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Question 1 of 2066636ee928f7522a1c51a559

Using the surface analysis in illustration D049NG below, which wind speeds are reported at position A?

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Question 1 of 20

66636ee928f7522a1c51a559

Q

Using the surface analysis in illustration D049NG below, which wind speeds are reported at position A?

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🔍 Key Concepts

• On surface analysis charts, wind speed is shown by barbs on the wind arrow • A full barb represents 10 knots and a half barb represents 5 knots • Wind direction is shown by where the staff points from, but this question only cares about wind speed

💭 Think About

• Count how many full and half barbs are attached to the wind arrow at position A • Convert the combination of full and half barbs into total knots using the standard values (full = 10 kt, half = 5 kt) • Match that total to the closest choice given in the answers

✅ Before You Answer

• Be sure you are looking at the station model at A, not B, C, D, or E • Confirm you can clearly distinguish full vs. half barbs on the plotted wind arrow • Double-check your arithmetic when you add the barb values before choosing the answer

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Question 1 of 2066636ee928f7522a1c51a559

Using the surface analysis in illustration D049NG below, which wind speeds are reported at position A?

Back

Question 1 of 20

66636ee928f7522a1c51a559

Q

Using the surface analysis in illustration D049NG below, which wind speeds are reported at position A?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

• On surface analysis charts, wind speed is shown by barbs on the wind arrow • A full barb represents 10 knots and a half barb represents 5 knots • Wind direction is shown by where the staff points from, but this question only cares about wind speed

💭 Think About

• Count how many full and half barbs are attached to the wind arrow at position A • Convert the combination of full and half barbs into total knots using the standard values (full = 10 kt, half = 5 kt) • Match that total to the closest choice given in the answers

✅ Before You Answer

• Be sure you are looking at the station model at A, not B, C, D, or E • Confirm you can clearly distinguish full vs. half barbs on the plotted wind arrow • Double-check your arithmetic when you add the barb values before choosing the answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed