Wildfire Alert
Aid: 1101411
Alert Type: Possible Wildfire
Date: 2025-09-05 06:16:17
Show details ▲▼
| 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 | 2025-09-05 06:16:18UTC |
| Radiative Center (Lat, Lon): | 47.544167°, -123.308609° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 32.65 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk, Known Incident: Bear Gulch (HIGH, tdiff=0.24819 days, Perimeter) |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 290.34 K |
| Observed - Background BT (3.9 um) | 3.40 K |
| BT Anomaly (3.9 um) | 4.58 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 6.15 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 6.77 K |
| Observed - Background BTD (3.9-10/11/12 um) | 3.54 K |
| BTD Anomaly (3.9-10/11/12 um) | 4.07 K |
| Similar Pixel Count | 6 |
| BT Time Tendency (3.9 um) | 0.50 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.38 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 1.00 |
| Maximum Radiative Power | 16.67 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 72.10° |
| Mean Solar Zenith Angle | 119.50° |
| Mean Glint Angle | 52.40° |
| Water Fraction | 0.00 |
| Total Pixel Area | 26.00 km2 |
| Latest Satellite Imagery: | |
