WX99a · Certification — Marine Weather Part 2 (Map Reading)
14 questions · 4 multiple choice · 10 written · ASA 109 Marine Weather — Final Certification (Part 2). Every question references the Pacific Surface Analysis map below.
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📈 Pacific Surface Analysis · OPC · 12:00z 02 May 2019
NWS/NCEP Ocean Prediction Center surface analysis. Click to expand. All questions below reference this map.
Q1
What is the peak central pressure of the High at 36N, 174E?
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Q2
There is a ship report in the middle of that high. What pressure is it reporting?
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Q3
What type of front runs from 49N, 153E to 44N, 160E?
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Q4
What type of front runs from 27N, 140E to 44N, 160E?
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Q5
What type of front runs from 44N, 160E to 36N, 166E?
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Q6
What type of front runs from 40N to 50N at 175W?
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Q7
What is the reported wind speed and direction at 50N, 173E? (Be as specific as possible.)
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Q8
(A) What is the reported pressure at 50N, 173E?
(B) Does this agree with the isobars shown?
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Q9
What is the pressure at 39.4N, 160E?
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Q10
What is the expected wind speed at 39.4N, 160E?
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Q11
What is the expected wind direction at 39.4N, 160E?
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Q12
There is a Low at 49N, 152E. What is the central pressure of that Low expected to be after 24 hr?
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Q13
How fast is the low at 49N, 152E moving?
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Q14
There is a ship report at 21N, 140E. List all the information you can that this report is providing.
💡 Show hint
See Section 7.7; there are 10 separate pieces of information shown.
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