Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-09-18
Time:	18:51:17
Production Date and Time:	2025-09-18 18:56:29 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20252611851171_e20252611853544_c20252611854008.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20252611846171_e20252611848544_c20252611849013.nc
Number Of Thermal Anomaly Alerts:	4

Basic Information
State/Province(s)	MI
Country/Countries	United States
County/Locality(s)	Kalamazoo County, MI
NWS WFO	Grand Rapids MI
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-09-18 18:51:51UTC
Radiative Center (Lat, Lon):	42.285278°, -85.297775°
Nearby Counties (meeting alert criteria):	Kalamazoo County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	16.95 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	305.64 K
Observed - Background BT (3.9 um)	2.66 K
BT Anomaly (3.9 um)	2.22 K
Maximum Observed - Clear RTM BT (3.9 um)	2.66 K
Maximum Observed BTD (3.9-10/11/12 um)	16.21 K
Observed - Background BTD (3.9-10/11/12 um)	3.18 K
BTD Anomaly (3.9-10/11/12 um)	3.70 K
Similar Pixel Count	24
BT Time Tendency (3.9 um)	2.70 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.31
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	16.95 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	50.10°
Mean Solar Zenith Angle	43.60°
Mean Glint Angle	85.60°
Water Fraction	0.00
Total Pixel Area	6.20 km²
Latest Satellite Imagery:	WIs-ILn-MIw-INn_750_m
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Basic Information
State/Province(s)	AR
Country/Countries	United States
County/Locality(s)	Lawrence County, AR
NWS WFO	Little Rock AR
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-09-18 18:52:21UTC
Radiative Center (Lat, Lon):	35.968613°, -91.033058°
Nearby Counties (meeting alert criteria):	Lawrence County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	114.93 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	327.91 K
Observed - Background BT (3.9 um)	16.95 K
BT Anomaly (3.9 um)	9.04 K
Maximum Observed - Clear RTM BT (3.9 um)	18.33 K
Maximum Observed BTD (3.9-10/11/12 um)	34.77 K
Observed - Background BTD (3.9-10/11/12 um)	16.71 K
BTD Anomaly (3.9-10/11/12 um)	8.99 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	12.60 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.67
Fraction of Surrounding Red Channel Pixels that are Brighter	0.93
Maximum Radiative Power	114.93 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	45.20°
Mean Solar Zenith Angle	36.00°
Mean Glint Angle	72.80°
Water Fraction	0.00
Total Pixel Area	5.70 km²
Latest Satellite Imagery:	ILs-INs-KYw-TNw-_750_m MOsw-KSe-OKe-ARnw_750_m
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Basic Information
State/Province(s)	MS
Country/Countries	United States
County/Locality(s)	Coahoma County, MS
NWS WFO	Memphis TN
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-09-18 18:52:21UTC
Radiative Center (Lat, Lon):	34.413887°, -90.481110°
Nearby Counties (meeting alert criteria):	Coahoma County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	82.28 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	326.97 K
Observed - Background BT (3.9 um)	14.82 K
BT Anomaly (3.9 um)	6.20 K
Maximum Observed - Clear RTM BT (3.9 um)	18.46 K
Maximum Observed BTD (3.9-10/11/12 um)	31.36 K
Observed - Background BTD (3.9-10/11/12 um)	14.84 K
BTD Anomaly (3.9-10/11/12 um)	6.82 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	11.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.67
Fraction of Surrounding Red Channel Pixels that are Brighter	0.57
Maximum Radiative Power	82.28 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	43.40°
Mean Solar Zenith Angle	34.70°
Mean Glint Angle	69.60°
Water Fraction	0.00
Total Pixel Area	5.50 km²
Latest Satellite Imagery:	ILs-INs-KYw-TNw-_750_m MOsw-KSe-OKe-ARnw_750_m MS-AL-GAw-FLw_750_m TXe-LA-ARs_750_m
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Basic Information
State/Province(s)	GA
Country/Countries	United States
County/Locality(s)	Screven County, GA
NWS WFO	Charleston SC
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-09-18 18:52:22UTC
Radiative Center (Lat, Lon):	32.746387°, -81.434448°
Nearby Counties (meeting alert criteria):	Screven County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	31.55 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	311.09 K
Observed - Background BT (3.9 um)	7.00 K
BT Anomaly (3.9 um)	7.14 K
Maximum Observed - Clear RTM BT (3.9 um)	5.70 K
Maximum Observed BTD (3.9-10/11/12 um)	21.31 K
Observed - Background BTD (3.9-10/11/12 um)	6.17 K
BTD Anomaly (3.9-10/11/12 um)	5.34 K
Similar Pixel Count	11
BT Time Tendency (3.9 um)	2.00 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.93
Fraction of Surrounding Red Channel Pixels that are Brighter	0.74
Maximum Radiative Power	31.55 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	38.90°
Mean Solar Zenith Angle	37.30°
Mean Glint Angle	67.60°
Water Fraction	0.00
Total Pixel Area	5.10 km²
Latest Satellite Imagery:	SCs-GAe-FLn_750_m
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Next Generation Fire System (NGFS) - Experimental