Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-08-27
Time:	18:14:55
Production Date and Time:	2025-08-27 18:15:38 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadM2-M6C14_G19_s20252391814557_e20252391815014_c20252391815079.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadM2-M6C14_G19_s20252391813557_e20252391814014_c20252391814082.nc
Number Of Thermal Anomaly Alerts:	4

Basic Information
State/Province(s)	AR
Country/Countries	United States
County/Locality(s)	Crittenden County, AR
NWS WFO	Memphis TN
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-08-27 18:14:59UTC
Radiative Center (Lat, Lon):	35.217499°, -90.131943°
Nearby Counties (meeting alert criteria):	Crittenden County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	64.87 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)	11.26 K
BT Anomaly (3.9 um)	6.39 K
Maximum Observed - Clear RTM BT (3.9 um)	8.74 K
Maximum Observed BTD (3.9-10/11/12 um)	35.97 K
Observed - Background BTD (3.9-10/11/12 um)	11.98 K
BTD Anomaly (3.9-10/11/12 um)	7.62 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	2.80 K
Image Interval	1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.50
Fraction of Surrounding Red Channel Pixels that are Brighter	0.68
Maximum Radiative Power	64.87 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	44.10°
Mean Solar Zenith Angle	24.90°
Mean Glint Angle	66.20°
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)	MS
Country/Countries	United States
County/Locality(s)	Chickasaw County, MS
NWS WFO	Memphis TN
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-08-27 18:14:59UTC
Radiative Center (Lat, Lon):	33.881668°, -88.742500°
Nearby Counties (meeting alert criteria):	Chickasaw County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	45.81 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	307.80 K
Observed - Background BT (3.9 um)	10.63 K
BT Anomaly (3.9 um)	8.77 K
Maximum Observed - Clear RTM BT (3.9 um)	7.57 K
Maximum Observed BTD (3.9-10/11/12 um)	28.05 K
Observed - Background BTD (3.9-10/11/12 um)	10.42 K
BTD Anomaly (3.9-10/11/12 um)	8.38 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	0.89
Fraction of Surrounding Red Channel Pixels that are Brighter	0.98
Maximum Radiative Power	45.81 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	42.20°
Mean Solar Zenith Angle	23.70°
Mean Glint Angle	62.90°
Water Fraction	0.00
Total Pixel Area	5.40 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	2025-08-27 18:15:01UTC
Radiative Center (Lat, Lon):	32.928333°, -82.770554°
Nearby Counties (meeting alert criteria):	Washington County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	31.03 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	310.69 K
Observed - Background BT (3.9 um)	7.39 K
BT Anomaly (3.9 um)	9.75 K
Maximum Observed - Clear RTM BT (3.9 um)	10.10 K
Maximum Observed BTD (3.9-10/11/12 um)	19.33 K
Observed - Background BTD (3.9-10/11/12 um)	7.55 K
BTD Anomaly (3.9-10/11/12 um)	4.75 K
Similar Pixel Count	11
BT Time Tendency (3.9 um)	0.50 K
Image Interval	1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.41
Fraction of Surrounding Red Channel Pixels that are Brighter	0.44
Maximum Radiative Power	31.03 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	39.30°
Mean Solar Zenith Angle	24.40°
Mean Glint Angle	59.90°
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)	MS
Country/Countries	United States
County/Locality(s)	Humphreys County, MS
NWS WFO	Jackson MS
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-08-27 18:14:59UTC
Radiative Center (Lat, Lon):	32.967224°, -90.570557°
Nearby Counties (meeting alert criteria):	Humphreys County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	61.53 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	323.46 K
Observed - Background BT (3.9 um)	13.01 K
BT Anomaly (3.9 um)	5.24 K
Maximum Observed - Clear RTM BT (3.9 um)	17.31 K
Maximum Observed BTD (3.9-10/11/12 um)	30.92 K
Observed - Background BTD (3.9-10/11/12 um)	11.54 K
BTD Anomaly (3.9-10/11/12 um)	4.78 K
Similar Pixel Count	11
BT Time Tendency (3.9 um)	2.30 K
Image Interval	1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	1.00
Fraction of Surrounding Red Channel Pixels that are Brighter	0.64
Maximum Radiative Power	61.53 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	42.00°
Mean Solar Zenith Angle	22.60°
Mean Glint Angle	61.80°
Water Fraction	0.00
Total Pixel Area	5.40 km²
Latest Satellite Imagery:	MS-AL-GAw-FLw_750_m TXe-LA-ARs_750_m
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Next Generation Fire System (NGFS) - Experimental