Transcript WEATHER - Hillhead High School

WEATHER
What you need to know
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How to measure and record weather
Depressions and anticyclones
Weather associated with both
Air masses and associated weather
Extreme weather and how it effects humans
Measuring and recording
Device
Units
Thermometer
What is
Measures
Temperature
Rain Gauge
Precipitation
mm (or inches)
Anemometer
Wind Speed
Mph or Kph
Wind Vane
Wind Direction
Compass Points
Sunshine
Recorder
Barometer
Sunshine (duh!) Hours
Air Pressure
°C or °F
Millibars
STEVENSON SCREEN
Painted White to
Reflect the heat
from the sun
Placed on
earth or
grass, which
absorbs heat
Slatted Slides
allows air to
pass through
keeping
thermometers
cool
On a stilt to
prevent
reflection of
heat of the
surface.
Synoptic Charts
!
WHAT
DOES IT
ALL
MEAN?
FRONTS
OCCLUDED
FRONT
WARM
FRONT
COLD
FRONT
ISOBARS
Air Movement round a Depression
WINDS MOVE
ANTICLOOCKWISE
ROUND A LOW
PRESSURE
WINDS MOVE
CLOCKWISE
ROUND A HIGH
PRESSURE
DEPRESSIONS
 Sometimes is known as Low Pressure.
 Will contain a Warm Front and Cold Front
 Winds will be strong and move anticlockwise around a depression.
 Brings a period of unsettled weather, wind,
rain, heavy showers, cooler temperatures