Drawing Contours in PowerPoint - Northeastern Illinois University

Drawing Contours in PowerPoint - Northeastern Illinois University

Mapping Weather Conditions During Hurricane Irma September, 2017 Introduction to Earth Science (ESCI 121) Northeastern Illinois University 2017 Laura L. Sanders, Ph.D. In this lesson you will Learn to draw lines using PowerPoint. Draw contours of pressure and temperature on weather maps. Use the maps to interpret the weather. NOTE: This lesson is best completed on a laptop, desktop, or tablet, where you have a big screen and options for editing PowerPoint slides. Phone screens are too small to see detail in the maps, and editing tools are limited. Drawing Contours in PowerPoint (on a laptop or desktop) Select Insert, then Shapes, and then the squiggly Scribble line.

Then place the cursor where you want the line to begin, and click and drag to draw. Changing Color of a Contour (on a laptop or desktop) Draw the contour. Click to select it. Right click. Select Format Shape. Go to Shape Outline. Click the tiny arrow to the right of the icon. Select your color.

Editing on a Tablet PowerPoint should be a free download for Android tablets. Go into Edit mode, and find a drawing tool that allows you to freehand draw a line. Choose that tool, select a thick line, and select an appropriate color. Before Continuing Review what you learned about how to draw contour lines on a map. Review the meaning of interpolation. Check your skills: Go to Edit mode (End Show), grab the 15 line, and drag it to the correct position on the map below. 10 14 15 20 13

18 15 Before Continuing Heres where that line belongs. Did you place it correctly? Can you explain in words why it belongs there? 14 10 15 20 13 18 15 Before Continuing Review the rules of contours. Contours do not end in the middle of a map. They close on themselves, or They run off the edge of the map.

Contours do not touch, cross, or split. What To Do Next If you are viewing this as a slide show, end the show and go into Edit mode so you can make changes to the slides. The next slides show weather conditions in the eastern U.S. every 12 hours beginning 8:30 pm Friday, Sep 8, 2017. Draw contours on the slides to illustrate changing conditions. All weather maps are from http://www.findlocalweather.com Friday Evening PRESSURE (mb) 30 0 1 CONTOURS ALREADY SHOWN: 1030 mb

1020 1010 YOUR TASK On the map at right, draw the contours (isobars) for 1015 and 1025 mb. Change the colors to match this key: 1025 mb (Blue) 1015 (Yellow) Click the labels below and drag them to the map. 5 101 5 102 1020 10 0

1 1030 Saturday Morning PRESSURE (mb) CONTOURS ALREADY SHOWN: 1030 mb 1020 1010 YOUR TASK On the map, draw isobars for ALL the missing contours, using yellow for 1015, and blue for 1025 and 1035. Click the labels below and drag them to the map. 1020 1035 15

0 1 1025 1010 1030 Saturday Evening PRESSURE (mb) CONTOURS ALREADY SHOWN: 1030 mb 1020 1010 YOUR TASK 05 0 1 15 0

1 1025 On the map, draw isobars for ALL the missing contours, using red for 1005, yellow for the 1015 and blue for the 1025. Click the labels below and drag them to the map. 1020 1010 Sunday Morning PRESSURE (mb) 1030 YOUR TASKS On the map, draw isobars for ALL the missing contours, using

red for the 995 and 1005, yellow for the 1015, blue for the 1025 and 1035. Click the labels below and drag them to the map. 1020 L Click the and drag it to the center of an area of LOW pressure. H Click the and drag it to the center of an area of HIGH pressure. 995 1005 1015

1025 1035 1010 H L 1000 Sunday Evening PRESSURE (mb) 1030 YOUR TASKS On the map, draw isobars for ALL the missing contours, using red for the 995 and 1005, yellow for the 1015, blue for the 1025. Click the labels below and drag them to the map.

1020 L Click the and drag it to the center of an area of LOW pressure. 1010 H Click the and drag it to the center of an area of HIGH pressure. 995 1005 1015 1025 1000

H L Monday Morning PRESSURE (mb) 20 0 1 YOUR TASKS On the map, draw isobars for ALL the missing contours, using red for the lowest values, yellow for the 1010 and 1015, blue for the highest values. Click the labels below and drag them to the map. 1020 L

Click the and drag it to the center of an area of LOW pressure. H Click the and drag it to the center of an area of HIGH pressure. 1025 5 5 15 0 9 0 0 9 1 1 985 1010 1020 990 1000

994 994 L H 1004 1004 10 2 0 Monday Evening PRESSURE (mb) YOUR TASKS On the map, draw isobars for ALL the missing contours, using red for the lowest values, yellow for the 1010, 1015 lines Click the labels below and drag them to the map. 1020

L Click the and drag it to the center of an area of LOW pressure. H Click the and drag it to the center of an area of HIGH pressure. 1000 1005 1010 1015 L H Tuesday Morning PRESSURE (mb)

YOUR TASKS On the map, draw isobars for ALL the missing contours, using red for the 1005 line, yellow for the 1015 line Click the labels below and drag them to the map. L Click the and drag it to the center of an area of LOW pressure. 10 1 H Click the and drag it to the center of an area of HIGH pressure. 1005

1015 L H 0 WHEN YOUR MAPS ARE COMPLETE After drawing the missing pressure contours on the previous maps, go into Slide Show mode and advance through the maps rapidly to animate the weather system. You should be able to see Hurricane Irma approaching and then dissipating, just based on the barometric pressure measurements. Dont Forget To Answer The Questions in Of Part II, Step 2! Print a hardcopy and bring it to class.

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