Jan 2026: Due to an ongoing data center cooling system construction project, NGFS data outages may occur with little or no notice.
NOTE: A data center outage will result in an NGFS outage on Thursday 1/29 from approximately 1800 – 1930 UTC.
Wildfire Alert Report
| Date: | 2024-09-04 |
|---|---|
| Time: | 20:41:17 |
| Production Date and Time: | 2024-09-04 20:45:54 UTC |
| Primary Instrument: | GOES-18 ABI |
| Wmo Spacecraft Id: | 665 |
| Location/orbit: | GEO |
| L1 File: | OR_ABI-L1b-RadC-M6C14_G18_s20242482041173_e20242482043546_c20242482044044.nc |
| L1 File(s) - Temporal | OR_ABI-L1b-RadC-M6C14_G18_s20242482036173_e20242482038546_c20242482038599.nc |
| Number Of Thermal Anomaly Alerts: | 3 |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | MT |
| Country/Countries | USA |
| County/Locality(s) | Ravalli County, MT |
| NWS WFO | Missoula MT |
| Identification Method | Enhanced Contextual (Cloud) |
| Mean Object Date/Time | 2024-09-04 20:41:23UTC |
| Radiative Center (Lat, Lon): | 46.200000°, -113.860000° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 184.06 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk, Known Incident: DALY (HIGH, tdiff=0.08909 days, POINT) |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 320.14 K |
| Observed - Background BT (3.9 um) | 19.33 K |
| BT Anomaly (3.9 um) | 9.83 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 27.75 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 36.47 K |
| Observed - Background BTD (3.9-10/11/12 um) | 19.52 K |
| BTD Anomaly (3.9-10/11/12 um) | 8.02 K |
| Similar Pixel Count | 0 |
| BT Time Tendency (3.9 um) | 6.60 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.18 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.08 |
| Maximum Radiative Power | 122.20 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 58.20° |
| Mean Solar Zenith Angle | 41.60° |
| Mean Glint Angle | 99.60° |
| Water Fraction | 0.00 |
| Total Pixel Area | 19.00 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | WY |
| Country/Countries | USA |
| County/Locality(s) | Converse County, WY |
| NWS WFO | Cheyenne WY |
| Identification Method | Enhanced Contextual (Cloud) |
| Mean Object Date/Time | 2024-09-04 20:41:54UTC |
| Radiative Center (Lat, Lon): | 42.290000°, -105.380000° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 588.58 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 299.98 K |
| Observed - Background BT (3.9 um) | 25.07 K |
| BT Anomaly (3.9 um) | 7.06 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 8.40 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 33.73 K |
| Observed - Background BTD (3.9-10/11/12 um) | 24.84 K |
| BTD Anomaly (3.9-10/11/12 um) | 9.45 K |
| Similar Pixel Count | 0 |
| BT Time Tendency (3.9 um) | 10.70 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.38 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.40 |
| Maximum Radiative Power | 588.58 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 58.70° |
| Mean Solar Zenith Angle | 41.60° |
| Mean Glint Angle | 100.30° |
| Water Fraction | 0.00 |
| Total Pixel Area | 10.30 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | WY |
| Country/Countries | USA |
| County/Locality(s) | Albany County, WY |
| NWS WFO | Cheyenne WY |
| Identification Method | Enhanced Contextual (Cloud) |
| Mean Object Date/Time | 2024-09-04 20:41:54UTC |
| Radiative Center (Lat, Lon): | 42.270000°, -105.330000° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 472.19 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 302.72 K |
| Observed - Background BT (3.9 um) | 27.47 K |
| BT Anomaly (3.9 um) | 7.36 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 13.10 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 36.36 K |
| Observed - Background BTD (3.9-10/11/12 um) | 26.70 K |
| BTD Anomaly (3.9-10/11/12 um) | 11.14 K |
| Similar Pixel Count | 0 |
| BT Time Tendency (3.9 um) | 8.10 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.38 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.38 |
| Maximum Radiative Power | 472.19 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 58.70° |
| Mean Solar Zenith Angle | 41.60° |
| Mean Glint Angle | 100.30° |
| Water Fraction | 0.00 |
| Total Pixel Area | 10.30 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |



