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: 1091663
Alert Type: Possible Wildfire
Date: 2025-08-14 21:36:18
Show details ▲▼
| Basic Information | |
|---|---|
| State/Province(s) | SD |
| Country/Countries | United States |
| County/Locality(s) | Custer County, SD |
| NWS WFO | Rapid City SD |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-08-14 21:36:55UTC |
| Radiative Center (Lat, Lon): | 43.591110°, -103.563057° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 59.29 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk, Known Incident: Cold Springs (HIGH, tdiff=0.05001 days, Point) |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 320.07 K |
| Observed - Background BT (3.9 um) | 6.87 K |
| BT Anomaly (3.9 um) | 2.26 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 16.51 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 20.97 K |
| Observed - Background BTD (3.9-10/11/12 um) | 7.35 K |
| BTD Anomaly (3.9-10/11/12 um) | 2.97 K |
| Similar Pixel Count | 10 |
| BT Time Tendency (3.9 um) | 1.20 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.63 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.94 |
| Maximum Radiative Power | 59.29 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 60.70° |
| Mean Solar Zenith Angle | 44.10° |
| Mean Glint Angle | 103.10° |
| Water Fraction | 0.00 |
| Total Pixel Area | 8.20 km2 |
| Latest Satellite Imagery: | |
