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: | 2025-12-21 |
|---|---|
| Time: | 17:21:18 |
| Production Date and Time: | 2025-12-21 17:26:06 UTC |
| Primary Instrument: | GOES-19 ABI |
| Wmo Spacecraft Id: | 666 |
| Location/orbit: | GEO |
| L1 File: | OR_ABI-L1b-RadC-M6C14_G19_s20253551721183_e20253551723556_c20253551724055.nc |
| L1 File(s) - Temporal | OR_ABI-L1b-RadC-M6C14_G19_s20253551716183_e20253551718556_c20253551719059.nc |
| Number Of Thermal Anomaly Alerts: | 3 |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | IA |
| Country/Countries | United States |
| County/Locality(s) | Decatur County, IA |
| NWS WFO | Des Moines IA |
| Identification Method | Enhanced Contextual (Cloud) |
| Mean Object Date/Time | 2025-12-21 17:21:51UTC |
| Radiative Center (Lat, Lon): | 40.814999°, -93.618332° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 18.77 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Fire Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 292.50 K |
| Observed - Background BT (3.9 um) | 8.44 K |
| BT Anomaly (3.9 um) | 9.50 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 15.97 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 15.49 K |
| Observed - Background BTD (3.9-10/11/12 um) | 8.16 K |
| BTD Anomaly (3.9-10/11/12 um) | 9.82 K |
| Similar Pixel Count | 0 |
| BT Time Tendency (3.9 um) | 7.60 K |
| Image Interval | 5.00 minutes |
| Fraction of Surrounding LWIR Pixels that are Colder | 0.75 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 1.00 |
| Maximum Radiative Power | 18.77 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 51.10° |
| Mean Solar Zenith Angle | 65.30° |
| Mean Glint Angle | 115.00° |
| Water Fraction | 0.00 |
| Total Pixel Area | 6.40 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | AR |
| Country/Countries | United States |
| County/Locality(s) | Randolph County, AR |
| NWS WFO | Little Rock AR |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-12-21 17:21:52UTC |
| Radiative Center (Lat, Lon): | 36.443333°, -90.853615° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 9.26 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Fire Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 292.66 K |
| Observed - Background BT (3.9 um) | 4.11 K |
| BT Anomaly (3.9 um) | 4.36 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 11.95 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 10.69 K |
| Observed - Background BTD (3.9-10/11/12 um) | 3.80 K |
| BTD Anomaly (3.9-10/11/12 um) | 4.69 K |
| Similar Pixel Count | 10 |
| BT Time Tendency (3.9 um) | 3.20 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 | 0.96 |
| Maximum Radiative Power | 9.26 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 45.60° |
| Mean Solar Zenith Angle | 60.60° |
| Mean Glint Angle | 105.00° |
| Water Fraction | 0.00 |
| Total Pixel Area | 5.70 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |
Possible Wildfire
| Basic Information | |
|---|---|
| State/Province(s) | GA |
| Country/Countries | United States |
| County/Locality(s) | Washington County, GA |
| NWS WFO | Peachtree City GA |
| Identification Method | Enhanced Contextual (Clear) |
| Mean Object Date/Time | 2025-12-21 17:22:23UTC |
| Radiative Center (Lat, Lon): | 33.096111°, -82.832779° |
| Nearby Counties (meeting alert criteria): |
|
| Total Radiative Power Anomaly | n/a |
| Total Radiative Power | 4.56 MW |
| Map: | |
| Additional Information | |
| Alert Status | New Feature |
| Type of Event | Nominal Fire Risk |
| Event Priority Ranking | 4 |
| Maximum Observed BT (3.9 um) | 296.28 K |
| Observed - Background BT (3.9 um) | 2.01 K |
| BT Anomaly (3.9 um) | 2.17 K |
| Maximum Observed - Clear RTM BT (3.9 um) | 7.37 K |
| Maximum Observed BTD (3.9-10/11/12 um) | 8.23 K |
| Observed - Background BTD (3.9-10/11/12 um) | 1.81 K |
| BTD Anomaly (3.9-10/11/12 um) | 4.17 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 | 0.65 |
| Fraction of Surrounding Red Channel Pixels that are Brighter | 1.00 |
| Maximum Radiative Power | 4.56 MW |
| Maximum Radiative Power Uncertainty | 0.00 MW |
| Total Radiative Power Uncertainty | 0.00 MW |
| Mean Viewing Angle | 39.50° |
| Mean Solar Zenith Angle | 56.50° |
| Mean Glint Angle | 95.40° |
| Water Fraction | 0.00 |
| Total Pixel Area | 5.20 km2 |
| Latest Satellite Imagery: | |
| View all event imagery » | |





