Jan 2026: Due to an ongoing data center cooling system construction project, NGFS data outages may occur with little or no notice.

Wildfire Alert Report

Date: 2024-04-23
Time: 19:11:17
Production Date and Time: 2024-04-23 19:16:00 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20241141911178_e20241141913551_c20241141914043.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20241141906178_e20241141908552_c20241141909042.nc
Number Of Thermal Anomaly Alerts: 5
More details ▼ Hide details ▲

Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries USA
County/Locality(s) Lincoln County, MT
NWS WFO Missoula MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2024-04-23 19:11:23UTC
Radiative Center (Lat, Lon): 48.470000°, -115.820000°
Nearby Counties (meeting alert criteria):
  • Lincoln County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power24.65 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)294.16 K
Observed - Background BT (3.9 um)8.40 K
BT Anomaly (3.9 um)3.94 K
Maximum Observed - Clear RTM BT (3.9 um)7.82 K
Maximum Observed BTD (3.9-10/11/12 um)17.09 K
Observed - Background BTD (3.9-10/11/12 um)8.58 K
BTD Anomaly (3.9-10/11/12 um)4.43 K
Similar Pixel Count6
BT Time Tendency (3.9 um)0.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.28
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power24.65 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 59.60°
Mean Solar Zenith Angle 36.40°
Mean Glint Angle89.30°
Water Fraction0.00
Total Pixel Area 9.90 km2
Latest Satellite Imagery:
Show More ▲ Show Less ▼ View all event imagery »

Possible Wildfire

Basic Information
State/Province(s) ID
Country/Countries USA
County/Locality(s) Shoshone County, ID
NWS WFO Spokane WA
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2024-04-23 19:11:23UTC
Radiative Center (Lat, Lon): 47.660000°, -116.030000°
Nearby Counties (meeting alert criteria):
  • Shoshone County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power26.43 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk, Known Incident: D1 RX CEDAR CREEK SALVAGE (HIGH, tdiff=1.03027 days, POINT)
Event Priority Ranking4
Maximum Observed BT (3.9 um)294.86 K
Observed - Background BT (3.9 um)7.15 K
BT Anomaly (3.9 um)5.85 K
Maximum Observed - Clear RTM BT (3.9 um)8.35 K
Maximum Observed BTD (3.9-10/11/12 um)20.10 K
Observed - Background BTD (3.9-10/11/12 um)7.32 K
BTD Anomaly (3.9-10/11/12 um)5.29 K
Similar Pixel Count0
BT Time Tendency (3.9 um)1.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.67
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power26.43 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.80°
Mean Solar Zenith Angle 35.70°
Mean Glint Angle87.60°
Water Fraction0.00
Total Pixel Area 9.50 km2
Latest Satellite Imagery:
Show More ▲ Show Less ▼ View all event imagery »

Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries USA
County/Locality(s) Cascade County, MT
NWS WFO Great Falls MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2024-04-23 19:11:23UTC
Radiative Center (Lat, Lon): 47.680000°, -111.420000°
Nearby Counties (meeting alert criteria):
  • Cascade County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power16.35 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)308.13 K
Observed - Background BT (3.9 um)3.45 K
BT Anomaly (3.9 um)3.69 K
Maximum Observed - Clear RTM BT (3.9 um)16.27 K
Maximum Observed BTD (3.9-10/11/12 um)13.99 K
Observed - Background BTD (3.9-10/11/12 um)3.38 K
BTD Anomaly (3.9-10/11/12 um)3.55 K
Similar Pixel Count20
BT Time Tendency (3.9 um)1.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.38
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power16.35 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 60.50°
Mean Solar Zenith Angle 35.20°
Mean Glint Angle89.60°
Water Fraction0.00
Total Pixel Area 10.50 km2
Latest Satellite Imagery:
Show More ▲ Show Less ▼ View all event imagery »

Possible Wildfire

Basic Information
State/Province(s) ND
Country/Countries USA
County/Locality(s) Cavalier County, ND
NWS WFO Grand Forks ND
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2024-04-23 19:11:24UTC
Radiative Center (Lat, Lon): 48.590000°, -98.660000°
Nearby Counties (meeting alert criteria):
  • Cavalier County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power23.34 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)303.13 K
Observed - Background BT (3.9 um)2.27 K
BT Anomaly (3.9 um)2.07 K
Maximum Observed - Clear RTM BT (3.9 um)24.53 K
Maximum Observed BTD (3.9-10/11/12 um)14.17 K
Observed - Background BTD (3.9-10/11/12 um)3.34 K
BTD Anomaly (3.9-10/11/12 um)9.03 K
Similar Pixel Count25
BT Time Tendency (3.9 um)2.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.13
Fraction of Surrounding Red Channel Pixels that are Brighter0.99
Maximum Radiative Power23.34 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 67.20°
Mean Solar Zenith Angle 36.90°
Mean Glint Angle99.60°
Water Fraction0.00
Total Pixel Area 16.30 km2
Latest Satellite Imagery:
Show More ▲ Show Less ▼ View all event imagery »

Possible Wildfire

Basic Information
State/Province(s) UT
Country/Countries USA
County/Locality(s) Beaver County, UT
NWS WFO Salt Lake City UT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2024-04-23 19:11:54UTC
Radiative Center (Lat, Lon): 38.290000°, -112.410000°
Nearby Counties (meeting alert criteria):
  • Beaver County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power45.80 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)305.44 K
Observed - Background BT (3.9 um)11.65 K
BT Anomaly (3.9 um)3.80 K
Maximum Observed - Clear RTM BT (3.9 um)17.74 K
Maximum Observed BTD (3.9-10/11/12 um)22.25 K
Observed - Background BTD (3.9-10/11/12 um)11.66 K
BTD Anomaly (3.9-10/11/12 um)3.88 K
Similar Pixel Count3
BT Time Tendency (3.9 um)3.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.14
Fraction of Surrounding Red Channel Pixels that are Brighter0.31
Maximum Radiative Power45.80 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.50°
Mean Solar Zenith Angle 26.00°
Mean Glint Angle71.40°
Water Fraction0.00
Total Pixel Area 7.70 km2
Latest Satellite Imagery:
Show More ▲ Show Less ▼ View all event imagery »