Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-04-21
Time:	17:51:17
Production Date and Time:	2025-04-21 17:56:15 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20251111751176_e20251111753549_c20251111754046.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20251111746176_e20251111748549_c20251111749048.nc
Number Of Thermal Anomaly Alerts:	8

Possible Wildfire

Basic Information
State/Province(s)	IA
Country/Countries	United States
County/Locality(s)	Plymouth County, IA
NWS WFO	Sioux Falls SD
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 17:51:50UTC
Radiative Center (Lat, Lon):	42.816944°, -96.471947°
Nearby Counties (meeting alert criteria):	Plymouth County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	13.97 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	312.32 K
Observed - Background BT (3.9 um)	2.48 K
BT Anomaly (3.9 um)	1.79 K
Maximum Observed - Clear RTM BT (3.9 um)	19.11 K
Maximum Observed BTD (3.9-10/11/12 um)	14.24 K
Observed - Background BTD (3.9-10/11/12 um)	2.29 K
BTD Anomaly (3.9-10/11/12 um)	4.22 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	1.50 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	0.95
Maximum Radiative Power	13.97 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	54.20°
Mean Solar Zenith Angle	32.10°
Mean Glint Angle	85.50°
Water Fraction	0.00
Total Pixel Area	6.80 km²
Latest Satellite Imagery:	MNs-IA-MOnw-NEe_750_m
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Possible Wildfire

Basic Information
State/Province(s)	NE
Country/Countries	United States
County/Locality(s)	Cass County, NE
NWS WFO	Omaha/Valley NE
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 17:51:50UTC
Radiative Center (Lat, Lon):	40.929443°, -96.383888°
Nearby Counties (meeting alert criteria):	Cass County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	9.57 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	308.02 K
Observed - Background BT (3.9 um)	2.97 K
BT Anomaly (3.9 um)	2.38 K
Maximum Observed - Clear RTM BT (3.9 um)	13.45 K
Maximum Observed BTD (3.9-10/11/12 um)	14.25 K
Observed - Background BTD (3.9-10/11/12 um)	2.54 K
BTD Anomaly (3.9-10/11/12 um)	4.39 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	0.69
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	9.57 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	52.30°
Mean Solar Zenith Angle	30.30°
Mean Glint Angle	81.90°
Water Fraction	0.00
Total Pixel Area	6.50 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)	Wabaunsee County, KS
NWS WFO	Topeka KS
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 17:51:50UTC
Radiative Center (Lat, Lon):	39.079166°, -95.988892°
Nearby Counties (meeting alert criteria):	Wabaunsee County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	29.05 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	308.76 K
Observed - Background BT (3.9 um)	7.99 K
BT Anomaly (3.9 um)	5.63 K
Maximum Observed - Clear RTM BT (3.9 um)	15.66 K
Maximum Observed BTD (3.9-10/11/12 um)	16.79 K
Observed - Background BTD (3.9-10/11/12 um)	7.67 K
BTD Anomaly (3.9-10/11/12 um)	7.30 K
Similar Pixel Count	4
BT Time Tendency (3.9 um)	7.40 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.69
Fraction of Surrounding Red Channel Pixels that are Brighter	0.75
Maximum Radiative Power	29.05 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	50.40°
Mean Solar Zenith Angle	28.40°
Mean Glint Angle	78.10°
Water Fraction	0.00
Total Pixel Area	6.30 km²
Latest Satellite Imagery:	MNs-IA-MOnw-NEe_750_m MOsw-KSe-OKe-ARnw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	CA
Country/Countries	United States
County/Locality(s)	Butte County, CA
NWS WFO	Sacramento CA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-21 17:51:48UTC
Radiative Center (Lat, Lon):	39.777779°, -122.024170°
Nearby Counties (meeting alert criteria):	Butte County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	30.09 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	302.31 K
Observed - Background BT (3.9 um)	3.16 K
BT Anomaly (3.9 um)	2.28 K
Maximum Observed - Clear RTM BT (3.9 um)	11.36 K
Maximum Observed BTD (3.9-10/11/12 um)	11.92 K
Observed - Background BTD (3.9-10/11/12 um)	4.27 K
BTD Anomaly (3.9-10/11/12 um)	4.83 K
Similar Pixel Count	6
BT Time Tendency (3.9 um)	1.30 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.08
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	30.09 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	66.70°
Mean Solar Zenith Angle	41.10°
Mean Glint Angle	107.70°
Water Fraction	0.00
Total Pixel Area	10.10 km²
Latest Satellite Imagery:	CAcentral_750_m ORsw-CAn_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 17:53:22UTC
Radiative Center (Lat, Lon):	22.956388°, -81.405830°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	13.67 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	316.83 K
Observed - Background BT (3.9 um)	4.60 K
BT Anomaly (3.9 um)	2.17 K
Maximum Observed - Clear RTM BT (3.9 um)	9.35 K
Maximum Observed BTD (3.9-10/11/12 um)	14.25 K
Observed - Background BTD (3.9-10/11/12 um)	3.64 K
BTD Anomaly (3.9-10/11/12 um)	1.84 K
Similar Pixel Count	23
BT Time Tendency (3.9 um)	0.60 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.87
Fraction of Surrounding Red Channel Pixels that are Brighter	0.76
Maximum Radiative Power	13.67 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	27.90°
Mean Solar Zenith Angle	13.10°
Mean Glint Angle	38.00°
Water Fraction	0.00
Total Pixel Area	9.10 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 17:53:22UTC
Radiative Center (Lat, Lon):	22.582777°, -80.965553°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	16.74 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	317.42 K
Observed - Background BT (3.9 um)	2.59 K
BT Anomaly (3.9 um)	0.96 K
Maximum Observed - Clear RTM BT (3.9 um)	6.08 K
Maximum Observed BTD (3.9-10/11/12 um)	13.16 K
Observed - Background BTD (3.9-10/11/12 um)	2.94 K
BTD Anomaly (3.9-10/11/12 um)	1.62 K
Similar Pixel Count	12
BT Time Tendency (3.9 um)	1.70 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.26
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	16.74 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	27.40°
Mean Solar Zenith Angle	13.00°
Mean Glint Angle	37.20°
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 17:53:22UTC
Radiative Center (Lat, Lon):	22.370556°, -79.979446°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	50.11 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	321.63 K
Observed - Background BT (3.9 um)	6.59 K
BT Anomaly (3.9 um)	2.97 K
Maximum Observed - Clear RTM BT (3.9 um)	15.01 K
Maximum Observed BTD (3.9-10/11/12 um)	18.55 K
Observed - Background BTD (3.9-10/11/12 um)	6.29 K
BTD Anomaly (3.9-10/11/12 um)	4.23 K
Similar Pixel Count	14
BT Time Tendency (3.9 um)	4.30 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.75
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	28.00 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	26.90°
Mean Solar Zenith Angle	13.40°
Mean Glint Angle	36.80°
Water Fraction	0.00
Total Pixel Area	9.00 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 (Cloud)
Mean Object Date/Time	2025-04-21 17:53:22UTC
Radiative Center (Lat, Lon):	22.225555°, -79.715279°
Nearby Counties (meeting alert criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	37.97 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	325.03 K
Observed - Background BT (3.9 um)	9.72 K
BT Anomaly (3.9 um)	10.40 K
Maximum Observed - Clear RTM BT (3.9 um)	19.05 K
Maximum Observed BTD (3.9-10/11/12 um)	20.36 K
Observed - Background BTD (3.9-10/11/12 um)	8.11 K
BTD Anomaly (3.9-10/11/12 um)	10.47 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	1.70 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	1.00
Fraction of Surrounding Red Channel Pixels that are Brighter	0.89
Maximum Radiative Power	37.97 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	26.60°
Mean Solar Zenith Angle	13.40°
Mean Glint Angle	36.60°
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

Wildfire Alert Report

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Possible Wildfire

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Possible Wildfire