Neco Model Questions Vol1 2018 Geography Question 4

Practice essay / theory question 4 from the 2018 Neco Model Questions Vol1 Geography examination. This question covers Weather .

Neco Model Questions Vol1 2018 Geography Essay / Theory
Topic: Weather
Question 4 NECO_MODEL_QUESTIONS_VOL1 • 2018 • GEOGRAPHY • essay

A synoptic chart for a region of Nigeria at 0900 GMT on 15 March shows the following data: - Isobars: 1018 hPa over Enugu, 1012 hPa over Abuja, 1005 hPa over Kano. - A cold front extending from 10° N, 8° E to 12° N, 10° E. - Surface wind observations: Enugu – wind from the east at 4 m s⁻¹; Abuja – wind from the northeast at 6 m s⁻¹; Kano – wind from the north at 8 m s⁻¹. - Temperatures: Enugu 26 °C, Abuja 24 °C, Kano 22 °C. - Relative humidities: Enugu 80 %, Abuja 70 %, Kano 60 %. Answer the following questions:

Question Parts

( a )
Identify the type of front shown on the chart and describe the typical weather conditions associated with this front in the northern hemisphere.
( b )
Assuming the straight‑line distance between Enugu and Abuja is 300 km, calculate the magnitude of the pressure‑gradient force (PGF) between the two stations. Use a standard air density of 1.2 kg m⁻³ and the relation PGF = –(1/ρ) ∂p/∂x. State the direction of the resulting wind (ignoring friction).
( c )
Discuss two reasons why the observed wind directions at Enugu, Abuja and Kano differ from the direction predicted solely by the pressure‑gradient calculated in part (b).

Detailed Solution & Marking Scheme

Get the step-by-step solution, key points required by examiners and detailed marking guidance through the Edcrib AI Tutor.

Reveal Answer

About This Question

This is Neco Model Questions Vol1 2018 Geography Question 4. It is one of the essay questions from the 2018 Neco Model Questions Vol1 Geography examination.

The question covers Weather .

View More Neco Model Questions Vol1 2018 Geography Questions More Neco Model Questions Vol1 Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support