Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-04-21
Time:	15:26:17
Production Date and Time:	2025-04-21 15:31:10 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20251111526176_e20251111528549_c20251111529048.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20251111521176_e20251111523549_c20251111524013.nc
Number Of Thermal Anomaly Alerts:	5

Basic Information
State/Province(s)	AL
Country/Countries	United States
County/Locality(s)	Cherokee County, AL
NWS WFO	Birmingham AL
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 15:27:21UTC
Radiative Center (Lat, Lon):	34.346111°, -85.542778°
Nearby Counties (meeting alert criteria):	Cherokee County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	16.12 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	303.24 K
Observed - Background BT (3.9 um)	5.32 K
BT Anomaly (3.9 um)	4.22 K
Maximum Observed - Clear RTM BT (3.9 um)	10.79 K
Maximum Observed BTD (3.9-10/11/12 um)	18.79 K
Observed - Background BTD (3.9-10/11/12 um)	5.30 K
BTD Anomaly (3.9-10/11/12 um)	2.93 K
Similar Pixel Count	21
BT Time Tendency (3.9 um)	2.20 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.58
Fraction of Surrounding Red Channel Pixels that are Brighter	0.84
Maximum Radiative Power	16.12 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	41.60°
Mean Solar Zenith Angle	38.10°
Mean Glint Angle	73.10°
Water Fraction	0.00
Total Pixel Area	5.40 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	2025-04-21 15:27:21UTC
Radiative Center (Lat, Lon):	30.728056°, -84.065834°
Nearby Counties (meeting alert criteria):	Thomas County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	13.64 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	299.82 K
Observed - Background BT (3.9 um)	4.82 K
BT Anomaly (3.9 um)	2.56 K
Maximum Observed - Clear RTM BT (3.9 um)	4.69 K
Maximum Observed BTD (3.9-10/11/12 um)	21.03 K
Observed - Background BTD (3.9-10/11/12 um)	4.75 K
BTD Anomaly (3.9-10/11/12 um)	2.86 K
Similar Pixel Count	20
BT Time Tendency (3.9 um)	5.10 K
Image Interval	5.00 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	13.64 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	37.30°
Mean Solar Zenith Angle	35.40°
Mean Glint Angle	65.70°
Water Fraction	0.00
Total Pixel Area	5.00 km²
Latest Satellite Imagery:	MS-AL-GAw-FLw_750_m SCs-GAe-FLn_750_m
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Basic Information
State/Province(s)	Unknown
Country/Countries	Cuba
County/Locality(s)	Unknown, Unknown
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 15:28:22UTC
Radiative Center (Lat, Lon):	22.952499°, -80.864441°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	13.97 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	312.67 K
Observed - Background BT (3.9 um)	4.88 K
BT Anomaly (3.9 um)	2.88 K
Maximum Observed - Clear RTM BT (3.9 um)	9.24 K
Maximum Observed BTD (3.9-10/11/12 um)	12.09 K
Observed - Background BTD (3.9-10/11/12 um)	4.15 K
BTD Anomaly (3.9-10/11/12 um)	4.55 K
Similar Pixel Count	20
BT Time Tendency (3.9 um)	3.30 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.82
Fraction of Surrounding Red Channel Pixels that are Brighter	0.83
Maximum Radiative Power	13.97 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	27.70°
Mean Solar Zenith Angle	29.80°
Mean Glint Angle	49.80°
Water Fraction	0.00
Total Pixel Area	4.50 km²
Latest Satellite Imagery:	None Available
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Basic Information
State/Province(s)	Unknown
Country/Countries	Cuba
County/Locality(s)	Unknown, Unknown
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 15:28:22UTC
Radiative Center (Lat, Lon):	21.814167°, -79.007774°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	43.18 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	319.13 K
Observed - Background BT (3.9 um)	6.67 K
BT Anomaly (3.9 um)	4.45 K
Maximum Observed - Clear RTM BT (3.9 um)	16.80 K
Maximum Observed BTD (3.9-10/11/12 um)	15.49 K
Observed - Background BTD (3.9-10/11/12 um)	5.28 K
BTD Anomaly (3.9-10/11/12 um)	5.42 K
Similar Pixel Count	13
BT Time Tendency (3.9 um)	3.60 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.98
Fraction of Surrounding Red Channel Pixels that are Brighter	0.99
Maximum Radiative Power	23.56 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	26.00°
Mean Solar Zenith Angle	27.80°
Mean Glint Angle	45.60°
Water Fraction	0.00
Total Pixel Area	8.90 km²
Latest Satellite Imagery:	None Available
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Basic Information
State/Province(s)	Unknown
Country/Countries	Cuba
County/Locality(s)	Unknown, Unknown
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 15:28:22UTC
Radiative Center (Lat, Lon):	21.778334°, -79.875832°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	6.79 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	313.60 K
Observed - Background BT (3.9 um)	2.83 K
BT Anomaly (3.9 um)	1.30 K
Maximum Observed - Clear RTM BT (3.9 um)	12.84 K
Maximum Observed BTD (3.9-10/11/12 um)	10.14 K
Observed - Background BTD (3.9-10/11/12 um)	2.13 K
BTD Anomaly (3.9-10/11/12 um)	2.08 K
Similar Pixel Count	21
BT Time Tendency (3.9 um)	1.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.86
Fraction of Surrounding Red Channel Pixels that are Brighter	0.78
Maximum Radiative Power	6.79 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	26.20°
Mean Solar Zenith Angle	28.60°
Mean Glint Angle	46.70°
Water Fraction	0.00
Total Pixel Area	4.50 km²
Latest Satellite Imagery:	None Available
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Next Generation Fire System (NGFS) - Experimental