Wildfire Alert Report

Date: 2023-07-29
Time: 20:30:30
Production Date and Time: 2023-07-29 20:41:40 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadF-M6C14_G18_s20232102030216_e20232102039525_c20232102039577.nc
L1 File(s) - TemporalOR_ABI-L1b-RadF-M6C14_G18_s20232102020216_e20232102029524_c20232102029581.nc
Number Of Thermal Anomaly Alerts: 4
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Possible Wildfire

Basic Information
State/Province(s) AK
Country/Countries USA
County/Locality(s) Yukon-Koyukuk Census Area, AK
NWS WFO Unknown
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2023-07-29 20:30:24UTC
Radiative Center (Lat, Lon): 65.210000°, -145.030000°
Nearby Counties (meeting alert criteria):
  • Yukon-Koyukuk Census Area (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power40.53 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk, Known Incident: VOLCANO (LOW, tdiff=2.94953 days, PERIMETER)
Event Priority Ranking4
Maximum Observed BT (3.9 um)299.10 K
Observed - Background BT (3.9 um)4.06 K
BT Anomaly (3.9 um)2.60 K
Maximum Observed - Clear RTM BT (3.9 um)13.56 K
Maximum Observed BTD (3.9-10/11/12 um)16.90 K
Observed - Background BTD (3.9-10/11/12 um)3.39 K
BTD Anomaly (3.9-10/11/12 um)2.60 K
Similar Pixel Count25
BT Time Tendency (3.9 um)2.70 K
Image Interval10.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.86
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power40.53 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 74.50°
Mean Solar Zenith Angle 47.70°
Mean Glint Angle120.40°
Water Fraction0.00
Total Pixel Area 18.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) Unknown
Country/Countries Canada
County/Locality(s) Canada
NWS WFO N/A
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2023-07-29 20:30:25UTC
Radiative Center (Lat, Lon): 64.070000°, -135.970000°
Nearby Counties (meeting alert criteria):
  • Unknown (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power258.22 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)304.79 K
Observed - Background BT (3.9 um)17.25 K
BT Anomaly (3.9 um)10.75 K
Maximum Observed - Clear RTM BT (3.9 um)14.91 K
Maximum Observed BTD (3.9-10/11/12 um)37.05 K
Observed - Background BTD (3.9-10/11/12 um)17.01 K
BTD Anomaly (3.9-10/11/12 um)12.72 K
Similar Pixel Count0
BT Time Tendency (3.9 um)11.00 K
Image Interval10.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.90
Fraction of Surrounding Red Channel Pixels that are Brighter0.96
Maximum Radiative Power258.22 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 73.00°
Mean Solar Zenith Angle 45.40°
Mean Glint Angle117.00°
Water Fraction0.00
Total Pixel Area 16.30 km2
Latest Satellite Imagery:
  • None Available
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Possible Wildfire

Basic Information
State/Province(s) Unknown
Country/Countries Canada
County/Locality(s) Canada
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2023-07-29 20:30:40UTC
Radiative Center (Lat, Lon): 56.190000°, -124.850000°
Nearby Counties (meeting alert criteria):
  • Unknown (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power93.65 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)315.16 K
Observed - Background BT (3.9 um)12.17 K
BT Anomaly (3.9 um)3.71 K
Maximum Observed - Clear RTM BT (3.9 um)22.95 K
Maximum Observed BTD (3.9-10/11/12 um)21.45 K
Observed - Background BTD (3.9-10/11/12 um)11.60 K
BTD Anomaly (3.9-10/11/12 um)4.99 K
Similar Pixel Count16
BT Time Tendency (3.9 um)5.70 K
Image Interval10.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.88
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power93.65 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 65.30°
Mean Solar Zenith Angle 37.00°
Mean Glint Angle101.60°
Water Fraction0.00
Total Pixel Area 11.60 km2
Latest Satellite Imagery:
  • None Available
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Possible Wildfire

Basic Information
State/Province(s) Unknown
Country/Countries Canada
County/Locality(s) Canada
NWS WFO N/A
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2023-07-29 20:30:51UTC
Radiative Center (Lat, Lon): 50.660000°, -115.740000°
Nearby Counties (meeting alert criteria):
  • Unknown (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power155.32 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)317.30 K
Observed - Background BT (3.9 um)15.20 K
BT Anomaly (3.9 um)7.26 K
Maximum Observed - Clear RTM BT (3.9 um)25.41 K
Maximum Observed BTD (3.9-10/11/12 um)27.58 K
Observed - Background BTD (3.9-10/11/12 um)15.14 K
BTD Anomaly (3.9-10/11/12 um)8.34 K
Similar Pixel Count0
BT Time Tendency (3.9 um)11.20 K
Image Interval10.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.82
Fraction of Surrounding Red Channel Pixels that are Brighter0.93
Maximum Radiative Power97.49 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 61.80°
Mean Solar Zenith Angle 32.50°
Mean Glint Angle94.00°
Water Fraction0.00
Total Pixel Area 21.40 km2
Latest Satellite Imagery:
  • None Available
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