Wildfire Alert
Aid: 883124
Alert Type: Possible Wildfire
Date: 2024-12-11 17:36:17 Show details

Basic Information
State/Province(s) CA
Country/Countries USA
County/Locality(s) Napa County, CA
NWS WFO San Francisco CA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2024-12-11 17:36:53UTC
Radiative Center (Lat, Lon): 38.430000°, -122.280000°
Nearby Counties (meeting alert criteria):
  • Napa County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power4.67 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)286.42 K
Observed - Background BT (3.9 um)3.57 K
BT Anomaly (3.9 um)5.38 K
Maximum Observed - Clear RTM BT (3.9 um)5.66 K
Maximum Observed BTD (3.9-10/11/12 um)5.32 K
Observed - Background BTD (3.9-10/11/12 um)1.98 K
BTD Anomaly (3.9-10/11/12 um)4.07 K
Similar Pixel Count6
BT Time Tendency (3.9 um)0.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder1.00
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power4.67 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 47.30°
Mean Solar Zenith Angle 70.20°
Mean Glint Angle97.60°
Water Fraction0.00
Total Pixel Area 6.70 km2
Latest Satellite Imagery:
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