Next Generation Fire System (NGFS) -- CIMSS

Date:	2023-06-20
Time:	08:40:30
Production Date and Time:	2023-06-20 08:51:33 UTC
Primary Instrument:	GOES-18 ABI
Wmo Spacecraft Id:	665
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadF-M6C14_G18_s20231710840225_e20231710849533_c20231710849591.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadF-M6C14_G18_s20231710830225_e20231710839533_c20231710839581.nc
Number Of Thermal Anomaly Alerts:	4

Basic Information
State/Province(s)	AK
Country/Countries	USA
County/Locality(s)	Yukon-Koyukuk Census Area, AK
NWS WFO	Unknown
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2023-06-20 08:40:25UTC
Radiative Center (Lat, Lon):	63.810000°, -156.210000°
Nearby Counties (meeting alert criteria):	Yukon-Koyukuk Census Area (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	244.45 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	285.32 K
Observed - Background BT (3.9 um)	14.03 K
BT Anomaly (3.9 um)	4.78 K
Maximum Observed - Clear RTM BT (3.9 um)	7.30 K
Maximum Observed BTD (3.9-10/11/12 um)	32.55 K
Observed - Background BTD (3.9-10/11/12 um)	13.91 K
BTD Anomaly (3.9-10/11/12 um)	4.23 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	11.10 K
Image Interval	10.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.76
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	123.78 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	74.40°
Mean Solar Zenith Angle	90.30°
Mean Glint Angle	16.20°
Water Fraction	0.00
Total Pixel Area	39.70 km²
Latest Satellite Imagery:	Alaska_C_750_m Alaska_EC_750_m Alaska_Full_1750_m Alaska_SC_750_m Alaska_SE_750_m Alaska_SW_750_m Alaska_WC_750_m
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Basic Information
State/Province(s)	Unknown
Country/Countries	Canada
County/Locality(s)	Canada
NWS WFO	N/A
Identification Method	Enhanced Contextual (Bias)
Mean Object Date/Time	2023-06-20 08:40:41UTC
Radiative Center (Lat, Lon):	56.330000°, -124.800000°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	997.21 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	323.06 K
Observed - Background BT (3.9 um)	45.66 K
BT Anomaly (3.9 um)	13.45 K
Maximum Observed - Clear RTM BT (3.9 um)	44.91 K
Maximum Observed BTD (3.9-10/11/12 um)	45.84 K
Observed - Background BTD (3.9-10/11/12 um)	43.91 K
BTD Anomaly (3.9-10/11/12 um)	13.80 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	-4.50 K
Image Interval	10.00 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	289.99 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	65.50°
Mean Solar Zenith Angle	100.10°
Mean Glint Angle	35.90°
Water Fraction	0.00
Total Pixel Area	163.90 km²
Latest Satellite Imagery:	None Available
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Basic Information
State/Province(s)	Unknown
Country/Countries	Canada
County/Locality(s)	Canada
NWS WFO	N/A
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2023-06-20 08:40:41UTC
Radiative Center (Lat, Lon):	56.040000°, -124.070000°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	18.27 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	280.92 K
Observed - Background BT (3.9 um)	3.94 K
BT Anomaly (3.9 um)	2.42 K
Maximum Observed - Clear RTM BT (3.9 um)	5.14 K
Maximum Observed BTD (3.9-10/11/12 um)	5.65 K
Observed - Background BTD (3.9-10/11/12 um)	3.91 K
BTD Anomaly (3.9-10/11/12 um)	5.64 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	-0.90 K
Image Interval	10.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.56
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	10.44 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	65.30°
Mean Solar Zenith Angle	100.30°
Mean Glint Angle	36.40°
Water Fraction	1.00
Total Pixel Area	23.30 km²
Latest Satellite Imagery:	None Available
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Basic Information
State/Province(s)	Unknown
Country/Countries	Canada
County/Locality(s)	Canada
NWS WFO	N/A
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2023-06-20 08:40:41UTC
Radiative Center (Lat, Lon):	55.890000°, -124.520000°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	48.19 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	285.81 K
Observed - Background BT (3.9 um)	9.31 K
BT Anomaly (3.9 um)	3.75 K
Maximum Observed - Clear RTM BT (3.9 um)	9.80 K
Maximum Observed BTD (3.9-10/11/12 um)	10.43 K
Observed - Background BTD (3.9-10/11/12 um)	9.01 K
BTD Anomaly (3.9-10/11/12 um)	4.73 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	0.20 K
Image Interval	10.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.54
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	24.93 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	65.10°
Mean Solar Zenith Angle	100.50°
Mean Glint Angle	36.80°
Water Fraction	0.00
Total Pixel Area	34.50 km²
Latest Satellite Imagery:	None Available
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Next Generation Fire System (NGFS)