Jan 2026: Due to an ongoing data center cooling system construction project, NGFS data outages may occur with little or no notice.
Wildfire Alert
Aid: 825593
Alert Type: Possible Wildfire
Date: 2024-09-12 18:00:28
Show details ▲▼
| Basic Information | |
|---|---|
| State/Province(s) | SD |
| Country/Countries | USA |
| County/Locality(s) | Mellette County, SD |
| NWS WFO | Rapid City SD |
| Identification Method | Enhanced Contextual (Cloud) |
| Mean Object Date/Time | 2024-09-12 18:00:31UTC |
| Radiative Center (Lat, Lon): | 43.590000°, -100.780000° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 341.06 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Critical SPC Risk and Red Flag Warning |
| Event Priority Ranking | 1 |
| Maximum Observed BT (3.9 um) | 333.06 K |
| Observed - Background BT (3.9 um) | 24.36 K |
| BT Anomaly (3.9 um) | 24.93 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 28.89 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 36.45 K |
| Observed - Background BTD (3.9-10/11/12 um) | 23.72 K |
| BTD Anomaly (3.9-10/11/12 um) | 43.58 K |
| Similar Pixel Count | 0 |
| BT Time Tendency (3.9 um) | -999.00 K |
| Image Interval | -999.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.87 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.99 |
| Maximum Radiative Power | 196.23 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 56.80° |
| Mean Solar Zenith Angle | 40.40° |
| Mean Glint Angle | 95.30° |
| Water Fraction | 0.00 |
| Total Pixel Area | 18.40 km2 |
| Latest Satellite Imagery: | |
