Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2026-04-21
Time:	22:41:17
Production Date and Time:	2026-04-21 22:46:11 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20261112241177_e20261112243551_c20261112244033.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20261112236177_e20261112238551_c20261112239002.nc
Number Of Thermal Anomaly Notifications:	10

Possible Wildfire

Basic Information
State/Province(s)	MI
Country/Countries	United States
County/Locality(s)	Tuscola County, MI
NWS WFO	Detroit/Pontiac MI
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:41:22UTC
Radiative Center (Lat, Lon):	43.649166°, -83.184448°
Nearby Counties (meeting notification criteria):	Tuscola County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	14.60 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	293.55 K
Observed - Background BT (3.9 um)	5.05 K
BT Anomaly (3.9 um)	5.50 K
Maximum Observed - Clear RTM BT (3.9 um)	10.54 K
Maximum Observed BTD (3.9-10/11/12 um)	11.51 K
Observed - Background BTD (3.9-10/11/12 um)	5.66 K
BTD Anomaly (3.9-10/11/12 um)	7.71 K
Similar Pixel Count	4
BT Time Tendency (3.9 um)	2.40 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.56
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	14.60 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	51.20°
Mean Solar Zenith Angle	73.00°
Mean Glint Angle	70.70°
Water Fraction	0.00
Total Pixel Area	6.40 km²
Latest Satellite Imagery:	MIe-OH-PAw-NYw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	WI
Country/Countries	United States
County/Locality(s)	Sheboygan County, WI
NWS WFO	Milwaukee/Sullivan WI
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:41:21UTC
Radiative Center (Lat, Lon):	43.585278°, -87.980003°
Nearby Counties (meeting notification criteria):	Sheboygan County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	19.33 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	296.10 K
Observed - Background BT (3.9 um)	3.56 K
BT Anomaly (3.9 um)	6.86 K
Maximum Observed - Clear RTM BT (3.9 um)	10.11 K
Maximum Observed BTD (3.9-10/11/12 um)	8.44 K
Observed - Background BTD (3.9-10/11/12 um)	3.26 K
BTD Anomaly (3.9-10/11/12 um)	5.31 K
Similar Pixel Count	8
BT Time Tendency (3.9 um)	2.50 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.67
Fraction of Surrounding Red Channel Pixels that are Brighter	0.95
Maximum Radiative Power	9.87 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	52.20°
Mean Solar Zenith Angle	69.60°
Mean Glint Angle	66.20°
Water Fraction	0.00
Total Pixel Area	13.00 km²
Latest Satellite Imagery:	WIs-ILn-MIw-INn_750_m
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Possible Wildfire

Basic Information
State/Province(s)	WI
Country/Countries	United States
County/Locality(s)	Richland County, WI
NWS WFO	La Crosse WI
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:41:21UTC
Radiative Center (Lat, Lon):	43.509998°, -90.309998°
Nearby Counties (meeting notification criteria):	Richland County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	7.43 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	297.38 K
Observed - Background BT (3.9 um)	2.44 K
BT Anomaly (3.9 um)	4.99 K
Maximum Observed - Clear RTM BT (3.9 um)	10.49 K
Maximum Observed BTD (3.9-10/11/12 um)	7.24 K
Observed - Background BTD (3.9-10/11/12 um)	2.24 K
BTD Anomaly (3.9-10/11/12 um)	5.36 K
Similar Pixel Count	17
BT Time Tendency (3.9 um)	1.00 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	1.00
Maximum Radiative Power	7.43 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	52.70°
Mean Solar Zenith Angle	67.90°
Mean Glint Angle	64.10°
Water Fraction	0.00
Total Pixel Area	6.60 km²
Latest Satellite Imagery:	MNs-IA-MOnw-NEe_750_m WIs-ILn-MIw-INn_750_m
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Possible Wildfire

Basic Information
State/Province(s)	WY
Country/Countries	United States
County/Locality(s)	Weston County, WY
NWS WFO	Rapid City SD
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:41:20UTC
Radiative Center (Lat, Lon):	43.714722°, -104.916115°
Nearby Counties (meeting notification criteria):	Weston County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	29.85 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	312.24 K
Observed - Background BT (3.9 um)	4.58 K
BT Anomaly (3.9 um)	4.10 K
Maximum Observed - Clear RTM BT (3.9 um)	13.28 K
Maximum Observed BTD (3.9-10/11/12 um)	13.52 K
Observed - Background BTD (3.9-10/11/12 um)	5.16 K
BTD Anomaly (3.9-10/11/12 um)	4.03 K
Similar Pixel Count	19
BT Time Tendency (3.9 um)	0.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.82
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	29.85 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	58.90°
Mean Solar Zenith Angle	57.50°
Mean Glint Angle	55.70°
Water Fraction	0.00
Total Pixel Area	7.70 km²
Latest Satellite Imagery:	SDs-NE-COne-KSnw_750_m WY-UTne-COnw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	IA
Country/Countries	United States
County/Locality(s)	Butler County, IA
NWS WFO	Des Moines IA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:41:51UTC
Radiative Center (Lat, Lon):	42.865002°, -92.781670°
Nearby Counties (meeting notification criteria):	Butler County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	66.45 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	307.64 K
Observed - Background BT (3.9 um)	7.23 K
BT Anomaly (3.9 um)	6.76 K
Maximum Observed - Clear RTM BT (3.9 um)	16.13 K
Maximum Observed BTD (3.9-10/11/12 um)	14.53 K
Observed - Background BTD (3.9-10/11/12 um)	7.96 K
BTD Anomaly (3.9-10/11/12 um)	9.34 K
Similar Pixel Count	2
BT Time Tendency (3.9 um)	6.90 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.13
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	33.69 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	52.80°
Mean Solar Zenith Angle	66.00°
Mean Glint Angle	61.60°
Water Fraction	0.00
Total Pixel Area	13.20 km²
Latest Satellite Imagery:	MNs-IA-MOnw-NEe_750_m
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Possible Wildfire

Basic Information
State/Province(s)	IA
Country/Countries	United States
County/Locality(s)	Greene County, IA
NWS WFO	Des Moines IA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:41:50UTC
Radiative Center (Lat, Lon):	41.888332°, -94.372223°
Nearby Counties (meeting notification criteria):	Greene County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	16.36 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	306.90 K
Observed - Background BT (3.9 um)	3.99 K
BT Anomaly (3.9 um)	3.67 K
Maximum Observed - Clear RTM BT (3.9 um)	13.28 K
Maximum Observed BTD (3.9-10/11/12 um)	10.94 K
Observed - Background BTD (3.9-10/11/12 um)	4.27 K
BTD Anomaly (3.9-10/11/12 um)	7.87 K
Similar Pixel Count	4
BT Time Tendency (3.9 um)	3.20 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.40
Fraction of Surrounding Red Channel Pixels that are Brighter	0.99
Maximum Radiative Power	16.36 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	52.50°
Mean Solar Zenith Angle	64.70°
Mean Glint Angle	59.40°
Water Fraction	0.00
Total Pixel Area	6.60 km²
Latest Satellite Imagery:	MNs-IA-MOnw-NEe_750_m
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Possible Wildfire

Basic Information
State/Province(s)	IA
Country/Countries	United States
County/Locality(s)	Audubon County, IA
NWS WFO	Des Moines IA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:41:50UTC
Radiative Center (Lat, Lon):	41.632778°, -95.078331°
Nearby Counties (meeting notification criteria):	Audubon County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	7.78 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	304.43 K
Observed - Background BT (3.9 um)	1.37 K
BT Anomaly (3.9 um)	1.48 K
Maximum Observed - Clear RTM BT (3.9 um)	10.63 K
Maximum Observed BTD (3.9-10/11/12 um)	9.03 K
Observed - Background BTD (3.9-10/11/12 um)	2.07 K
BTD Anomaly (3.9-10/11/12 um)	3.36 K
Similar Pixel Count	23
BT Time Tendency (3.9 um)	1.50 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.34
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	7.78 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	52.50°
Mean Solar Zenith Angle	64.20°
Mean Glint Angle	58.60°
Water Fraction	0.00
Total Pixel Area	6.60 km²
Latest Satellite Imagery:	MNs-IA-MOnw-NEe_750_m
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Possible Wildfire

Basic Information
State/Province(s)	NV
Country/Countries	United States
County/Locality(s)	Clark County, NV
NWS WFO	Las Vegas NV
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-04-21 22:42:18UTC
Radiative Center (Lat, Lon):	35.779724°, -114.991943°
Nearby Counties (meeting notification criteria):	Clark County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	140.78 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Solar panel (database + spectral)
Event Priority Ranking	5
Maximum Observed BT (3.9 um)	327.86 K
Observed - Background BT (3.9 um)	19.12 K
BT Anomaly (3.9 um)	16.16 K
Maximum Observed - Clear RTM BT (3.9 um)	24.73 K
Maximum Observed BTD (3.9-10/11/12 um)	24.49 K
Observed - Background BTD (3.9-10/11/12 um)	17.95 K
BTD Anomaly (3.9-10/11/12 um)	24.58 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	15.40 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	0.00
Maximum Radiative Power	140.78 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	59.20°
Mean Solar Zenith Angle	47.70°
Mean Glint Angle	44.00°
Water Fraction	0.00
Total Pixel Area	7.80 km²
Latest Satellite Imagery:	CAs_750_m NVs-UTsw-AZnw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	Baja California
Country/Countries	Mexico
County/Locality(s)	Ensenada, Baja California
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:42:48UTC
Radiative Center (Lat, Lon):	30.619722°, -115.597778°
Nearby Counties (meeting notification criteria):	Ensenada (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	11.14 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	305.71 K
Observed - Background BT (3.9 um)	3.31 K
BT Anomaly (3.9 um)	2.29 K
Maximum Observed - Clear RTM BT (3.9 um)	6.47 K
Maximum Observed BTD (3.9-10/11/12 um)	10.43 K
Observed - Background BTD (3.9-10/11/12 um)	3.96 K
BTD Anomaly (3.9-10/11/12 um)	5.10 K
Similar Pixel Count	15
BT Time Tendency (3.9 um)	0.60 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.37
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	11.14 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	56.60°
Mean Solar Zenith Angle	45.80°
Mean Glint Angle	36.50°
Water Fraction	0.00
Total Pixel Area	7.30 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	2026-04-21 22:43:22UTC
Radiative Center (Lat, Lon):	21.832500°, -78.514999°
Nearby Counties (meeting notification criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	14.34 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	302.01 K
Observed - Background BT (3.9 um)	6.11 K
BT Anomaly (3.9 um)	7.73 K
Maximum Observed - Clear RTM BT (3.9 um)	6.10 K
Maximum Observed BTD (3.9-10/11/12 um)	13.69 K
Observed - Background BTD (3.9-10/11/12 um)	6.06 K
BTD Anomaly (3.9-10/11/12 um)	11.50 K
Similar Pixel Count	7
BT Time Tendency (3.9 um)	4.50 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.59
Fraction of Surrounding Red Channel Pixels that are Brighter	0.92
Maximum Radiative Power	14.34 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	26.00°
Mean Solar Zenith Angle	78.60°
Mean Glint Angle	72.40°
Water Fraction	0.00
Total Pixel Area	4.40 km²
Latest Satellite Imagery:	None Available
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Next Generation Fire System (NGFS) - Experimental

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