Jan 2026: Due to an ongoing data center cooling system construction project, NGFS data outages may occur with little or no notice.
NOTE: A data center outage will result in an NGFS outage on Thursday 1/29 from approximately 1800 – 1930 UTC.
Wildfire Alert Report
| Date: | 2025-04-11 |
|---|---|
| Time: | 20:40:22 |
| Production Date and Time: | 2025-04-11 20:51:44 UTC |
| Primary Instrument: | GOES-18 ABI |
| Wmo Spacecraft Id: | 665 |
| Location/orbit: | GEO |
| L1 File: | OR_ABI-L1b-RadF-M6C14_G18_s20251012040221_e20251012049529_c20251012049587.nc |
| L1 File(s) - Temporal | OR_ABI-L1b-RadF-M6C14_G18_s20251012030221_e20251012039529_c20251012039577.nc |
| Number Of Thermal Anomaly Alerts: | 2 |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | AK |
| Country/Countries | United States |
| County/Locality(s) | Denali Borough, AK |
| NWS WFO | Unknown |
| Identification Method | Enhanced Contextual (Cloud) |
| Mean Object Date/Time | 2025-04-11 20:40:25UTC |
| Radiative Center (Lat, Lon): | 63.974724°, -150.214722° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 262.89 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 291.69 K |
| Observed - Background BT (3.9 um) | 23.90 K |
| BT Anomaly (3.9 um) | 13.85 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 28.90 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 35.75 K |
| Observed - Background BTD (3.9-10/11/12 um) | 24.25 K |
| BTD Anomaly (3.9-10/11/12 um) | 11.57 K |
| Similar Pixel Count | 0 |
| BT Time Tendency (3.9 um) | 0.80 K |
| Image Interval | 10.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.47 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.71 |
| Maximum Radiative Power | 139.81 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 73.70° |
| Mean Solar Zenith Angle | 57.90° |
| Mean Glint Angle | 130.80° |
| Water Fraction | 0.00 |
| Total Pixel Area | 28.50 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | AK |
| Country/Countries | United States |
| County/Locality(s) | Lake and Peninsula Borough, AK |
| NWS WFO | Unknown |
| Identification Method | Enhanced Contextual (Cloud) |
| Mean Object Date/Time | 2025-04-11 20:40:39UTC |
| Radiative Center (Lat, Lon): | 56.926109°, -157.183884° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 46.91 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 288.23 K |
| Observed - Background BT (3.9 um) | 13.73 K |
| BT Anomaly (3.9 um) | 7.92 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 20.24 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 20.80 K |
| Observed - Background BTD (3.9-10/11/12 um) | 13.02 K |
| BTD Anomaly (3.9-10/11/12 um) | 8.29 K |
| Similar Pixel Count | 0 |
| BT Time Tendency (3.9 um) | 2.40 K |
| Image Interval | 10.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.76 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.46 |
| Maximum Radiative Power | 46.91 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 67.70° |
| Mean Solar Zenith Angle | 53.40° |
| Mean Glint Angle | 120.20° |
| Water Fraction | 0.00 |
| Total Pixel Area | 10.50 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |



