Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-07-07
Time:	00:10:23
Production Date and Time:	2025-07-07 00:21:55 UTC
Primary Instrument:	GOES-18 ABI
Wmo Spacecraft Id:	665
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadF-M6C14_G18_s20251880010238_e20251880019546_c20251880020011.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadF-M6C14_G18_s20251880000238_e20251880009546_c20251880010006.nc
Number Of Thermal Anomaly Alerts:	3

Basic Information
State/Province(s)	AK
Country/Countries	United States
County/Locality(s)	Yukon-Koyukuk Census Area, AK
NWS WFO	Unknown
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-07-07 00:10:26UTC
Radiative Center (Lat, Lon):	67.218330°, -151.933060°
Nearby Counties (meeting alert criteria):	Yukon-Koyukuk Census Area (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	386.16 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	307.84 K
Observed - Background BT (3.9 um)	11.24 K
BT Anomaly (3.9 um)	13.22 K
Maximum Observed - Clear RTM BT (3.9 um)	14.56 K
Maximum Observed BTD (3.9-10/11/12 um)	23.16 K
Observed - Background BTD (3.9-10/11/12 um)	12.17 K
BTD Anomaly (3.9-10/11/12 um)	12.22 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	11.40 K
Image Interval	10.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.49
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	196.28 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	77.30°
Mean Solar Zenith Angle	48.10°
Mean Glint Angle	106.40°
Water Fraction	0.00
Total Pixel Area	36.30 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)	Yukon
Country/Countries	Canada
County/Locality(s)	Yukon, Yukon
NWS WFO	N/A
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-07-07 00:10:27UTC
Radiative Center (Lat, Lon):	63.918056°, -136.115280°
Nearby Counties (meeting alert criteria):	Yukon (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	183.06 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	303.24 K
Observed - Background BT (3.9 um)	9.65 K
BT Anomaly (3.9 um)	5.62 K
Maximum Observed - Clear RTM BT (3.9 um)	16.16 K
Maximum Observed BTD (3.9-10/11/12 um)	19.20 K
Observed - Background BTD (3.9-10/11/12 um)	9.82 K
BTD Anomaly (3.9-10/11/12 um)	4.88 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	8.50 K
Image Interval	10.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.62
Fraction of Surrounding Red Channel Pixels that are Brighter	0.69
Maximum Radiative Power	93.05 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	72.80°
Mean Solar Zenith Angle	50.80°
Mean Glint Angle	102.50°
Water Fraction	0.00
Total Pixel Area	27.00 km²
Latest Satellite Imagery:	None Available
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Basic Information
State/Province(s)	Yukon
Country/Countries	Canada
County/Locality(s)	Yukon, Yukon
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-07-07 00:10:27UTC
Radiative Center (Lat, Lon):	63.728611°, -138.464172°
Nearby Counties (meeting alert criteria):	Yukon (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	102.47 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	304.47 K
Observed - Background BT (3.9 um)	9.60 K
BT Anomaly (3.9 um)	2.21 K
Maximum Observed - Clear RTM BT (3.9 um)	14.49 K
Maximum Observed BTD (3.9-10/11/12 um)	17.48 K
Observed - Background BTD (3.9-10/11/12 um)	9.44 K
BTD Anomaly (3.9-10/11/12 um)	2.29 K
Similar Pixel Count	2
BT Time Tendency (3.9 um)	9.10 K
Image Interval	10.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.59
Fraction of Surrounding Red Channel Pixels that are Brighter	0.41
Maximum Radiative Power	102.47 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	72.60°
Mean Solar Zenith Angle	49.80°
Mean Glint Angle	101.70°
Water Fraction	0.00
Total Pixel Area	13.40 km²
Latest Satellite Imagery:	None Available
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Next Generation Fire System (NGFS) - Experimental