1. Interpreting and Using Synoptic Charts
To follow a sequence of events based upon synoptic charts
To observe weather and link to the passage of air masses across the UK

2. Synoptic Charts Jan 07
10th Jan

3. Wednesday 10th Jan 2007 Winds Rainfall Sunshine Temperature Cloud type
Overnight
Comments

4. Wednesday 10th Jan 2007 Winds – light and settled Rainfall - none
Sunshine – 5 hours
Temperature – 9 – 12 C
Cloud type - none
Overnight – strong winds overnight, some damage
Nicest day of the week , plenty of sunshine and warm over lunchtime

5. High Pressure moving East and Low moving in from S Greenland
Ridge of High Pressure
Greenland

6. Weather Warning Jan 11th
The Met Office is forecasting another spell of very wet and windy weather on Thursday 11th January. Severe gales will affect southern and central areas of the United Kingdom during the morning with gusts around 60mph but a risk of localised gusts of around 70mph before easing in the afternoon. A further swathe of severe gales will then sweep across northern parts of the United Kingdom through the afternoon and evening with gusts of 70mph in places, including parts of the Central Lowlands for a time. Gusts of 80mph are possible over northwest Scotland. Some disruption is expected to transport, utilities (power) and infrastructure. Localised flooding may also occur. Further spells of wind and rain are expected on Friday and over the weekend, and the public are advised to keep an eye on the forecast.

7. Warm Front and Depression moving east overnight
Note low pressure of 951 and tight isobars

8. Midday Thursday – Cold Front passing over London and the SE
New Depression forming off Newfoundland
Warm front

9. Thursday 11th Jan 2007 Winds Rainfall Sunshine Temperature Overnight
Cloud type

10. Thursday 11th Jan 2007 Winds – squally winds strong and westerly
Rainfall – heavy and lighter showers
Sunshine – limited spells after showers
Temperature – 9ºC temp drops in showers
Overnight – clear at start less windy
Cloud type - cumulonimbus

11. Midday Friday Jan 12th Depression moving eastwards across UK
High pressure over Spain
Tight isobars indicates strong winds

12. Friday 12th Jan 2007 Winds Rainfall Sunshine Temperature Cloud type
Overnight
Comment

13. Friday 12th Jan 2007 Winds Rainfall Sunshine Temperature Cloud type
Overnight
Comment