Jan 2026: Due to an ongoing data center cooling system construction project, NGFS data outages may occur with little or no notice. Bitterly cold air in Madison Jan 22-24 increases risk of outages.
Wildfire Alert Report
| Date: | 2025-12-04 |
|---|---|
| Time: | 16:41:18 |
| Production Date and Time: | 2025-12-04 16:46:22 UTC |
| Primary Instrument: | GOES-19 ABI |
| Wmo Spacecraft Id: | 666 |
| Location/orbit: | GEO |
| L1 File: | OR_ABI-L1b-RadC-M6C14_G19_s20253381641180_e20253381643553_c20253381644043.nc |
| L1 File(s) - Temporal | OR_ABI-L1b-RadC-M6C14_G19_s20253381636180_e20253381638553_c20253381639042.nc |
| Number Of Thermal Anomaly Alerts: | 3 |
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Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | Ontario |
| Country/Countries | Canada |
| County/Locality(s) | Thunder Bay, Ontario |
| NWS WFO | N/A |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-12-04 16:41:22UTC |
| Radiative Center (Lat, Lon): | 49.384724°, -90.419441° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 36.61 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 272.06 K |
| Observed - Background BT (3.9 um) | 17.45 K |
| BT Anomaly (3.9 um) | 12.03 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 16.15 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 22.42 K |
| Observed - Background BTD (3.9-10/11/12 um) | 16.23 K |
| BTD Anomaly (3.9-10/11/12 um) | 14.59 K |
| Similar Pixel Count | 2 |
| BT Time Tendency (3.9 um) | 6.50 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.94 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.94 |
| Maximum Radiative Power | 36.61 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 58.80° |
| Mean Solar Zenith Angle | 73.00° |
| Mean Glint Angle | 131.80° |
| Water Fraction | 0.00 |
| Total Pixel Area | 15.50 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | MN |
| Country/Countries | United States |
| County/Locality(s) | Scott County, MN |
| NWS WFO | Twin Cities/Chanhassen MN |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-12-04 16:41:22UTC |
| Radiative Center (Lat, Lon): | 44.569168°, -93.588890° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 20.06 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 271.33 K |
| Observed - Background BT (3.9 um) | 11.28 K |
| BT Anomaly (3.9 um) | 7.65 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 17.74 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 17.39 K |
| Observed - Background BTD (3.9-10/11/12 um) | 11.14 K |
| BTD Anomaly (3.9-10/11/12 um) | 9.52 K |
| Similar Pixel Count | 2 |
| BT Time Tendency (3.9 um) | 3.00 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.57 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.94 |
| Maximum Radiative Power | 20.06 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 54.80° |
| Mean Solar Zenith Angle | 69.20° |
| Mean Glint Angle | 123.80° |
| Water Fraction | 0.00 |
| Total Pixel Area | 13.90 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | NE |
| Country/Countries | United States |
| County/Locality(s) | Jefferson County, NE |
| NWS WFO | Omaha/Valley NE |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-12-04 16:41:51UTC |
| Radiative Center (Lat, Lon): | 40.049721°, -97.138885° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 15.93 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 280.39 K |
| Observed - Background BT (3.9 um) | 8.84 K |
| BT Anomaly (3.9 um) | 6.22 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 14.39 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 14.23 K |
| Observed - Background BTD (3.9-10/11/12 um) | 8.38 K |
| BTD Anomaly (3.9-10/11/12 um) | 10.82 K |
| Similar Pixel Count | 2 |
| BT Time Tendency (3.9 um) | 2.00 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 | 0.99 |
| Maximum Radiative Power | 15.93 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 51.80° |
| Mean Solar Zenith Angle | 66.00° |
| Mean Glint Angle | 117.50° |
| Water Fraction | 0.00 |
| Total Pixel Area | 12.90 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
