Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-06-09
Time:	21:06:17
Production Date and Time:	2025-06-09 21:11:16 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20251602106179_e20251602108552_c20251602109025.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20251602101179_e20251602103552_c20251602104029.nc
Number Of Thermal Anomaly Alerts:	4

Basic Information
State/Province(s)	MT
Country/Countries	United States
County/Locality(s)	Lewis and Clark County, MT
NWS WFO	Great Falls MT
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-06-09 21:06:19UTC
Radiative Center (Lat, Lon):	46.855000°, -111.982224°
Nearby Counties (meeting alert criteria):	Lewis and Clark County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	37.69 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	316.35 K
Observed - Background BT (3.9 um)	4.97 K
BT Anomaly (3.9 um)	4.02 K
Maximum Observed - Clear RTM BT (3.9 um)	14.21 K
Maximum Observed BTD (3.9-10/11/12 um)	13.56 K
Observed - Background BTD (3.9-10/11/12 um)	4.00 K
BTD Anomaly (3.9-10/11/12 um)	4.73 K
Similar Pixel Count	17
BT Time Tendency (3.9 um)	3.50 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.94
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	37.69 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	65.10°
Mean Solar Zenith Angle	31.20°
Mean Glint Angle	66.80°
Water Fraction	0.00
Total Pixel Area	9.50 km²
Latest Satellite Imagery:	IDn-MTw_750_m MTe_750_m
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Basic Information
State/Province(s)	CA
Country/Countries	United States
County/Locality(s)	Monterey County, CA
NWS WFO	San Francisco CA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-06-09 21:07:18UTC
Radiative Center (Lat, Lon):	35.965279°, -121.254166°
Nearby Counties (meeting alert criteria):	Monterey County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	87.18 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	324.25 K
Observed - Background BT (3.9 um)	9.23 K
BT Anomaly (3.9 um)	3.57 K
Maximum Observed - Clear RTM BT (3.9 um)	19.61 K
Maximum Observed BTD (3.9-10/11/12 um)	20.70 K
Observed - Background BTD (3.9-10/11/12 um)	8.39 K
BTD Anomaly (3.9-10/11/12 um)	5.87 K
Similar Pixel Count	9
BT Time Tendency (3.9 um)	4.80 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.94
Fraction of Surrounding Red Channel Pixels that are Brighter	0.73
Maximum Radiative Power	87.18 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	64.00°
Mean Solar Zenith Angle	18.90°
Mean Glint Angle	58.80°
Water Fraction	0.00
Total Pixel Area	9.10 km²
Latest Satellite Imagery:	CAcentral_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	2025-06-09 21:08:22UTC
Radiative Center (Lat, Lon):	22.975555°, -81.226387°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	12.72 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	307.48 K
Observed - Background BT (3.9 um)	2.82 K
BT Anomaly (3.9 um)	1.08 K
Maximum Observed - Clear RTM BT (3.9 um)	5.25 K
Maximum Observed BTD (3.9-10/11/12 um)	14.05 K
Observed - Background BTD (3.9-10/11/12 um)	2.77 K
BTD Anomaly (3.9-10/11/12 um)	1.32 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	0.60 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.61
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	12.72 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	27.90°
Mean Solar Zenith Angle	51.00°
Mean Glint Angle	44.00°
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	2025-06-09 21:08:22UTC
Radiative Center (Lat, Lon):	22.060833°, -79.372223°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	14.95 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	310.49 K
Observed - Background BT (3.9 um)	5.15 K
BT Anomaly (3.9 um)	4.27 K
Maximum Observed - Clear RTM BT (3.9 um)	9.99 K
Maximum Observed BTD (3.9-10/11/12 um)	16.78 K
Observed - Background BTD (3.9-10/11/12 um)	4.69 K
BTD Anomaly (3.9-10/11/12 um)	3.47 K
Similar Pixel Count	20
BT Time Tendency (3.9 um)	2.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.89
Fraction of Surrounding Red Channel Pixels that are Brighter	0.94
Maximum Radiative Power	14.95 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	26.40°
Mean Solar Zenith Angle	52.80°
Mean Glint Angle	46.90°
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