Passage of a depression
Use the following help sheet to write a fictional story about the passing of a depression. Imagine you are in the field taking observations and measurements. You should use all the statements included below.
|Coming of the warm front||At the warm front||Within the warm sector||At the cold front||Within the cold sector|
|Barometer – shows pressure is falling||Barometer – continues to show the pressure is falling.||No significant changes on the barometer.||Suddenly the pressure on the barometer begins to rise.||Pressure continues to rise.|
|Thermometer – shows the temperature is steady||Thermometer – shows the temperature is rising. Feeling a little sticky in this heavy coat!||Still quite mild.||Time for a hat, and to button up that coat, the temperature is falling, it’s becoming chilly.||It remains cold.|
|Cirrus clouds high in the sky, they begin to descend and thicken becoming altostratus.||Becomes darker, the clouds are low and cover the sky like blankets – nimbostratus.||Starting to see breaks in the cloud, a little drizzle now – nothing heavy.||Angry looking clouds, towering and grey, begin to form – cumulonimbus.||The clouds have thinned out now – some cumulus.|
|No need for the umbrella yet!||Time to get out the umbrella, continuous heavy rain.||A steady breeze, nothing too uncomfortable.||Heavy rain! Is that thunder I hear?||A few showers.|
|Slight increase in wind speed.||The wind is much stronger now – struggling to hold onto my umbrella.||Struggling to stay on my feet, as I’m battered by the strong winds.||Time to go home I think!|