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: | 2024-08-21 |
|---|---|
| Time: | 18:41:17 |
| Production Date and Time: | 2024-08-21 18:46:04 UTC |
| Primary Instrument: | GOES-16 ABI |
| Wmo Spacecraft Id: | 152 |
| Location/orbit: | GEO |
| L1 File: | OR_ABI-L1b-RadC-M6C14_G16_s20242341841170_e20242341843543_c20242341844028.nc |
| L1 File(s) - Temporal | OR_ABI-L1b-RadC-M6C14_G16_s20242341836170_e20242341838543_c20242341839021.nc |
| Number Of Thermal Anomaly Alerts: | 3 |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | MT |
| Country/Countries | USA |
| County/Locality(s) | Rosebud County, MT |
| NWS WFO | Billings MT |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2024-08-21 18:41:19UTC |
| Radiative Center (Lat, Lon): | 45.350000°, -106.680000° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 22.91 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 319.83 K |
| Observed - Background BT (3.9 um) | 2.21 K |
| BT Anomaly (3.9 um) | 0.93 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 10.09 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 16.24 K |
| Observed - Background BTD (3.9-10/11/12 um) | 2.21 K |
| BTD Anomaly (3.9-10/11/12 um) | 2.07 K |
| Similar Pixel Count | 25 |
| BT Time Tendency (3.9 um) | 1.20 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.64 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.95 |
| Maximum Radiative Power | 22.91 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 61.10° |
| Mean Solar Zenith Angle | 33.70° |
| Mean Glint Angle | 91.50° |
| Water Fraction | 0.00 |
| Total Pixel Area | 11.40 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | AR |
| Country/Countries | USA |
| County/Locality(s) | Arkansas County, AR |
| NWS WFO | Little Rock AR |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2024-08-21 18:42:21UTC |
| Radiative Center (Lat, Lon): | 34.150000°, -91.400000° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 28.79 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 309.51 K |
| Observed - Background BT (3.9 um) | 5.41 K |
| BT Anomaly (3.9 um) | 3.45 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 6.05 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 15.45 K |
| Observed - Background BTD (3.9-10/11/12 um) | 5.41 K |
| BTD Anomaly (3.9-10/11/12 um) | 5.82 K |
| Similar Pixel Count | 9 |
| BT Time Tendency (3.9 um) | 2.80 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 | 1.00 |
| Maximum Radiative Power | 28.79 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 43.50° |
| Mean Solar Zenith Angle | 23.10° |
| Mean Glint Angle | 60.90° |
| Water Fraction | 0.00 |
| Total Pixel Area | 12.30 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | SC |
| Country/Countries | USA |
| County/Locality(s) | Horry County, SC |
| NWS WFO | Wilmington NC |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2024-08-21 18:42:22UTC |
| Radiative Center (Lat, Lon): | 33.780000°, -79.000000° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 20.39 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Likely an Urban Source |
| Event Priority Ranking | 5 |
| Maximum Observed BT (3.9 um) | 308.06 K |
| Observed - Background BT (3.9 um) | 5.68 K |
| BT Anomaly (3.9 um) | 6.86 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 11.67 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 17.43 K |
| Observed - Background BTD (3.9-10/11/12 um) | 5.12 K |
| BTD Anomaly (3.9-10/11/12 um) | 5.12 K |
| Similar Pixel Count | 22 |
| BT Time Tendency (3.9 um) | -0.50 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.48 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.89 |
| Maximum Radiative Power | 20.39 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 39.70° |
| Mean Solar Zenith Angle | 28.60° |
| Mean Glint Angle | 60.60° |
| Water Fraction | 0.00 |
| Total Pixel Area | 5.60 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |





