Jan 2026: Due to an ongoing data center cooling system construction project, NGFS data outages may occur with little or no notice.
Wildfire Alert Report
| Date: | 2025-08-21 |
|---|---|
| Time: | 20:01:17 |
| Production Date and Time: | 2025-08-21 20:06:33 UTC |
| Primary Instrument: | GOES-19 ABI |
| Wmo Spacecraft Id: | 666 |
| Location/orbit: | GEO |
| L1 File: | OR_ABI-L1b-RadC-M6C14_G19_s20252332001172_e20252332003546_c20252332004031.nc |
| L1 File(s) - Temporal | OR_ABI-L1b-RadC-M6C14_G19_s20252331956172_e20252331958546_c20252331958598.nc |
| Number Of Thermal Anomaly Alerts: | 5 |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | SD |
| Country/Countries | United States |
| County/Locality(s) | Hand County, SD |
| NWS WFO | Aberdeen SD |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-08-21 20:01:20UTC |
| Radiative Center (Lat, Lon): | 44.520557°, -98.983055° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 15.82 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 310.92 K |
| Observed - Background BT (3.9 um) | 2.54 K |
| BT Anomaly (3.9 um) | 1.75 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 4.45 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 17.43 K |
| Observed - Background BTD (3.9-10/11/12 um) | 3.33 K |
| BTD Anomaly (3.9-10/11/12 um) | 2.80 K |
| Similar Pixel Count | 25 |
| BT Time Tendency (3.9 um) | 0.90 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.52 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.96 |
| Maximum Radiative Power | 15.82 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 56.80° |
| Mean Solar Zenith Angle | 36.50° |
| Mean Glint Angle | 75.60° |
| Water Fraction | 0.00 |
| Total Pixel Area | 7.30 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | SD |
| Country/Countries | United States |
| County/Locality(s) | Hand County, SD |
| NWS WFO | Aberdeen SD |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-08-21 20:01:20UTC |
| Radiative Center (Lat, Lon): | 44.515835°, -98.889999° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 18.87 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 312.26 K |
| Observed - Background BT (3.9 um) | 4.17 K |
| BT Anomaly (3.9 um) | 3.66 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 5.98 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 17.18 K |
| Observed - Background BTD (3.9-10/11/12 um) | 3.69 K |
| BTD Anomaly (3.9-10/11/12 um) | 3.36 K |
| Similar Pixel Count | 25 |
| BT Time Tendency (3.9 um) | 0.90 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.87 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.94 |
| Maximum Radiative Power | 18.87 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 56.80° |
| Mean Solar Zenith Angle | 36.50° |
| Mean Glint Angle | 75.60° |
| Water Fraction | 0.00 |
| Total Pixel Area | 7.30 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | OK |
| Country/Countries | United States |
| County/Locality(s) | Noble County, OK |
| NWS WFO | Norman OK |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-08-21 20:01:50UTC |
| Radiative Center (Lat, Lon): | 36.545834°, -97.324722° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 21.17 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 316.78 K |
| Observed - Background BT (3.9 um) | 4.50 K |
| BT Anomaly (3.9 um) | 3.58 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 11.67 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 17.67 K |
| Observed - Background BTD (3.9-10/11/12 um) | 3.63 K |
| BTD Anomaly (3.9-10/11/12 um) | 3.40 K |
| Similar Pixel Count | 25 |
| BT Time Tendency (3.9 um) | 0.70 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.93 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.84 |
| Maximum Radiative Power | 21.17 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 48.60° |
| Mean Solar Zenith Angle | 31.20° |
| Mean Glint Angle | 60.20° |
| Water Fraction | 0.00 |
| Total Pixel Area | 6.10 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | AZ |
| Country/Countries | United States |
| County/Locality(s) | Greenlee County, AZ |
| NWS WFO | Tucson AZ |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-08-21 20:02:19UTC |
| Radiative Center (Lat, Lon): | 33.627777°, -109.201668° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 14.78 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 316.06 K |
| Observed - Background BT (3.9 um) | 2.38 K |
| BT Anomaly (3.9 um) | 1.00 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 15.83 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 17.77 K |
| Observed - Background BTD (3.9-10/11/12 um) | 1.82 K |
| BTD Anomaly (3.9-10/11/12 um) | 1.24 K |
| Similar Pixel Count | 25 |
| BT Time Tendency (3.9 um) | 0.70 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 | 1.00 |
| Maximum Radiative Power | 14.78 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 53.60° |
| Mean Solar Zenith Angle | 23.10° |
| Mean Glint Angle | 61.60° |
| Water Fraction | 0.00 |
| Total Pixel Area | 6.70 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | Tamaulipas |
| Country/Countries | Mexico |
| County/Locality(s) | Ocampo, Tamaulipas |
| NWS WFO | N/A |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-08-21 20:03:19UTC |
| Radiative Center (Lat, Lon): | 22.620001°, -99.284447° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 9.05 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 308.91 K |
| Observed - Background BT (3.9 um) | 3.02 K |
| BT Anomaly (3.9 um) | 1.26 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 6.55 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 19.72 K |
| Observed - Background BTD (3.9-10/11/12 um) | 3.15 K |
| BTD Anomaly (3.9-10/11/12 um) | 1.59 K |
| Similar Pixel Count | 25 |
| BT Time Tendency (3.9 um) | 4.60 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.54 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.75 |
| Maximum Radiative Power | 9.05 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 38.10° |
| Mean Solar Zenith Angle | 21.70° |
| Mean Glint Angle | 34.10° |
| Water Fraction | 0.00 |
| Total Pixel Area | 5.10 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |







