Next Generation Fire System (NGFS) -- CIMSS

Date:	2025-01-23
Time:	20:01:17
Production Date and Time:	2025-01-23 20:05:47 UTC
Primary Instrument:	GOES-18 ABI
Wmo Spacecraft Id:	665
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G18_s20250232001175_e20250232003548_c20250232004022.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G18_s20250231956175_e20250231958548_c20250231959040.nc
Number Of Thermal Anomaly Alerts:	3

Basic Information
State/Province(s)	CA
Country/Countries	USA
County/Locality(s)	Plumas County, CA
NWS WFO	Sacramento CA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-01-23 20:01:53UTC
Radiative Center (Lat, Lon):	40.320000°, -121.080000°
Nearby Counties (meeting alert criteria):	Plumas County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	28.40 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	291.19 K
Observed - Background BT (3.9 um)	10.03 K
BT Anomaly (3.9 um)	4.17 K
Maximum Observed - Clear RTM BT (3.9 um)	14.97 K
Maximum Observed BTD (3.9-10/11/12 um)	13.68 K
Observed - Background BTD (3.9-10/11/12 um)	9.28 K
BTD Anomaly (3.9-10/11/12 um)	6.26 K
Similar Pixel Count	2
BT Time Tendency (3.9 um)	3.30 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.52
Fraction of Surrounding Red Channel Pixels that are Brighter	0.29
Maximum Radiative Power	28.40 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	49.70°
Mean Solar Zenith Angle	59.90°
Mean Glint Angle	105.00°
Water Fraction	0.00
Total Pixel Area	14.20 km²
Latest Satellite Imagery:	ORsw-CAn_750_m
Show More ▲ Show Less ▼ View all event imagery »

Basic Information
State/Province(s)	CA
Country/Countries	USA
County/Locality(s)	Los Angeles County, CA
NWS WFO	Los Angeles/Oxnard CA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-01-23 20:02:23UTC
Radiative Center (Lat, Lon):	34.040000°, -118.580000°
Nearby Counties (meeting alert criteria):	Los Angeles County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	9.58 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Critical SPC Risk and Red Flag Warning, Known Incident: PALISADES (HIGH, tdiff=1.84624 days, PERIMET
Event Priority Ranking	1
Maximum Observed BT (3.9 um)	313.21 K
Observed - Background BT (3.9 um)	9.99 K
BT Anomaly (3.9 um)	9.91 K
Maximum Observed - Clear RTM BT (3.9 um)	19.30 K
Maximum Observed BTD (3.9-10/11/12 um)	8.37 K
Observed - Background BTD (3.9-10/11/12 um)	2.64 K
BTD Anomaly (3.9-10/11/12 um)	4.51 K
Similar Pixel Count	15
BT Time Tendency (3.9 um)	1.40 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.45
Fraction of Surrounding Red Channel Pixels that are Brighter	0.58
Maximum Radiative Power	9.58 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	44.40°
Mean Solar Zenith Angle	53.50°
Mean Glint Angle	93.00°
Water Fraction	1.00
Total Pixel Area	6.30 km²
Latest Satellite Imagery:	AZsw-CAse_750_m CAcentral_750_m CAs_750_m NVs-UTsw-AZnw_750_m
Show More ▲ Show Less ▼ View all event imagery »

Basic Information
State/Province(s)	Sonora
Country/Countries	Mexico
County/Locality(s)	Altar, Sonora
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-01-23 20:02:24UTC
Radiative Center (Lat, Lon):	31.040000°, -112.030000°
Nearby Counties (meeting alert criteria):	Altar (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	48.43 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	318.72 K
Observed - Background BT (3.9 um)	11.76 K
BT Anomaly (3.9 um)	10.76 K
Maximum Observed - Clear RTM BT (3.9 um)	27.77 K
Maximum Observed BTD (3.9-10/11/12 um)	17.79 K
Observed - Background BTD (3.9-10/11/12 um)	10.50 K
BTD Anomaly (3.9-10/11/12 um)	13.52 K
Similar Pixel Count	2
BT Time Tendency (3.9 um)	10.30 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.97
Fraction of Surrounding Red Channel Pixels that are Brighter	0.58
Maximum Radiative Power	48.43 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	45.40°
Mean Solar Zenith Angle	50.70°
Mean Glint Angle	90.30°
Water Fraction	0.00
Total Pixel Area	6.60 km²
Latest Satellite Imagery:	None Available
Show More ▲ Show Less ▼ View all event imagery »

Next Generation Fire System (NGFS)