Level curves for barometric pressure in millibars are shown

Last updated: 6/29/2023

Level curves for barometric pressure in millibars are shown for 6 00 a m on a day in November A deep low with pressure 972 mb is moving over northeast Iowa The distance along the red line from K Kearney Nebraska to S Sioux City Iowa is 300 km km O mb km km mb 1012 mb K 1008 1000 1008 1004 996 992 988 S 984 980 976 1012 972 What are the units of the directional derivative mb km 016 1020 wh 1024 Z Estimate the value of the directional derivative of the pressure function at Kearney in the direction of Sioux City Round your answer to two decimal places