Wildfire Alert Report
| Date: | 2025-10-09 |
|---|---|
| Time: | 21:31:18 |
| Production Date and Time: | 2025-10-09 21:36:21 UTC |
| Primary Instrument: | GOES-18 ABI |
| Wmo Spacecraft Id: | 665 |
| Location/orbit: | GEO |
| L1 File: | OR_ABI-L1b-RadC-M6C14_G18_s20252822131187_e20252822133560_c20252822134055.nc |
| L1 File(s) - Temporal | OR_ABI-L1b-RadC-M6C14_G18_s20252822126187_e20252822128560_c20252822129044.nc |
| Number Of Thermal Anomaly Alerts: | 1 |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | CA |
| Country/Countries | United States |
| County/Locality(s) | Placer County, CA |
| NWS WFO | Reno NV |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-10-09 21:31:54UTC |
| Radiative Center (Lat, Lon): | 39.313332°, -120.116943° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 8.58 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 306.49 K |
| Observed - Background BT (3.9 um) | 4.58 K |
| BT Anomaly (3.9 um) | 2.36 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 18.42 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 10.91 K |
| Observed - Background BTD (3.9-10/11/12 um) | 3.64 K |
| BTD Anomaly (3.9-10/11/12 um) | 4.39 K |
| Similar Pixel Count | 9 |
| BT Time Tendency (3.9 um) | 1.00 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.90 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.59 |
| Maximum Radiative Power | 8.58 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 49.00° |
| Mean Solar Zenith Angle | 51.40° |
| Mean Glint Angle | 100.00° |
| Water Fraction | 0.00 |
| Total Pixel Area | 6.10 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |

