Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-04-21
Time:	17:16:17
Production Date and Time:	2025-04-21 17:21:22 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20251111716176_e20251111718549_c20251111719040.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20251111711176_e20251111713549_c20251111714039.nc
Number Of Thermal Anomaly Alerts:	7

Possible Wildfire

Basic Information
State/Province(s)	MT
Country/Countries	United States
County/Locality(s)	Chouteau County, MT
NWS WFO	Great Falls MT
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-04-21 17:16:19UTC
Radiative Center (Lat, Lon):	47.788612°, -110.576111°
Nearby Counties (meeting alert criteria):	Chouteau County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	33.49 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	303.93 K
Observed - Background BT (3.9 um)	7.83 K
BT Anomaly (3.9 um)	4.71 K
Maximum Observed - Clear RTM BT (3.9 um)	19.10 K
Maximum Observed BTD (3.9-10/11/12 um)	25.25 K
Observed - Background BTD (3.9-10/11/12 um)	8.30 K
BTD Anomaly (3.9-10/11/12 um)	4.43 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	2.30 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.58
Fraction of Surrounding Red Channel Pixels that are Brighter	0.59
Maximum Radiative Power	33.49 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	65.10°
Mean Solar Zenith Angle	44.60°
Mean Glint Angle	109.70°
Water Fraction	0.00
Total Pixel Area	9.50 km²
Latest Satellite Imagery:	IDn-MTw_750_m MTe_750_m
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Possible Wildfire

Basic Information
State/Province(s)	NE
Country/Countries	United States
County/Locality(s)	Richardson County, NE
NWS WFO	Omaha/Valley NE
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-04-21 17:16:50UTC
Radiative Center (Lat, Lon):	40.009445°, -95.546669°
Nearby Counties (meeting alert criteria):	Richardson County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	41.68 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	315.04 K
Observed - Background BT (3.9 um)	9.55 K
BT Anomaly (3.9 um)	7.52 K
Maximum Observed - Clear RTM BT (3.9 um)	24.17 K
Maximum Observed BTD (3.9-10/11/12 um)	20.96 K
Observed - Background BTD (3.9-10/11/12 um)	8.56 K
BTD Anomaly (3.9-10/11/12 um)	13.66 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	8.20 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.92
Fraction of Surrounding Red Channel Pixels that are Brighter	0.99
Maximum Radiative Power	41.68 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	51.10°
Mean Solar Zenith Angle	31.80°
Mean Glint Angle	82.90°
Water Fraction	0.00
Total Pixel Area	6.40 km²
Latest Satellite Imagery:	MNs-IA-MOnw-NEe_750_m
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Possible Wildfire

Basic Information
State/Province(s)	KS
Country/Countries	United States
County/Locality(s)	Washington County, KS
NWS WFO	Topeka KS
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 17:16:50UTC
Radiative Center (Lat, Lon):	39.823334°, -96.968330°
Nearby Counties (meeting alert criteria):	Washington County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	12.47 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	306.57 K
Observed - Background BT (3.9 um)	3.31 K
BT Anomaly (3.9 um)	2.93 K
Maximum Observed - Clear RTM BT (3.9 um)	15.39 K
Maximum Observed BTD (3.9-10/11/12 um)	13.84 K
Observed - Background BTD (3.9-10/11/12 um)	3.16 K
BTD Anomaly (3.9-10/11/12 um)	4.27 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	1.80 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.57
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	12.47 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	51.50°
Mean Solar Zenith Angle	32.30°
Mean Glint Angle	83.80°
Water Fraction	0.00
Total Pixel Area	6.40 km²
Latest Satellite Imagery:	MNs-IA-MOnw-NEe_750_m
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Possible Wildfire

Basic Information
State/Province(s)	NC
Country/Countries	United States
County/Locality(s)	Caswell County, NC
NWS WFO	Blacksburg VA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 17:16:52UTC
Radiative Center (Lat, Lon):	36.373611°, -79.290276°
Nearby Counties (meeting alert criteria):	Caswell County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	9.46 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	304.15 K
Observed - Background BT (3.9 um)	1.83 K
BT Anomaly (3.9 um)	2.20 K
Maximum Observed - Clear RTM BT (3.9 um)	8.49 K
Maximum Observed BTD (3.9-10/11/12 um)	10.63 K
Observed - Background BTD (3.9-10/11/12 um)	2.31 K
BTD Anomaly (3.9-10/11/12 um)	3.61 K
Similar Pixel Count	24
BT Time Tendency (3.9 um)	1.60 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.53
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	9.46 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	42.60°
Mean Solar Zenith Angle	24.80°
Mean Glint Angle	67.30°
Water Fraction	0.00
Total Pixel Area	5.40 km²
Latest Satellite Imagery:	WV-KYe-VAw-NCw-TNe-SCn_750_m
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Possible Wildfire

Basic Information
State/Province(s)	AL
Country/Countries	United States
County/Locality(s)	Clarke County, AL
NWS WFO	Mobile AL
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2025-04-21 17:17:21UTC
Radiative Center (Lat, Lon):	31.556389°, -87.736115°
Nearby Counties (meeting alert criteria):	Clarke County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	85.92 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	311.35 K
Observed - Background BT (3.9 um)	10.24 K
BT Anomaly (3.9 um)	6.91 K
Maximum Observed - Clear RTM BT (3.9 um)	16.08 K
Maximum Observed BTD (3.9-10/11/12 um)	27.23 K
Observed - Background BTD (3.9-10/11/12 um)	10.31 K
BTD Anomaly (3.9-10/11/12 um)	6.56 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	7.00 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	0.37
Maximum Radiative Power	44.35 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	39.40°
Mean Solar Zenith Angle	21.40°
Mean Glint Angle	60.80°
Water Fraction	0.00
Total Pixel Area	10.30 km²
Latest Satellite Imagery:	MS-AL-GAw-FLw_750_m
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Possible Wildfire

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 17:18:21UTC
Radiative Center (Lat, Lon):	22.804167°, -82.842499°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	26.17 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	319.92 K
Observed - Background BT (3.9 um)	6.76 K
BT Anomaly (3.9 um)	2.21 K
Maximum Observed - Clear RTM BT (3.9 um)	13.71 K
Maximum Observed BTD (3.9-10/11/12 um)	16.84 K
Observed - Background BTD (3.9-10/11/12 um)	6.45 K
BTD Anomaly (3.9-10/11/12 um)	3.13 K
Similar Pixel Count	4
BT Time Tendency (3.9 um)	5.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.85
Fraction of Surrounding Red Channel Pixels that are Brighter	0.99
Maximum Radiative Power	26.17 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	28.20°
Mean Solar Zenith Angle	11.70°
Mean Glint Angle	39.90°
Water Fraction	0.00
Total Pixel Area	4.50 km²
Latest Satellite Imagery:	None Available
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Possible Wildfire

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 17:18:22UTC
Radiative Center (Lat, Lon):	22.543056°, -81.143059°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	11.05 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	322.14 K
Observed - Background BT (3.9 um)	4.27 K
BT Anomaly (3.9 um)	2.98 K
Maximum Observed - Clear RTM BT (3.9 um)	13.50 K
Maximum Observed BTD (3.9-10/11/12 um)	14.39 K
Observed - Background BTD (3.9-10/11/12 um)	3.27 K
BTD Anomaly (3.9-10/11/12 um)	3.92 K
Similar Pixel Count	24
BT Time Tendency (3.9 um)	0.90 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.95
Fraction of Surrounding Red Channel Pixels that are Brighter	0.95
Maximum Radiative Power	11.05 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	27.40°
Mean Solar Zenith Angle	11.10°
Mean Glint Angle	38.40°
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

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Possible Wildfire

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