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
Aid: 980486
Alert Type: Possible Wildfire
Date: 2025-03-18 20:20:55 Show details

Basic Information
State/Province(s) AK
Country/Countries United States
County/Locality(s) Yukon-Koyukuk Census Area, AK
NWS WFO Unknown
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-03-18 20:20:57UTC
Radiative Center (Lat, Lon): 62.940556°, -156.224442°
Nearby Counties (meeting alert criteria):
  • Yukon-Koyukuk Census Area (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power81.99 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)285.53 K
Observed - Background BT (3.9 um)23.31 K
BT Anomaly (3.9 um)6.80 K
Maximum Observed - Clear RTM BT (3.9 um)31.36 K
Maximum Observed BTD (3.9-10/11/12 um)32.03 K
Observed - Background BTD (3.9-10/11/12 um)24.10 K
BTD Anomaly (3.9-10/11/12 um)6.58 K
Similar Pixel Count0
BT Time Tendency (3.9 um)1.70 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.53
Fraction of Surrounding Red Channel Pixels that are Brighter0.50
Maximum Radiative Power81.99 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 73.50°
Mean Solar Zenith Angle 69.00°
Mean Glint Angle139.90°
Water Fraction0.00
Total Pixel Area 14.10 km2
Latest Satellite Imagery:
Show More Show Less