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. The graphs show the average frequency of air and ground frost at Durham and Leeming. Although the summer months are usually free of air frost, ground frost may occur at any time of the year, especially at sites in inland valleys. Sunshine The number of hours of bright sunshine is controlled

of air and ground frost at Ringway and Ronaldsway. Although the summer months are usually free of air frost, ground frost may occur at any time of the year, especially at sites in inland valleys. Sunshine The number of hours of bright sunshine is controlled by the length of day and by cloudiness

. For instance, an early or late onset of rainfall may drastically reduce crop yields if the agricultural practices are not adapted to accommodate it. However, predicting the rainfall-onset date (ROD) in West Africa, particularly in the Sahel, remains a big challenge because of its great variability

temperatures are likely for Venezuela, Colombia and Guyana. 3-Month Outlook March to May - Temperature Much More Likely Below Normal Near-Normal Above Normal Likely Left: Middle East and North Africa Right: Caribbean region Likely Much More Likely Climate Outlook Global: November to August Overview 3 MENA

been hot over the past three months. Most of MENA experienced hot conditions over the same period except for northwestern parts, which were consistently either normal or cold, and the Levant, which was normal in May. Outlook: Both regions are likely or much more likely to be warmer than normal. 3

11-14 May 2015 at 1 Victoria Street, BIS Conference Centre, London

Luntama L5 mission from the perspective of the ESA SSA system Ewan Haggerty Satellite Operators Perspective and Requirements Andrew Richards National Grid Perspective and Requirements Lunch and refreshments will be provided on each day of the event. Two evening receptions have also been organised free of charge to attendees: Tuesday 12 May there will be a cruise down the Thames Wednesday 13 May there will be a reception at the Royal Astronomical Society.

What do the colours mean? Yellow warnings can be issued for a range of weather situations. Many are issued when it is likely that the weather will cause some low level impacts, including some disruption to travel in a few places. Many people may be able to continue with their daily routine

for understanding the past and predicting the future. The Met Office has developed Climate Grid, its software for building such data-sets, so that it may be shared with other organisations. Staff at the Pakistan Meteorological Department have been trained to run the software and are building a gridded data-set

for understanding the past and predicting the future. The Met Office has developed Climate Grid, its software for building such data-sets, so that it may be shared with other organisations. Staff at the Pakistan Meteorological Department have been trained to run the software and are building a gridded data-set

coastal regions from Gabon to Angola where it is likely to be colder than normal. 3-Month Outlook March to May - Temperature Much More Likely Below Normal Near-Normal Above Normal Climate Outlook Africa: November to August Overview 3 Likely Likely Much More Likely Africa Current Status and Outlook