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Wildfire Notification Report
| Date: | 2026-04-20 |
|---|---|
| Time: | 16:46:16 |
| Production Date and Time: | 2026-04-20 16:51:03 UTC |
| Primary Instrument: | GOES-18 ABI |
| Wmo Spacecraft Id: | 665 |
| Location/orbit: | GEO |
| L1 File: | OR_ABI-L1b-RadC-M6C14_G18_s20261101646169_e20261101648542_c20261101649043.nc |
| L1 File(s) - Temporal | OR_ABI-L1b-RadC-M6C14_G18_s20261101641169_e20261101643542_c20261101644039.nc |
| Number Of Thermal Anomaly Notifications: | 2 |
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Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | MT |
| Country/Countries | United States |
| County/Locality(s) | Cascade County, MT |
| NWS WFO | Great Falls MT |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2026-04-20 16:46:22UTC |
| Radiative Center (Lat, Lon): | 47.521946°, -111.838058° |
| Nearby Counties (meeting notification criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 20.78 MW |
| Map: | |
| Additional Information | |
| Notification Status | New Feature |
| Type of Event | Nominal Fire Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 304.15 K |
| Observed - Background BT (3.9 um) | 3.53 K |
| BT Anomaly (3.9 um) | 4.70 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 11.97 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 15.61 K |
| Observed - Background BTD (3.9-10/11/12 um) | 3.58 K |
| BTD Anomaly (3.9-10/11/12 um) | 2.30 K |
| Similar Pixel Count | 15 |
| BT Time Tendency (3.9 um) | 3.70 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.32 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 1.00 |
| Maximum Radiative Power | 20.78 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 60.20° |
| Mean Solar Zenith Angle | 49.40° |
| Mean Glint Angle | 72.10° |
| Water Fraction | 0.00 |
| Total Pixel Area | 8.00 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | CA |
| Country/Countries | United States |
| County/Locality(s) | Modoc County, CA |
| NWS WFO | Medford OR |
| Identification Method | Enhanced Contextual (Cloud) |
| Mean Object Date/Time | 2026-04-20 16:46:52UTC |
| Radiative Center (Lat, Lon): | 41.909168°, -121.398331° |
| Nearby Counties (meeting notification criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 154.62 MW |
| Map: | |
| Additional Information | |
| Notification Status | New Feature |
| Type of Event | Nominal Fire Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 312.65 K |
| Observed - Background BT (3.9 um) | 20.38 K |
| BT Anomaly (3.9 um) | 12.09 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 26.56 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 26.68 K |
| Observed - Background BTD (3.9-10/11/12 um) | 19.82 K |
| BTD Anomaly (3.9-10/11/12 um) | 17.83 K |
| Similar Pixel Count | 0 |
| BT Time Tendency (3.9 um) | 18.60 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.86 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.98 |
| Maximum Radiative Power | 102.51 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 51.20° |
| Mean Solar Zenith Angle | 52.90° |
| Mean Glint Angle | 66.40° |
| Water Fraction | 0.00 |
| Total Pixel Area | 19.20 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |