Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-04-11
Time:	09:20:22
Production Date and Time:	2025-04-11 09:31:47 UTC
Primary Instrument:	GOES-18 ABI
Wmo Spacecraft Id:	665
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadF-M6C14_G18_s20251010920220_e20251010929528_c20251010929580.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadF-M6C14_G18_s20251010910220_e20251010919528_c20251010919578.nc,OR_ABI-L1b-RadF-M6C14_G18_s20251010900257_e20251010909526_c20251010909587.nc,OR_ABI-L1b-RadF-M6C14_G18_s20251010850239_e20251010859526_c20251010859579.nc,OR_ABI-L1b-RadF-M6C14_G18_s20251010840221_e20251010849526_c20251010849579.nc
Number Of Thermal Anomaly Alerts:	9

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	2025-04-11 09:20:25UTC
Radiative Center (Lat, Lon):	69.224167°, -144.119995°
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)	263.83 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)	18.82 K
Maximum Observed BTD (3.9-10/11/12 um)	10.16 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)	3.30 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	102.70°
Mean Glint Angle	24.10°
Water Fraction	0.00
Total Pixel Area	103.30 km²
Latest Satellite Imagery:	Alaska_Full_1750_m
Show More ▲ Show Less ▼ View all event imagery »

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	2025-04-11 09:20:25UTC
Radiative Center (Lat, Lon):	69.070274°, -145.096115°
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)	263.83 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)	16.32 K
Maximum Observed BTD (3.9-10/11/12 um)	10.20 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)	2.10 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	78.80°
Mean Solar Zenith Angle	102.80°
Mean Glint Angle	24.30°
Water Fraction	0.00
Total Pixel Area	20.50 km²
Latest Satellite Imagery:	Alaska_Full_1750_m
Show More ▲ Show Less ▼ View all event imagery »

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	2025-04-11 09:20:25UTC
Radiative Center (Lat, Lon):	68.964996°, -144.315552°
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)	263.32 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)	15.93 K
Maximum Observed BTD (3.9-10/11/12 um)	10.04 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)	2.80 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	0.00 MW
Mean Viewing Angle	78.60°
Mean Solar Zenith Angle	103.00°
Mean Glint Angle	24.60°
Water Fraction	0.00
Total Pixel Area	20.20 km²
Latest Satellite Imagery:	Alaska_Full_1750_m
Show More ▲ Show Less ▼ View all event imagery »

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	2025-04-11 09:20:25UTC
Radiative Center (Lat, Lon):	69.178055°, -144.794449°
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)	263.66 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)	15.52 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)	2.70 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	78.70°
Mean Solar Zenith Angle	102.80°
Mean Glint Angle	24.40°
Water Fraction	0.00
Total Pixel Area	163.40 km²
Latest Satellite Imagery:	Alaska_Full_1750_m
Show More ▲ Show Less ▼ View all event imagery »

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	2025-04-11 09:20:25UTC
Radiative Center (Lat, Lon):	69.193886°, -141.246674°
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)	266.86 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)	15.52 K
Maximum Observed BTD (3.9-10/11/12 um)	10.44 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)	4.10 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	-0.09 MW
Mean Viewing Angle	78.40°
Mean Solar Zenith Angle	103.10°
Mean Glint Angle	24.90°
Water Fraction	0.00
Total Pixel Area	15183.80 km²
Latest Satellite Imagery:	Alaska_Full_1750_m
Show More ▲ Show Less ▼ View all event imagery »

Possible Wildfire

Basic Information
State/Province(s)	AK
Country/Countries	United States
County/Locality(s)	Copper River Census Area, AK
NWS WFO	Unknown
Identification Method	Enhanced Contextual (Bias)
Mean Object Date/Time	2025-04-11 09:20:25UTC
Radiative Center (Lat, Lon):	62.248333°, -144.163330°
Nearby Counties (meeting alert criteria):	Copper River Census Area (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)	257.55 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)	20.99 K
Maximum Observed BTD (3.9-10/11/12 um)	11.35 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)	2.40 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	71.30°
Mean Solar Zenith Angle	109.60°
Mean Glint Angle	38.40°
Water Fraction	0.00
Total Pixel Area	12.50 km²
Latest Satellite Imagery:	None Available
Show More ▲ Show Less ▼ View all event imagery »

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	2025-04-11 09:20:40UTC
Radiative Center (Lat, Lon):	61.158054°, -140.387772°
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)	255.63 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)	12.31 K
Maximum Observed BTD (3.9-10/11/12 um)	14.20 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)	6.40 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	69.90°
Mean Solar Zenith Angle	110.90°
Mean Glint Angle	41.10°
Water Fraction	0.00
Total Pixel Area	116.30 km²
Latest Satellite Imagery:	None Available
Show More ▲ Show Less ▼ View all event imagery »

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	2025-04-11 09:20:40UTC
Radiative Center (Lat, Lon):	61.048332°, -139.924728°
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)	261.31 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)	17.61 K
Maximum Observed BTD (3.9-10/11/12 um)	10.27 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)	5.40 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	-0.01 MW
Mean Viewing Angle	69.70°
Mean Solar Zenith Angle	111.00°
Mean Glint Angle	41.40°
Water Fraction	0.00
Total Pixel Area	288.40 km²
Latest Satellite Imagery:	None Available
Show More ▲ Show Less ▼ View all event imagery »

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	2025-04-11 09:20:40UTC
Radiative Center (Lat, Lon):	60.598888°, -140.646667°
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)	251.17 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)	13.49 K
Maximum Observed BTD (3.9-10/11/12 um)	15.62 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	0.00 MW
Mean Viewing Angle	69.40°
Mean Solar Zenith Angle	111.30°
Mean Glint Angle	42.10°
Water Fraction	0.00
Total Pixel Area	68.20 km²
Latest Satellite Imagery:	None Available
Show More ▲ Show Less ▼ View all event imagery »

Next Generation Fire System (NGFS) - Experimental

Wildfire Alert Report

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire