Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-04-16
Time:	17:25:54
Production Date and Time:	2025-04-16 17:26:50 UTC
Primary Instrument:	GOES-18 ABI
Wmo Spacecraft Id:	665
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadM2-M6C14_G18_s20251061725545_e20251061726002_c20251061726094.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadM2-M6C14_G18_s20251061724545_e20251061725002_c20251061725053.nc
Number Of Thermal Anomaly Alerts:	4

Basic Information
State/Province(s)	KY
Country/Countries	United States
County/Locality(s)	Larue County, KY
NWS WFO	Louisville KY
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-16 17:25:55UTC
Radiative Center (Lat, Lon):	37.508335°, -85.564720°
Nearby Counties (meeting alert criteria):	Larue County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	27.05 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	297.31 K
Observed - Background BT (3.9 um)	4.58 K
BT Anomaly (3.9 um)	8.80 K
Maximum Observed - Clear RTM BT (3.9 um)	13.87 K
Maximum Observed BTD (3.9-10/11/12 um)	10.88 K
Observed - Background BTD (3.9-10/11/12 um)	4.53 K
BTD Anomaly (3.9-10/11/12 um)	11.27 K
Similar Pixel Count	4
BT Time Tendency (3.9 um)	2.30 K
Image Interval	1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.52
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	27.05 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	68.90°
Mean Solar Zenith Angle	28.00°
Mean Glint Angle	79.20°
Water Fraction	0.00
Total Pixel Area	11.10 km²
Latest Satellite Imagery:	ILs-INs-KYw-TNw-_750_m
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Basic Information
State/Province(s)	TN
Country/Countries	United States
County/Locality(s)	White County, TN
NWS WFO	Nashville TN
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-16 17:25:55UTC
Radiative Center (Lat, Lon):	35.871944°, -85.252777°
Nearby Counties (meeting alert criteria):	White County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	12.89 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	294.61 K
Observed - Background BT (3.9 um)	2.35 K
BT Anomaly (3.9 um)	2.32 K
Maximum Observed - Clear RTM BT (3.9 um)	10.07 K
Maximum Observed BTD (3.9-10/11/12 um)	7.70 K
Observed - Background BTD (3.9-10/11/12 um)	2.44 K
BTD Anomaly (3.9-10/11/12 um)	4.54 K
Similar Pixel Count	14
BT Time Tendency (3.9 um)	0.30 K
Image Interval	1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.55
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	12.89 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	68.40°
Mean Solar Zenith Angle	26.30°
Mean Glint Angle	77.70°
Water Fraction	0.00
Total Pixel Area	10.90 km²
Latest Satellite Imagery:	ILs-INs-KYw-TNw-_750_m
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Basic Information
State/Province(s)	MS
Country/Countries	United States
County/Locality(s)	Itawamba County, MS
NWS WFO	Memphis TN
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-16 17:25:55UTC
Radiative Center (Lat, Lon):	34.242500°, -88.507774°
Nearby Counties (meeting alert criteria):	Itawamba County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	11.93 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	297.80 K
Observed - Background BT (3.9 um)	2.84 K
BT Anomaly (3.9 um)	1.58 K
Maximum Observed - Clear RTM BT (3.9 um)	6.13 K
Maximum Observed BTD (3.9-10/11/12 um)	10.05 K
Observed - Background BTD (3.9-10/11/12 um)	2.74 K
BTD Anomaly (3.9-10/11/12 um)	2.72 K
Similar Pixel Count	24
BT Time Tendency (3.9 um)	0.40 K
Image Interval	1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.65
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	11.93 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	65.00°
Mean Solar Zenith Angle	25.30°
Mean Glint Angle	71.70°
Water Fraction	0.00
Total Pixel Area	9.50 km²
Latest Satellite Imagery:	ILs-INs-KYw-TNw-_750_m MS-AL-GAw-FLw_750_m
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Basic Information
State/Province(s)	GA
Country/Countries	United States
County/Locality(s)	Thomas County, GA
NWS WFO	Tallahassee FL
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-16 17:25:59UTC
Radiative Center (Lat, Lon):	30.693890°, -83.850830°
Nearby Counties (meeting alert criteria):	Thomas County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	16.19 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	300.34 K
Observed - Background BT (3.9 um)	2.92 K
BT Anomaly (3.9 um)	1.59 K
Maximum Observed - Clear RTM BT (3.9 um)	8.25 K
Maximum Observed BTD (3.9-10/11/12 um)	7.72 K
Observed - Background BTD (3.9-10/11/12 um)	2.82 K
BTD Anomaly (3.9-10/11/12 um)	2.45 K
Similar Pixel Count	8
BT Time Tendency (3.9 um)	1.00 K
Image Interval	1.00 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	16.19 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	67.40°
Mean Solar Zenith Angle	21.00°
Mean Glint Angle	74.00°
Water Fraction	0.00
Total Pixel Area	10.40 km²
Latest Satellite Imagery:	MS-AL-GAw-FLw_750_m SCs-GAe-FLn_750_m
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Next Generation Fire System (NGFS) - Experimental