Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-04-26
Time:	18:16:17
Production Date and Time:	2025-04-26 18:21:18 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20251161816171_e20251161818544_c20251161819008.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20251161811171_e20251161813544_c20251161814040.nc
Number Of Thermal Anomaly Alerts:	6

Possible Wildfire

Basic Information
State/Province(s)	MT
Country/Countries	United States
County/Locality(s)	Teton County, MT
NWS WFO	Great Falls MT
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-26 18:16:19UTC
Radiative Center (Lat, Lon):	47.599998°, -111.957497°
Nearby Counties (meeting alert criteria):	Teton County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	52.99 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	311.51 K
Observed - Background BT (3.9 um)	5.70 K
BT Anomaly (3.9 um)	4.01 K
Maximum Observed - Clear RTM BT (3.9 um)	19.78 K
Maximum Observed BTD (3.9-10/11/12 um)	20.48 K
Observed - Background BTD (3.9-10/11/12 um)	6.13 K
BTD Anomaly (3.9-10/11/12 um)	6.59 K
Similar Pixel Count	24
BT Time Tendency (3.9 um)	4.80 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.56
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	52.99 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	65.60°
Mean Solar Zenith Angle	37.30°
Mean Glint Angle	101.50°
Water Fraction	0.00
Total Pixel Area	9.70 km²
Latest Satellite Imagery:	IDn-MTw_750_m MTe_750_m
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Possible Wildfire

Basic Information
State/Province(s)	MT
Country/Countries	United States
County/Locality(s)	Gallatin County, MT
NWS WFO	Great Falls MT
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-04-26 18:16:19UTC
Radiative Center (Lat, Lon):	45.874443°, -111.246391°
Nearby Counties (meeting alert criteria):	Gallatin County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	118.88 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	314.15 K
Observed - Background BT (3.9 um)	9.52 K
BT Anomaly (3.9 um)	5.15 K
Maximum Observed - Clear RTM BT (3.9 um)	21.83 K
Maximum Observed BTD (3.9-10/11/12 um)	23.82 K
Observed - Background BTD (3.9-10/11/12 um)	10.40 K
BTD Anomaly (3.9-10/11/12 um)	9.78 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	10.20 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.56
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	65.54 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	63.90°
Mean Solar Zenith Angle	35.50°
Mean Glint Angle	98.20°
Water Fraction	0.00
Total Pixel Area	18.20 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)	WI
Country/Countries	United States
County/Locality(s)	Fond du Lac County, WI
NWS WFO	Milwaukee/Sullivan WI
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-26 18:16:21UTC
Radiative Center (Lat, Lon):	43.661110°, -88.543892°
Nearby Counties (meeting alert criteria):	Fond du Lac County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	17.59 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	303.42 K
Observed - Background BT (3.9 um)	5.13 K
BT Anomaly (3.9 um)	5.35 K
Maximum Observed - Clear RTM BT (3.9 um)	19.41 K
Maximum Observed BTD (3.9-10/11/12 um)	14.03 K
Observed - Background BTD (3.9-10/11/12 um)	4.68 K
BTD Anomaly (3.9-10/11/12 um)	6.15 K
Similar Pixel Count	16
BT Time Tendency (3.9 um)	2.70 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.76
Fraction of Surrounding Red Channel Pixels that are Brighter	0.99
Maximum Radiative Power	17.59 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	52.40°
Mean Solar Zenith Angle	30.90°
Mean Glint Angle	80.00°
Water Fraction	0.00
Total Pixel Area	6.60 km²
Latest Satellite Imagery:	WIs-ILn-MIw-INn_750_m
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Possible Wildfire

Basic Information
State/Province(s)	MN
Country/Countries	United States
County/Locality(s)	Fillmore County, MN
NWS WFO	La Crosse WI
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-26 18:16:21UTC
Radiative Center (Lat, Lon):	43.743610°, -91.824448°
Nearby Counties (meeting alert criteria):	Fillmore County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	22.05 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	301.31 K
Observed - Background BT (3.9 um)	2.70 K
BT Anomaly (3.9 um)	3.21 K
Maximum Observed - Clear RTM BT (3.9 um)	16.03 K
Maximum Observed BTD (3.9-10/11/12 um)	10.95 K
Observed - Background BTD (3.9-10/11/12 um)	2.98 K
BTD Anomaly (3.9-10/11/12 um)	6.47 K
Similar Pixel Count	24
BT Time Tendency (3.9 um)	3.00 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.28
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	12.10 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	53.40°
Mean Solar Zenith Angle	30.60°
Mean Glint Angle	81.10°
Water Fraction	0.00
Total Pixel Area	13.40 km²
Latest Satellite Imagery:	MNs-IA-MOnw-NEe_750_m
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Possible Wildfire

Basic Information
State/Province(s)	FL
Country/Countries	United States
County/Locality(s)	Miami-Dade County, FL
NWS WFO	Miami FL
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-26 18:17:52UTC
Radiative Center (Lat, Lon):	25.379444°, -80.772781°
Nearby Counties (meeting alert criteria):	Miami-Dade County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	70.18 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk, Known Incident: Johnson (HIGH, tdiff=1.01723 days, Perimeter)
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	320.71 K
Observed - Background BT (3.9 um)	11.91 K
BT Anomaly (3.9 um)	4.45 K
Maximum Observed - Clear RTM BT (3.9 um)	11.85 K
Maximum Observed BTD (3.9-10/11/12 um)	23.89 K
Observed - Background BTD (3.9-10/11/12 um)	11.57 K
BTD Anomaly (3.9-10/11/12 um)	5.18 K
Similar Pixel Count	13
BT Time Tendency (3.9 um)	2.50 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	0.50
Maximum Radiative Power	39.64 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	30.40°
Mean Solar Zenith Angle	17.80°
Mean Glint Angle	41.50°
Water Fraction	0.00
Total Pixel Area	9.30 km²
Latest Satellite Imagery:	FLs_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	2025-04-26 18:18:21UTC
Radiative Center (Lat, Lon):	22.400555°, -83.598335°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	33.90 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	320.90 K
Observed - Background BT (3.9 um)	6.53 K
BT Anomaly (3.9 um)	2.72 K
Maximum Observed - Clear RTM BT (3.9 um)	13.26 K
Maximum Observed BTD (3.9-10/11/12 um)	24.73 K
Observed - Background BTD (3.9-10/11/12 um)	6.22 K
BTD Anomaly (3.9-10/11/12 um)	3.05 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	3.00 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.70
Fraction of Surrounding Red Channel Pixels that are Brighter	0.48
Maximum Radiative Power	33.90 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	28.00°
Mean Solar Zenith Angle	13.90°
Mean Glint Angle	34.70°
Water Fraction	0.00
Total Pixel Area	9.10 km²
Latest Satellite Imagery:	None Available
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Next Generation Fire System (NGFS) - Experimental

Wildfire Alert Report

Possible Wildfire

Possible Wildfire

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Possible Wildfire