Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-04-10
Time:	19:36:18
Production Date and Time:	2025-04-10 19:41:08 UTC
Primary Instrument:	GOES-18 ABI
Wmo Spacecraft Id:	665
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G18_s20251001936185_e20251001938558_c20251001939045.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G18_s20251001931185_e20251001933558_c20251001934035.nc
Number Of Thermal Anomaly Alerts:	6

Possible Wildfire

Basic Information
State/Province(s)	MT
Country/Countries	United States
County/Locality(s)	Valley County, MT
NWS WFO	Glasgow MT
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-10 19:36:25UTC
Radiative Center (Lat, Lon):	48.090832°, -106.261108°
Nearby Counties (meeting alert criteria):	Valley County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	43.45 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	310.69 K
Observed - Background BT (3.9 um)	3.67 K
BT Anomaly (3.9 um)	3.48 K
Maximum Observed - Clear RTM BT (3.9 um)	19.46 K
Maximum Observed BTD (3.9-10/11/12 um)	15.01 K
Observed - Background BTD (3.9-10/11/12 um)	4.19 K
BTD Anomaly (3.9-10/11/12 um)	4.89 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	2.30 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.42
Fraction of Surrounding Red Channel Pixels that are Brighter	0.90
Maximum Radiative Power	22.23 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	63.10°
Mean Solar Zenith Angle	41.00°
Mean Glint Angle	100.30°
Water Fraction	0.00
Total Pixel Area	17.70 km²
Latest Satellite Imagery:	MTe_750_m
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Possible Wildfire

Basic Information
State/Province(s)	WA
Country/Countries	United States
County/Locality(s)	Garfield County, WA
NWS WFO	Spokane WA
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-04-10 19:36:24UTC
Radiative Center (Lat, Lon):	46.488056°, -117.289719°
Nearby Counties (meeting alert criteria):	Garfield County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	118.51 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	303.79 K
Observed - Background BT (3.9 um)	17.95 K
BT Anomaly (3.9 um)	9.14 K
Maximum Observed - Clear RTM BT (3.9 um)	18.45 K
Maximum Observed BTD (3.9-10/11/12 um)	50.79 K
Observed - Background BTD (3.9-10/11/12 um)	17.39 K
BTD Anomaly (3.9-10/11/12 um)	8.19 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	12.90 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.47
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	118.51 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	57.20°
Mean Solar Zenith Angle	39.00°
Mean Glint Angle	91.60°
Water Fraction	0.00
Total Pixel Area	7.40 km²
Latest Satellite Imagery:	IDn-MTw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	MT
Country/Countries	United States
County/Locality(s)	Prairie County, MT
NWS WFO	Glasgow MT
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-10 19:36:25UTC
Radiative Center (Lat, Lon):	46.706944°, -105.451385°
Nearby Counties (meeting alert criteria):	Prairie County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	22.85 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	310.51 K
Observed - Background BT (3.9 um)	2.95 K
BT Anomaly (3.9 um)	2.97 K
Maximum Observed - Clear RTM BT (3.9 um)	18.08 K
Maximum Observed BTD (3.9-10/11/12 um)	13.64 K
Observed - Background BTD (3.9-10/11/12 um)	3.57 K
BTD Anomaly (3.9-10/11/12 um)	9.59 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	3.20 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.19
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	22.85 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	62.30°
Mean Solar Zenith Angle	39.80°
Mean Glint Angle	98.40°
Water Fraction	0.00
Total Pixel Area	8.60 km²
Latest Satellite Imagery:	MTe_750_m ND-SDn_750_m
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Possible Wildfire

Basic Information
State/Province(s)	MT
Country/Countries	United States
County/Locality(s)	Beaverhead County, MT
NWS WFO	Great Falls MT
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-04-10 19:36:24UTC
Radiative Center (Lat, Lon):	44.970833°, -113.405281°
Nearby Counties (meeting alert criteria):	Beaverhead County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	106.11 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	319.13 K
Observed - Background BT (3.9 um)	21.26 K
BT Anomaly (3.9 um)	6.37 K
Maximum Observed - Clear RTM BT (3.9 um)	32.38 K
Maximum Observed BTD (3.9-10/11/12 um)	34.47 K
Observed - Background BTD (3.9-10/11/12 um)	21.45 K
BTD Anomaly (3.9-10/11/12 um)	6.93 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	13.60 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.41
Fraction of Surrounding Red Channel Pixels that are Brighter	0.27
Maximum Radiative Power	106.11 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	57.20°
Mean Solar Zenith Angle	37.40°
Mean Glint Angle	90.40°
Water Fraction	0.00
Total Pixel Area	7.40 km²
Latest Satellite Imagery:	IDn-MTw_750_m IDs-NVne-UTnw_750_m MTe_750_m WY-UTne-COnw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	WY
Country/Countries	United States
County/Locality(s)	Washakie County, WY
NWS WFO	Riverton WY
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-10 19:36:25UTC
Radiative Center (Lat, Lon):	44.141945°, -107.932503°
Nearby Counties (meeting alert criteria):	Washakie County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	59.90 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	316.61 K
Observed - Background BT (3.9 um)	4.39 K
BT Anomaly (3.9 um)	4.08 K
Maximum Observed - Clear RTM BT (3.9 um)	21.44 K
Maximum Observed BTD (3.9-10/11/12 um)	14.31 K
Observed - Background BTD (3.9-10/11/12 um)	4.11 K
BTD Anomaly (3.9-10/11/12 um)	7.22 K
Similar Pixel Count	24
BT Time Tendency (3.9 um)	4.30 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.22
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	31.26 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	58.90°
Mean Solar Zenith Angle	36.90°
Mean Glint Angle	92.20°
Water Fraction	0.00
Total Pixel Area	15.50 km²
Latest Satellite Imagery:	WY-UTne-COnw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	CA
Country/Countries	United States
County/Locality(s)	San Benito County, CA
NWS WFO	San Francisco CA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-10 19:36:54UTC
Radiative Center (Lat, Lon):	36.922501°, -121.375000°
Nearby Counties (meeting alert criteria):	San Benito County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	15.31 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	311.63 K
Observed - Background BT (3.9 um)	7.33 K
BT Anomaly (3.9 um)	4.13 K
Maximum Observed - Clear RTM BT (3.9 um)	14.16 K
Maximum Observed BTD (3.9-10/11/12 um)	12.83 K
Observed - Background BTD (3.9-10/11/12 um)	4.39 K
BTD Anomaly (3.9-10/11/12 um)	4.18 K
Similar Pixel Count	22
BT Time Tendency (3.9 um)	0.50 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.75
Fraction of Surrounding Red Channel Pixels that are Brighter	0.98
Maximum Radiative Power	15.31 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	46.10°
Mean Solar Zenith Angle	30.20°
Mean Glint Angle	71.20°
Water Fraction	0.00
Total Pixel Area	5.80 km²
Latest Satellite Imagery:	CAcentral_750_m CAs_750_m
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Next Generation Fire System (NGFS) - Experimental

Wildfire Alert Report

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire