Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-04-23
Time:	19:41:17
Production Date and Time:	2025-04-23 19:46:29 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20251131941178_e20251131943551_c20251131944058.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20251131936178_e20251131938551_c20251131939051.nc
Number Of Thermal Anomaly Alerts:	7

Possible Wildfire

Basic Information
State/Province(s)	ID
Country/Countries	United States
County/Locality(s)	Bonner County, ID
NWS WFO	Spokane WA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-23 19:41:19UTC
Radiative Center (Lat, Lon):	48.293888°, -116.900558°
Nearby Counties (meeting alert criteria):	Bonner County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	12.45 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	290.74 K
Observed - Background BT (3.9 um)	2.87 K
BT Anomaly (3.9 um)	2.03 K
Maximum Observed - Clear RTM BT (3.9 um)	6.93 K
Maximum Observed BTD (3.9-10/11/12 um)	7.92 K
Observed - Background BTD (3.9-10/11/12 um)	2.68 K
BTD Anomaly (3.9-10/11/12 um)	4.20 K
Similar Pixel Count	13
BT Time Tendency (3.9 um)	0.90 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.66
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	12.45 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	68.80°
Mean Solar Zenith Angle	36.10°
Mean Glint Angle	94.20°
Water Fraction	0.00
Total Pixel Area	11.10 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)	Fergus County, MT
NWS WFO	Great Falls MT
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-04-23 19:41:19UTC
Radiative Center (Lat, Lon):	46.965000°, -109.700554°
Nearby Counties (meeting alert criteria):	Fergus County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	159.73 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	309.73 K
Observed - Background BT (3.9 um)	13.26 K
BT Anomaly (3.9 um)	10.70 K
Maximum Observed - Clear RTM BT (3.9 um)	25.25 K
Maximum Observed BTD (3.9-10/11/12 um)	28.97 K
Observed - Background BTD (3.9-10/11/12 um)	13.60 K
BTD Anomaly (3.9-10/11/12 um)	8.71 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	8.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.71
Fraction of Surrounding Red Channel Pixels that are Brighter	0.69
Maximum Radiative Power	84.27 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	64.00°
Mean Solar Zenith Angle	35.10°
Mean Glint Angle	87.00°
Water Fraction	0.00
Total Pixel Area	18.20 km²
Latest Satellite Imagery:	MTe_750_m
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Possible Wildfire

Basic Information
State/Province(s)	IA
Country/Countries	United States
County/Locality(s)	Winneshiek County, IA
NWS WFO	La Crosse WI
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-23 19:41:21UTC
Radiative Center (Lat, Lon):	43.269722°, -91.863892°
Nearby Counties (meeting alert criteria):	Winneshiek County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	23.70 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	304.00 K
Observed - Background BT (3.9 um)	6.22 K
BT Anomaly (3.9 um)	6.45 K
Maximum Observed - Clear RTM BT (3.9 um)	17.51 K
Maximum Observed BTD (3.9-10/11/12 um)	22.21 K
Observed - Background BTD (3.9-10/11/12 um)	6.17 K
BTD Anomaly (3.9-10/11/12 um)	4.04 K
Similar Pixel Count	24
BT Time Tendency (3.9 um)	4.70 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.72
Fraction of Surrounding Red Channel Pixels that are Brighter	0.90
Maximum Radiative Power	23.70 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	52.90°
Mean Solar Zenith Angle	37.30°
Mean Glint Angle	74.30°
Water Fraction	0.00
Total Pixel Area	6.60 km²
Latest Satellite Imagery:	MNs-IA-MOnw-NEe_750_m
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Possible Wildfire

Basic Information
State/Province(s)	IA
Country/Countries	United States
County/Locality(s)	Polk County, IA
NWS WFO	Des Moines IA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-23 19:41:50UTC
Radiative Center (Lat, Lon):	41.805000°, -93.711113°
Nearby Counties (meeting alert criteria):	Polk County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	16.61 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	305.37 K
Observed - Background BT (3.9 um)	4.33 K
BT Anomaly (3.9 um)	3.53 K
Maximum Observed - Clear RTM BT (3.9 um)	14.26 K
Maximum Observed BTD (3.9-10/11/12 um)	30.42 K
Observed - Background BTD (3.9-10/11/12 um)	4.00 K
BTD Anomaly (3.9-10/11/12 um)	2.71 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	2.00 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.60
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	16.61 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	52.10°
Mean Solar Zenith Angle	35.30°
Mean Glint Angle	71.50°
Water Fraction	0.00
Total Pixel Area	6.50 km²
Latest Satellite Imagery:	MNs-IA-MOnw-NEe_750_m
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Possible Wildfire

Basic Information
State/Province(s)	Unknown
Country/Countries	Cuba
County/Locality(s)	Unknown, Unknown
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-23 19:43:22UTC
Radiative Center (Lat, Lon):	22.951111°, -80.684448°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	10.02 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	310.86 K
Observed - Background BT (3.9 um)	4.57 K
BT Anomaly (3.9 um)	2.61 K
Maximum Observed - Clear RTM BT (3.9 um)	5.34 K
Maximum Observed BTD (3.9-10/11/12 um)	12.85 K
Observed - Background BTD (3.9-10/11/12 um)	3.75 K
BTD Anomaly (3.9-10/11/12 um)	3.28 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	0.90 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.88
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	10.02 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	27.70°
Mean Solar Zenith Angle	35.00°
Mean Glint Angle	42.70°
Water Fraction	0.00
Total Pixel Area	4.50 km²
Latest Satellite Imagery:	None Available
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Possible Wildfire

Basic Information
State/Province(s)	Unknown
Country/Countries	Cuba
County/Locality(s)	Unknown, Unknown
NWS WFO	N/A
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-04-23 19:43:22UTC
Radiative Center (Lat, Lon):	22.789167°, -81.056114°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	94.42 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	326.42 K
Observed - Background BT (3.9 um)	15.37 K
BT Anomaly (3.9 um)	7.09 K
Maximum Observed - Clear RTM BT (3.9 um)	20.76 K
Maximum Observed BTD (3.9-10/11/12 um)	26.86 K
Observed - Background BTD (3.9-10/11/12 um)	14.61 K
BTD Anomaly (3.9-10/11/12 um)	8.79 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	11.10 K
Image Interval	5.00 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	94.42 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	27.60°
Mean Solar Zenith Angle	34.70°
Mean Glint Angle	42.00°
Water Fraction	0.00
Total Pixel Area	9.00 km²
Latest Satellite Imagery:	None Available
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Possible Wildfire

Basic Information
State/Province(s)	Unknown
Country/Countries	Haiti
County/Locality(s)	Unknown, Unknown
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-23 19:43:53UTC
Radiative Center (Lat, Lon):	19.276667°, -71.825279°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	4.24 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	310.49 K
Observed - Background BT (3.9 um)	2.25 K
BT Anomaly (3.9 um)	1.01 K
Maximum Observed - Clear RTM BT (3.9 um)	14.96 K
Maximum Observed BTD (3.9-10/11/12 um)	14.35 K
Observed - Background BTD (3.9-10/11/12 um)	1.99 K
BTD Anomaly (3.9-10/11/12 um)	1.34 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	1.50 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.81
Fraction of Surrounding Red Channel Pixels that are Brighter	0.99
Maximum Radiative Power	4.24 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	23.00°
Mean Solar Zenith Angle	42.80°
Mean Glint Angle	51.90°
Water Fraction	0.00
Total Pixel Area	4.30 km²
Latest Satellite Imagery:	None Available
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Next Generation Fire System (NGFS) - Experimental

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Possible Wildfire