Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-04-29
Time:	21:51:17
Production Date and Time:	2025-04-29 21:56:19 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20251192151174_e20251192153547_c20251192154049.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20251192146174_e20251192148547_c20251192149034.nc
Number Of Thermal Anomaly Alerts:	4

Basic Information
State/Province(s)	SD
Country/Countries	United States
County/Locality(s)	Kingsbury County, SD
NWS WFO	Sioux Falls SD
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-29 21:51:20UTC
Radiative Center (Lat, Lon):	44.518890°, -97.781387°
Nearby Counties (meeting alert criteria):	Kingsbury County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	35.68 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)	2.58 K
BT Anomaly (3.9 um)	2.06 K
Maximum Observed - Clear RTM BT (3.9 um)	15.02 K
Maximum Observed BTD (3.9-10/11/12 um)	8.56 K
Observed - Background BTD (3.9-10/11/12 um)	2.48 K
BTD Anomaly (3.9-10/11/12 um)	3.73 K
Similar Pixel Count	22
BT Time Tendency (3.9 um)	1.00 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.51
Fraction of Surrounding Red Channel Pixels that are Brighter	0.99
Maximum Radiative Power	9.83 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	56.30°
Mean Solar Zenith Angle	52.40°
Mean Glint Angle	61.70°
Water Fraction	0.00
Total Pixel Area	28.90 km²
Latest Satellite Imagery:	MN-WInw_750_m MNs-IA-MOnw-NEe_750_m ND-SDn_750_m SDs-NE-COne-KSnw_750_m
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Basic Information
State/Province(s)	Chihuahua
Country/Countries	Mexico
County/Locality(s)	Balleza, Chihuahua
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-29 21:52:48UTC
Radiative Center (Lat, Lon):	26.445833°, -106.716942°
Nearby Counties (meeting alert criteria):	Balleza (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	5.60 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	303.93 K
Observed - Background BT (3.9 um)	2.14 K
BT Anomaly (3.9 um)	1.42 K
Maximum Observed - Clear RTM BT (3.9 um)	8.60 K
Maximum Observed BTD (3.9-10/11/12 um)	7.23 K
Observed - Background BTD (3.9-10/11/12 um)	1.75 K
BTD Anomaly (3.9-10/11/12 um)	4.42 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	0.70 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.55
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	5.60 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	46.80°
Mean Solar Zenith Angle	40.90°
Mean Glint Angle	31.20°
Water Fraction	0.00
Total Pixel Area	5.80 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	2025-04-29 21:53:22UTC
Radiative Center (Lat, Lon):	22.788610°, -80.996109°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	17.38 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	306.11 K
Observed - Background BT (3.9 um)	3.39 K
BT Anomaly (3.9 um)	2.27 K
Maximum Observed - Clear RTM BT (3.9 um)	5.84 K
Maximum Observed BTD (3.9-10/11/12 um)	9.47 K
Observed - Background BTD (3.9-10/11/12 um)	3.40 K
BTD Anomaly (3.9-10/11/12 um)	3.30 K
Similar Pixel Count	9
BT Time Tendency (3.9 um)	1.60 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.50
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	9.37 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	27.60°
Mean Solar Zenith Angle	64.10°
Mean Glint Angle	58.10°
Water Fraction	0.00
Total Pixel Area	9.00 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	2025-04-29 21:53:22UTC
Radiative Center (Lat, Lon):	22.392221°, -80.119720°
Nearby Counties (meeting alert criteria):	Unknown (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)	308.61 K
Observed - Background BT (3.9 um)	5.71 K
BT Anomaly (3.9 um)	4.18 K
Maximum Observed - Clear RTM BT (3.9 um)	10.10 K
Maximum Observed BTD (3.9-10/11/12 um)	11.85 K
Observed - Background BTD (3.9-10/11/12 um)	4.82 K
BTD Anomaly (3.9-10/11/12 um)	4.73 K
Similar Pixel Count	8
BT Time Tendency (3.9 um)	2.70 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	0.56
Maximum Radiative Power	13.64 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	26.90°
Mean Solar Zenith Angle	65.00°
Mean Glint Angle	59.50°
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