Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2026-04-21
Time:	22:51:17
Production Date and Time:	2026-04-21 22:56:10 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20261112251177_e20261112253551_c20261112254017.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20261112246177_e20261112248551_c20261112249010.nc
Number Of Thermal Anomaly Notifications:	12

Possible Wildfire

Basic Information
State/Province(s)	Manitoba
Country/Countries	Canada
County/Locality(s)	Division No. 1, Manitoba
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:51:21UTC
Radiative Center (Lat, Lon):	49.025276°, -95.494164°
Nearby Counties (meeting notification criteria):	Division No. 1 (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	12.97 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	292.34 K
Observed - Background BT (3.9 um)	3.73 K
BT Anomaly (3.9 um)	2.36 K
Maximum Observed - Clear RTM BT (3.9 um)	9.59 K
Maximum Observed BTD (3.9-10/11/12 um)	9.28 K
Observed - Background BTD (3.9-10/11/12 um)	3.90 K
BTD Anomaly (3.9-10/11/12 um)	5.84 K
Similar Pixel Count	3
BT Time Tendency (3.9 um)	2.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.49
Fraction of Surrounding Red Channel Pixels that are Brighter	0.98
Maximum Radiative Power	12.97 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	59.90°
Mean Solar Zenith Angle	66.70°
Mean Glint Angle	64.70°
Water Fraction	0.00
Total Pixel Area	8.00 km²
Latest Satellite Imagery:	None Available
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Possible Wildfire

Basic Information
State/Province(s)	MN
Country/Countries	United States
County/Locality(s)	Meeker County, MN
NWS WFO	Twin Cities/Chanhassen MN
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:51:21UTC
Radiative Center (Lat, Lon):	45.079166°, -94.746948°
Nearby Counties (meeting notification criteria):	Meeker County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	21.05 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	300.80 K
Observed - Background BT (3.9 um)	2.81 K
BT Anomaly (3.9 um)	2.09 K
Maximum Observed - Clear RTM BT (3.9 um)	10.27 K
Maximum Observed BTD (3.9-10/11/12 um)	8.32 K
Observed - Background BTD (3.9-10/11/12 um)	2.99 K
BTD Anomaly (3.9-10/11/12 um)	11.58 K
Similar Pixel Count	7
BT Time Tendency (3.9 um)	1.30 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.52
Fraction of Surrounding Red Channel Pixels that are Brighter	0.91
Maximum Radiative Power	11.17 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	55.70°
Mean Solar Zenith Angle	66.70°
Mean Glint Angle	61.50°
Water Fraction	0.00
Total Pixel Area	14.20 km²
Latest Satellite Imagery:	MN-WInw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	MN
Country/Countries	United States
County/Locality(s)	Lac qui Parle County, MN
NWS WFO	Twin Cities/Chanhassen MN
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-04-21 22:51:20UTC
Radiative Center (Lat, Lon):	44.973888°, -96.442780°
Nearby Counties (meeting notification criteria):	Lac qui Parle County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	49.03 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	309.28 K
Observed - Background BT (3.9 um)	9.93 K
BT Anomaly (3.9 um)	8.59 K
Maximum Observed - Clear RTM BT (3.9 um)	17.38 K
Maximum Observed BTD (3.9-10/11/12 um)	16.45 K
Observed - Background BTD (3.9-10/11/12 um)	10.29 K
BTD Anomaly (3.9-10/11/12 um)	19.49 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	7.70 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.47
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	49.03 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	56.30°
Mean Solar Zenith Angle	65.50°
Mean Glint Angle	60.30°
Water Fraction	0.00
Total Pixel Area	7.20 km²
Latest Satellite Imagery:	MN-WInw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	MN
Country/Countries	United States
County/Locality(s)	Watonwan County, MN
NWS WFO	Twin Cities/Chanhassen MN
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:51:20UTC
Radiative Center (Lat, Lon):	43.862778°, -94.751389°
Nearby Counties (meeting notification criteria):	Watonwan County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	10.03 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	303.71 K
Observed - Background BT (3.9 um)	2.23 K
BT Anomaly (3.9 um)	3.60 K
Maximum Observed - Clear RTM BT (3.9 um)	10.82 K
Maximum Observed BTD (3.9-10/11/12 um)	8.16 K
Observed - Background BTD (3.9-10/11/12 um)	2.37 K
BTD Anomaly (3.9-10/11/12 um)	14.47 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	0.31
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	10.03 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	54.50°
Mean Solar Zenith Angle	66.50°
Mean Glint Angle	60.40°
Water Fraction	0.00
Total Pixel Area	6.90 km²
Latest Satellite Imagery:	MNs-IA-MOnw-NEe_750_m
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Possible Wildfire

Basic Information
State/Province(s)	MN
Country/Countries	United States
County/Locality(s)	Fillmore County, MN
NWS WFO	La Crosse WI
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:51:21UTC
Radiative Center (Lat, Lon):	43.718613°, -91.955833°
Nearby Counties (meeting notification criteria):	Fillmore County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	19.16 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	301.51 K
Observed - Background BT (3.9 um)	5.33 K
BT Anomaly (3.9 um)	9.11 K
Maximum Observed - Clear RTM BT (3.9 um)	13.58 K
Maximum Observed BTD (3.9-10/11/12 um)	10.66 K
Observed - Background BTD (3.9-10/11/12 um)	5.07 K
BTD Anomaly (3.9-10/11/12 um)	12.36 K
Similar Pixel Count	2
BT Time Tendency (3.9 um)	4.90 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	19.16 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	53.40°
Mean Solar Zenith Angle	68.50°
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)	SD
Country/Countries	United States
County/Locality(s)	Yankton County, SD
NWS WFO	Sioux Falls SD
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-04-21 22:51:50UTC
Radiative Center (Lat, Lon):	43.131390°, -97.528610°
Nearby Counties (meeting notification criteria):	Yankton County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	92.11 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	319.04 K
Observed - Background BT (3.9 um)	15.65 K
BT Anomaly (3.9 um)	18.21 K
Maximum Observed - Clear RTM BT (3.9 um)	23.48 K
Maximum Observed BTD (3.9-10/11/12 um)	22.37 K
Observed - Background BTD (3.9-10/11/12 um)	15.66 K
BTD Anomaly (3.9-10/11/12 um)	22.99 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	14.10 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	1.00
Maximum Radiative Power	92.11 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	54.90°
Mean Solar Zenith Angle	64.40°
Mean Glint Angle	57.80°
Water Fraction	0.00
Total Pixel Area	7.00 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)	Clayton County, IA
NWS WFO	La Crosse WI
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:51:51UTC
Radiative Center (Lat, Lon):	42.842777°, -91.398056°
Nearby Counties (meeting notification criteria):	Clayton County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	7.30 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	298.65 K
Observed - Background BT (3.9 um)	2.28 K
BT Anomaly (3.9 um)	3.01 K
Maximum Observed - Clear RTM BT (3.9 um)	9.86 K
Maximum Observed BTD (3.9-10/11/12 um)	8.03 K
Observed - Background BTD (3.9-10/11/12 um)	2.31 K
BTD Anomaly (3.9-10/11/12 um)	3.49 K
Similar Pixel Count	22
BT Time Tendency (3.9 um)	1.70 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.48
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	7.30 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	52.40°
Mean Solar Zenith Angle	68.80°
Mean Glint Angle	62.30°
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)	IA
Country/Countries	United States
County/Locality(s)	Fayette County, IA
NWS WFO	La Crosse WI
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:51:51UTC
Radiative Center (Lat, Lon):	42.802776°, -91.933609°
Nearby Counties (meeting notification criteria):	Fayette County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	5.75 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	299.37 K
Observed - Background BT (3.9 um)	1.40 K
BT Anomaly (3.9 um)	1.92 K
Maximum Observed - Clear RTM BT (3.9 um)	9.75 K
Maximum Observed BTD (3.9-10/11/12 um)	8.39 K
Observed - Background BTD (3.9-10/11/12 um)	1.76 K
BTD Anomaly (3.9-10/11/12 um)	3.38 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	0.22
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	5.75 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	52.50°
Mean Solar Zenith Angle	68.50°
Mean Glint Angle	61.80°
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)	Hardin County, IA
NWS WFO	Des Moines IA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:51:51UTC
Radiative Center (Lat, Lon):	42.527779°, -93.108330°
Nearby Counties (meeting notification criteria):	Hardin County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	17.31 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	304.78 K
Observed - Background BT (3.9 um)	4.44 K
BT Anomaly (3.9 um)	6.03 K
Maximum Observed - Clear RTM BT (3.9 um)	13.24 K
Maximum Observed BTD (3.9-10/11/12 um)	10.51 K
Observed - Background BTD (3.9-10/11/12 um)	4.17 K
BTD Anomaly (3.9-10/11/12 um)	11.85 K
Similar Pixel Count	6
BT Time Tendency (3.9 um)	3.80 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.72
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	17.31 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	52.60°
Mean Solar Zenith Angle	67.60°
Mean Glint Angle	60.60°
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)	IA
Country/Countries	United States
County/Locality(s)	Grundy County, IA
NWS WFO	Des Moines IA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:51:51UTC
Radiative Center (Lat, Lon):	42.466110°, -93.004723°
Nearby Counties (meeting notification criteria):	Grundy County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	13.83 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	304.32 K
Observed - Background BT (3.9 um)	4.12 K
BT Anomaly (3.9 um)	5.81 K
Maximum Observed - Clear RTM BT (3.9 um)	13.09 K
Maximum Observed BTD (3.9-10/11/12 um)	9.96 K
Observed - Background BTD (3.9-10/11/12 um)	3.51 K
BTD Anomaly (3.9-10/11/12 um)	7.98 K
Similar Pixel Count	9
BT Time Tendency (3.9 um)	3.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.89
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	13.83 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	52.50°
Mean Solar Zenith Angle	67.60°
Mean Glint Angle	60.60°
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)	IA
Country/Countries	United States
County/Locality(s)	Johnson County, IA
NWS WFO	Quad Cities IL
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:51:51UTC
Radiative Center (Lat, Lon):	41.591667°, -91.824722°
Nearby Counties (meeting notification criteria):	Johnson County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	9.04 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	300.44 K
Observed - Background BT (3.9 um)	3.04 K
BT Anomaly (3.9 um)	3.63 K
Maximum Observed - Clear RTM BT (3.9 um)	10.52 K
Maximum Observed BTD (3.9-10/11/12 um)	8.47 K
Observed - Background BTD (3.9-10/11/12 um)	2.98 K
BTD Anomaly (3.9-10/11/12 um)	5.77 K
Similar Pixel Count	8
BT Time Tendency (3.9 um)	1.90 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.49
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	9.04 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	51.20°
Mean Solar Zenith Angle	68.50°
Mean Glint Angle	60.90°
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)	NE
Country/Countries	United States
County/Locality(s)	Custer County, NE
NWS WFO	North Platte NE
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-21 22:51:50UTC
Radiative Center (Lat, Lon):	41.620556°, -99.730278°
Nearby Counties (meeting notification criteria):	Custer County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	10.74 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	306.08 K
Observed - Background BT (3.9 um)	2.89 K
BT Anomaly (3.9 um)	4.85 K
Maximum Observed - Clear RTM BT (3.9 um)	9.38 K
Maximum Observed BTD (3.9-10/11/12 um)	11.15 K
Observed - Background BTD (3.9-10/11/12 um)	3.52 K
BTD Anomaly (3.9-10/11/12 um)	2.70 K
Similar Pixel Count	14
BT Time Tendency (3.9 um)	1.50 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.28
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	10.74 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	54.50°
Mean Solar Zenith Angle	62.60°
Mean Glint Angle	54.80°
Water Fraction	0.00
Total Pixel Area	6.90 km²
Latest Satellite Imagery:	SDs-NE-COne-KSnw_750_m
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Next Generation Fire System (NGFS) - Experimental

Wildfire Notification Report

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Possible Wildfire

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Possible Wildfire

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