Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2026-02-21
Time:	17:36:17
Production Date and Time:	2026-02-21 17:41:07 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20260521736175_e20260521738548_c20260521739032.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20260521731175_e20260521733548_c20260521734051.nc
Number Of Thermal Anomaly Alerts:	6

Possible Wildfire

Basic Information
State/Province(s)	NE
Country/Countries	United States
County/Locality(s)	Nance County, NE
NWS WFO	Hastings NE
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-02-21 17:36:50UTC
Radiative Center (Lat, Lon):	41.412498°, -97.753052°
Nearby Counties (meeting alert criteria):	Nance County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	12.62 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	280.22 K
Observed - Background BT (3.9 um)	5.56 K
BT Anomaly (3.9 um)	5.21 K
Maximum Observed - Clear RTM BT (3.9 um)	12.55 K
Maximum Observed BTD (3.9-10/11/12 um)	11.28 K
Observed - Background BTD (3.9-10/11/12 um)	4.82 K
BTD Anomaly (3.9-10/11/12 um)	9.33 K
Similar Pixel Count	5
BT Time Tendency (3.9 um)	1.00 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.83
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	12.62 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	53.40°
Mean Solar Zenith Angle	54.70°
Mean Glint Angle	107.30°
Water Fraction	0.00
Total Pixel Area	13.40 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)	MO
Country/Countries	United States
County/Locality(s)	Montgomery County, MO
NWS WFO	St Louis MO
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-02-21 17:36:51UTC
Radiative Center (Lat, Lon):	39.011944°, -91.288330°
Nearby Counties (meeting alert criteria):	Montgomery County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	7.15 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	294.21 K
Observed - Background BT (3.9 um)	2.69 K
BT Anomaly (3.9 um)	2.31 K
Maximum Observed - Clear RTM BT (3.9 um)	16.41 K
Maximum Observed BTD (3.9-10/11/12 um)	15.63 K
Observed - Background BTD (3.9-10/11/12 um)	2.90 K
BTD Anomaly (3.9-10/11/12 um)	2.89 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	0.80 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	0.97
Maximum Radiative Power	7.15 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	48.40°
Mean Solar Zenith Angle	50.90°
Mean Glint Angle	98.70°
Water Fraction	0.00
Total Pixel Area	6.00 km²
Latest Satellite Imagery:	ILs-INs-KYw-TNw-_750_m MOsw-KSe-OKe-ARnw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	FL
Country/Countries	United States
County/Locality(s)	Jefferson County, FL
NWS WFO	Tallahassee FL
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-02-21 17:37:21UTC
Radiative Center (Lat, Lon):	30.451666°, -83.948059°
Nearby Counties (meeting alert criteria):	Jefferson County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	29.66 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	313.07 K
Observed - Background BT (3.9 um)	8.13 K
BT Anomaly (3.9 um)	6.76 K
Maximum Observed - Clear RTM BT (3.9 um)	14.37 K
Maximum Observed BTD (3.9-10/11/12 um)	20.82 K
Observed - Background BTD (3.9-10/11/12 um)	7.60 K
BTD Anomaly (3.9-10/11/12 um)	5.60 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	6.80 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	0.98
Maximum Radiative Power	29.66 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	36.90°
Mean Solar Zenith Angle	41.50°
Mean Glint Angle	77.90°
Water Fraction	0.00
Total Pixel Area	5.00 km²
Latest Satellite Imagery:	MS-AL-GAw-FLw_750_m SCs-GAe-FLn_750_m
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Possible Wildfire

Basic Information
State/Province(s)	TX
Country/Countries	United States
County/Locality(s)	Bastrop County, TX
NWS WFO	Austin/San Antonio TX
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-02-21 17:37:50UTC
Radiative Center (Lat, Lon):	30.185556°, -97.307777°
Nearby Counties (meeting alert criteria):	Bastrop County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	9.05 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Red Flag Warning (NWS)
Event Priority Ranking	1
Maximum Observed BT (3.9 um)	306.83 K
Observed - Background BT (3.9 um)	2.83 K
BT Anomaly (3.9 um)	2.09 K
Maximum Observed - Clear RTM BT (3.9 um)	14.17 K
Maximum Observed BTD (3.9-10/11/12 um)	14.42 K
Observed - Background BTD (3.9-10/11/12 um)	2.72 K
BTD Anomaly (3.9-10/11/12 um)	2.84 K
Similar Pixel Count	24
BT Time Tendency (3.9 um)	1.70 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	0.94
Maximum Radiative Power	9.05 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	42.90°
Mean Solar Zenith Angle	44.10°
Mean Glint Angle	86.00°
Water Fraction	0.00
Total Pixel Area	5.50 km²
Latest Satellite Imagery:	TXe-LA-ARs_750_m TXw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	FL
Country/Countries	United States
County/Locality(s)	Flagler County, FL
NWS WFO	Jacksonville FL
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-02-21 17:37:52UTC
Radiative Center (Lat, Lon):	29.354445°, -81.193054°
Nearby Counties (meeting alert criteria):	Flagler County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	37.10 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	316.30 K
Observed - Background BT (3.9 um)	9.37 K
BT Anomaly (3.9 um)	5.43 K
Maximum Observed - Clear RTM BT (3.9 um)	16.11 K
Maximum Observed BTD (3.9-10/11/12 um)	21.62 K
Observed - Background BTD (3.9-10/11/12 um)	10.07 K
BTD Anomaly (3.9-10/11/12 um)	6.22 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	8.90 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.38
Fraction of Surrounding Red Channel Pixels that are Brighter	0.96
Maximum Radiative Power	37.10 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	35.00°
Mean Solar Zenith Angle	40.30°
Mean Glint Angle	74.90°
Water Fraction	0.00
Total Pixel Area	4.90 km²
Latest Satellite Imagery:	SCs-GAe-FLn_750_m
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Possible Wildfire

Basic Information
State/Province(s)	Veracruz de Ignacio de la Llave
Country/Countries	Mexico
County/Locality(s)	Pánuco, Veracruz de Ignacio de la Llave
NWS WFO	N/A
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-02-21 17:38:19UTC
Radiative Center (Lat, Lon):	22.373056°, -98.550835°
Nearby Counties (meeting alert criteria):	Pánuco (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	43.39 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	314.31 K
Observed - Background BT (3.9 um)	4.97 K
BT Anomaly (3.9 um)	7.44 K
Maximum Observed - Clear RTM BT (3.9 um)	7.14 K
Maximum Observed BTD (3.9-10/11/12 um)	19.28 K
Observed - Background BTD (3.9-10/11/12 um)	4.69 K
BTD Anomaly (3.9-10/11/12 um)	3.90 K
Similar Pixel Count	21
BT Time Tendency (3.9 um)	4.20 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	0.51
Maximum Radiative Power	43.39 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	37.30°
Mean Solar Zenith Angle	37.60°
Mean Glint Angle	73.70°
Water Fraction	0.00
Total Pixel Area	5.00 km²
Latest Satellite Imagery:	None Available
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Next Generation Fire System (NGFS) - Experimental

Wildfire Alert Report

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire

Possible Wildfire