1. Weather Maps

2. Isotherm Map
map that shows areas of equal temperature

5. Isobar Map
map that shows areas of equal atmospheric pressure

6. Isobar Map

7. Isobar Map
closer isobars = higher pressure gradient = stronger winds

8. Reading A Station Model

13. Wind Direction?
NE Wind
Wind Speed?
10 knots
20 knots
25 knots

14. The 500 Rule
Station model pressure is less than 500 put the number 10 in front and insert a decimal to create a 10th’s place

15. The 500 Rule
Station model pressure is greater than 500 put the number 9 in front and insert a decimal to create a 10th’s place

16. What was the barometric pressure 3 hours ago
What was the barometric pressure 3 hours ago? current air pressure is mb Barometric trend is a steady rise of 1.9 mb in last 3 hrs.

17. What was the barometric pressure 3 hours ago? mb mb
What was the barometric pressure 3 hours ago?
current air pressure is mb
Barometric trend is a steady rise of 1.9 mb in last 3 hrs.