Jan 2026: Due to an ongoing data center cooling system construction project, NGFS data outages may occur with little or no notice.
Wildfire Alert Report
| Date: | 2024-04-23 |
|---|---|
| Time: | 20:01:17 |
| Production Date and Time: | 2024-04-23 20:05:57 UTC |
| Primary Instrument: | GOES-18 ABI |
| Wmo Spacecraft Id: | 665 |
| Location/orbit: | GEO |
| L1 File: | OR_ABI-L1b-RadC-M6C14_G18_s20241142001179_e20241142003552_c20241142004031.nc |
| L1 File(s) - Temporal | OR_ABI-L1b-RadC-M6C14_G18_s20241141956179_e20241141958552_c20241141959037.nc |
| Number Of Thermal Anomaly Alerts: | 3 |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | Unknown |
| Country/Countries | Canada |
| County/Locality(s) | Canada |
| NWS WFO | N/A |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2024-04-23 20:01:24UTC |
| Radiative Center (Lat, Lon): | 50.100000°, -98.320000° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 47.33 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 303.83 K |
| Observed - Background BT (3.9 um) | 6.57 K |
| BT Anomaly (3.9 um) | 3.99 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 25.68 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 17.10 K |
| Observed - Background BTD (3.9-10/11/12 um) | 6.63 K |
| BTD Anomaly (3.9-10/11/12 um) | 8.26 K |
| Similar Pixel Count | 3 |
| BT Time Tendency (3.9 um) | 5.20 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.69 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 1.00 |
| Maximum Radiative Power | 47.33 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 68.50° |
| Mean Solar Zenith Angle | 41.80° |
| Mean Glint Angle | 109.50° |
| Water Fraction | 0.00 |
| Total Pixel Area | 17.70 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | ID |
| Country/Countries | USA |
| County/Locality(s) | Valley County, ID |
| NWS WFO | Boise ID |
| Identification Method | Enhanced Contextual (Cloud) |
| Mean Object Date/Time | 2024-04-23 20:01:23UTC |
| Radiative Center (Lat, Lon): | 44.860000°, -115.760000° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 28.44 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 295.59 K |
| Observed - Background BT (3.9 um) | 12.00 K |
| BT Anomaly (3.9 um) | 4.06 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 14.88 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 22.94 K |
| Observed - Background BTD (3.9-10/11/12 um) | 12.58 K |
| BTD Anomaly (3.9-10/11/12 um) | 4.84 K |
| Similar Pixel Count | 0 |
| BT Time Tendency (3.9 um) | 4.00 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.55 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.66 |
| Maximum Radiative Power | 28.44 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 56.20° |
| Mean Solar Zenith Angle | 32.60° |
| Mean Glint Angle | 87.30° |
| Water Fraction | 0.00 |
| Total Pixel Area | 8.80 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | MT |
| Country/Countries | USA |
| County/Locality(s) | Madison County, MT |
| NWS WFO | Great Falls MT |
| Identification Method | Enhanced Contextual (Cloud) |
| Mean Object Date/Time | 2024-04-23 20:01:24UTC |
| Radiative Center (Lat, Lon): | 44.710000°, -111.520000° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 236.64 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk, Known Incident: ANTELOPE BASIN RX (MEDIUM, tdiff=0.27887 days, POINT) |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 314.80 K |
| Observed - Background BT (3.9 um) | 21.77 K |
| BT Anomaly (3.9 um) | 11.69 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 32.63 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 33.01 K |
| Observed - Background BTD (3.9-10/11/12 um) | 18.46 K |
| BTD Anomaly (3.9-10/11/12 um) | 10.06 K |
| Similar Pixel Count | 0 |
| BT Time Tendency (3.9 um) | 19.20 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 1.00 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 1.00 |
| Maximum Radiative Power | 134.87 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 57.70° |
| Mean Solar Zenith Angle | 33.10° |
| Mean Glint Angle | 89.70° |
| Water Fraction | 0.00 |
| Total Pixel Area | 28.50 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |





