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Wildfire Notification Report
| Date: | 2026-04-21 |
|---|---|
| Time: | 19:42:24 |
| Production Date and Time: | 2026-04-21 19:43:06 UTC |
| Primary Instrument: | GOES-18 ABI |
| Wmo Spacecraft Id: | 665 |
| Location/orbit: | GEO |
| L1 File: | OR_ABI-L1b-RadM1-M6C14_G18_s20261111942249_e20261111942307_c20261111942372.nc |
| L1 File(s) - Temporal | OR_ABI-L1b-RadM1-M6C14_G18_s20261111941249_e20261111941307_c20261111941371.nc |
| Number Of Thermal Anomaly Notifications: | 1 |
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Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | SD |
| Country/Countries | United States |
| County/Locality(s) | Bon Homme County, SD |
| NWS WFO | Sioux Falls SD |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2026-04-21 19:42:27UTC |
| Radiative Center (Lat, Lon): | 42.860554°, -97.646385° |
| Nearby Counties (meeting notification criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 158.56 MW |
| Map: | |
| Additional Information | |
| Notification Status | New Feature |
| Type of Event | Nominal Fire Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 314.34 K |
| Observed - Background BT (3.9 um) | 9.11 K |
| BT Anomaly (3.9 um) | 4.32 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 15.02 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 22.38 K |
| Observed - Background BTD (3.9-10/11/12 um) | 10.06 K |
| BTD Anomaly (3.9-10/11/12 um) | 4.00 K |
| Similar Pixel Count | 7 |
| BT Time Tendency (3.9 um) | 4.60 K |
| Image Interval | 1.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.05 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 1.00 |
| Maximum Radiative Power | 80.55 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 63.60° |
| Mean Solar Zenith Angle | 35.10° |
| Mean Glint Angle | 97.20° |
| Water Fraction | 1.00 |
| Total Pixel Area | 18.00 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |