Wildfire Alert Report

Date: 2023-11-29
Time: 20:31:17
Production Date and Time: 2023-11-29 20:35:58 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20233332031173_e20233332033546_c20233332034053.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20233332026173_e20233332028546_c20233332029001.nc
Number Of Thermal Anomaly Alerts: 2
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Possible Wildfire

Basic Information
State/Province(s) WA
Country/Countries USA
County/Locality(s) Asotin County, WA
NWS WFO Spokane WA
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2023-11-29 20:31:23UTC
Radiative Center (Lat, Lon): 46.170°, -117.280°
Nearby Counties (meeting alert criteria):
  • Asotin County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power157.93 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)304.57 K
Observed - Background BT (3.9 um)22.78 K
BT Anomaly (3.9 um)12.81 K
Maximum Observed - Clear RTM BT (3.9 um)34.18 K
Maximum Observed BTD (3.9-10/11/12 um)39.68 K
Observed - Background BTD (3.9-10/11/12 um)23.39 K
BTD Anomaly (3.9-10/11/12 um)8.14 K
Similar Pixel Count0
BT Time Tendency (3.9 um)4.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.50
Fraction of Surrounding Red Channel Pixels that are Brighter0.52
Maximum Radiative Power79.02 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.90°
Mean Solar Zenith Angle 68.50°
Mean Glint Angle124.00°
Water Fraction0.00
Total Pixel Area 17.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) OR
Country/Countries USA
County/Locality(s) Clackamas County, OR
NWS WFO Portland OR
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2023-11-29 20:31:22UTC
Radiative Center (Lat, Lon): 45.020°, -122.300°
Nearby Counties (meeting alert criteria):
  • Clackamas County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power101.12 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)304.68 K
Observed - Background BT (3.9 um)16.22 K
BT Anomaly (3.9 um)9.07 K
Maximum Observed - Clear RTM BT (3.9 um)29.81 K
Maximum Observed BTD (3.9-10/11/12 um)34.74 K
Observed - Background BTD (3.9-10/11/12 um)16.31 K
BTD Anomaly (3.9-10/11/12 um)6.07 K
Similar Pixel Count0
BT Time Tendency (3.9 um)4.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.56
Fraction of Surrounding Red Channel Pixels that are Brighter0.75
Maximum Radiative Power56.41 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.20°
Mean Solar Zenith Angle 66.70°
Mean Glint Angle119.90°
Water Fraction0.00
Total Pixel Area 15.90 km2
Latest Satellite Imagery:
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