Next Generation Fire System (NGFS) - Experimental ; CIMSS

Date:	2025-04-11
Time:	16:08:25
Production Date and Time:	2025-04-11 16:09:55 UTC
Primary Instrument:	GOES-19 ABI
Wmo Spacecraft Id:	666
Location/orbit:	GEO
L1 File:	OR_ABI-L1b-RadM1-M6C14_G19_s20251011608256_e20251011608313_c20251011608360.nc
L1 File(s) - Temporal	OR_ABI-L1b-RadM1-M6C14_G19_s20251011607256_e20251011607313_c20251011607376.nc
Number Of Thermal Anomaly Alerts:	4

Basic Information
State/Province(s)	SD
Country/Countries	United States
County/Locality(s)	Bon Homme County, SD
NWS WFO	Sioux Falls SD
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-11 16:08:28UTC
Radiative Center (Lat, Lon):	42.979443°, -98.040833°
Nearby Counties (meeting alert criteria):	Bon Homme County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	34.04 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	311.40 K
Observed - Background BT (3.9 um)	7.59 K
BT Anomaly (3.9 um)	5.11 K
Maximum Observed - Clear RTM BT (3.9 um)	24.76 K
Maximum Observed BTD (3.9-10/11/12 um)	17.07 K
Observed - Background BTD (3.9-10/11/12 um)	7.03 K
BTD Anomaly (3.9-10/11/12 um)	10.12 K
Similar Pixel Count	2
BT Time Tendency (3.9 um)	6.40 K
Image Interval	1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.75
Fraction of Surrounding Red Channel Pixels that are Brighter	0.94
Maximum Radiative Power	34.04 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	55.00°
Mean Solar Zenith Angle	47.30°
Mean Glint Angle	99.90°
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
Show More ▲ Show Less ▼ View all event imagery »

Basic Information
State/Province(s)	NE
Country/Countries	United States
County/Locality(s)	Valley County, NE
NWS WFO	Hastings NE
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-11 16:08:27UTC
Radiative Center (Lat, Lon):	41.724998°, -98.971947°
Nearby Counties (meeting alert criteria):	Valley County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	15.80 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	305.40 K
Observed - Background BT (3.9 um)	3.40 K
BT Anomaly (3.9 um)	2.73 K
Maximum Observed - Clear RTM BT (3.9 um)	17.66 K
Maximum Observed BTD (3.9-10/11/12 um)	12.35 K
Observed - Background BTD (3.9-10/11/12 um)	3.45 K
BTD Anomaly (3.9-10/11/12 um)	4.91 K
Similar Pixel Count	19
BT Time Tendency (3.9 um)	2.00 K
Image Interval	1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.50
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	15.80 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	54.20°
Mean Solar Zenith Angle	47.10°
Mean Glint Angle	99.00°
Water Fraction	0.00
Total Pixel Area	6.80 km²
Latest Satellite Imagery:	SDs-NE-COne-KSnw_750_m
Show More ▲ Show Less ▼ View all event imagery »

Basic Information
State/Province(s)	NE
Country/Countries	United States
County/Locality(s)	Johnson County, NE
NWS WFO	Omaha/Valley NE
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-11 16:08:31UTC
Radiative Center (Lat, Lon):	40.278057°, -96.079170°
Nearby Counties (meeting alert criteria):	Johnson County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	12.82 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	306.47 K
Observed - Background BT (3.9 um)	2.98 K
BT Anomaly (3.9 um)	2.17 K
Maximum Observed - Clear RTM BT (3.9 um)	20.07 K
Maximum Observed BTD (3.9-10/11/12 um)	12.58 K
Observed - Background BTD (3.9-10/11/12 um)	3.00 K
BTD Anomaly (3.9-10/11/12 um)	3.83 K
Similar Pixel Count	25
BT Time Tendency (3.9 um)	2.10 K
Image Interval	1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.51
Fraction of Surrounding Red Channel Pixels that are Brighter	0.96
Maximum Radiative Power	12.82 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	51.60°
Mean Solar Zenith Angle	44.50°
Mean Glint Angle	93.70°
Water Fraction	0.00
Total Pixel Area	6.40 km²
Latest Satellite Imagery:	MNs-IA-MOnw-NEe_750_m
Show More ▲ Show Less ▼ View all event imagery »

Basic Information
State/Province(s)	KS
Country/Countries	United States
County/Locality(s)	Chautauqua County, KS
NWS WFO	Wichita KS
Identification Method	Enhanced Contextual (Clear)
Mean Object Date/Time	2025-04-11 16:08:30UTC
Radiative Center (Lat, Lon):	37.281113°, -96.461670°
Nearby Counties (meeting alert criteria):	Chautauqua County (0.00 km)
Total Radiative Power Anomaly	n/a
Total Radiative Power	34.08 MW
Map:
Additional Information
Alert Status	New Feature
Type of Event	Nominal Risk
Event Priority Ranking	4
Maximum Observed BT (3.9 um)	309.64 K
Observed - Background BT (3.9 um)	6.87 K
BT Anomaly (3.9 um)	2.49 K
Maximum Observed - Clear RTM BT (3.9 um)	21.18 K
Maximum Observed BTD (3.9-10/11/12 um)	16.27 K
Observed - Background BTD (3.9-10/11/12 um)	7.75 K
BTD Anomaly (3.9-10/11/12 um)	3.15 K
Similar Pixel Count	2
BT Time Tendency (3.9 um)	4.20 K
Image Interval	1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder	0.10
Fraction of Surrounding Red Channel Pixels that are Brighter	1.00
Maximum Radiative Power	34.08 MW
Maximum Radiative Power Uncertainty	0.00 MW
Total Radiative Power Uncertainty	0.00 MW
Mean Viewing Angle	48.90°
Mean Solar Zenith Angle	42.90°
Mean Glint Angle	89.50°
Water Fraction	0.00
Total Pixel Area	6.10 km²
Latest Satellite Imagery:	MOsw-KSe-OKe-ARnw_750_m
Show More ▲ Show Less ▼ View all event imagery »

Next Generation Fire System (NGFS) - Experimental