Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-04-16
Time:	20:00:55
Production Date and Time:	2025-04-16 20:01:32 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadM2-M6C14_G19_s20251062000550_e20251062001007_c20251062001061.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadM2-M6C14_G19_s20251061958550_e20251061959007_c20251061959067.nc
Number Of Thermal Anomaly Alerts:	4

Basic Information
State/Province(s)	IL
Country/Countries	United States
County/Locality(s)	McHenry County, IL
NWS WFO	Chicago IL
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-04-16 20:00:57UTC
Radiative Center (Lat, Lon):	42.196388°, -88.494164°
Nearby Counties (meeting alert criteria):	McHenry County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	29.83 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	306.93 K
Observed - Background BT (3.9 um)	7.69 K
BT Anomaly (3.9 um)	4.50 K
Maximum Observed - Clear RTM BT (3.9 um)	21.74 K
Maximum Observed BTD (3.9-10/11/12 um)	24.21 K
Observed - Background BTD (3.9-10/11/12 um)	7.24 K
BTD Anomaly (3.9-10/11/12 um)	5.40 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	5.70 K
Image Interval	2.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.96
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	29.83 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	50.80°
Mean Solar Zenith Angle	42.70°
Mean Glint Angle	73.80°
Water Fraction	0.00
Total Pixel Area	6.30 km²
Latest Satellite Imagery:	WIs-ILn-MIw-INn_750_m
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Basic Information
State/Province(s)	IL
Country/Countries	United States
County/Locality(s)	Ogle County, IL
NWS WFO	Chicago IL
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-04-16 20:00:57UTC
Radiative Center (Lat, Lon):	41.987778°, -89.185280°
Nearby Counties (meeting alert criteria):	Ogle County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	131.17 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	298.30 K
Observed - Background BT (3.9 um)	13.86 K
BT Anomaly (3.9 um)	8.97 K
Maximum Observed - Clear RTM BT (3.9 um)	12.02 K
Maximum Observed BTD (3.9-10/11/12 um)	38.88 K
Observed - Background BTD (3.9-10/11/12 um)	14.37 K
BTD Anomaly (3.9-10/11/12 um)	8.93 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	10.60 K
Image Interval	2.00 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	74.97 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	50.80°
Mean Solar Zenith Angle	42.20°
Mean Glint Angle	73.30°
Water Fraction	0.00
Total Pixel Area	12.70 km²
Latest Satellite Imagery:	WIs-ILn-MIw-INn_750_m
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Basic Information
State/Province(s)	IL
Country/Countries	United States
County/Locality(s)	Jackson County, IL
NWS WFO	Paducah KY
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-16 20:00:56UTC
Radiative Center (Lat, Lon):	37.741390°, -89.456108°
Nearby Counties (meeting alert criteria):	Jackson County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	13.88 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	300.40 K
Observed - Background BT (3.9 um)	4.82 K
BT Anomaly (3.9 um)	4.53 K
Maximum Observed - Clear RTM BT (3.9 um)	12.89 K
Maximum Observed BTD (3.9-10/11/12 um)	16.07 K
Observed - Background BTD (3.9-10/11/12 um)	4.64 K
BTD Anomaly (3.9-10/11/12 um)	4.79 K
Similar Pixel Count	21
BT Time Tendency (3.9 um)	0.40 K
Image Interval	2.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.34
Fraction of Surrounding Red Channel Pixels that are Brighter	0.34
Maximum Radiative Power	13.88 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	46.50°
Mean Solar Zenith Angle	39.30°
Mean Glint Angle	65.40°
Water Fraction	0.00
Total Pixel Area	5.80 km²
Latest Satellite Imagery:	ILs-INs-KYw-TNw-_750_m
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Basic Information
State/Province(s)	KY
Country/Countries	United States
County/Locality(s)	Hart County, KY
NWS WFO	Louisville KY
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-16 20:00:57UTC
Radiative Center (Lat, Lon):	37.394444°, -86.003609°
Nearby Counties (meeting alert criteria):	Hart County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	4.41 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	298.26 K
Observed - Background BT (3.9 um)	1.61 K
BT Anomaly (3.9 um)	2.85 K
Maximum Observed - Clear RTM BT (3.9 um)	13.52 K
Maximum Observed BTD (3.9-10/11/12 um)	8.45 K
Observed - Background BTD (3.9-10/11/12 um)	2.40 K
BTD Anomaly (3.9-10/11/12 um)	3.29 K
Similar Pixel Count	19
BT Time Tendency (3.9 um)	0.40 K
Image Interval	2.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.23
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	4.41 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	45.00°
Mean Solar Zenith Angle	41.40°
Mean Glint Angle	66.10°
Water Fraction	0.00
Total Pixel Area	5.70 km²
Latest Satellite Imagery:	ILs-INs-KYw-TNw-_750_m
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Next Generation Fire System (NGFS) - Experimental