Tag Archive: R

Hydrological uncertainty – Manning’s equation

John Yagecic put out a great little blog post with accompanying app this week. He looked at the uncertainty from using vague parameters in Manning’s equation to estimate river flow. He made the… Continue reading

Monthly patterns in Scottish snow (1946-2006)

There’s been a bit of a flurry on Twitter recently about April snow in the UK (see tweet below). My opinion is there’s often UK snow during April, but it happens to be… Continue reading

Colouring a plot using a continuous variable in R

I often find myself coming back to this answer I gave on Stack Overflow in 2014. It shows how to colour a plot based on an independent continuous variable using the base graphics… Continue reading

Getting started with NetCDF – reading CEH GEAR

Last year CEH released an interpolated precipitation dataset for the UK call GEAR. You can read about this dataset here, or view slides presented at the 2014 BHS Symposium here. In short; these… Continue reading

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

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