Hurricane Andrew The contour map below shows wind speed in knots during Hurricane Andrew in the Gulf of Mexico. Establish an x - y system with the origin at the point on the coastline closest to the eye of the hurricane and break the map into a grid. (a] Estimate the average wind speed on the land area in the contiguous US (excluding the islands) shown in the map below. (b) Find the value of the directional derivative of the wind speed at Homestead, Florida, in the direction of the eye of the hurricane. 70 70 65 Homestead 65 35 75 60 55 50 45 40 -35 30 "Key West 0 10 20 30 40 (Distance in miles)