June 2026: The UW campus has experienced a significant chilled water disruption. This will limit SSEC datacenter cooling and data outages may occur without warning. Please consider accessing NGFS detections and satellite imagery through the NOAA/NESDIS Wildland Fire Data Portal: https://fire.data.nesdis.noaa.gov/map/
Wildfire Notification Report
| Date: | 2026-06-20 |
|---|---|
| Time: | 01:50:23 |
| Production Date and Time: | 2026-06-20 02:01:29 UTC |
| Primary Instrument: | GOES-18 ABI |
| Wmo Spacecraft Id: | 665 |
| Location/orbit: | GEO |
| L1 File: | OR_ABI-L1b-RadF-M6C14_G18_s20261710150236_e20261710159544_c20261710200004.nc |
| L1 File(s) - Temporal | OR_ABI-L1b-RadF-M6C14_G18_s20261710140236_e20261710149544_c20261710150001.nc |
| Number Of Thermal Anomaly Notifications: | 2 |
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Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | AK |
| Country/Countries | United States |
| County/Locality(s) | Yukon-Koyukuk Census Area, AK |
| NWS WFO | Fairbanks AK |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2026-06-20 01:50:26UTC |
| Radiative Center (Lat, Lon): | 65.431946°, -150.817215° |
| Nearby Counties (meeting notification criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 53.03 MW |
| Map: | |
| Additional Information | |
| Notification Status | New Feature |
| Type of Event | Nominal Fire Risk, Known Incident: Canyon (HIGH, tdiff=0.29191 days, Point) |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 295.35 K |
| Observed - Background BT (3.9 um) | 5.05 K |
| BT Anomaly (3.9 um) | 4.72 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 6.13 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 15.22 K |
| Observed - Background BTD (3.9-10/11/12 um) | 4.46 K |
| BTD Anomaly (3.9-10/11/12 um) | 3.32 K |
| Similar Pixel Count | 17 |
| BT Time Tendency (3.9 um) | 2.70 K |
| Image Interval | 10.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.90 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.95 |
| Maximum Radiative Power | 53.03 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 75.30° |
| Mean Solar Zenith Angle | 55.10° |
| Mean Glint Angle | 86.30° |
| Water Fraction | 0.00 |
| Total Pixel Area | 15.70 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | AK |
| Country/Countries | United States |
| County/Locality(s) | Denali Borough, AK |
| NWS WFO | Fairbanks AK |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2026-06-20 01:50:26UTC |
| Radiative Center (Lat, Lon): | 63.643055°, -151.208328° |
| Nearby Counties (meeting notification criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 90.75 MW |
| Map: | |
| Additional Information | |
| Notification Status | New Feature |
| Type of Event | Nominal Fire Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 300.99 K |
| Observed - Background BT (3.9 um) | 9.88 K |
| BT Anomaly (3.9 um) | 8.71 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 12.75 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 21.67 K |
| Observed - Background BTD (3.9-10/11/12 um) | 9.88 K |
| BTD Anomaly (3.9-10/11/12 um) | 6.70 K |
| Similar Pixel Count | 11 |
| BT Time Tendency (3.9 um) | 2.00 K |
| Image Interval | 10.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.90 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.77 |
| Maximum Radiative Power | 90.75 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 73.40° |
| Mean Solar Zenith Angle | 54.30° |
| Mean Glint Angle | 83.90° |
| Water Fraction | 0.00 |
| Total Pixel Area | 14.00 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |