Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-04-12
Time:	09:20:22
Production Date and Time:	2025-04-12 09:31:44 UTC
Primary Instrument:	GOES-18 ABI
Wmo Spacecraft Id:	665
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadF-M6C14_G18_s20251020920221_e20251020929530_c20251020929586.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadF-M6C14_G18_s20251020910221_e20251020919530_c20251020919590.nc,OR_ABI-L1b-RadF-M6C14_G18_s20251020900259_e20251020909527_c20251020909574.nc,OR_ABI-L1b-RadF-M6C14_G18_s20251020850241_e20251020859527_c20251020859580.nc,OR_ABI-L1b-RadF-M6C14_G18_s20251020840223_e20251020849527_c20251020849588.nc
Number Of Thermal Anomaly Alerts:	10

Possible Wildfire

Basic Information
State/Province(s)	AK
Country/Countries	United States
County/Locality(s)	North Slope Borough, AK
NWS WFO	Unknown
Identification Method	Enhanced Contextual (Bias)
Mean Object Date/Time	2025-04-12 09:20:25UTC
Radiative Center (Lat, Lon):	69.237221°, -144.873611°
Nearby Counties (meeting alert criteria):	North Slope Borough (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	0.00 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	256.61 K
Observed - Background BT (3.9 um)	999.99 K
BT Anomaly (3.9 um)	-999.00 K
Maximum Observed - Clear RTM BT (3.9 um)	11.66 K
Maximum Observed BTD (3.9-10/11/12 um)	21.28 K
Observed - Background BTD (3.9-10/11/12 um)	999.99 K
BTD Anomaly (3.9-10/11/12 um)	-999.00 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	7.10 K
Image Interval	30.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.00
Fraction of Surrounding Red Channel Pixels that are Brighter	0.00
Maximum Radiative Power	-9999999.99 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	78.90°
Mean Solar Zenith Angle	102.30°
Mean Glint Angle	23.60°
Water Fraction	0.00
Total Pixel Area	20.80 km²
Latest Satellite Imagery:	Alaska_Full_1750_m
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Possible Wildfire

Basic Information
State/Province(s)	AK
Country/Countries	United States
County/Locality(s)	North Slope Borough, AK
NWS WFO	Unknown
Identification Method	Enhanced Contextual (Bias)
Mean Object Date/Time	2025-04-12 09:20:25UTC
Radiative Center (Lat, Lon):	69.203056°, -142.793060°
Nearby Counties (meeting alert criteria):	North Slope Borough (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	0.00 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	263.14 K
Observed - Background BT (3.9 um)	999.99 K
BT Anomaly (3.9 um)	-999.00 K
Maximum Observed - Clear RTM BT (3.9 um)	18.76 K
Maximum Observed BTD (3.9-10/11/12 um)	10.41 K
Observed - Background BTD (3.9-10/11/12 um)	999.99 K
BTD Anomaly (3.9-10/11/12 um)	-999.00 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	4.30 K
Image Interval	30.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.00
Fraction of Surrounding Red Channel Pixels that are Brighter	0.00
Maximum Radiative Power	-9999999.99 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	78.80°
Mean Solar Zenith Angle	102.40°
Mean Glint Angle	23.80°
Water Fraction	0.00
Total Pixel Area	20.50 km²
Latest Satellite Imagery:	Alaska_Full_1750_m
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Possible Wildfire

Basic Information
State/Province(s)	AK
Country/Countries	United States
County/Locality(s)	North Slope Borough, AK
NWS WFO	Unknown
Identification Method	Enhanced Contextual (Bias)
Mean Object Date/Time	2025-04-12 09:20:25UTC
Radiative Center (Lat, Lon):	69.149170°, -144.954727°
Nearby Counties (meeting alert criteria):	North Slope Borough (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	0.00 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	256.13 K
Observed - Background BT (3.9 um)	999.99 K
BT Anomaly (3.9 um)	-999.00 K
Maximum Observed - Clear RTM BT (3.9 um)	11.96 K
Maximum Observed BTD (3.9-10/11/12 um)	21.64 K
Observed - Background BTD (3.9-10/11/12 um)	999.99 K
BTD Anomaly (3.9-10/11/12 um)	-999.00 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	4.30 K
Image Interval	30.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.00
Fraction of Surrounding Red Channel Pixels that are Brighter	0.00
Maximum Radiative Power	-9999999.99 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	78.80°
Mean Solar Zenith Angle	102.40°
Mean Glint Angle	23.70°
Water Fraction	0.00
Total Pixel Area	20.70 km²
Latest Satellite Imagery:	Alaska_Full_1750_m
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Possible Wildfire

Basic Information
State/Province(s)	AK
Country/Countries	United States
County/Locality(s)	North Slope Borough, AK
NWS WFO	Unknown
Identification Method	Enhanced Contextual (Bias)
Mean Object Date/Time	2025-04-12 09:20:25UTC
Radiative Center (Lat, Lon):	69.120003°, -144.083618°
Nearby Counties (meeting alert criteria):	North Slope Borough (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	0.00 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	258.66 K
Observed - Background BT (3.9 um)	999.99 K
BT Anomaly (3.9 um)	-999.00 K
Maximum Observed - Clear RTM BT (3.9 um)	12.07 K
Maximum Observed BTD (3.9-10/11/12 um)	15.38 K
Observed - Background BTD (3.9-10/11/12 um)	999.99 K
BTD Anomaly (3.9-10/11/12 um)	-999.00 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	4.30 K
Image Interval	30.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.00
Fraction of Surrounding Red Channel Pixels that are Brighter	0.00
Maximum Radiative Power	-9999999.99 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	78.80°
Mean Solar Zenith Angle	102.40°
Mean Glint Angle	23.80°
Water Fraction	0.00
Total Pixel Area	144.50 km²
Latest Satellite Imagery:	Alaska_Full_1750_m
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Possible Wildfire

Basic Information
State/Province(s)	AK
Country/Countries	United States
County/Locality(s)	North Slope Borough, AK
NWS WFO	Unknown
Identification Method	Enhanced Contextual (Bias)
Mean Object Date/Time	2025-04-12 09:20:25UTC
Radiative Center (Lat, Lon):	69.151665°, -143.065552°
Nearby Counties (meeting alert criteria):	North Slope Borough (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	0.00 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	263.49 K
Observed - Background BT (3.9 um)	999.99 K
BT Anomaly (3.9 um)	-999.00 K
Maximum Observed - Clear RTM BT (3.9 um)	13.85 K
Maximum Observed BTD (3.9-10/11/12 um)	10.13 K
Observed - Background BTD (3.9-10/11/12 um)	999.99 K
BTD Anomaly (3.9-10/11/12 um)	-999.00 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	3.80 K
Image Interval	30.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.00
Fraction of Surrounding Red Channel Pixels that are Brighter	0.00
Maximum Radiative Power	-9999999.99 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	-0.03 MW
Mean Viewing Angle	78.60°
Mean Solar Zenith Angle	102.60°
Mean Glint Angle	24.20°
Water Fraction	0.00
Total Pixel Area	1514.80 km²
Latest Satellite Imagery:	Alaska_Full_1750_m
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Possible Wildfire

Basic Information
State/Province(s)	Yukon
Country/Countries	Canada
County/Locality(s)	Yukon, Yukon
NWS WFO	N/A
Identification Method	Enhanced Contextual (Bias)
Mean Object Date/Time	2025-04-12 09:20:39UTC
Radiative Center (Lat, Lon):	61.115002°, -139.972778°
Nearby Counties (meeting alert criteria):	Yukon (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	11.76 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	258.88 K
Observed - Background BT (3.9 um)	999.99 K
BT Anomaly (3.9 um)	-999.00 K
Maximum Observed - Clear RTM BT (3.9 um)	14.15 K
Maximum Observed BTD (3.9-10/11/12 um)	10.03 K
Observed - Background BTD (3.9-10/11/12 um)	999.99 K
BTD Anomaly (3.9-10/11/12 um)	-999.00 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	1.80 K
Image Interval	30.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.00
Fraction of Surrounding Red Channel Pixels that are Brighter	0.00
Maximum Radiative Power	3.62 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	-0.01 MW
Mean Viewing Angle	69.90°
Mean Solar Zenith Angle	110.50°
Mean Glint Angle	40.70°
Water Fraction	0.00
Total Pixel Area	1013.50 km²
Latest Satellite Imagery:	None Available
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Possible Wildfire

Basic Information
State/Province(s)	Yukon
Country/Countries	Canada
County/Locality(s)	Yukon, Yukon
NWS WFO	N/A
Identification Method	Enhanced Contextual (Bias)
Mean Object Date/Time	2025-04-12 09:20:40UTC
Radiative Center (Lat, Lon):	60.458611°, -139.305283°
Nearby Counties (meeting alert criteria):	Yukon (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	0.00 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	256.61 K
Observed - Background BT (3.9 um)	999.99 K
BT Anomaly (3.9 um)	-999.00 K
Maximum Observed - Clear RTM BT (3.9 um)	12.44 K
Maximum Observed BTD (3.9-10/11/12 um)	13.09 K
Observed - Background BTD (3.9-10/11/12 um)	999.99 K
BTD Anomaly (3.9-10/11/12 um)	-999.00 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	1.20 K
Image Interval	30.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.00
Fraction of Surrounding Red Channel Pixels that are Brighter	0.00
Maximum Radiative Power	-9999999.99 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	69.20°
Mean Solar Zenith Angle	111.10°
Mean Glint Angle	42.10°
Water Fraction	0.00
Total Pixel Area	180.00 km²
Latest Satellite Imagery:	None Available
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Possible Wildfire

Basic Information
State/Province(s)	Yukon
Country/Countries	Canada
County/Locality(s)	Yukon, Yukon
NWS WFO	N/A
Identification Method	Enhanced Contextual (Bias)
Mean Object Date/Time	2025-04-12 09:20:40UTC
Radiative Center (Lat, Lon):	60.341946°, -139.736115°
Nearby Counties (meeting alert criteria):	Yukon (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	0.00 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	254.34 K
Observed - Background BT (3.9 um)	999.99 K
BT Anomaly (3.9 um)	-999.00 K
Maximum Observed - Clear RTM BT (3.9 um)	10.52 K
Maximum Observed BTD (3.9-10/11/12 um)	10.76 K
Observed - Background BTD (3.9-10/11/12 um)	999.99 K
BTD Anomaly (3.9-10/11/12 um)	-999.00 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	4.50 K
Image Interval	30.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.00
Fraction of Surrounding Red Channel Pixels that are Brighter	0.00
Maximum Radiative Power	-9999999.99 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	69.10°
Mean Solar Zenith Angle	111.20°
Mean Glint Angle	42.30°
Water Fraction	0.00
Total Pixel Area	22.40 km²
Latest Satellite Imagery:	None Available
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Possible Wildfire

Basic Information
State/Province(s)	Yukon
Country/Countries	Canada
County/Locality(s)	Yukon, Yukon
NWS WFO	N/A
Identification Method	Enhanced Contextual (Bias)
Mean Object Date/Time	2025-04-12 09:20:40UTC
Radiative Center (Lat, Lon):	60.395832°, -139.020279°
Nearby Counties (meeting alert criteria):	Yukon (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	0.00 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	255.13 K
Observed - Background BT (3.9 um)	999.99 K
BT Anomaly (3.9 um)	-999.00 K
Maximum Observed - Clear RTM BT (3.9 um)	12.16 K
Maximum Observed BTD (3.9-10/11/12 um)	10.10 K
Observed - Background BTD (3.9-10/11/12 um)	999.99 K
BTD Anomaly (3.9-10/11/12 um)	-999.00 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	4.30 K
Image Interval	30.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.00
Fraction of Surrounding Red Channel Pixels that are Brighter	0.00
Maximum Radiative Power	-9999999.99 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	69.00°
Mean Solar Zenith Angle	111.20°
Mean Glint Angle	42.30°
Water Fraction	0.00
Total Pixel Area	67.10 km²
Latest Satellite Imagery:	None Available
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Possible Wildfire

Basic Information
State/Province(s)	AK
Country/Countries	United States
County/Locality(s)	Yakutat City and Borough, AK
NWS WFO	Unknown
Identification Method	Enhanced Contextual (Bias)
Mean Object Date/Time	2025-04-12 09:20:41UTC
Radiative Center (Lat, Lon):	58.980835°, -137.553894°
Nearby Counties (meeting alert criteria):	Yakutat City and Borough (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	0.00 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	257.08 K
Observed - Background BT (3.9 um)	999.99 K
BT Anomaly (3.9 um)	-999.00 K
Maximum Observed - Clear RTM BT (3.9 um)	13.38 K
Maximum Observed BTD (3.9-10/11/12 um)	10.49 K
Observed - Background BTD (3.9-10/11/12 um)	999.99 K
BTD Anomaly (3.9-10/11/12 um)	-999.00 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	6.20 K
Image Interval	30.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.00
Fraction of Surrounding Red Channel Pixels that are Brighter	0.00
Maximum Radiative Power	-9999999.99 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	67.50°
Mean Solar Zenith Angle	112.60°
Mean Glint Angle	45.30°
Water Fraction	0.00
Total Pixel Area	62.60 km²
Latest Satellite Imagery:	Alaska_Full_1750_m Alaska_SC_750_m Alaska_SE_750_m
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Next Generation Fire System (NGFS) - Experimental

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