Wildfire Alert Report

Date: 2025-04-24
Time: 18:11:17
Production Date and Time: 2025-04-24 18:16:05 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20251141811178_e20251141813551_c20251141814060.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20251141806178_e20251141808551_c20251141809046.nc
Number Of Thermal Anomaly Alerts: 3
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Flathead County, MT
NWS WFO Missoula MT
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-04-24 18:11:23UTC
Radiative Center (Lat, Lon): 48.310276°, -114.401665°
Nearby Counties (meeting alert criteria):
  • Flathead County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power59.65 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)311.09 K
Observed - Background BT (3.9 um)12.16 K
BT Anomaly (3.9 um)8.60 K
Maximum Observed - Clear RTM BT (3.9 um)24.19 K
Maximum Observed BTD (3.9-10/11/12 um)19.22 K
Observed - Background BTD (3.9-10/11/12 um)11.28 K
BTD Anomaly (3.9-10/11/12 um)19.84 K
Similar Pixel Count0
BT Time Tendency (3.9 um)11.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.98
Fraction of Surrounding Red Channel Pixels that are Brighter0.56
Maximum Radiative Power59.65 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 60.00°
Mean Solar Zenith Angle 39.80°
Mean Glint Angle82.70°
Water Fraction0.00
Total Pixel Area 8.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) OR
Country/Countries United States
County/Locality(s) Deschutes County, OR
NWS WFO Pendleton OR
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-24 18:11:23UTC
Radiative Center (Lat, Lon): 44.256668°, -121.550552°
Nearby Counties (meeting alert criteria):
  • Deschutes County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power34.39 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)300.95 K
Observed - Background BT (3.9 um)7.48 K
BT Anomaly (3.9 um)2.13 K
Maximum Observed - Clear RTM BT (3.9 um)11.96 K
Maximum Observed BTD (3.9-10/11/12 um)16.36 K
Observed - Background BTD (3.9-10/11/12 um)7.19 K
BTD Anomaly (3.9-10/11/12 um)2.50 K
Similar Pixel Count4
BT Time Tendency (3.9 um)4.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.70
Fraction of Surrounding Red Channel Pixels that are Brighter0.46
Maximum Radiative Power34.39 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.60°
Mean Solar Zenith Angle 39.80°
Mean Glint Angle74.90°
Water Fraction0.00
Total Pixel Area 6.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Siskiyou County, CA
NWS WFO Medford OR
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-24 18:11:52UTC
Radiative Center (Lat, Lon): 41.531113°, -123.616943°
Nearby Counties (meeting alert criteria):
  • Siskiyou County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power6.00 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)292.56 K
Observed - Background BT (3.9 um)5.32 K
BT Anomaly (3.9 um)3.34 K
Maximum Observed - Clear RTM BT (3.9 um)5.55 K
Maximum Observed BTD (3.9-10/11/12 um)9.30 K
Observed - Background BTD (3.9-10/11/12 um)4.56 K
BTD Anomaly (3.9-10/11/12 um)3.75 K
Similar Pixel Count15
BT Time Tendency (3.9 um)2.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.79
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power6.00 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 50.20°
Mean Solar Zenith Angle 39.20°
Mean Glint Angle70.20°
Water Fraction0.00
Total Pixel Area 6.20 km2
Latest Satellite Imagery:
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