Wildfire Alert
Aid: 1098944
Alert Type: Possible Wildfire
Date: 2025-08-31 21:36:18
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| Basic Information | |
|---|---|
| State/Province(s) | WA |
| Country/Countries | United States |
| County/Locality(s) | Mason County, WA |
| NWS WFO | Seattle WA |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-08-31 21:36:19UTC |
| Radiative Center (Lat, Lon): | 47.544167°, -123.308609° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 74.65 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk, Known Incident: Bear Gulch (HIGH, tdiff=0.75076 days, Perimeter) |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 301.78 K |
| Observed - Background BT (3.9 um) | 10.36 K |
| BT Anomaly (3.9 um) | 7.69 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 16.29 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 17.83 K |
| Observed - Background BTD (3.9-10/11/12 um) | 9.33 K |
| BTD Anomaly (3.9-10/11/12 um) | 7.39 K |
| Similar Pixel Count | 1 |
| BT Time Tendency (3.9 um) | 7.40 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.97 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.40 |
| Maximum Radiative Power | 74.65 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 72.10° |
| Mean Solar Zenith Angle | 42.30° |
| Mean Glint Angle | 78.40° |
| Water Fraction | 0.00 |
| Total Pixel Area | 13.00 km2 |
| Latest Satellite Imagery: | |
