Tapply on steroids – by (climate trends in Scottish seasons)

A while back I wrote a post on using the R tool tapply, which is my most popular post. Tapply allows you to repeat a function over a vector split into groups, e.g.… Continue reading

Rare snowmelt estimation (GB)

I read Hough and Hollis’ 1997 paper recently which uses Met Office synoptic stations to estimate a magnitude – recurrence relationship for snowmelt in the UK. i.e. how often do we get how… Continue reading

Cairngorms snow cover, 1954-1984

Neil Reid wrote a post this week about news from the Mar Lodge estate. On it he mentions the future of Derry Lodge. I’ve never been to Derry Lodge so seeing a photograph… Continue reading

Warm October, cold winter?

A tweet flashed by a couple of days ago hoping that a warm October might indicate a cold winter: It’s a straightforward enough hypothesis, although one I think we all can agree seems… Continue reading

QGIS user group – presentation

I spoke today at the second Scottish QGIS user group meeting. It was a diverse gaggle of practitioners including academics, council, quango and no doubt many more. Some really interesting talks went on,… Continue reading

Arctic sea ice extent

Bit of a departure from Scottish snow this afternoon: the Met Office put out a blog post yesterday on the minimum Arctic sea ice extent being reached for this year (probably) and briefly… Continue reading

Scottish winter weather

Following on from my previous post about September weather, it seems appropriate (for my research and blog) to look at winter weather specifically for Scotland. This post again uses Met Office data. I… Continue reading

Is UK September weather improving?

A friend called me this week to ask about a news story he’d heard on the radio. He’d been listening to a caller say that this warm September in the UK was really… Continue reading

British Hydrological Society 2014 Symposium – poster

This is my second post about the British Hydrological Society biannual (every two years) Symposium 2014. Previously I wrote about the presentation I gave, this post covers the poster I took. I got… Continue reading

British Hydrological Society 2014 Symposium – presentation

At the beginning of September the British Hydrological Society held its biannual (every two years) symposium. I presented a presentation and a poster during this conference. Below is the presentation I gave. A… Continue reading