Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-05-21
Time:	15:16:17
Production Date and Time:	2025-05-21 15:21:13 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20251411516173_e20251411518546_c20251411519027.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20251411511173_e20251411513546_c20251411514052.nc
Number Of Thermal Anomaly Alerts:	4

Basic Information
State/Province(s)	AR
Country/Countries	United States
County/Locality(s)	Saline County, AR
NWS WFO	Little Rock AR
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-05-21 15:17:20UTC
Radiative Center (Lat, Lon):	34.656944°, -92.899445°
Nearby Counties (meeting alert criteria):	Saline County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	28.49 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	303.46 K
Observed - Background BT (3.9 um)	5.93 K
BT Anomaly (3.9 um)	6.79 K
Maximum Observed - Clear RTM BT (3.9 um)	10.78 K
Maximum Observed BTD (3.9-10/11/12 um)	9.66 K
Observed - Background BTD (3.9-10/11/12 um)	5.39 K
BTD Anomaly (3.9-10/11/12 um)	13.39 K
Similar Pixel Count	2
BT Time Tendency (3.9 um)	1.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.88
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	16.61 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	44.70°
Mean Solar Zenith Angle	40.40°
Mean Glint Angle	75.30°
Water Fraction	0.00
Total Pixel Area	11.30 km²
Latest Satellite Imagery:	MOsw-KSe-OKe-ARnw_750_m
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Basic Information
State/Province(s)	OK
Country/Countries	United States
County/Locality(s)	Love County, OK
NWS WFO	Norman OK
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-05-21 15:17:20UTC
Radiative Center (Lat, Lon):	34.025276°, -97.214165°
Nearby Counties (meeting alert criteria):	Love County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	12.65 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	301.89 K
Observed - Background BT (3.9 um)	2.94 K
BT Anomaly (3.9 um)	2.83 K
Maximum Observed - Clear RTM BT (3.9 um)	10.39 K
Maximum Observed BTD (3.9-10/11/12 um)	8.15 K
Observed - Background BTD (3.9-10/11/12 um)	4.06 K
BTD Anomaly (3.9-10/11/12 um)	8.35 K
Similar Pixel Count	7
BT Time Tendency (3.9 um)	1.30 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.12
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	12.65 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	46.30°
Mean Solar Zenith Angle	43.90°
Mean Glint Angle	80.60°
Water Fraction	0.00
Total Pixel Area	5.80 km²
Latest Satellite Imagery:	TXe-LA-ARs_750_m TXw_750_m
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Basic Information
State/Province(s)	CA
Country/Countries	United States
County/Locality(s)	Riverside County, CA
NWS WFO	San Diego CA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-05-21 15:17:18UTC
Radiative Center (Lat, Lon):	33.843613°, -117.392776°
Nearby Counties (meeting alert criteria):	Riverside County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	24.86 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	306.80 K
Observed - Background BT (3.9 um)	5.38 K
BT Anomaly (3.9 um)	5.60 K
Maximum Observed - Clear RTM BT (3.9 um)	9.93 K
Maximum Observed BTD (3.9-10/11/12 um)	9.64 K
Observed - Background BTD (3.9-10/11/12 um)	4.21 K
BTD Anomaly (3.9-10/11/12 um)	6.93 K
Similar Pixel Count	3
BT Time Tendency (3.9 um)	1.00 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.96
Fraction of Surrounding Red Channel Pixels that are Brighter	0.93
Maximum Radiative Power	24.86 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	59.90°
Mean Solar Zenith Angle	60.60°
Mean Glint Angle	110.80°
Water Fraction	0.00
Total Pixel Area	8.00 km²
Latest Satellite Imagery:	AZsw-CAse_750_m CAs_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	2025-05-21 15:18:22UTC
Radiative Center (Lat, Lon):	21.811388°, -78.297226°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	23.11 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	315.24 K
Observed - Background BT (3.9 um)	4.59 K
BT Anomaly (3.9 um)	1.78 K
Maximum Observed - Clear RTM BT (3.9 um)	8.90 K
Maximum Observed BTD (3.9-10/11/12 um)	17.57 K
Observed - Background BTD (3.9-10/11/12 um)	5.20 K
BTD Anomaly (3.9-10/11/12 um)	2.77 K
Similar Pixel Count	10
BT Time Tendency (3.9 um)	5.50 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.21
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	23.11 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	25.90°
Mean Solar Zenith Angle	26.40°
Mean Glint Angle	38.50°
Water Fraction	0.00
Total Pixel Area	4.40 km²
Latest Satellite Imagery:	None Available
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Next Generation Fire System (NGFS) - Experimental