Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-05-28
Time:	18:16:17
Production Date and Time:	2025-05-28 18:21:00 UTC
Primary Instrument:	GOES-18 ABI
Wmo Spacecraft Id:	665
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G18_s20251481816175_e20251481818548_c20251481819004.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G18_s20251481811175_e20251481813548_c20251481814031.nc
Number Of Thermal Anomaly Alerts:	4

Basic Information
State/Province(s)	CA
Country/Countries	United States
County/Locality(s)	Monterey County, CA
NWS WFO	San Francisco CA
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-05-28 18:17:23UTC
Radiative Center (Lat, Lon):	35.821667°, -120.783058°
Nearby Counties (meeting alert criteria):	Monterey County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	62.08 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	319.15 K
Observed - Background BT (3.9 um)	11.59 K
BT Anomaly (3.9 um)	7.90 K
Maximum Observed - Clear RTM BT (3.9 um)	15.76 K
Maximum Observed BTD (3.9-10/11/12 um)	24.01 K
Observed - Background BTD (3.9-10/11/12 um)	9.90 K
BTD Anomaly (3.9-10/11/12 um)	6.97 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	7.30 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	1.00
Maximum Radiative Power	62.08 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	45.20°
Mean Solar Zenith Angle	26.80°
Mean Glint Angle	50.70°
Water Fraction	0.00
Total Pixel Area	5.70 km²
Latest Satellite Imagery:	CAcentral_750_m CAs_750_m
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Basic Information
State/Province(s)	CA
Country/Countries	United States
County/Locality(s)	Los Angeles County, CA
NWS WFO	Los Angeles/Oxnard CA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-05-28 18:17:23UTC
Radiative Center (Lat, Lon):	34.728054°, -118.301392°
Nearby Counties (meeting alert criteria):	Los Angeles County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	72.40 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)	326.39 K
Observed - Background BT (3.9 um)	11.40 K
BT Anomaly (3.9 um)	2.55 K
Maximum Observed - Clear RTM BT (3.9 um)	15.29 K
Maximum Observed BTD (3.9-10/11/12 um)	27.77 K
Observed - Background BTD (3.9-10/11/12 um)	11.47 K
BTD Anomaly (3.9-10/11/12 um)	2.63 K
Similar Pixel Count	5
BT Time Tendency (3.9 um)	0.40 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.53
Fraction of Surrounding Red Channel Pixels that are Brighter	0.00
Maximum Radiative Power	72.40 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	45.20°
Mean Solar Zenith Angle	24.50°
Mean Glint Angle	48.70°
Water Fraction	0.00
Total Pixel Area	5.70 km²
Latest Satellite Imagery:	AZsw-CAse_750_m CAcentral_750_m 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)	Los Angeles County, CA
NWS WFO	Los Angeles/Oxnard CA
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-05-28 18:17:23UTC
Radiative Center (Lat, Lon):	34.616943°, -117.939163°
Nearby Counties (meeting alert criteria):	Los Angeles County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	167.90 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)	334.76 K
Observed - Background BT (3.9 um)	13.39 K
BT Anomaly (3.9 um)	13.39 K
Maximum Observed - Clear RTM BT (3.9 um)	22.30 K
Maximum Observed BTD (3.9-10/11/12 um)	25.23 K
Observed - Background BTD (3.9-10/11/12 um)	12.66 K
BTD Anomaly (3.9-10/11/12 um)	14.48 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	11.40 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.93
Fraction of Surrounding Red Channel Pixels that are Brighter	0.00
Maximum Radiative Power	91.44 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	45.30°
Mean Solar Zenith Angle	24.20°
Mean Glint Angle	48.50°
Water Fraction	0.00
Total Pixel Area	11.40 km²
Latest Satellite Imagery:	AZsw-CAse_750_m CAcentral_750_m CAs_750_m NVs-UTsw-AZnw_750_m
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Basic Information
State/Province(s)	Sonora
Country/Countries	Mexico
County/Locality(s)	Santa Ana, Sonora
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-05-28 18:17:24UTC
Radiative Center (Lat, Lon):	30.658056°, -111.161110°
Nearby Counties (meeting alert criteria):	Santa Ana (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	12.82 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	324.40 K
Observed - Background BT (3.9 um)	2.79 K
BT Anomaly (3.9 um)	2.01 K
Maximum Observed - Clear RTM BT (3.9 um)	6.02 K
Maximum Observed BTD (3.9-10/11/12 um)	11.51 K
Observed - Background BTD (3.9-10/11/12 um)	2.19 K
BTD Anomaly (3.9-10/11/12 um)	2.54 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	0.73
Fraction of Surrounding Red Channel Pixels that are Brighter	0.99
Maximum Radiative Power	12.82 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	45.70°
Mean Solar Zenith Angle	17.30°
Mean Glint Angle	43.80°
Water Fraction	0.00
Total Pixel Area	5.70 km²
Latest Satellite Imagery:	None Available
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Next Generation Fire System (NGFS) - Experimental