Wildfire Alert
Aid: 832451
Alert Type: Possible Wildfire
Date: 2024-09-30 17:42:24 Show details

Basic Information
State/Province(s) SD
Country/Countries USA
County/Locality(s) Brule County, SD
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2024-09-30 17:42:26UTC
Radiative Center (Lat, Lon): 43.620°, -98.960°
Nearby Counties (meeting alert criteria):
  • Brule County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power26.74 MW
Map:
Additional Information
Alert Status New Feature
Type of EventCritical SPC Risk and Red Flag Warning
Event Priority Ranking1
Maximum Observed BT (3.9 um)304.14 K
Observed - Background BT (3.9 um)3.74 K
BT Anomaly (3.9 um)4.93 K
Maximum Observed - Clear RTM BT (3.9 um)6.87 K
Maximum Observed BTD (3.9-10/11/12 um)12.13 K
Observed - Background BTD (3.9-10/11/12 um)3.39 K
BTD Anomaly (3.9-10/11/12 um)6.45 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.20 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.85
Fraction of Surrounding Red Channel Pixels that are Brighter0.94
Maximum Radiative Power14.17 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.00°
Mean Solar Zenith Angle 47.60°
Mean Glint Angle101.80°
Water Fraction0.00
Total Pixel Area 17.70 km2
Latest Satellite Imagery:
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