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Wildfire Notification Report
| Date: | 2026-04-21 |
|---|---|
| Time: | 20:26:17 |
| Production Date and Time: | 2026-04-21 20:31:09 UTC |
| Primary Instrument: | GOES-18 ABI |
| Wmo Spacecraft Id: | 665 |
| Location/orbit: | GEO |
| L1 File: | OR_ABI-L1b-RadC-M6C14_G18_s20261112026171_e20261112028544_c20261112029051.nc |
| L1 File(s) - Temporal | OR_ABI-L1b-RadC-M6C14_G18_s20261112021171_e20261112023544_c20261112024036.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) | Wheatland County, MT |
| NWS WFO | Billings MT |
| Identification Method | Enhanced Contextual (Cloud) |
| Mean Object Date/Time | 2026-04-21 20:26:24UTC |
| Radiative Center (Lat, Lon): | 46.326111°, -110.090553° |
| Nearby Counties (meeting notification criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 209.85 MW |
| Map: | |
| Additional Information | |
| Notification Status | New Feature |
| Type of Event | Nominal Fire Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 326.41 K |
| Observed - Background BT (3.9 um) | 15.43 K |
| BT Anomaly (3.9 um) | 7.17 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 32.10 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 27.45 K |
| Observed - Background BTD (3.9-10/11/12 um) | 15.72 K |
| BTD Anomaly (3.9-10/11/12 um) | 12.64 K |
| Similar Pixel Count | 0 |
| BT Time Tendency (3.9 um) | 14.90 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.81 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.99 |
| Maximum Radiative Power | 128.86 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 59.80° |
| Mean Solar Zenith Angle | 37.60° |
| Mean Glint Angle | 97.20° |
| Water Fraction | 0.00 |
| Total Pixel Area | 15.90 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | ID |
| Country/Countries | United States |
| County/Locality(s) | Lemhi County, ID |
| NWS WFO | Missoula MT |
| Identification Method | Enhanced Contextual (Cloud) |
| Mean Object Date/Time | 2026-04-21 20:26:23UTC |
| Radiative Center (Lat, Lon): | 45.535278°, -113.974998° |
| Nearby Counties (meeting notification criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 105.12 MW |
| Map: | |
| Additional Information | |
| Notification Status | New Feature |
| Type of Event | Nominal Fire Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 320.59 K |
| Observed - Background BT (3.9 um) | 19.96 K |
| BT Anomaly (3.9 um) | 5.81 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 29.27 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 30.68 K |
| Observed - Background BTD (3.9-10/11/12 um) | 19.43 K |
| BTD Anomaly (3.9-10/11/12 um) | 6.56 K |
| Similar Pixel Count | 0 |
| BT Time Tendency (3.9 um) | 9.60 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.78 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 1.00 |
| Maximum Radiative Power | 105.12 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 57.50° |
| Mean Solar Zenith Angle | 35.80° |
| Mean Glint Angle | 92.90° |
| Water Fraction | 0.00 |
| Total Pixel Area | 7.40 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |