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: | 2025-04-20 |
|---|---|
| Time: | 18:01:17 |
| Production Date and Time: | 2025-04-20 18:06:15 UTC |
| Primary Instrument: | GOES-19 ABI |
| Wmo Spacecraft Id: | 666 |
| Location/orbit: | GEO |
| L1 File: | OR_ABI-L1b-RadC-M6C14_G19_s20251101801175_e20251101803548_c20251101804050.nc |
| L1 File(s) - Temporal | OR_ABI-L1b-RadC-M6C14_G19_s20251101756175_e20251101758548_c20251101759036.nc |
| Number Of Thermal Anomaly Alerts: | 5 |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | Manitoba |
| Country/Countries | Canada |
| County/Locality(s) | Division No. 8, Manitoba |
| NWS WFO | N/A |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-04-20 18:01:20UTC |
| Radiative Center (Lat, Lon): | 49.751667°, -98.562775° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 27.50 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 305.98 K |
| Observed - Background BT (3.9 um) | 5.10 K |
| BT Anomaly (3.9 um) | 4.82 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 16.07 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 14.87 K |
| Observed - Background BTD (3.9-10/11/12 um) | 4.77 K |
| BTD Anomaly (3.9-10/11/12 um) | 12.12 K |
| Similar Pixel Count | 18 |
| BT Time Tendency (3.9 um) | 3.10 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.65 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 1.00 |
| Maximum Radiative Power | 27.50 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 61.60° |
| Mean Solar Zenith Angle | 39.10° |
| Mean Glint Angle | 99.30° |
| Water Fraction | 0.00 |
| Total Pixel Area | 8.40 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | SD |
| Country/Countries | United States |
| County/Locality(s) | Bennett County, SD |
| NWS WFO | Rapid City SD |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-04-20 18:01:50UTC |
| Radiative Center (Lat, Lon): | 43.156113°, -101.449448° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 43.19 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 312.13 K |
| Observed - Background BT (3.9 um) | 7.88 K |
| BT Anomaly (3.9 um) | 8.01 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 20.20 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 21.67 K |
| Observed - Background BTD (3.9-10/11/12 um) | 7.54 K |
| BTD Anomaly (3.9-10/11/12 um) | 5.74 K |
| Similar Pixel Count | 18 |
| BT Time Tendency (3.9 um) | 7.50 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.89 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.80 |
| Maximum Radiative Power | 43.19 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 56.70° |
| Mean Solar Zenith Angle | 33.30° |
| Mean Glint Angle | 89.00° |
| Water Fraction | 0.00 |
| Total Pixel Area | 7.30 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | Unknown |
| Country/Countries | Haiti |
| County/Locality(s) | Unknown, Unknown |
| NWS WFO | N/A |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-04-20 18:03:53UTC |
| Radiative Center (Lat, Lon): | 19.257223°, -71.767776° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 13.73 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 314.59 K |
| Observed - Background BT (3.9 um) | 2.54 K |
| BT Anomaly (3.9 um) | 1.08 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 16.66 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 14.42 K |
| Observed - Background BTD (3.9-10/11/12 um) | 2.98 K |
| BTD Anomaly (3.9-10/11/12 um) | 2.00 K |
| Similar Pixel Count | 24 |
| BT Time Tendency (3.9 um) | 1.40 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.59 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.94 |
| Maximum Radiative Power | 13.73 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 23.00° |
| Mean Solar Zenith Angle | 19.90° |
| Mean Glint Angle | 37.20° |
| Water Fraction | 0.00 |
| Total Pixel Area | 4.30 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | Unknown |
| Country/Countries | Dominican Republic |
| County/Locality(s) | Unknown, Unknown |
| NWS WFO | N/A |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-04-20 18:03:53UTC |
| Radiative Center (Lat, Lon): | 18.433611°, -70.458885° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 21.01 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 316.13 K |
| Observed - Background BT (3.9 um) | 5.90 K |
| BT Anomaly (3.9 um) | 2.10 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 15.05 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 17.14 K |
| Observed - Background BTD (3.9-10/11/12 um) | 5.53 K |
| BTD Anomaly (3.9-10/11/12 um) | 3.12 K |
| Similar Pixel Count | 10 |
| BT Time Tendency (3.9 um) | 2.00 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.66 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 1.00 |
| Maximum Radiative Power | 21.01 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 22.40° |
| Mean Solar Zenith Angle | 20.80° |
| Mean Glint Angle | 37.60° |
| Water Fraction | 0.00 |
| Total Pixel Area | 4.30 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | Unknown |
| Country/Countries | Dominican Republic |
| County/Locality(s) | Unknown, Unknown |
| NWS WFO | N/A |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-04-20 18:03:53UTC |
| Radiative Center (Lat, Lon): | 17.900833°, -71.261391° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 21.23 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 313.18 K |
| Observed - Background BT (3.9 um) | 6.84 K |
| BT Anomaly (3.9 um) | 1.83 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 16.30 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 15.17 K |
| Observed - Background BTD (3.9-10/11/12 um) | 6.44 K |
| BTD Anomaly (3.9-10/11/12 um) | 2.41 K |
| Similar Pixel Count | 11 |
| BT Time Tendency (3.9 um) | 0.30 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.70 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 1.00 |
| Maximum Radiative Power | 21.23 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 21.60° |
| Mean Solar Zenith Angle | 19.90° |
| Mean Glint Angle | 35.60° |
| Water Fraction | 0.00 |
| Total Pixel Area | 4.30 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |





