1315 UTC 10 Feb 2026: The SSEC DB upgrade is complete, while most things are functional, a few things are not working properly and are being investigated.
Wildfire Alert
Aid: 1087684
Alert Type: Possible Wildfire
Date: 2025-08-05 17:49:54
Show details ▲▼
| Basic Information | |
|---|---|
| State/Province(s) | SD |
| Country/Countries | United States |
| County/Locality(s) | Yankton County, SD |
| NWS WFO | Sioux Falls SD |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-08-05 17:49:56UTC |
| Radiative Center (Lat, Lon): | 42.890278°, -97.393333° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 19.23 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Likely an Urban Source |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 302.20 K |
| Observed - Background BT (3.9 um) | 4.50 K |
| BT Anomaly (3.9 um) | 7.40 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 7.79 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 16.00 K |
| Observed - Background BTD (3.9-10/11/12 um) | 4.27 K |
| BTD Anomaly (3.9-10/11/12 um) | 7.29 K |
| Similar Pixel Count | 25 |
| BT Time Tendency (3.9 um) | 0.10 K |
| Image Interval | 1.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.62 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.87 |
| Maximum Radiative Power | 19.23 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 54.60° |
| Mean Solar Zenith Angle | 27.20° |
| Mean Glint Angle | 81.70° |
| Water Fraction | 0.00 |
| Total Pixel Area | 6.90 km2 |
| Latest Satellite Imagery: | |
