Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2026-04-09
Time:	17:21:17
Production Date and Time:	2026-04-09 17:26:11 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20260991721179_e20260991723552_c20260991724038.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20260991716179_e20260991718552_c20260991719024.nc
Number Of Thermal Anomaly Notifications:	10

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 (Clear)
Mean Object Date/Time	2026-04-09 17:21:19UTC
Radiative Center (Lat, Lon):	47.751110°, -110.541115°
Nearby Counties (meeting notification criteria):	Chouteau County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	23.39 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	302.35 K
Observed - Background BT (3.9 um)	2.42 K
BT Anomaly (3.9 um)	1.49 K
Maximum Observed - Clear RTM BT (3.9 um)	18.08 K
Maximum Observed BTD (3.9-10/11/12 um)	14.86 K
Observed - Background BTD (3.9-10/11/12 um)	3.16 K
BTD Anomaly (3.9-10/11/12 um)	2.40 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	0.21
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	23.39 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	65.00°
Mean Solar Zenith Angle	48.20°
Mean Glint Angle	113.20°
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)	WI
Country/Countries	United States
County/Locality(s)	St. Croix County, WI
NWS WFO	Twin Cities/Chanhassen MN
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-04-09 17:21:21UTC
Radiative Center (Lat, Lon):	45.168335°, -92.485001°
Nearby Counties (meeting notification criteria):	St. Croix County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	48.78 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	302.04 K
Observed - Background BT (3.9 um)	12.58 K
BT Anomaly (3.9 um)	8.57 K
Maximum Observed - Clear RTM BT (3.9 um)	20.73 K
Maximum Observed BTD (3.9-10/11/12 um)	28.31 K
Observed - Background BTD (3.9-10/11/12 um)	12.83 K
BTD Anomaly (3.9-10/11/12 um)	10.96 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	6.70 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.45
Fraction of Surrounding Red Channel Pixels that are Brighter	0.23
Maximum Radiative Power	48.78 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	55.10°
Mean Solar Zenith Angle	39.50°
Mean Glint Angle	94.50°
Water Fraction	0.00
Total Pixel Area	7.00 km²
Latest Satellite Imagery:	MN-WInw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	IA
Country/Countries	United States
County/Locality(s)	Wright County, IA
NWS WFO	Des Moines IA
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-04-09 17:21:51UTC
Radiative Center (Lat, Lon):	42.781666°, -93.640556°
Nearby Counties (meeting notification criteria):	Wright County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	29.75 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	306.24 K
Observed - Background BT (3.9 um)	5.37 K
BT Anomaly (3.9 um)	3.54 K
Maximum Observed - Clear RTM BT (3.9 um)	19.52 K
Maximum Observed BTD (3.9-10/11/12 um)	26.47 K
Observed - Background BTD (3.9-10/11/12 um)	6.00 K
BTD Anomaly (3.9-10/11/12 um)	5.99 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	2.80 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.36
Fraction of Surrounding Red Channel Pixels that are Brighter	0.98
Maximum Radiative Power	29.75 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	53.10°
Mean Solar Zenith Angle	37.60°
Mean Glint Angle	90.60°
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)	Dubuque County, IA
NWS WFO	Quad Cities IL
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-09 17:21:51UTC
Radiative Center (Lat, Lon):	42.476112°, -90.904724°
Nearby Counties (meeting notification criteria):	Dubuque County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	45.77 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	306.41 K
Observed - Background BT (3.9 um)	4.71 K
BT Anomaly (3.9 um)	2.25 K
Maximum Observed - Clear RTM BT (3.9 um)	20.00 K
Maximum Observed BTD (3.9-10/11/12 um)	17.31 K
Observed - Background BTD (3.9-10/11/12 um)	5.13 K
BTD Anomaly (3.9-10/11/12 um)	3.63 K
Similar Pixel Count	16
BT Time Tendency (3.9 um)	5.50 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	0.92
Maximum Radiative Power	23.56 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	51.80°
Mean Solar Zenith Angle	36.60°
Mean Glint Angle	88.30°
Water Fraction	0.00
Total Pixel Area	12.90 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)	Black Hawk County, IA
NWS WFO	Des Moines IA
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-04-09 17:21:51UTC
Radiative Center (Lat, Lon):	42.407501°, -92.217499°
Nearby Counties (meeting notification criteria):	Black Hawk County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	27.14 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	307.03 K
Observed - Background BT (3.9 um)	6.34 K
BT Anomaly (3.9 um)	3.38 K
Maximum Observed - Clear RTM BT (3.9 um)	19.84 K
Maximum Observed BTD (3.9-10/11/12 um)	23.52 K
Observed - Background BTD (3.9-10/11/12 um)	6.55 K
BTD Anomaly (3.9-10/11/12 um)	3.79 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	6.40 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.78
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	27.14 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	52.20°
Mean Solar Zenith Angle	36.80°
Mean Glint Angle	89.00°
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)	IL
Country/Countries	United States
County/Locality(s)	Whiteside County, IL
NWS WFO	Quad Cities IL
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-09 17:21:51UTC
Radiative Center (Lat, Lon):	41.646946°, -90.104164°
Nearby Counties (meeting notification criteria):	Whiteside County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	30.92 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	312.48 K
Observed - Background BT (3.9 um)	6.29 K
BT Anomaly (3.9 um)	3.82 K
Maximum Observed - Clear RTM BT (3.9 um)	20.82 K
Maximum Observed BTD (3.9-10/11/12 um)	26.71 K
Observed - Background BTD (3.9-10/11/12 um)	6.17 K
BTD Anomaly (3.9-10/11/12 um)	3.40 K
Similar Pixel Count	15
BT Time Tendency (3.9 um)	4.10 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	30.92 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	50.70°
Mean Solar Zenith Angle	35.60°
Mean Glint Angle	86.30°
Water Fraction	0.00
Total Pixel Area	6.30 km²
Latest Satellite Imagery:	WIs-ILn-MIw-INn_750_m
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Possible Wildfire

Basic Information
State/Province(s)	KS
Country/Countries	United States
County/Locality(s)	Greenwood County, KS
NWS WFO	Wichita KS
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-09 17:21:50UTC
Radiative Center (Lat, Lon):	37.894165°, -96.177780°
Nearby Counties (meeting notification criteria):	Greenwood County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	20.33 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	304.57 K
Observed - Background BT (3.9 um)	4.34 K
BT Anomaly (3.9 um)	3.03 K
Maximum Observed - Clear RTM BT (3.9 um)	10.43 K
Maximum Observed BTD (3.9-10/11/12 um)	22.53 K
Observed - Background BTD (3.9-10/11/12 um)	4.39 K
BTD Anomaly (3.9-10/11/12 um)	3.22 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	0.27
Fraction of Surrounding Red Channel Pixels that are Brighter	0.95
Maximum Radiative Power	20.33 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	49.30°
Mean Solar Zenith Angle	34.00°
Mean Glint Angle	83.40°
Water Fraction	0.00
Total Pixel Area	6.10 km²
Latest Satellite Imagery:	MOsw-KSe-OKe-ARnw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	KY
Country/Countries	United States
County/Locality(s)	Knott County, KY
NWS WFO	Jackson KY
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-09 17:21:52UTC
Radiative Center (Lat, Lon):	37.389168°, -83.019165°
Nearby Counties (meeting notification criteria):	Knott County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	8.75 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	307.09 K
Observed - Background BT (3.9 um)	2.34 K
BT Anomaly (3.9 um)	3.49 K
Maximum Observed - Clear RTM BT (3.9 um)	14.72 K
Maximum Observed BTD (3.9-10/11/12 um)	11.88 K
Observed - Background BTD (3.9-10/11/12 um)	2.38 K
BTD Anomaly (3.9-10/11/12 um)	7.56 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	0.43
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	8.75 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	44.30°
Mean Solar Zenith Angle	30.30°
Mean Glint Angle	74.50°
Water Fraction	0.00
Total Pixel Area	5.60 km²
Latest Satellite Imagery:	WV-KYe-VAw-NCw-TNe-SCn_750_m
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Possible Wildfire

Basic Information
State/Province(s)	TN
Country/Countries	United States
County/Locality(s)	White County, TN
NWS WFO	Nashville TN
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-09 17:22:21UTC
Radiative Center (Lat, Lon):	35.848331°, -85.276108°
Nearby Counties (meeting notification criteria):	White County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	17.25 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	304.95 K
Observed - Background BT (3.9 um)	3.23 K
BT Anomaly (3.9 um)	3.19 K
Maximum Observed - Clear RTM BT (3.9 um)	14.63 K
Maximum Observed BTD (3.9-10/11/12 um)	10.62 K
Observed - Background BTD (3.9-10/11/12 um)	2.87 K
BTD Anomaly (3.9-10/11/12 um)	6.40 K
Similar Pixel Count	21
BT Time Tendency (3.9 um)	1.10 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	9.26 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	43.20°
Mean Solar Zenith Angle	29.10°
Mean Glint Angle	72.10°
Water Fraction	0.00
Total Pixel Area	11.00 km²
Latest Satellite Imagery:	ILs-INs-KYw-TNw-_750_m
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Possible Wildfire

Basic Information
State/Province(s)	TN
Country/Countries	United States
County/Locality(s)	Hardeman County, TN
NWS WFO	Memphis TN
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-04-09 17:22:21UTC
Radiative Center (Lat, Lon):	35.186668°, -89.000000°
Nearby Counties (meeting notification criteria):	Hardeman County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	9.83 MW
Map:
Additional Information
Notification Status	New Feature
Type of Event	Nominal Fire Risk, Known Incident: RX-Donoho Brun Hardeman CO. (HIGH, tdiff=0.71734 days, Point)
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	303.64 K
Observed - Background BT (3.9 um)	1.79 K
BT Anomaly (3.9 um)	1.06 K
Maximum Observed - Clear RTM BT (3.9 um)	11.02 K
Maximum Observed BTD (3.9-10/11/12 um)	10.25 K
Observed - Background BTD (3.9-10/11/12 um)	2.37 K
BTD Anomaly (3.9-10/11/12 um)	2.50 K
Similar Pixel Count	24
BT Time Tendency (3.9 um)	2.10 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.23
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	9.83 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	43.60°
Mean Solar Zenith Angle	29.20°
Mean Glint Angle	72.80°
Water Fraction	0.00
Total Pixel Area	5.50 km²
Latest Satellite Imagery:	ILs-INs-KYw-TNw-_750_m
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Next Generation Fire System (NGFS) - Experimental

Wildfire Notification Report

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

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Possible Wildfire

Possible Wildfire

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Possible Wildfire