Next Generation Fire System (NGFS) -- CIMSS

Date:	2025-04-21
Time:	20:16:17
Production Date and Time:	2025-04-21 20:21:21 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20251112016176_e20251112018549_c20251112019039.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20251112011176_e20251112013549_c20251112014046.nc
Number Of Thermal Anomaly Alerts:	5

Basic Information
State/Province(s)	SD
Country/Countries	United States
County/Locality(s)	Brookings County, SD
NWS WFO	Sioux Falls SD
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 20:16:20UTC
Radiative Center (Lat, Lon):	44.452221°, -97.066948°
Nearby Counties (meeting alert criteria):	Brookings County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	15.31 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	307.95 K
Observed - Background BT (3.9 um)	3.20 K
BT Anomaly (3.9 um)	2.96 K
Maximum Observed - Clear RTM BT (3.9 um)	17.45 K
Maximum Observed BTD (3.9-10/11/12 um)	13.24 K
Observed - Background BTD (3.9-10/11/12 um)	2.96 K
BTD Anomaly (3.9-10/11/12 um)	4.43 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	2.20 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	0.99
Maximum Radiative Power	15.31 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	56.00°
Mean Solar Zenith Angle	40.40°
Mean Glint Angle	74.00°
Water Fraction	0.00
Total Pixel Area	7.20 km²
Latest Satellite Imagery:	MN-WInw_750_m MNs-IA-MOnw-NEe_750_m
Show More ▲ Show Less ▼ View all event imagery »

Basic Information
State/Province(s)	CA
Country/Countries	United States
County/Locality(s)	Modoc County, CA
NWS WFO	Medford OR
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-04-21 20:16:48UTC
Radiative Center (Lat, Lon):	41.928890°, -121.450279°
Nearby Counties (meeting alert criteria):	Modoc County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	52.08 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	311.20 K
Observed - Background BT (3.9 um)	7.50 K
BT Anomaly (3.9 um)	5.56 K
Maximum Observed - Clear RTM BT (3.9 um)	22.42 K
Maximum Observed BTD (3.9-10/11/12 um)	15.03 K
Observed - Background BTD (3.9-10/11/12 um)	7.21 K
BTD Anomaly (3.9-10/11/12 um)	10.05 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	7.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.77
Fraction of Surrounding Red Channel Pixels that are Brighter	0.96
Maximum Radiative Power	52.08 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	67.50°
Mean Solar Zenith Angle	30.50°
Mean Glint Angle	83.30°
Water Fraction	0.00
Total Pixel Area	10.50 km²
Latest Satellite Imagery:	ORsw-CAn_750_m
Show More ▲ Show Less ▼ View all event imagery »

Basic Information
State/Province(s)	CA
Country/Countries	United States
County/Locality(s)	Kings County, CA
NWS WFO	Hanford CA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 20:17:18UTC
Radiative Center (Lat, Lon):	36.284168°, -119.630836°
Nearby Counties (meeting alert criteria):	Kings County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	49.04 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	316.73 K
Observed - Background BT (3.9 um)	6.25 K
BT Anomaly (3.9 um)	2.98 K
Maximum Observed - Clear RTM BT (3.9 um)	15.96 K
Maximum Observed BTD (3.9-10/11/12 um)	15.94 K
Observed - Background BTD (3.9-10/11/12 um)	5.44 K
BTD Anomaly (3.9-10/11/12 um)	3.56 K
Similar Pixel Count	23
BT Time Tendency (3.9 um)	2.80 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.90
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	49.04 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	63.00°
Mean Solar Zenith Angle	25.10°
Mean Glint Angle	73.60°
Water Fraction	0.00
Total Pixel Area	8.80 km²
Latest Satellite Imagery:	CAcentral_750_m CAs_750_m
Show More ▲ Show Less ▼ View all event imagery »

Basic Information
State/Province(s)	AL
Country/Countries	United States
County/Locality(s)	Mobile County, AL
NWS WFO	Mobile AL
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 20:17:21UTC
Radiative Center (Lat, Lon):	30.365833°, -88.127777°
Nearby Counties (meeting alert criteria):	Mobile County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	33.47 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	309.87 K
Observed - Background BT (3.9 um)	13.50 K
BT Anomaly (3.9 um)	6.19 K
Maximum Observed - Clear RTM BT (3.9 um)	14.60 K
Maximum Observed BTD (3.9-10/11/12 um)	20.71 K
Observed - Background BTD (3.9-10/11/12 um)	12.91 K
BTD Anomaly (3.9-10/11/12 um)	5.26 K
Similar Pixel Count	1
BT Time Tendency (3.9 um)	4.90 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.83
Fraction of Surrounding Red Channel Pixels that are Brighter	0.19
Maximum Radiative Power	33.47 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	38.30°
Mean Solar Zenith Angle	38.50°
Mean Glint Angle	50.60°
Water Fraction	0.00
Total Pixel Area	5.10 km²
Latest Satellite Imagery:	MS-AL-GAw-FLw_750_m
Show More ▲ Show Less ▼ View all event imagery »

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 20:18:22UTC
Radiative Center (Lat, Lon):	21.423611°, -77.913330°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	9.97 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	311.82 K
Observed - Background BT (3.9 um)	2.96 K
BT Anomaly (3.9 um)	1.08 K
Maximum Observed - Clear RTM BT (3.9 um)	9.80 K
Maximum Observed BTD (3.9-10/11/12 um)	12.02 K
Observed - Background BTD (3.9-10/11/12 um)	2.50 K
BTD Anomaly (3.9-10/11/12 um)	1.05 K
Similar Pixel Count	23
BT Time Tendency (3.9 um)	2.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.70
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	9.97 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	25.40°
Mean Solar Zenith Angle	45.50°
Mean Glint Angle	49.70°
Water Fraction	0.00
Total Pixel Area	4.40 km²
Latest Satellite Imagery:	None Available
Show More ▲ Show Less ▼ View all event imagery »

Next Generation Fire System (NGFS)