17.90 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.62
Fraction of Surrounding Red Channel Pixels that are Brighter	0.00
Maximum Radiative Power	171.33 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	47.90°
Mean Solar Zenith Angle	27.70°
Mean Glint Angle	47.90°
Water Fraction	0.00
Total Pixel Area	23.90 km²
Latest Satellite Imagery:	CAs_750_m NVs-UTsw-AZnw_750_m
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Basic Information
State/Province(s)	CA
Country/Countries	United States
County/Locality(s)	Riverside County, CA
NWS WFO	Phoenix AZ
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-06-03 17:47:25UTC
Radiative Center (Lat, Lon):	33.591110°, -114.748886°
Nearby Counties (meeting alert criteria):	Riverside County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	57.91 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Solar panel (database + spectral)
Event Priority Ranking	5
Maximum Observed BT (3.9 um)	328.56 K
Observed - Background BT (3.9 um)	8.28 K
BT Anomaly (3.9 um)	4.23 K
Maximum Observed - Clear RTM BT (3.9 um)	13.77 K
Maximum Observed BTD (3.9-10/11/12 um)	30.61 K
Observed - Background BTD (3.9-10/11/12 um)	8.17 K
BTD Anomaly (3.9-10/11/12 um)	6.94 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	6.80 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.64
Fraction of Surrounding Red Channel Pixels that are Brighter	0.00
Maximum Radiative Power	57.91 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	46.00°
Mean Solar Zenith Angle	26.80°
Mean Glint Angle	43.70°
Water Fraction	0.00
Total Pixel Area	5.80 km²
Latest Satellite Imagery:	AZsw-CAse_750_m CAs_750_m
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Basic Information
State/Province(s)	Sonora
Country/Countries	Mexico
County/Locality(s)	San Ignacio Río Muerto, Sonora
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-06-03 17:47:55UTC
Radiative Center (Lat, Lon):	27.334723°, -110.351669°
Nearby Counties (meeting alert criteria):	San Ignacio Río Muerto (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	9.28 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	322.94 K
Observed - Background BT (3.9 um)	2.20 K
BT Anomaly (3.9 um)	1.23 K
Maximum Observed - Clear RTM BT (3.9 um)	8.01 K
Maximum Observed BTD (3.9-10/11/12 um)	20.13 K
Observed - Background BTD (3.9-10/11/12 um)	2.29 K
BTD Anomaly (3.9-10/11/12 um)	1.37 K
Similar Pixel Count	23
BT Time Tendency (3.9 um)	0.60 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	0.76
Maximum Radiative Power	9.28 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	43.60°
Mean Solar Zenith Angle	21.60°
Mean Glint Angle	33.60°
Water Fraction	0.00
Total Pixel Area	5.50 km²
Latest Satellite Imagery:	None Available
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Next Generation Fire System (NGFS) - Experimental