Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-04-16
Time:	09:15:54
Production Date and Time:	2025-04-16 09:16:36 UTC
Primary Instrument:	GOES-18 ABI
Wmo Spacecraft Id:	665
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadM2-M6C14_G18_s20251060915544_e20251060916002_c20251060916060.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadM2-M6C14_G18_s20251060914544_e20251060915002_c20251060915053.nc,OR_ABI-L1b-RadM2-M6C14_G18_s20251060913544_e20251060914002_c20251060914047.nc,OR_ABI-L1b-RadM2-M6C14_G18_s20251060912544_e20251060913002_c20251060913060.nc,OR_ABI-L1b-RadM2-M6C14_G18_s20251060911544_e20251060912001_c20251060912052.nc
Number Of Thermal Anomaly Alerts:	3

Basic Information
State/Province(s)	AK
Country/Countries	United States
County/Locality(s)	Southeast Fairbanks Census Area, AK
NWS WFO	Unknown
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-04-16 09:15:57UTC
Radiative Center (Lat, Lon):	63.746944°, -146.404160°
Nearby Counties (meeting alert criteria):	Southeast Fairbanks Census Area (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	24.97 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	262.96 K
Observed - Background BT (3.9 um)	5.95 K
BT Anomaly (3.9 um)	3.10 K
Maximum Observed - Clear RTM BT (3.9 um)	0.73 K
Maximum Observed BTD (3.9-10/11/12 um)	15.70 K
Observed - Background BTD (3.9-10/11/12 um)	5.34 K
BTD Anomaly (3.9-10/11/12 um)	2.19 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	-999.00 K
Image Interval	-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.92
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	24.97 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	73.00°
Mean Solar Zenith Angle	106.20°
Mean Glint Angle	33.30°
Water Fraction	0.00
Total Pixel Area	27.40 km²
Latest Satellite Imagery:	Alaska_C_750_m Alaska_EC_750_m Alaska_Full_1750_m Alaska_SC_750_m Alaska_SE_750_m
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Basic Information
State/Province(s)	AK
Country/Countries	United States
County/Locality(s)	Southeast Fairbanks Census Area, AK
NWS WFO	Unknown
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-04-16 09:15:57UTC
Radiative Center (Lat, Lon):	63.740276°, -146.309998°
Nearby Counties (meeting alert criteria):	Southeast Fairbanks Census Area (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	17.24 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	262.06 K
Observed - Background BT (3.9 um)	5.46 K
BT Anomaly (3.9 um)	2.59 K
Maximum Observed - Clear RTM BT (3.9 um)	-0.66 K
Maximum Observed BTD (3.9-10/11/12 um)	15.57 K
Observed - Background BTD (3.9-10/11/12 um)	5.32 K
BTD Anomaly (3.9-10/11/12 um)	2.18 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	-999.00 K
Image Interval	-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.85
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	17.24 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	73.00°
Mean Solar Zenith Angle	106.20°
Mean Glint Angle	33.30°
Water Fraction	0.00
Total Pixel Area	13.70 km²
Latest Satellite Imagery:	Alaska_C_750_m Alaska_EC_750_m Alaska_Full_1750_m Alaska_SC_750_m Alaska_SE_750_m
Show More ▲ Show Less ▼ View all event imagery »

Basic Information
State/Province(s)	AK
Country/Countries	United States
County/Locality(s)	Southeast Fairbanks Census Area, AK
NWS WFO	Unknown
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-04-16 09:15:57UTC
Radiative Center (Lat, Lon):	63.742779°, -146.219452°
Nearby Counties (meeting alert criteria):	Southeast Fairbanks Census Area (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	22.59 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	262.06 K
Observed - Background BT (3.9 um)	5.49 K
BT Anomaly (3.9 um)	2.25 K
Maximum Observed - Clear RTM BT (3.9 um)	-1.87 K
Maximum Observed BTD (3.9-10/11/12 um)	15.91 K
Observed - Background BTD (3.9-10/11/12 um)	5.26 K
BTD Anomaly (3.9-10/11/12 um)	2.19 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	-999.00 K
Image Interval	-999.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.81
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	22.59 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	73.00°
Mean Solar Zenith Angle	106.20°
Mean Glint Angle	33.30°
Water Fraction	0.00
Total Pixel Area	13.70 km²
Latest Satellite Imagery:	Alaska_C_750_m Alaska_EC_750_m Alaska_Full_1750_m Alaska_SC_750_m Alaska_SE_750_m
Show More ▲ Show Less ▼ View all event imagery »

Next Generation Fire System (NGFS) - Experimental