Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2026-04-21
Time:	22:21:17
Production Date and Time:	2026-04-21 22:26:05 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20261112221177_e20261112223551_c20261112224005.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20261112216177_e20261112218551_c20261112219013.nc
Number Of Thermal Anomaly Notifications:	11

Possible Wildfire

Basic Information
State/Province(s)	Manitoba
Country/Countries	Canada
County/Locality(s)	Division No. 17, Manitoba
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:21:20UTC
Radiative Center (Lat, Lon):	50.814724°, -98.993057°
Nearby Counties (meeting notification criteria):	Division No. 17 (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	9.54 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	290.34 K
Observed - Background BT (3.9 um)	2.38 K
BT Anomaly (3.9 um)	1.99 K
Maximum Observed - Clear RTM BT (3.9 um)	8.63 K
Maximum Observed BTD (3.9-10/11/12 um)	9.13 K
Observed - Background BTD (3.9-10/11/12 um)	2.51 K
BTD Anomaly (3.9-10/11/12 um)	2.77 K
Similar Pixel Count	22
BT Time Tendency (3.9 um)	1.20 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	0.99
Maximum Radiative Power	9.54 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	62.80°
Mean Solar Zenith Angle	60.30°
Mean Glint Angle	68.80°
Water Fraction	0.00
Total Pixel Area	8.70 km²
Latest Satellite Imagery:	None Available
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Possible Wildfire

Basic Information
State/Province(s)	ND
Country/Countries	United States
County/Locality(s)	McKenzie County, ND
NWS WFO	Bismarck ND
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:21:20UTC
Radiative Center (Lat, Lon):	47.920834°, -103.778053°
Nearby Counties (meeting notification criteria):	McKenzie County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	9.23 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Oil/Gas
Event Priority Ranking	5
Maximum Observed BT (3.9 um)	305.71 K
Observed - Background BT (3.9 um)	1.76 K
BT Anomaly (3.9 um)	2.71 K
Maximum Observed - Clear RTM BT (3.9 um)	9.70 K
Maximum Observed BTD (3.9-10/11/12 um)	8.98 K
Observed - Background BTD (3.9-10/11/12 um)	1.41 K
BTD Anomaly (3.9-10/11/12 um)	3.02 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	1.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.70
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	9.23 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	62.00°
Mean Solar Zenith Angle	56.40°
Mean Glint Angle	63.90°
Water Fraction	0.00
Total Pixel Area	8.50 km²
Latest Satellite Imagery:	ND-SDn_750_m
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Possible Wildfire

Basic Information
State/Province(s)	WI
Country/Countries	United States
County/Locality(s)	Florence County, WI
NWS WFO	Green Bay WI
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-04-21 22:21:21UTC
Radiative Center (Lat, Lon):	45.992222°, -88.448334°
Nearby Counties (meeting notification criteria):	Florence County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	144.15 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	309.87 K
Observed - Background BT (3.9 um)	21.24 K
BT Anomaly (3.9 um)	32.63 K
Maximum Observed - Clear RTM BT (3.9 um)	27.85 K
Maximum Observed BTD (3.9-10/11/12 um)	32.22 K
Observed - Background BTD (3.9-10/11/12 um)	21.98 K
BTD Anomaly (3.9-10/11/12 um)	30.95 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	18.20 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.03
Fraction of Surrounding Red Channel Pixels that are Brighter	0.14
Maximum Radiative Power	83.78 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	54.80°
Mean Solar Zenith Angle	65.90°
Mean Glint Angle	68.80°
Water Fraction	0.00
Total Pixel Area	13.90 km²
Latest Satellite Imagery:	WIn-MIn_750_m
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Possible Wildfire

Basic Information
State/Province(s)	IA
Country/Countries	United States
County/Locality(s)	Howard County, IA
NWS WFO	La Crosse WI
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:21:21UTC
Radiative Center (Lat, Lon):	43.433056°, -92.278893°
Nearby Counties (meeting notification criteria):	Howard County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	4.99 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	301.89 K
Observed - Background BT (3.9 um)	1.69 K
BT Anomaly (3.9 um)	1.60 K
Maximum Observed - Clear RTM BT (3.9 um)	12.11 K
Maximum Observed BTD (3.9-10/11/12 um)	8.62 K
Observed - Background BTD (3.9-10/11/12 um)	1.37 K
BTD Anomaly (3.9-10/11/12 um)	2.55 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	0.62
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	4.99 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	53.30°
Mean Solar Zenith Angle	62.90°
Mean Glint Angle	63.60°
Water Fraction	0.00
Total Pixel Area	6.70 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)	Cerro Gordo County, IA
NWS WFO	Des Moines IA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:21:21UTC
Radiative Center (Lat, Lon):	43.185001°, -93.477501°
Nearby Counties (meeting notification criteria):	Cerro Gordo County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	6.11 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	304.46 K
Observed - Background BT (3.9 um)	1.36 K
BT Anomaly (3.9 um)	1.40 K
Maximum Observed - Clear RTM BT (3.9 um)	11.71 K
Maximum Observed BTD (3.9-10/11/12 um)	8.42 K
Observed - Background BTD (3.9-10/11/12 um)	1.49 K
BTD Anomaly (3.9-10/11/12 um)	6.49 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	0.40 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	6.11 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	53.40°
Mean Solar Zenith Angle	61.90°
Mean Glint Angle	62.50°
Water Fraction	0.00
Total Pixel Area	6.70 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)	Dixon County, NE
NWS WFO	Sioux Falls SD
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:21:50UTC
Radiative Center (Lat, Lon):	42.517223°, -96.916664°
Nearby Counties (meeting notification criteria):	Dixon County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	15.96 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	309.43 K
Observed - Background BT (3.9 um)	2.87 K
BT Anomaly (3.9 um)	2.10 K
Maximum Observed - Clear RTM BT (3.9 um)	13.02 K
Maximum Observed BTD (3.9-10/11/12 um)	10.56 K
Observed - Background BTD (3.9-10/11/12 um)	2.82 K
BTD Anomaly (3.9-10/11/12 um)	2.70 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	2.90 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.64
Fraction of Surrounding Red Channel Pixels that are Brighter	0.98
Maximum Radiative Power	15.96 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	54.10°
Mean Solar Zenith Angle	59.30°
Mean Glint Angle	59.50°
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)	IA
Country/Countries	United States
County/Locality(s)	Marshall County, IA
NWS WFO	Des Moines IA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:21:51UTC
Radiative Center (Lat, Lon):	42.206390°, -92.999443°
Nearby Counties (meeting notification criteria):	Marshall County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	30.12 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	309.16 K
Observed - Background BT (3.9 um)	6.74 K
BT Anomaly (3.9 um)	7.05 K
Maximum Observed - Clear RTM BT (3.9 um)	17.79 K
Maximum Observed BTD (3.9-10/11/12 um)	14.41 K
Observed - Background BTD (3.9-10/11/12 um)	6.54 K
BTD Anomaly (3.9-10/11/12 um)	14.13 K
Similar Pixel Count	3
BT Time Tendency (3.9 um)	5.30 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	30.12 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	52.30°
Mean Solar Zenith Angle	62.10°
Mean Glint Angle	61.70°
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)	NE
Country/Countries	United States
County/Locality(s)	Pierce County, NE
NWS WFO	Omaha/Valley NE
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-04-21 22:21:50UTC
Radiative Center (Lat, Lon):	42.148613°, -97.671669°
Nearby Counties (meeting notification criteria):	Pierce County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	110.31 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	316.88 K
Observed - Background BT (3.9 um)	10.58 K
BT Anomaly (3.9 um)	9.68 K
Maximum Observed - Clear RTM BT (3.9 um)	20.23 K
Maximum Observed BTD (3.9-10/11/12 um)	18.01 K
Observed - Background BTD (3.9-10/11/12 um)	10.50 K
BTD Anomaly (3.9-10/11/12 um)	14.97 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	12.00 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.70
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	61.35 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	54.10°
Mean Solar Zenith Angle	58.70°
Mean Glint Angle	58.70°
Water Fraction	0.00
Total Pixel Area	13.60 km²
Latest Satellite Imagery:	MNs-IA-MOnw-NEe_750_m SDs-NE-COne-KSnw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	IA
Country/Countries	United States
County/Locality(s)	Mahaska County, IA
NWS WFO	Des Moines IA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:21:51UTC
Radiative Center (Lat, Lon):	41.371113°, -92.751114°
Nearby Counties (meeting notification criteria):	Mahaska County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	21.92 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	303.97 K
Observed - Background BT (3.9 um)	3.38 K
BT Anomaly (3.9 um)	3.17 K
Maximum Observed - Clear RTM BT (3.9 um)	12.51 K
Maximum Observed BTD (3.9-10/11/12 um)	10.48 K
Observed - Background BTD (3.9-10/11/12 um)	3.18 K
BTD Anomaly (3.9-10/11/12 um)	4.38 K
Similar Pixel Count	19
BT Time Tendency (3.9 um)	2.10 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	11.31 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	51.30°
Mean Solar Zenith Angle	62.20°
Mean Glint Angle	61.00°
Water Fraction	0.00
Total Pixel Area	12.80 km²
Latest Satellite Imagery:	MNs-IA-MOnw-NEe_750_m
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Possible Wildfire

Basic Information
State/Province(s)	CA
Country/Countries	United States
County/Locality(s)	Kern County, CA
NWS WFO	Hanford CA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:22:18UTC
Radiative Center (Lat, Lon):	35.323612°, -117.972221°
Nearby Counties (meeting notification criteria):	Kern County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	43.74 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	308.70 K
Observed - Background BT (3.9 um)	8.66 K
BT Anomaly (3.9 um)	4.12 K
Maximum Observed - Clear RTM BT (3.9 um)	14.49 K
Maximum Observed BTD (3.9-10/11/12 um)	22.37 K
Observed - Background BTD (3.9-10/11/12 um)	9.03 K
BTD Anomaly (3.9-10/11/12 um)	4.18 K
Similar Pixel Count	11
BT Time Tendency (3.9 um)	7.40 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	0.76
Maximum Radiative Power	43.74 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	61.20°
Mean Solar Zenith Angle	41.60°
Mean Glint Angle	47.60°
Water Fraction	0.00
Total Pixel Area	8.30 km²
Latest Satellite Imagery:	CAcentral_750_m CAs_750_m NVs-UTsw-AZnw_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	2026-04-21 22:23:22UTC
Radiative Center (Lat, Lon):	22.666389°, -81.149719°
Nearby Counties (meeting notification criteria):	Unknown (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	19.62 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	301.78 K
Observed - Background BT (3.9 um)	4.58 K
BT Anomaly (3.9 um)	5.72 K
Maximum Observed - Clear RTM BT (3.9 um)	4.17 K
Maximum Observed BTD (3.9-10/11/12 um)	13.43 K
Observed - Background BTD (3.9-10/11/12 um)	4.22 K
BTD Anomaly (3.9-10/11/12 um)	5.32 K
Similar Pixel Count	24
BT Time Tendency (3.9 um)	1.20 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.76
Fraction of Surrounding Red Channel Pixels that are Brighter	0.53
Maximum Radiative Power	10.37 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	27.50°
Mean Solar Zenith Angle	71.40°
Mean Glint Angle	64.30°
Water Fraction	0.00
Total Pixel Area	9.00 km²
Latest Satellite Imagery:	None Available
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Next Generation Fire System (NGFS) - Experimental

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