Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-04-21
Time:	18:26:17
Production Date and Time:	2025-04-21 18:31:21 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20251111826176_e20251111828549_c20251111829034.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20251111821176_e20251111823549_c20251111824023.nc
Number Of Thermal Anomaly Alerts:	10

Possible Wildfire

Basic Information
State/Province(s)	MN
Country/Countries	United States
County/Locality(s)	Marshall County, MN
NWS WFO	Grand Forks ND
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-04-21 18:26:20UTC
Radiative Center (Lat, Lon):	48.328609°, -96.523331°
Nearby Counties (meeting alert criteria):	Marshall County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	60.83 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	312.81 K
Observed - Background BT (3.9 um)	11.70 K
BT Anomaly (3.9 um)	5.36 K
Maximum Observed - Clear RTM BT (3.9 um)	22.52 K
Maximum Observed BTD (3.9-10/11/12 um)	26.11 K
Observed - Background BTD (3.9-10/11/12 um)	12.12 K
BTD Anomaly (3.9-10/11/12 um)	4.72 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	8.50 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.34
Fraction of Surrounding Red Channel Pixels that are Brighter	0.99
Maximum Radiative Power	60.83 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	59.50°
Mean Solar Zenith Angle	36.80°
Mean Glint Angle	92.80°
Water Fraction	0.00
Total Pixel Area	7.90 km²
Latest Satellite Imagery:	MN-WInw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	SD
Country/Countries	United States
County/Locality(s)	Bon Homme County, SD
NWS WFO	Sioux Falls SD
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 18:26:50UTC
Radiative Center (Lat, Lon):	42.939999°, -97.820000°
Nearby Counties (meeting alert criteria):	Bon Homme County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	12.25 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	312.99 K
Observed - Background BT (3.9 um)	3.18 K
BT Anomaly (3.9 um)	2.99 K
Maximum Observed - Clear RTM BT (3.9 um)	18.54 K
Maximum Observed BTD (3.9-10/11/12 um)	13.73 K
Observed - Background BTD (3.9-10/11/12 um)	2.30 K
BTD Anomaly (3.9-10/11/12 um)	5.15 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	1.80 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.92
Fraction of Surrounding Red Channel Pixels that are Brighter	0.95
Maximum Radiative Power	12.25 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	54.90°
Mean Solar Zenith Angle	31.40°
Mean Glint Angle	83.00°
Water Fraction	0.00
Total Pixel Area	6.90 km²
Latest Satellite Imagery:	MNs-IA-MOnw-NEe_750_m SDs-NE-COne-KSnw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	KS
Country/Countries	United States
County/Locality(s)	Chase County, KS
NWS WFO	Wichita KS
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 18:26:50UTC
Radiative Center (Lat, Lon):	38.115833°, -96.492775°
Nearby Counties (meeting alert criteria):	Chase County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	16.02 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	305.91 K
Observed - Background BT (3.9 um)	5.09 K
BT Anomaly (3.9 um)	6.40 K
Maximum Observed - Clear RTM BT (3.9 um)	13.07 K
Maximum Observed BTD (3.9-10/11/12 um)	13.27 K
Observed - Background BTD (3.9-10/11/12 um)	4.55 K
BTD Anomaly (3.9-10/11/12 um)	10.06 K
Similar Pixel Count	16
BT Time Tendency (3.9 um)	3.40 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.85
Fraction of Surrounding Red Channel Pixels that are Brighter	0.98
Maximum Radiative Power	16.02 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	49.70°
Mean Solar Zenith Angle	26.60°
Mean Glint Angle	73.00°
Water Fraction	0.00
Total Pixel Area	6.20 km²
Latest Satellite Imagery:	MOsw-KSe-OKe-ARnw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	OK
Country/Countries	United States
County/Locality(s)	Osage County, OK
NWS WFO	Tulsa OK
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 18:26:50UTC
Radiative Center (Lat, Lon):	36.378056°, -96.309723°
Nearby Counties (meeting alert criteria):	Osage County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	8.53 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	303.68 K
Observed - Background BT (3.9 um)	2.72 K
BT Anomaly (3.9 um)	2.22 K
Maximum Observed - Clear RTM BT (3.9 um)	10.54 K
Maximum Observed BTD (3.9-10/11/12 um)	9.34 K
Observed - Background BTD (3.9-10/11/12 um)	2.25 K
BTD Anomaly (3.9-10/11/12 um)	3.78 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	0.76
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	8.53 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	48.00°
Mean Solar Zenith Angle	24.80°
Mean Glint Angle	69.50°
Water Fraction	0.00
Total Pixel Area	6.00 km²
Latest Satellite Imagery:	MOsw-KSe-OKe-ARnw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	OK
Country/Countries	United States
County/Locality(s)	Pittsburg County, OK
NWS WFO	Tulsa OK
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 18:27:20UTC
Radiative Center (Lat, Lon):	35.111389°, -96.025833°
Nearby Counties (meeting alert criteria):	Pittsburg County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	7.70 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	302.31 K
Observed - Background BT (3.9 um)	2.03 K
BT Anomaly (3.9 um)	2.66 K
Maximum Observed - Clear RTM BT (3.9 um)	6.94 K
Maximum Observed BTD (3.9-10/11/12 um)	8.16 K
Observed - Background BTD (3.9-10/11/12 um)	2.20 K
BTD Anomaly (3.9-10/11/12 um)	5.57 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	1.90 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.32
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	7.70 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	46.60°
Mean Solar Zenith Angle	23.60°
Mean Glint Angle	66.90°
Water Fraction	0.00
Total Pixel Area	5.80 km²
Latest Satellite Imagery:	MOsw-KSe-OKe-ARnw_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	2025-04-21 18:28:22UTC
Radiative Center (Lat, Lon):	22.772778°, -81.595833°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	21.13 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	316.69 K
Observed - Background BT (3.9 um)	4.73 K
BT Anomaly (3.9 um)	1.84 K
Maximum Observed - Clear RTM BT (3.9 um)	9.05 K
Maximum Observed BTD (3.9-10/11/12 um)	13.28 K
Observed - Background BTD (3.9-10/11/12 um)	4.44 K
BTD Anomaly (3.9-10/11/12 um)	2.89 K
Similar Pixel Count	18
BT Time Tendency (3.9 um)	3.70 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.63
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	21.13 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	27.70°
Mean Solar Zenith Angle	18.40°
Mean Glint Angle	37.60°
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 (Clear)
Mean Object Date/Time	2025-04-21 18:28:22UTC
Radiative Center (Lat, Lon):	22.664444°, -80.909721°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	75.53 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	327.08 K
Observed - Background BT (3.9 um)	11.57 K
BT Anomaly (3.9 um)	4.90 K
Maximum Observed - Clear RTM BT (3.9 um)	16.65 K
Maximum Observed BTD (3.9-10/11/12 um)	24.03 K
Observed - Background BTD (3.9-10/11/12 um)	11.40 K
BTD Anomaly (3.9-10/11/12 um)	6.01 K
Similar Pixel Count	4
BT Time Tendency (3.9 um)	4.50 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.68
Fraction of Surrounding Red Channel Pixels that are Brighter	0.67
Maximum Radiative Power	43.09 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	27.40°
Mean Solar Zenith Angle	18.90°
Mean Glint Angle	37.60°
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	Cuba
County/Locality(s)	Unknown, Unknown
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 18:28:22UTC
Radiative Center (Lat, Lon):	22.398056°, -80.956108°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	16.77 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	322.69 K
Observed - Background BT (3.9 um)	2.55 K
BT Anomaly (3.9 um)	0.94 K
Maximum Observed - Clear RTM BT (3.9 um)	11.96 K
Maximum Observed BTD (3.9-10/11/12 um)	14.11 K
Observed - Background BTD (3.9-10/11/12 um)	1.76 K
BTD Anomaly (3.9-10/11/12 um)	0.80 K
Similar Pixel Count	24
BT Time Tendency (3.9 um)	1.40 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.91
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	16.77 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	27.10°
Mean Solar Zenith Angle	18.70°
Mean Glint Angle	37.10°
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	Dominican Republic
County/Locality(s)	Unknown, Unknown
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 18:28:53UTC
Radiative Center (Lat, Lon):	18.900833°, -71.101387°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	9.41 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	310.02 K
Observed - Background BT (3.9 um)	1.88 K
BT Anomaly (3.9 um)	0.88 K
Maximum Observed - Clear RTM BT (3.9 um)	13.09 K
Maximum Observed BTD (3.9-10/11/12 um)	10.25 K
Observed - Background BTD (3.9-10/11/12 um)	2.41 K
BTD Anomaly (3.9-10/11/12 um)	1.87 K
Similar Pixel Count	20
BT Time Tendency (3.9 um)	2.80 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	9.41 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	22.80°
Mean Solar Zenith Angle	25.90°
Mean Glint Angle	40.80°
Water Fraction	0.00
Total Pixel Area	4.30 km²
Latest Satellite Imagery:	None Available
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Possible Wildfire

Basic Information
State/Province(s)	Unknown
Country/Countries	Dominican Republic
County/Locality(s)	Unknown, Unknown
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 18:28:53UTC
Radiative Center (Lat, Lon):	18.862499°, -71.718887°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	6.24 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	314.02 K
Observed - Background BT (3.9 um)	2.29 K
BT Anomaly (3.9 um)	1.02 K
Maximum Observed - Clear RTM BT (3.9 um)	10.58 K
Maximum Observed BTD (3.9-10/11/12 um)	12.69 K
Observed - Background BTD (3.9-10/11/12 um)	2.33 K
BTD Anomaly (3.9-10/11/12 um)	2.20 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	0.70 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.57
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	6.24 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	22.60°
Mean Solar Zenith Angle	25.40°
Mean Glint Angle	39.80°
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

Wildfire Alert Report

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