Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2026-03-21
Time:	13:41:17
Production Date and Time:	2026-03-21 13:46:02 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadC-M6C14_G19_s20260801341171_e20260801343544_c20260801344025.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadC-M6C14_G19_s20260801336171_e20260801338544_c20260801339031.nc
Number Of Thermal Anomaly Alerts:	6

Possible Wildfire

Basic Information
State/Province(s)	IA
Country/Countries	United States
County/Locality(s)	Humboldt County, IA
NWS WFO	Des Moines IA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-03-21 13:41:50UTC
Radiative Center (Lat, Lon):	42.785000°, -94.423615°
Nearby Counties (meeting alert criteria):	Humboldt County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	18.70 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	287.36 K
Observed - Background BT (3.9 um)	3.76 K
BT Anomaly (3.9 um)	3.95 K
Maximum Observed - Clear RTM BT (3.9 um)	1.65 K
Maximum Observed BTD (3.9-10/11/12 um)	6.26 K
Observed - Background BTD (3.9-10/11/12 um)	3.33 K
BTD Anomaly (3.9-10/11/12 um)	12.28 K
Similar Pixel Count	2
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	1.00
Maximum Radiative Power	18.70 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	53.30°
Mean Solar Zenith Angle	76.30°
Mean Glint Angle	111.40°
Water Fraction	0.00
Total Pixel Area	13.40 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)	Lucas County, IA
NWS WFO	Des Moines IA
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-03-21 13:41:51UTC
Radiative Center (Lat, Lon):	41.113888°, -93.394722°
Nearby Counties (meeting alert criteria):	Lucas County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	9.11 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	290.46 K
Observed - Background BT (3.9 um)	3.97 K
BT Anomaly (3.9 um)	4.37 K
Maximum Observed - Clear RTM BT (3.9 um)	4.74 K
Maximum Observed BTD (3.9-10/11/12 um)	7.29 K
Observed - Background BTD (3.9-10/11/12 um)	3.78 K
BTD Anomaly (3.9-10/11/12 um)	4.70 K
Similar Pixel Count	5
BT Time Tendency (3.9 um)	3.20 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.61
Fraction of Surrounding Red Channel Pixels that are Brighter	0.89
Maximum Radiative Power	9.11 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	51.30°
Mean Solar Zenith Angle	75.20°
Mean Glint Angle	109.10°
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)	AL
Country/Countries	United States
County/Locality(s)	Barbour County, AL
NWS WFO	Birmingham AL
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-03-21 13:42:21UTC
Radiative Center (Lat, Lon):	31.745832°, -85.518333°
Nearby Counties (meeting alert criteria):	Barbour County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	6.04 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	292.55 K
Observed - Background BT (3.9 um)	3.63 K
BT Anomaly (3.9 um)	6.12 K
Maximum Observed - Clear RTM BT (3.9 um)	6.79 K
Maximum Observed BTD (3.9-10/11/12 um)	5.95 K
Observed - Background BTD (3.9-10/11/12 um)	3.15 K
BTD Anomaly (3.9-10/11/12 um)	12.37 K
Similar Pixel Count	1
BT Time Tendency (3.9 um)	2.00 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.93
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	6.04 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	38.80°
Mean Solar Zenith Angle	66.60°
Mean Glint Angle	91.10°
Water Fraction	0.00
Total Pixel Area	5.10 km²
Latest Satellite Imagery:	MS-AL-GAw-FLw_750_m
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Possible Wildfire

Basic Information
State/Province(s)	FL
Country/Countries	United States
County/Locality(s)	Gilchrist County, FL
NWS WFO	Jacksonville FL
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-03-21 13:42:52UTC
Radiative Center (Lat, Lon):	29.618055°, -82.694443°
Nearby Counties (meeting alert criteria):	Gilchrist County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	4.95 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	293.60 K
Observed - Background BT (3.9 um)	2.63 K
BT Anomaly (3.9 um)	2.57 K
Maximum Observed - Clear RTM BT (3.9 um)	7.36 K
Maximum Observed BTD (3.9-10/11/12 um)	5.87 K
Observed - Background BTD (3.9-10/11/12 um)	2.45 K
BTD Anomaly (3.9-10/11/12 um)	4.58 K
Similar Pixel Count	13
BT Time Tendency (3.9 um)	2.60 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	0.79
Maximum Radiative Power	4.95 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	35.70°
Mean Solar Zenith Angle	63.70°
Mean Glint Angle	85.00°
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)	FL
Country/Countries	United States
County/Locality(s)	Polk County, FL
NWS WFO	Tampa Bay Ruskin FL
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2026-03-21 13:42:52UTC
Radiative Center (Lat, Lon):	27.849722°, -81.762497°
Nearby Counties (meeting alert criteria):	Polk County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	6.75 MW
Map:
Additional Information
Alert 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)	4.79 K
BT Anomaly (3.9 um)	5.51 K
Maximum Observed - Clear RTM BT (3.9 um)	9.63 K
Maximum Observed BTD (3.9-10/11/12 um)	6.79 K
Observed - Background BTD (3.9-10/11/12 um)	3.68 K
BTD Anomaly (3.9-10/11/12 um)	8.86 K
Similar Pixel Count	2
BT Time Tendency (3.9 um)	1.00 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	1.00
Fraction of Surrounding Red Channel Pixels that are Brighter	0.88
Maximum Radiative Power	6.75 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	33.50°
Mean Solar Zenith Angle	62.40°
Mean Glint Angle	81.90°
Water Fraction	0.00
Total Pixel Area	4.80 km²
Latest Satellite Imagery:	FLs_750_m
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Possible Wildfire

Basic Information
State/Province(s)	FL
Country/Countries	United States
County/Locality(s)	Palm Beach County, FL
NWS WFO	Miami FL
Identification Method	Enhanced Contextual (Cloud)
Mean Object Date/Time	2026-03-21 13:42:52UTC
Radiative Center (Lat, Lon):	26.727222°, -80.498886°
Nearby Counties (meeting alert criteria):	Palm Beach County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	314.10 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Fire Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	336.78 K
Observed - Background BT (3.9 um)	41.54 K
BT Anomaly (3.9 um)	14.13 K
Maximum Observed - Clear RTM BT (3.9 um)	47.20 K
Maximum Observed BTD (3.9-10/11/12 um)	44.56 K
Observed - Background BTD (3.9-10/11/12 um)	40.29 K
BTD Anomaly (3.9-10/11/12 um)	14.72 K
Similar Pixel Count	0
BT Time Tendency (3.9 um)	41.90 K
Image Interval	5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.99
Fraction of Surrounding Red Channel Pixels that are Brighter	0.50
Maximum Radiative Power	314.10 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	31.90°
Mean Solar Zenith Angle	61.00°
Mean Glint Angle	78.90°
Water Fraction	0.00
Total Pixel Area	14.10 km²
Latest Satellite Imagery:	FLs_750_m
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Next Generation Fire System (NGFS) - Experimental

Wildfire Alert Report

Possible Wildfire

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