BeeJayBee
Queen Bee
https://secure.fera.defra.gov.uk/beebase/public/News/news.cfm#135
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March 2013 - Starvation Risk from Cold Weather
March 2013 Starvation Risk. Important Information about Colony Food Levels.
With the continued poor weather looking to persist through to the end of March, colonies may be starting to run out of food (if they haven’t already). It would be advisable to check the food levels by opening the hive and making a very quick observation on their store levels.
More on the FERA site