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: | 2025-04-11 |
|---|---|
| Time: | 21:33:25 |
| Production Date and Time: | 2025-04-11 21:34:23 UTC |
| Primary Instrument: | GOES-19 ABI |
| Wmo Spacecraft Id: | 666 |
| Location/orbit: | GEO |
| L1 File: | OR_ABI-L1b-RadM1-M6C14_G19_s20251012133256_e20251012133314_c20251012133356.nc |
| L1 File(s) - Temporal | OR_ABI-L1b-RadM1-M6C14_G19_s20251012131256_e20251012131314_c20251012131369.nc |
| Number Of Thermal Anomaly Alerts: | 3 |
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Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | SD |
| Country/Countries | United States |
| County/Locality(s) | Kingsbury County, SD |
| NWS WFO | Sioux Falls SD |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-04-11 21:33:28UTC |
| Radiative Center (Lat, Lon): | 44.367779°, -97.206108° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 12.62 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 302.61 K |
| Observed - Background BT (3.9 um) | 3.53 K |
| BT Anomaly (3.9 um) | 2.24 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 16.02 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 11.38 K |
| Observed - Background BTD (3.9-10/11/12 um) | 3.46 K |
| BTD Anomaly (3.9-10/11/12 um) | 4.91 K |
| Similar Pixel Count | 23 |
| BT Time Tendency (3.9 um) | 0.10 K |
| Image Interval | 2.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.60 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 1.00 |
| Maximum Radiative Power | 12.62 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 56.00° |
| Mean Solar Zenith Angle | 53.90° |
| Mean Glint Angle | 69.50° |
| Water Fraction | 0.00 |
| Total Pixel Area | 7.10 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | IA |
| Country/Countries | United States |
| County/Locality(s) | Union County, IA |
| NWS WFO | Des Moines IA |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-04-11 21:33:31UTC |
| Radiative Center (Lat, Lon): | 41.062778°, -94.243057° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 17.20 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 300.27 K |
| Observed - Background BT (3.9 um) | 4.80 K |
| BT Anomaly (3.9 um) | 4.04 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 19.12 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 13.97 K |
| Observed - Background BTD (3.9-10/11/12 um) | 5.23 K |
| BTD Anomaly (3.9-10/11/12 um) | 4.52 K |
| Similar Pixel Count | 3 |
| BT Time Tendency (3.9 um) | 3.70 K |
| Image Interval | 2.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.31 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.94 |
| Maximum Radiative Power | 17.20 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 51.60° |
| Mean Solar Zenith Angle | 54.40° |
| Mean Glint Angle | 65.80° |
| Water Fraction | 0.00 |
| Total Pixel Area | 6.40 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | CO |
| Country/Countries | United States |
| County/Locality(s) | Routt County, CO |
| NWS WFO | Grand Junction CO |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-04-11 21:33:29UTC |
| Radiative Center (Lat, Lon): | 40.384998°, -106.799164° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 11.09 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 302.20 K |
| Observed - Background BT (3.9 um) | 2.62 K |
| BT Anomaly (3.9 um) | 1.46 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 13.80 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 9.63 K |
| Observed - Background BTD (3.9-10/11/12 um) | 2.98 K |
| BTD Anomaly (3.9-10/11/12 um) | 5.90 K |
| Similar Pixel Count | 12 |
| BT Time Tendency (3.9 um) | 1.00 K |
| Image Interval | 2.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.68 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.80 |
| Maximum Radiative Power | 11.09 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 57.20° |
| Mean Solar Zenith Angle | 45.70° |
| Mean Glint Angle | 62.20° |
| Water Fraction | 0.00 |
| Total Pixel Area | 7.40 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
