Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-04-29
Time:	21:31:17
Production Date and Time:	2025-04-29 21:36:20 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20251192131174_e20251192133547_c20251192134011.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20251192126174_e20251192128547_c20251192129037.nc
Number Of Thermal Anomaly Alerts:	4

Basic Information
State/Province(s)	MN
Country/Countries	United States
County/Locality(s)	Big Stone County, MN
NWS WFO	Aberdeen SD
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-29 21:31:20UTC
Radiative Center (Lat, Lon):	45.314724°, -96.446945°
Nearby Counties (meeting alert criteria):	Big Stone County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	72.43 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	303.61 K
Observed - Background BT (3.9 um)	7.54 K
BT Anomaly (3.9 um)	4.74 K
Maximum Observed - Clear RTM BT (3.9 um)	16.11 K
Maximum Observed BTD (3.9-10/11/12 um)	11.60 K
Observed - Background BTD (3.9-10/11/12 um)	5.83 K
BTD Anomaly (3.9-10/11/12 um)	12.96 K
Similar Pixel Count	4
BT Time Tendency (3.9 um)	6.50 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	36.85 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	56.60°
Mean Solar Zenith Angle	50.30°
Mean Glint Angle	65.30°
Water Fraction	0.00
Total Pixel Area	29.10 km²
Latest Satellite Imagery:	MN-WInw_750_m
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Basic Information
State/Province(s)	MN
Country/Countries	United States
County/Locality(s)	Lincoln County, MN
NWS WFO	Sioux Falls SD
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-29 21:31:20UTC
Radiative Center (Lat, Lon):	44.598057°, -96.305557°
Nearby Counties (meeting alert criteria):	Lincoln County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	9.32 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	300.76 K
Observed - Background BT (3.9 um)	2.46 K
BT Anomaly (3.9 um)	2.25 K
Maximum Observed - Clear RTM BT (3.9 um)	14.97 K
Maximum Observed BTD (3.9-10/11/12 um)	8.31 K
Observed - Background BTD (3.9-10/11/12 um)	2.64 K
BTD Anomaly (3.9-10/11/12 um)	8.11 K
Similar Pixel Count	16
BT Time Tendency (3.9 um)	2.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.43
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	9.32 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	55.80°
Mean Solar Zenith Angle	50.10°
Mean Glint Angle	64.20°
Water Fraction	0.00
Total Pixel Area	7.10 km²
Latest Satellite Imagery:	MN-WInw_750_m MNs-IA-MOnw-NEe_750_m
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Basic Information
State/Province(s)	KS
Country/Countries	United States
County/Locality(s)	Marion County, KS
NWS WFO	Wichita KS
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-29 21:31:50UTC
Radiative Center (Lat, Lon):	38.294998°, -96.982498°
Nearby Counties (meeting alert criteria):	Marion County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	31.53 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	303.75 K
Observed - Background BT (3.9 um)	5.87 K
BT Anomaly (3.9 um)	6.08 K
Maximum Observed - Clear RTM BT (3.9 um)	17.10 K
Maximum Observed BTD (3.9-10/11/12 um)	13.71 K
Observed - Background BTD (3.9-10/11/12 um)	5.25 K
BTD Anomaly (3.9-10/11/12 um)	8.92 K
Similar Pixel Count	6
BT Time Tendency (3.9 um)	4.00 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.74
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	31.53 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	50.10°
Mean Solar Zenith Angle	47.50°
Mean Glint Angle	54.30°
Water Fraction	0.00
Total Pixel Area	12.50 km²
Latest Satellite Imagery:	MOsw-KSe-OKe-ARnw_750_m
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Basic Information
State/Province(s)	SC
Country/Countries	United States
County/Locality(s)	Colleton County, SC
NWS WFO	Charleston SC
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-29 21:32:22UTC
Radiative Center (Lat, Lon):	32.858891°, -80.864166°
Nearby Counties (meeting alert criteria):	Colleton County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	12.06 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	301.39 K
Observed - Background BT (3.9 um)	3.91 K
BT Anomaly (3.9 um)	6.50 K
Maximum Observed - Clear RTM BT (3.9 um)	7.38 K
Maximum Observed BTD (3.9-10/11/12 um)	10.06 K
Observed - Background BTD (3.9-10/11/12 um)	4.07 K
BTD Anomaly (3.9-10/11/12 um)	8.58 K
Similar Pixel Count	6
BT Time Tendency (3.9 um)	0.90 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.31
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	12.06 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	38.90°
Mean Solar Zenith Angle	59.50°
Mean Glint Angle	62.00°
Water Fraction	0.00
Total Pixel Area	5.10 km²
Latest Satellite Imagery:	SCs-GAe-FLn_750_m
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Next Generation Fire System (NGFS) - Experimental