Week 2 – Blocking has come…
16.10.2010 A very interesting period is on the way, at least from the meteorological point of view…while I am writing a blocking regime is about to build up over the … Continue reading “Week 2 – Blocking has come…”
Category: Uncategorized
Week 1 – Current and future Ozone holes
During September and October the large spring-time depletion of stratospheric ozone, the so-called ozone-hole, occurs over the Southern Hemisphere polar cap. Despite the success of the Montreal Protocol in restricting … Continue reading “Week 1 – Current and future Ozone holes”
Autumn term 2010 – bloggers
The leaves are starting to turn and my walk to work is getting muddier every day so that must mean that a new term is about to start. For those … Continue reading “Autumn term 2010 – bloggers”
Seasonal Forecasts
The 2-meter temperature anomaly forecasts averaged over three-month periods from November 2010 to June 2011 from NCEP’s Coupled Forecast System (CFS) model are shown below (additional fields including SST and … Continue reading “Seasonal Forecasts”
Arctic and Antarctic Sea Ice
The US National Snow and Ice Data Center has reported on 27th September that Arctic sea ice appears to have reached its annual minimum extent on 19th September. On that … Continue reading “Arctic and Antarctic Sea Ice”
Fujiwhara Effect
The Fujiwhara effect describes the rotation of two storms around each other. It’s most common with tropical cyclones but also occurs in other cases. A good way to picture this … Continue reading “Fujiwhara Effect”
Measuring fluxes on Arran
We measured the radiation and turbulent flux densities during the fieldtrip – Rn is net radiation, G is ground heat flux, H is sensible heat flux and LE is latent … Continue reading “Measuring fluxes on Arran”
Arran field course – live blog – Saturday 11th September
Our final day on Arran and our final occluded fronts from the dominant series of systems influencing our weather look to have passed during mid-morning. Yesterday (Friday 10th) we saw … Continue reading “Arran field course – live blog – Saturday 11th September”
Arran field course – live blog – Thursday 9th September
Two more days on Arran with some glorious early autumn sunshine in addition to our typical mix of cloudy and shower weather. A sequence of our 12Z radiosonde soundings from … Continue reading “Arran field course – live blog – Thursday 9th September”
Arran field course – live blog – Tuesday 7th September
Today’s activity for all groups was an instrumented walk up Goat Fell (850m above sea level) the highest point on Arran. We left the field centre with some trepidation, expecting … Continue reading “Arran field course – live blog – Tuesday 7th September”