Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-04-21
Time:	19:01:17
Production Date and Time:	2025-04-21 19:06:21 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20251111901176_e20251111903549_c20251111904047.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20251111856176_e20251111858549_c20251111859022.nc
Number Of Thermal Anomaly Alerts:	6

Possible Wildfire

Basic Information
State/Province(s)	SD
Country/Countries	United States
County/Locality(s)	Clark County, SD
NWS WFO	Aberdeen SD
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 19:01:20UTC
Radiative Center (Lat, Lon):	44.752777°, -97.592499°
Nearby Counties (meeting alert criteria):	Clark County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	52.25 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	308.17 K
Observed - Background BT (3.9 um)	3.70 K
BT Anomaly (3.9 um)	2.31 K
Maximum Observed - Clear RTM BT (3.9 um)	17.71 K
Maximum Observed BTD (3.9-10/11/12 um)	16.46 K
Observed - Background BTD (3.9-10/11/12 um)	4.69 K
BTD Anomaly (3.9-10/11/12 um)	3.43 K
Similar Pixel Count	12
BT Time Tendency (3.9 um)	5.40 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	27.37 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	56.50°
Mean Solar Zenith Angle	33.90°
Mean Glint Angle	82.70°
Water Fraction	0.00
Total Pixel Area	14.50 km²
Latest Satellite Imagery:	MN-WInw_750_m ND-SDn_750_m
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Possible Wildfire

Basic Information
State/Province(s)	CA
Country/Countries	United States
County/Locality(s)	Trinity County, CA
NWS WFO	Eureka CA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 19:01:48UTC
Radiative Center (Lat, Lon):	41.108055°, -122.785278°
Nearby Counties (meeting alert criteria):	Trinity County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	24.59 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	302.50 K
Observed - Background BT (3.9 um)	2.93 K
BT Anomaly (3.9 um)	8.05 K
Maximum Observed - Clear RTM BT (3.9 um)	13.43 K
Maximum Observed BTD (3.9-10/11/12 um)	8.31 K
Observed - Background BTD (3.9-10/11/12 um)	2.13 K
BTD Anomaly (3.9-10/11/12 um)	7.72 K
Similar Pixel Count	18
BT Time Tendency (3.9 um)	0.00 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	1.00
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	24.59 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	68.00°
Mean Solar Zenith Angle	33.20°
Mean Glint Angle	97.90°
Water Fraction	0.00
Total Pixel Area	10.70 km²
Latest Satellite Imagery:	ORsw-CAn_750_m
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Possible Wildfire

Basic Information
State/Province(s)	KS
Country/Countries	United States
County/Locality(s)	Harvey County, KS
NWS WFO	Wichita KS
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 19:01:50UTC
Radiative Center (Lat, Lon):	38.016388°, -97.251945°
Nearby Counties (meeting alert criteria):	Harvey County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	11.68 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	302.95 K
Observed - Background BT (3.9 um)	2.93 K
BT Anomaly (3.9 um)	4.63 K
Maximum Observed - Clear RTM BT (3.9 um)	10.88 K
Maximum Observed BTD (3.9-10/11/12 um)	10.89 K
Observed - Background BTD (3.9-10/11/12 um)	2.99 K
BTD Anomaly (3.9-10/11/12 um)	6.28 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	1.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.44
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	11.68 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	50.00°
Mean Solar Zenith Angle	27.50°
Mean Glint Angle	69.50°
Water Fraction	0.00
Total Pixel Area	6.20 km²
Latest Satellite Imagery:	KSsw-COse-OKw-TXnw_750_m 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 19:03:22UTC
Radiative Center (Lat, Lon):	23.080555°, -81.412781°
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)	310.11 K
Observed - Background BT (3.9 um)	1.81 K
BT Anomaly (3.9 um)	0.89 K
Maximum Observed - Clear RTM BT (3.9 um)	4.75 K
Maximum Observed BTD (3.9-10/11/12 um)	11.97 K
Observed - Background BTD (3.9-10/11/12 um)	2.27 K
BTD Anomaly (3.9-10/11/12 um)	1.90 K
Similar Pixel Count	15
BT Time Tendency (3.9 um)	2.80 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	9.41 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	28.00°
Mean Solar Zenith Angle	25.80°
Mean Glint Angle	39.60°
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 19:03:22UTC
Radiative Center (Lat, Lon):	22.744444°, -80.614166°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	8.10 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	313.89 K
Observed - Background BT (3.9 um)	4.45 K
BT Anomaly (3.9 um)	2.12 K
Maximum Observed - Clear RTM BT (3.9 um)	5.84 K
Maximum Observed BTD (3.9-10/11/12 um)	14.27 K
Observed - Background BTD (3.9-10/11/12 um)	4.24 K
BTD Anomaly (3.9-10/11/12 um)	2.62 K
Similar Pixel Count	23
BT Time Tendency (3.9 um)	2.20 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.61
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	8.10 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	27.40°
Mean Solar Zenith Angle	26.40°
Mean Glint Angle	39.70°
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 (Clear)
Mean Object Date/Time	2025-04-21 19:03:22UTC
Radiative Center (Lat, Lon):	22.669445°, -81.549721°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	9.77 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	319.44 K
Observed - Background BT (3.9 um)	3.73 K
BT Anomaly (3.9 um)	2.27 K
Maximum Observed - Clear RTM BT (3.9 um)	13.45 K
Maximum Observed BTD (3.9-10/11/12 um)	13.09 K
Observed - Background BTD (3.9-10/11/12 um)	2.34 K
BTD Anomaly (3.9-10/11/12 um)	2.16 K
Similar Pixel Count	13
BT Time Tendency (3.9 um)	2.30 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.99
Fraction of Surrounding Red Channel Pixels that are Brighter	0.99
Maximum Radiative Power	9.77 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	27.60°
Mean Solar Zenith Angle	25.50°
Mean Glint Angle	38.70°
Water Fraction	0.00
Total Pixel Area	4.50 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