Using ASCAT Wind and Other Data in Marine Forecasting

3.5.4 Directional Wind Shear

There are also areas of directional wind shear (discontinuous wind direction) with larger MLE values on the 0639 UTC ASCAT-B plot.

Drawing Question

Use the drawing tools to outline areas of directional wind shear with larger MLE values on the 0639 UTC ASCAT-B plot.

Instructions: Use the pen to outline areas of directional wind shear with large MLE values, then click Done.

Tool: Tool Size: Color:

The variation in wind direction in these areas would lead to higher MLE values. Note that the MLE flags ambiguous winds regardless of the cause - they could be due to the cold front or other factors.