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”
Month: September 2010
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”
Arran field course – live blog – Monday 6th September
This week 12 BSc and MMet students from Reading, along with 5 staff and 36 students and staff from the University of Leeds are here in Lochranza on Arran for … Continue reading “Arran field course – live blog – Monday 6th September”
Tropical Parade in the Atlantic
While most of the attention is focused on Hurricane Earl, tropical storms Fiona and Gaston (and a strong tropical wave off Africa) complete the tropical parade in the Atlantic. As … Continue reading “Tropical Parade in the Atlantic”
Hurricane Earl and Tropical Storm Fiona
Earl is a powerful Category 3 hurricane now located northeast of the Bahamas. As of 9:00 a.m., UTC, Hurricane Earl was located at 24.0°N, 71.2°W, or 175 miles (280km) north … Continue reading “Hurricane Earl and Tropical Storm Fiona”