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: | 2025-05-26 |
|---|---|
| Time: | 17:36:17 |
| Production Date and Time: | 2025-05-26 17:41:00 UTC |
| Primary Instrument: | GOES-18 ABI |
| Wmo Spacecraft Id: | 665 |
| Location/orbit: | GEO |
| L1 File: | OR_ABI-L1b-RadC-M6C14_G18_s20251461736170_e20251461738543_c20251461739007.nc |
| L1 File(s) - Temporal | OR_ABI-L1b-RadC-M6C14_G18_s20251461731170_e20251461733543_c20251461734047.nc |
| Number Of Thermal Anomaly Alerts: | 3 |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | MT |
| Country/Countries | United States |
| County/Locality(s) | Lewis and Clark County, MT |
| NWS WFO | Great Falls MT |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-05-26 17:36:23UTC |
| Radiative Center (Lat, Lon): | 47.139168°, -112.512779° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 13.22 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 300.95 K |
| Observed - Background BT (3.9 um) | 3.84 K |
| BT Anomaly (3.9 um) | 2.55 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 8.15 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 10.33 K |
| Observed - Background BTD (3.9-10/11/12 um) | 3.13 K |
| BTD Anomaly (3.9-10/11/12 um) | 2.43 K |
| Similar Pixel Count | 25 |
| BT Time Tendency (3.9 um) | 0.30 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 | 1.00 |
| Maximum Radiative Power | 13.22 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 59.60° |
| Mean Solar Zenith Angle | 34.40° |
| Mean Glint Angle | 69.60° |
| Water Fraction | 0.00 |
| Total Pixel Area | 7.90 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | CA |
| Country/Countries | United States |
| County/Locality(s) | Stanislaus County, CA |
| NWS WFO | Sacramento CA |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-05-26 17:36:53UTC |
| Radiative Center (Lat, Lon): | 37.621113°, -120.500275° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 25.68 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 305.20 K |
| Observed - Background BT (3.9 um) | 3.59 K |
| BT Anomaly (3.9 um) | 1.54 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 8.89 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 12.29 K |
| Observed - Background BTD (3.9-10/11/12 um) | 3.55 K |
| BTD Anomaly (3.9-10/11/12 um) | 3.81 K |
| Similar Pixel Count | 23 |
| BT Time Tendency (3.9 um) | 2.70 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.53 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.89 |
| Maximum Radiative Power | 13.51 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 47.20° |
| Mean Solar Zenith Angle | 34.90° |
| Mean Glint Angle | 52.20° |
| Water Fraction | 0.00 |
| Total Pixel Area | 11.80 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | CA |
| Country/Countries | United States |
| County/Locality(s) | San Bernardino County, CA |
| NWS WFO | Las Vegas NV |
| Identification Method | Enhanced Contextual (Cloud) |
| Mean Object Date/Time | 2025-05-26 17:37:24UTC |
| Radiative Center (Lat, Lon): | 35.575554°, -115.446945° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 421.76 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Solar panel (database + spectral) |
| Event Priority Ranking | 5 |
| Maximum Observed BT (3.9 um) | 345.71 K |
| Observed - Background BT (3.9 um) | 26.18 K |
| BT Anomaly (3.9 um) | 19.08 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 32.97 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 34.32 K |
| Observed - Background BTD (3.9-10/11/12 um) | 25.04 K |
| BTD Anomaly (3.9-10/11/12 um) | 31.83 K |
| Similar Pixel Count | 0 |
| BT Time Tendency (3.9 um) | 23.60 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.94 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 0.00 |
| Maximum Radiative Power | 303.21 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 47.50° |
| Mean Solar Zenith Angle | 30.40° |
| Mean Glint Angle | 47.80° |
| Water Fraction | 0.00 |
| Total Pixel Area | 17.80 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |





