Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-09-04
Time:	18:01:55
Production Date and Time:	2025-09-04 18:02:33 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadM2-M6C14_G19_s20252471801551_e20252471802009_c20252471802060.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadM2-M6C14_G19_s20252471800551_e20252471801009_c20252471801059.nc
Number Of Thermal Anomaly Alerts:	5

Basic Information
State/Province(s)	AR
Country/Countries	United States
County/Locality(s)	Mississippi County, AR
NWS WFO	Memphis TN
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-09-04 18:01:59UTC
Radiative Center (Lat, Lon):	35.565556°, -90.113052°
Nearby Counties (meeting alert criteria):	Mississippi County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	76.78 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	322.57 K
Observed - Background BT (3.9 um)	14.53 K
BT Anomaly (3.9 um)	5.26 K
Maximum Observed - Clear RTM BT (3.9 um)	19.32 K
Maximum Observed BTD (3.9-10/11/12 um)	32.01 K
Observed - Background BTD (3.9-10/11/12 um)	13.70 K
BTD Anomaly (3.9-10/11/12 um)	5.60 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	2.20 K
Image Interval	1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.92
Fraction of Surrounding Red Channel Pixels that are Brighter	0.83
Maximum Radiative Power	76.78 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	44.40°
Mean Solar Zenith Angle	28.00°
Mean Glint Angle	70.50°
Water Fraction	0.00
Total Pixel Area	5.60 km²
Latest Satellite Imagery:	ILs-INs-KYw-TNw-_750_m
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Basic Information
State/Province(s)	AR
Country/Countries	United States
County/Locality(s)	Desha County, AR
NWS WFO	Little Rock AR
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-09-04 18:01:59UTC
Radiative Center (Lat, Lon):	33.539444°, -91.331390°
Nearby Counties (meeting alert criteria):	Desha County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	62.81 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	325.18 K
Observed - Background BT (3.9 um)	13.08 K
BT Anomaly (3.9 um)	7.20 K
Maximum Observed - Clear RTM BT (3.9 um)	17.90 K
Maximum Observed BTD (3.9-10/11/12 um)	29.81 K
Observed - Background BTD (3.9-10/11/12 um)	12.12 K
BTD Anomaly (3.9-10/11/12 um)	7.79 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	4.30 K
Image Interval	1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.95
Fraction of Surrounding Red Channel Pixels that are Brighter	0.88
Maximum Radiative Power	62.81 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	42.90°
Mean Solar Zenith Angle	26.00°
Mean Glint Angle	67.00°
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)	Heard County, GA
NWS WFO	Peachtree City GA
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-09-04 18:02:00UTC
Radiative Center (Lat, Lon):	33.322777°, -85.144997°
Nearby Counties (meeting alert criteria):	Heard County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	77.29 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	318.63 K
Observed - Background BT (3.9 um)	14.79 K
BT Anomaly (3.9 um)	16.16 K
Maximum Observed - Clear RTM BT (3.9 um)	17.68 K
Maximum Observed BTD (3.9-10/11/12 um)	29.73 K
Observed - Background BTD (3.9-10/11/12 um)	14.95 K
BTD Anomaly (3.9-10/11/12 um)	10.23 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	1.60 K
Image Interval	1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.63
Fraction of Surrounding Red Channel Pixels that are Brighter	0.79
Maximum Radiative Power	77.29 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	40.40°
Mean Solar Zenith Angle	26.20°
Mean Glint Angle	64.20°
Water Fraction	0.00
Total Pixel Area	5.30 km²
Latest Satellite Imagery:	MS-AL-GAw-FLw_750_m
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Basic Information
State/Province(s)	GA
Country/Countries	United States
County/Locality(s)	Washington County, GA
NWS WFO	Peachtree City GA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-09-04 18:02:01UTC
Radiative Center (Lat, Lon):	33.096943°, -82.900558°
Nearby Counties (meeting alert criteria):	Washington County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	17.02 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	309.40 K
Observed - Background BT (3.9 um)	5.14 K
BT Anomaly (3.9 um)	5.31 K
Maximum Observed - Clear RTM BT (3.9 um)	6.45 K
Maximum Observed BTD (3.9-10/11/12 um)	17.62 K
Observed - Background BTD (3.9-10/11/12 um)	4.29 K
BTD Anomaly (3.9-10/11/12 um)	3.58 K
Similar Pixel Count	21
BT Time Tendency (3.9 um)	0.90 K
Image Interval	1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.92
Fraction of Surrounding Red Channel Pixels that are Brighter	0.91
Maximum Radiative Power	17.02 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	39.60°
Mean Solar Zenith Angle	26.50°
Mean Glint Angle	63.40°
Water Fraction	0.00
Total Pixel Area	5.20 km²
Latest Satellite Imagery:	SCs-GAe-FLn_750_m
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Basic Information
State/Province(s)	AL
Country/Countries	United States
County/Locality(s)	Clarke County, AL
NWS WFO	Mobile AL
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-09-04 18:02:00UTC
Radiative Center (Lat, Lon):	31.559999°, -87.917221°
Nearby Counties (meeting alert criteria):	Clarke County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	59.53 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	313.10 K
Observed - Background BT (3.9 um)	8.48 K
BT Anomaly (3.9 um)	7.66 K
Maximum Observed - Clear RTM BT (3.9 um)	8.15 K
Maximum Observed BTD (3.9-10/11/12 um)	22.13 K
Observed - Background BTD (3.9-10/11/12 um)	8.16 K
BTD Anomaly (3.9-10/11/12 um)	6.07 K
Similar Pixel Count	13
BT Time Tendency (3.9 um)	-0.30 K
Image Interval	1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.67
Fraction of Surrounding Red Channel Pixels that are Brighter	0.75
Maximum Radiative Power	59.53 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	39.40°
Mean Solar Zenith Angle	24.10°
Mean Glint Angle	61.30°
Water Fraction	0.00
Total Pixel Area	5.20 km²
Latest Satellite Imagery:	MS-AL-GAw-FLw_750_m
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Next Generation Fire System (NGFS) - Experimental