Wildfire Alert
Aid: 1104823
Alert Type: Possible Wildfire
Date: 2025-09-11 08:01:17
Show details ▲▼
| Basic Information | |
|---|---|
| State/Province(s) | IL |
| Country/Countries | United States |
| County/Locality(s) | LaSalle County, IL |
| NWS WFO | Chicago IL |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-09-11 08:01:51UTC |
| Radiative Center (Lat, Lon): | 41.261944°, -88.633888° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 27.14 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nonmetal-mineral |
| Event Priority Ranking | 5 |
| Maximum Observed BT (3.9 um) | 291.69 K |
| Observed - Background BT (3.9 um) | 8.90 K |
| BT Anomaly (3.9 um) | 8.79 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 6.32 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 6.53 K |
| Observed - Background BTD (3.9-10/11/12 um) | 5.48 K |
| BTD Anomaly (3.9-10/11/12 um) | 11.78 K |
| Similar Pixel Count | 2 |
| BT Time Tendency (3.9 um) | 0.60 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 1.00 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 1.00 |
| Maximum Radiative Power | 27.14 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 49.90° |
| Mean Solar Zenith Angle | 125.10° |
| Mean Glint Angle | 93.80° |
| Water Fraction | 0.50 |
| Total Pixel Area | 12.40 km2 |
| Latest Satellite Imagery: | |
