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Draw a picture that represents yesterdays weather….
(You have 30 seconds!).
Did it look like this?
Predicting the weather using a synoptic chart.
What is a synoptic chart?
To access synoptic chart
GO TO: The Australian Bureau of Meteorology Homepagewww.bom.gov.au
Navigate to here
Use the synoptic chart to identify the weather in Strahan
Temperature(Hot, warm, mild, cold)
Rain(yes/no)
Wind Speed(strong/med/light)
Direction
Strahan
Find the:
• Temperature
• Rain
•Wind Speed
•Wind Direction
Use the synoptic chart to identify TEMPERATURE
What can we look at?
Use the synoptic chart to identify TEMPERATUREThe date
Season?By area
NorthSouth
Low pressure systemAssociated with
cooler weatherHigh pressure system
Associated withwarmer temperatures
Use the synoptic chart to identify TEMPERATUREThe Seasons:
Summer: December to February Autumn: March to May Winter: June to August Spring: September to November
Use the synoptic chart to identify TEMPERATURE
What is the temperature likely to be for HOBART??
What is the temperature likely to be for HOBART??
• What is the date?• Where is Hobart?• Is it in a Low pressure or High pressure system?
Use the synoptic chart to identify TEMPERATURE
Temperature(Hot, warm, mild, cold)
Hobart COLD
Winter
Southern Location
N
What can we look at?
Use the synoptic chart to identify presence of RAIN
Use the synoptic chart to identify presence of RAIN
Is HOBART likely to get rain?
• Is there a cold front?• Presence of a trough?• Low pressure system?• High pressure system over the coast?
Rain(yes/no)
Hobart MAYBE
Cold front passed
Shaded
Use the synoptic chart to identify WIND SPEED
What can we look at?
Wind Speed(strong/med/light)
Hobart STRONG
Use the synoptic chart to identify WIND SPEED
What is the likely wind speed in HOBART??
• Closeness of isobars?• Presence of cold front?• Presence Low pressure system?
Close isobars
Cold front
Use the synoptic chart to identify WIND DIRECTION
What can we look at?
Use the synoptic chart to identify WIND DIRECTION
What is the likely wind direction for HOBART??
• Isobars?• Low pressure?• High pressure?
LOW pressure system= CYCLONE= CLOCKWISE
HIGH pressure system = ANTI–CYCLONE= ANTI-CLOCKWISE
Wind Direction
Hobart SOUTH /South west
Use the synoptic chart to identify WIND DIRECTION
What is the likely wind direction for HOBART??
• Isobars?• Low pressure?• High pressure?
N
Our Forecast
Temperature(Hot, warm, mild, cold)
Rain(yes/no)
Wind Speed(strong/med/light)
Wind Direction
Hobart Cold Maybe Strong SOUTH /South west
The Official Forecast
Hobart ForecastForecast for Friday : Cloudy periods with showers easing during the day, falling as snow about the mountain. Moderate to fresh and gusty southwest winds, easing later. PrecisShowers easing, mountain snow. Max 11
Use the synoptic chart to identify Strahan’s weather
Temperature(Hot, warm, mild, cold)
Rain(yes/no)
Wind Speed(strong/med/light)
Direction
Strahan
Find =
• Temperature• Rain•Wind Speed•Wind Direction
To access synoptic chartGO TO: The Australian Bureau of Meteorology Homepagewww.bom.gov.au
