Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2024-08-19
Time:	18:36:17
Production Date and Time:	2024-08-19 18:40:43 UTC
Primary Instrument:	GOES-18 ABI
Wmo Spacecraft Id:	665
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G18_s20242321836170_e20242321838543_c20242321839032.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G18_s20242321831170_e20242321833543_c20242321834041.nc
Number Of Thermal Anomaly Alerts:	4

Basic Information
State/Province(s)	CA
Country/Countries	USA
County/Locality(s)	Sacramento County, CA
NWS WFO	Sacramento CA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2024-08-19 18:36:53UTC
Radiative Center (Lat, Lon):	38.360000°, -121.110000°
Nearby Counties (meeting alert criteria):	Sacramento County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	16.42 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	316.15 K
Observed - Background BT (3.9 um)	4.56 K
BT Anomaly (3.9 um)	3.06 K
Maximum Observed - Clear RTM BT (3.9 um)	13.96 K
Maximum Observed BTD (3.9-10/11/12 um)	14.88 K
Observed - Background BTD (3.9-10/11/12 um)	3.49 K
BTD Anomaly (3.9-10/11/12 um)	3.95 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	0.91
Fraction of Surrounding Red Channel Pixels that are Brighter	0.88
Maximum Radiative Power	16.42 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	47.70°
Mean Solar Zenith Angle	32.60°
Mean Glint Angle	64.70°
Water Fraction	0.00
Total Pixel Area	6.70 km²
Latest Satellite Imagery:	CAcentral_750_m
Show More ▲ Show Less ▼ View all event imagery »

Basic Information
State/Province(s)	CA
Country/Countries	USA
County/Locality(s)	Monterey County, CA
NWS WFO	San Francisco CA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2024-08-19 18:37:23UTC
Radiative Center (Lat, Lon):	35.840000°, -121.050000°
Nearby Counties (meeting alert criteria):	Monterey County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	26.97 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	314.47 K
Observed - Background BT (3.9 um)	6.48 K
BT Anomaly (3.9 um)	2.50 K
Maximum Observed - Clear RTM BT (3.9 um)	11.48 K
Maximum Observed BTD (3.9-10/11/12 um)	13.53 K
Observed - Background BTD (3.9-10/11/12 um)	6.19 K
BTD Anomaly (3.9-10/11/12 um)	4.60 K
Similar Pixel Count	2
BT Time Tendency (3.9 um)	4.50 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.59
Fraction of Surrounding Red Channel Pixels that are Brighter	0.79
Maximum Radiative Power	26.97 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	45.10°
Mean Solar Zenith Angle	30.80°
Mean Glint Angle	59.70°
Water Fraction	0.00
Total Pixel Area	6.40 km²
Latest Satellite Imagery:	CAcentral_750_m CAs_750_m
Show More ▲ Show Less ▼ View all event imagery »

Basic Information
State/Province(s)	AZ
Country/Countries	USA
County/Locality(s)	Mohave County, AZ
NWS WFO	Las Vegas NV
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2024-08-19 18:37:24UTC
Radiative Center (Lat, Lon):	35.120000°, -114.600000°
Nearby Counties (meeting alert criteria):	Mohave County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	164.32 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	334.88 K
Observed - Background BT (3.9 um)	9.71 K
BT Anomaly (3.9 um)	4.42 K
Maximum Observed - Clear RTM BT (3.9 um)	10.00 K
Maximum Observed BTD (3.9-10/11/12 um)	30.95 K
Observed - Background BTD (3.9-10/11/12 um)	9.80 K
BTD Anomaly (3.9-10/11/12 um)	6.56 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	5.70 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.48
Fraction of Surrounding Red Channel Pixels that are Brighter	0.94
Maximum Radiative Power	83.52 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	47.50°
Mean Solar Zenith Angle	26.70°
Mean Glint Angle	59.40°
Water Fraction	0.00
Total Pixel Area	13.70 km²
Latest Satellite Imagery:	AZsw-CAse_750_m CAs_750_m NVs-UTsw-AZnw_750_m
Show More ▲ Show Less ▼ View all event imagery »

Basic Information
State/Province(s)	Unknown
Country/Countries	Mexico
County/Locality(s)	Mexico
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2024-08-19 18:37:24UTC
Radiative Center (Lat, Lon):	31.130000°, -115.730000°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	13.09 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	320.18 K
Observed - Background BT (3.9 um)	2.27 K
BT Anomaly (3.9 um)	1.17 K
Maximum Observed - Clear RTM BT (3.9 um)	4.21 K
Maximum Observed BTD (3.9-10/11/12 um)	16.87 K
Observed - Background BTD (3.9-10/11/12 um)	2.25 K
BTD Anomaly (3.9-10/11/12 um)	2.04 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	1.30 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.61
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	13.09 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	43.20°
Mean Solar Zenith Angle	24.30°
Mean Glint Angle	51.20°
Water Fraction	0.00
Total Pixel Area	6.20 km²
Latest Satellite Imagery:	None Available
Show More ▲ Show Less ▼ View all event imagery »

Next Generation Fire System (NGFS) - Experimental