Wildfire Alert Report

Date: 2024-09-20
Time: 20:41:17
Production Date and Time: 2024-09-20 20:45:56 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20242642041176_e20242642043549_c20242642044006.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20242642036176_e20242642038549_c20242642039003.nc
Number Of Thermal Anomaly Alerts: 4
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Possible Wildfire

Basic Information
State/Province(s) WA
Country/Countries USA
County/Locality(s) Walla Walla County, WA
NWS WFO Pendleton OR
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2024-09-20 20:41:23UTC
Radiative Center (Lat, Lon): 46.260°, -118.250°
Nearby Counties (meeting alert criteria):
  • Walla Walla County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power17.13 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)311.15 K
Observed - Background BT (3.9 um)2.84 K
BT Anomaly (3.9 um)2.48 K
Maximum Observed - Clear RTM BT (3.9 um)18.17 K
Maximum Observed BTD (3.9-10/11/12 um)19.22 K
Observed - Background BTD (3.9-10/11/12 um)2.90 K
BTD Anomaly (3.9-10/11/12 um)2.50 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.55
Fraction of Surrounding Red Channel Pixels that are Brighter0.82
Maximum Radiative Power17.13 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.60°
Mean Solar Zenith Angle 46.90°
Mean Glint Angle103.30°
Water Fraction0.00
Total Pixel Area 8.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WA
Country/Countries USA
County/Locality(s) Walla Walla County, WA
NWS WFO Pendleton OR
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2024-09-20 20:41:23UTC
Radiative Center (Lat, Lon): 46.200°, -118.190°
Nearby Counties (meeting alert criteria):
  • Walla Walla County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power7.76 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)309.78 K
Observed - Background BT (3.9 um)2.52 K
BT Anomaly (3.9 um)1.51 K
Maximum Observed - Clear RTM BT (3.9 um)17.17 K
Maximum Observed BTD (3.9-10/11/12 um)18.87 K
Observed - Background BTD (3.9-10/11/12 um)2.78 K
BTD Anomaly (3.9-10/11/12 um)1.73 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.43
Fraction of Surrounding Red Channel Pixels that are Brighter0.76
Maximum Radiative Power7.76 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.60°
Mean Solar Zenith Angle 46.80°
Mean Glint Angle103.20°
Water Fraction0.00
Total Pixel Area 8.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries USA
County/Locality(s) Ravalli County, MT
NWS WFO Missoula MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2024-09-20 20:41:23UTC
Radiative Center (Lat, Lon): 46.230°, -113.810°
Nearby Counties (meeting alert criteria):
  • Ravalli County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power10.41 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk, Known Incident: DALY (HIGH, tdiff=1.23745 days, PERIMETER)
Event Priority Ranking4
Maximum Observed BT (3.9 um)300.26 K
Observed - Background BT (3.9 um)3.38 K
BT Anomaly (3.9 um)1.59 K
Maximum Observed - Clear RTM BT (3.9 um)18.13 K
Maximum Observed BTD (3.9-10/11/12 um)10.68 K
Observed - Background BTD (3.9-10/11/12 um)2.48 K
BTD Anomaly (3.9-10/11/12 um)2.12 K
Similar Pixel Count22
BT Time Tendency (3.9 um)0.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.60
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power10.41 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.20°
Mean Solar Zenith Angle 48.00°
Mean Glint Angle106.10°
Water Fraction0.00
Total Pixel Area 9.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) OR
Country/Countries USA
County/Locality(s) Douglas County, OR
NWS WFO Medford OR
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2024-09-20 20:41:22UTC
Radiative Center (Lat, Lon): 42.880°, -122.850°
Nearby Counties (meeting alert criteria):
  • Douglas County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power6.17 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk, Known Incident: DEVILS KNOB (HIGH, tdiff=1.39932 days, PERIMETER)
Event Priority Ranking4
Maximum Observed BT (3.9 um)303.43 K
Observed - Background BT (3.9 um)2.51 K
BT Anomaly (3.9 um)1.15 K
Maximum Observed - Clear RTM BT (3.9 um)13.06 K
Maximum Observed BTD (3.9-10/11/12 um)10.32 K
Observed - Background BTD (3.9-10/11/12 um)2.11 K
BTD Anomaly (3.9-10/11/12 um)1.85 K
Similar Pixel Count22
BT Time Tendency (3.9 um)1.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.83
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power6.17 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.80°
Mean Solar Zenith Angle 42.70°
Mean Glint Angle94.30°
Water Fraction0.00
Total Pixel Area 7.40 km2
Latest Satellite Imagery:
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