Next Generation Fire System (NGFS) -- CIMSS

Date:	2024-06-30
Time:	21:00:22
Production Date and Time:	2024-06-30 21:11:48 UTC
Primary Instrument:	GOES-18 ABI
Wmo Spacecraft Id:	665
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadF-M6C14_G18_s20241822100221_e20241822109529_c20241822109598.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadF-M6C14_G18_s20241822050220_e20241822059529_c20241822059590.nc
Number Of Thermal Anomaly Alerts:	3

Basic Information
State/Province(s)	AK
Country/Countries	USA
County/Locality(s)	Northwest Arctic Borough, AK
NWS WFO	Unknown
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2024-06-30 21:00:25UTC
Radiative Center (Lat, Lon):	66.720000°, -160.080000°
Nearby Counties (meeting alert criteria):	Northwest Arctic Borough (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	97.00 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk, Known Incident: NALUK (MEDIUM, tdiff=0.07472 days, PERIMETER)
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	299.39 K
Observed - Background BT (3.9 um)	7.64 K
BT Anomaly (3.9 um)	4.11 K
Maximum Observed - Clear RTM BT (3.9 um)	14.87 K
Maximum Observed BTD (3.9-10/11/12 um)	21.64 K
Observed - Background BTD (3.9-10/11/12 um)	7.27 K
BTD Anomaly (3.9-10/11/12 um)	5.21 K
Similar Pixel Count	14
BT Time Tendency (3.9 um)	2.10 K
Image Interval	10.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.83
Fraction of Surrounding Red Channel Pixels that are Brighter	0.86
Maximum Radiative Power	97.00 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	78.00°
Mean Solar Zenith Angle	46.40°
Mean Glint Angle	123.80°
Water Fraction	0.00
Total Pixel Area	27.50 km²
Latest Satellite Imagery:	Alaska_C_750_m Alaska_Full_1750_m Alaska_WC_750_m
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Basic Information
State/Province(s)	Yukon
Country/Countries	Canada
County/Locality(s)	Canada
NWS WFO	N/A
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2024-06-30 21:00:26UTC
Radiative Center (Lat, Lon):	63.210000°, -136.670000°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	238.37 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	305.44 K
Observed - Background BT (3.9 um)	9.92 K
BT Anomaly (3.9 um)	6.58 K
Maximum Observed - Clear RTM BT (3.9 um)	15.14 K
Maximum Observed BTD (3.9-10/11/12 um)	33.46 K
Observed - Background BTD (3.9-10/11/12 um)	10.50 K
BTD Anomaly (3.9-10/11/12 um)	4.85 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	9.70 K
Image Interval	10.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.30
Fraction of Surrounding Red Channel Pixels that are Brighter	0.40
Maximum Radiative Power	122.32 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	72.00°
Mean Solar Zenith Angle	40.00°
Mean Glint Angle	112.00°
Water Fraction	0.00
Total Pixel Area	30.90 km²
Latest Satellite Imagery:	None Available
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Basic Information
State/Province(s)	Yukon
Country/Countries	Canada
County/Locality(s)	Canada
NWS WFO	N/A
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2024-06-30 21:00:25UTC
Radiative Center (Lat, Lon):	62.260000°, -140.270000°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	221.51 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	309.69 K
Observed - Background BT (3.9 um)	13.00 K
BT Anomaly (3.9 um)	12.50 K
Maximum Observed - Clear RTM BT (3.9 um)	18.16 K
Maximum Observed BTD (3.9-10/11/12 um)	35.55 K
Observed - Background BTD (3.9-10/11/12 um)	13.10 K
BTD Anomaly (3.9-10/11/12 um)	7.75 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	9.10 K
Image Interval	10.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.28
Fraction of Surrounding Red Channel Pixels that are Brighter	0.58
Maximum Radiative Power	136.04 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	71.10°
Mean Solar Zenith Angle	39.30°
Mean Glint Angle	110.20°
Water Fraction	0.00
Total Pixel Area	29.40 km²
Latest Satellite Imagery:	None Available
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Next Generation Fire System (NGFS)