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Wildfire Notification Report
| Date: | 2026-04-20 |
|---|---|
| Time: | 19:51:16 |
| Production Date and Time: | 2026-04-20 19:56:10 UTC |
| Primary Instrument: | GOES-18 ABI |
| Wmo Spacecraft Id: | 665 |
| Location/orbit: | GEO |
| L1 File: | OR_ABI-L1b-RadC-M6C14_G18_s20261101951169_e20261101953542_c20261101954028.nc |
| L1 File(s) - Temporal | OR_ABI-L1b-RadC-M6C14_G18_s20261101946169_e20261101948542_c20261101949052.nc |
| Number Of Thermal Anomaly Notifications: | 3 |
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Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | MT |
| Country/Countries | United States |
| County/Locality(s) | Teton County, MT |
| NWS WFO | Great Falls MT |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2026-04-20 19:51:22UTC |
| Radiative Center (Lat, Lon): | 47.616390°, -111.881111° |
| Nearby Counties (meeting notification criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 24.68 MW |
| Map: | |
| Additional Information | |
| Notification Status | New Feature |
| Type of Event | Nominal Fire Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 311.43 K |
| Observed - Background BT (3.9 um) | 3.53 K |
| BT Anomaly (3.9 um) | 3.44 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 17.49 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 19.28 K |
| Observed - Background BTD (3.9-10/11/12 um) | 2.93 K |
| BTD Anomaly (3.9-10/11/12 um) | 3.03 K |
| Similar Pixel Count | 25 |
| BT Time Tendency (3.9 um) | 2.60 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.80 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 1.00 |
| Maximum Radiative Power | 24.68 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 60.30° |
| Mean Solar Zenith Angle | 36.80° |
| Mean Glint Angle | 94.90° |
| Water Fraction | 0.00 |
| Total Pixel Area | 8.10 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | ND |
| Country/Countries | United States |
| County/Locality(s) | Wells County, ND |
| NWS WFO | Bismarck ND |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2026-04-20 19:51:23UTC |
| Radiative Center (Lat, Lon): | 47.669724°, -99.311386° |
| Nearby Counties (meeting notification criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 22.23 MW |
| Map: | |
| Additional Information | |
| Notification Status | New Feature |
| Type of Event | Nominal Fire Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 300.38 K |
| Observed - Background BT (3.9 um) | 2.68 K |
| BT Anomaly (3.9 um) | 2.54 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 12.49 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 14.09 K |
| Observed - Background BTD (3.9-10/11/12 um) | 3.13 K |
| BTD Anomaly (3.9-10/11/12 um) | 4.85 K |
| Similar Pixel Count | 24 |
| BT Time Tendency (3.9 um) | 4.00 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 | 22.23 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 66.20° |
| Mean Solar Zenith Angle | 39.70° |
| Mean Glint Angle | 104.50° |
| Water Fraction | 0.00 |
| Total Pixel Area | 9.90 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | WY |
| Country/Countries | United States |
| County/Locality(s) | Big Horn County, WY |
| NWS WFO | Riverton WY |
| Identification Method | Enhanced Contextual (Cloud) |
| Mean Object Date/Time | 2026-04-20 19:51:23UTC |
| Radiative Center (Lat, Lon): | 44.171112°, -107.946388° |
| Nearby Counties (meeting notification criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 64.86 MW |
| Map: | |
| Additional Information | |
| Notification Status | New Feature |
| Type of Event | Nominal Fire Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 325.03 K |
| Observed - Background BT (3.9 um) | 7.28 K |
| BT Anomaly (3.9 um) | 5.87 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 23.90 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 18.17 K |
| Observed - Background BTD (3.9-10/11/12 um) | 7.89 K |
| BTD Anomaly (3.9-10/11/12 um) | 10.79 K |
| Similar Pixel Count | 0 |
| BT Time Tendency (3.9 um) | 7.20 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.27 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 1.00 |
| Maximum Radiative Power | 64.86 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 58.90° |
| Mean Solar Zenith Angle | 34.10° |
| Mean Glint Angle | 91.30° |
| Water Fraction | 0.00 |
| Total Pixel Area | 7.80 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |