If you can help us verify this story please contact us. G. C. Kitching also claims hail did once fall on St Helena, at Woodlands in a storm on 21st October 1897. There is no Autumn (‘Fall’) so trees shed their leaves when they feel like it, and no Spring so things grow at any time of the year. No damage was reported. Saint Helena is dominated by Mount Actaeon, which reaches up to 818 metres. Be prepared with the most accurate 10-day forecast for St. Helens, OR with highs, lows, chance of precipitation from The Weather Channel and Weather.com {17} Correct - it hasn’t. Their first empirical orthogonal eigen function (EOF) covers 46% of the total variance; its associated temporal coefficient is proposed as a ‘St Helena Island Climate Index (HIX)’. Credits:{a} Bruce Peters{b} Simon Ashley Yon{c} Dion Yon{d} Earth Observatory, taken from the ISS{e} www.io-warnemuende.de/en_hix-st-helena-island-climate-index.html, retrieved December 2019{f} ‘St Helena: A Physical, Historical and Topographical Description of the Island, including the Geology, Fauna, Flora and Meteorology’, by John Melliss, published in 1875, 1875{15}{g} South Atlantic Media Services Ltd (SAMS){15}{h} Adolph Northen, 1828-1876. The 7 day weather forecast summary for Jamestown: The forecast for Jamestown in the coming week is predicting the average daytime maximum temperature will be around 20°C, with a high for the week of 21°C expected on the afternoon of Saturday 27th. The musically educated amongst you will also recognise yet another song title here and Crowded House themselves seemed to like singing about the weather, particularly using it has metaphors for feelings in their writing. Hi/Low, RealFeel®, precip, radar, & everything you need to be ready for the day, commute, and weekend! My last blog on the weather was about the micro-climates on the island, where you can be in a cloud forest in area but within a mile be in bright sunshine and not be able to see a cloud in the sky. The lowest wind speed recorded in recent years was 17Km/h. It goes like this…, An ‘elderly’ gentleman (thought to have been in his 70s) was visiting the island. Taken by Oleg Artemyev from the International Space Station, 14th August 2018. {15} Reproduced for educational non-commercial use only; all copyrights are acknowledged. With Whitney Houston’s One Moment In Time drifting out of the weather station’s FM radio, it is the oddest science lesson you could imagine. Alone in the South Atlantic Ocean sits the small volcanic island of Saint Helena. Two graphs showing the 2018 and 2019 surface and borehole flow comparisons is shown below: The weather forecast for St Helena over the next few days suggest continued warm weather with little to no rain showers. Again, all else being ignored, we should have two longest days and two shortest days (the two spanning the relevant solstices by a few days in each case). An even more dramatic example of von Karman vortices, taken by NASA’s Earth Observatory, 10th November 2015. The Summer Solstice is then defined as the day on which the sun reaches its highest point. Based on weather reports collected during 1985–2015. Average Weather during May in St. Helena (California), United States of America. Outlook for Saturday to Monday. Here you will find the 14 day weather forecast for Saint Helena Bay. Get the forecast for today, tonight & tomorrow's weather for Jamestown, Saint Helena, Saint Helena. The record rainfall in a 24-hour period is 48.6mm, recorded on 26th April 2017, on which day the typical rainfall for a month fell in just 6 hours - when it does rain it can be heavy!. Tip: the tropical sun can be hot; sunscreen is recommended if going out for the day, especially on a boat{4}. They’ve been known to scare the life out of pilots, says Bennett, flipping his goggles off. The St Helena Weather Map below shows the weather forecast for the next 10 days. Napa Valley’s Mediterranean climate creates ideal conditions for growing grapes, where warm, dry summers are moderated by cool marine influences, and large diurnal temperature shifts from day to night allow the grapes to ripen while retaining balanced acidity. Historical or past weather forecast page provides historical weather forecast from 1 st July, 2008 till now in 3 hourly interval. Be prepared with the most accurate 10-day forecast for Helena, MT with highs, lows, chance of precipitation from The Weather Channel and Weather.com For such locations as ours, the sun’s wandering up the sky actually overshoots - during the year, the highest reach of the sun gets higher and higher in the north and then… actually moves over to the south of us! St Helena is located close to the equator so our day-length does not vary greatly around the year. Saint Helena Island Info will not work fully because Javascript is not enabled in your browser. (The airport opened for commercial flights in 2017.) Saturday will see rain at first, but easing with some afternoon sunny spells developing, but cloud will build in later. The far-flung volcanic outpost doesn’t just filter data into global forecasts to help predict whether your summer bank holiday will be a washout; it plays a vital role in tracking how our climate is changing over time. Don’t knock the weather. Prime whale spotting time is generally from about now until November, but they’ve been here for about the past 3 months. There is no weather forecasting done on St Helena but there is a Meteorological station that collects weather surface and upper air data that is located at bottom woods since 1974 after the Station was moved from it old location at Hutt’s Gate. Editor’s Note: Thanks, Stuart, for that fascinating and comprehensive explanation! But being British it’s obviously a pretty much inexhaustible subject and always a conversation saver. Weather Forecast St Helena Airport, Longwood - United Kingdom (Saint Helena Ascension and Tristan da Cunha) ☼ Longitude : -5.65 Latitude : -15.96 Altitude : 312m ☀ Situé en Europe de l'Ouest, le Royaume-Uni est composé de l'Angleterre de l'Ecosse et du Pays de Galles qui forment la Grande-Bretagne, ainsi que de He was taken down to the Hospital where he quickly made a full recovery. See also the chart (below) and the article (further below). Along with a colleague at Heathrow and a handful scattered around RAF bases, Baker is in the unusual position of being a weatherman embedded at an airport, working in tandem with the Bottom Woods team. Then it returns to the north and declines again into winter. The average sea temperature around St Helena in July is 21°C . Summer is also a good time to seek out a smaller, family-owned place off the beaten track. In mid-winter sunrise is at around 06:50h and sunset at around 18:00h, a day-length of 11h10m. Saint Helena is 77 m above sea level and located at 38.51° N 122.47° W. Saint Helena has a population of 5814. Not yet identified Benguela Niños (1895, 1905, 1912, 1916, 1946) and years of strong Benguela upwelling (1911, 1922, 1967, 1976) are newly suggested by the HIX.{11}. After precisely 90 minutes, Bennett’s balloon reaches a height of 100,000ft, where the air temperature hovers around -80C; the giant latex ball has stretched to the size of a two-storey house. In effect St Helena doesn’t have any. At least though to experience this you had to travel somewhere, now it’s got to winter you can just choose a spot, stay there and let all the different weather patterns come to you. Yet that is mixed with reassuringly familiar snapshots of the UK: homes in the British overseas territory are decorated with pictures of the Queen, shops stocked with bottles of HP Sauce and cans of Irn-Bru. The plane accelerates and all I can think of is the ends-of-the-Earth weathermen, enveloped in cloud, predicting sun patterns, rain showers and crosswinds. 69 / 66 °F. 2019 was the island’s driest year since records at the Meteorological Station began in 1977. Wet decade…, Hurricanes, typhoons, tornados & dust storms, It is generally true that we don’t get any of these. It feels like a place that exists in a different era. Such a wind is known as a Trade Wind. How warm is the sea around St Helena & Islands in July? But I have been seeing them from the beach, from my walk up Jacob’s Ladder and even from my office window. {14} There was also an Earthquake on 7th June 1756. The nights stay cool and often dip down into the lower to mid-50s. Airlink works closely with the St Helena Meteorological office and monitors the weather patterns and forecasts long in advance of the departure date up to the day prior to departure. We use cookies to ensure that we give you the best experience on our website. Sod’s Law. That being said, the main wet periods are in March (the ‘Lent Rains’) and August (‘Scruffy August’{7}). The explanation may be something to do with the sun’s movements, which are explained above, but we are not sure. But for this blog ‘four seasons in one day’ isn’t a metaphor it’s the daily reality of winter in St Helena. The rain in Saint Helena falls mostly in the winter, with relatively little rain in the summer. Weather and climate | Copyright © John Turner, www.io-warnemuende.de/en_hix-st-helena-island-climate-index.html, Click here to hear this audio file, or hover on the icon, Article: The remote weathermen charting the climate crisis, Article: Four seasons in one day - Winter in St Helena and El Niño, Article: Stunning Cloud Swirls Spotted by Satellite, www.gaisma.com/en/location/half-tree-hollow.html, randomthoughtssthljt.blogspot.com/2019/01/the-unifying-theory-of-everything.html. The least rain is in November - not, as you would expect, in January or February. Given the importance to St Helena of Fishing we think maybe this image should become part of the national flag. {16} See more blogs. This was good for sailing ships travelling up from the Cape towards Europe, but a challenge for those trying to travel the opposite way (see our page Before Discovery). Your location can be important - Jamestown receives less than 11cm of rainfall per year (only about 5% of the total across the rest of the island); the peaks can receive 102cm. Saturday will see rain fade with some afternoon sunny spells developing, but cloud will build in later. Please also visit St Helens Historical Weather, Weather widget and Weather Charts pages. The temperature can reach 34°C in Jamestown on a sunny day, though you won’t swelter due to the wind. Briefly. 29th June 1756: Council fails to meet due to a large Torrent of water coming down this valley which ran with such rapidity out of its common course that it was not possible to turn it until the Runs abated and therefore it has done great damage to the Fortifications and Plantations as well as to many of the possessions of the Inhabitants. Todays weather forecast, by the hour and long term. World Meteorological Day, on 23rd March, is not widely celebrated on St Helena. The basic model (which underpins the general preconception as per Wiki) is that the sun’s highest point goes up and down in the sky during the seasons. Control the animation using the slide bar found beneath the weather map. Geanimeerde Sint-Helena Weerkaart die de 10 dagen weersverwachting en de huidige weersomstandigheden toont. News & Weather. Wind speeds up to 80Km/h have been recorded but are very unusual. Expect mostly cloudy with light rain in St Helena, St Helena & Islands with a maximum temperature of 18°C, maximum UV of 8 (Very High) and 4 hours of bright sunshine. Weather for 365 On St Helena: Current weather, tomorrows forecast and 15 day forecast for 365 On St Helena in South Africa. Select from the other forecast maps (on the right) to view the temperature, cloud cover, wind and precipitation for this country on a large scale with animation. The best places to view the sunset are the Seaside/The Castle in Jamestown and lower Half Tree Hollow (there’s a good clear view from Rosie’s Bar). The 1850s seem to have been a very wet decade, with many incidents of trouble with rain or the sea{14}: 22nd February 1753: Some very heavy showers of Rain which fell Tuesday last (18th) upon the Hills near Banks’ brought such great and impetuous Torrents of water down that valley as did much damage to the lower Platform there. 8th September 1755: Some very High Surfs have lately washed away the Earth and undermined parts of the Works at Ruperts and done damage to those at the Main Fort. If you understand it maybe you would explain it to us and we’ll reproduce your explanation here. Technical manager and islander Marcos Henry, 58, has been working at the station since leaving school at 16. It never rains… Hypothermia. St Helena & Islands sunrise & sunset times for June 2021. Data is transmitted back to a ground receiver for encoding and onward distribution to the UK MET Office. The highest monthly rainfall in recent years was in February 2011: 120.8mm. Helena’s personal journey, during which she discovered the True Cross, was also a … The following comes from www.io-warnemuende.de/en_hix-st-helena-island-climate-index.html: The Benguela upwelling system in the sub-tropical southeast Atlantic is subject to dramatic inter-annual fluctuations sometimes termed ‘Benguela Niño’ events. Swinging it around, so that it lifts straight up rather than floating across the weather station car park, he is soon watching it jiggle steadily upwards before it disappears into the clouds. 11:15 daily, the Weather Station launches a weather balloon with a small lightweight device known as a Radiosonde. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Helena area. Why is there not enough matter in the universe? Kies om regen, sneeuw, wolken, wind en temperatuur, steden locaties en webcams over te lappen If you’re up for a tricky night climb (or fancy camping overnight!) Mount Saint Helens Weather (Days 0-3): The weather forecast for Mount Saint Helens is: A moderate fall of snow, heaviest on Sat nightFreeze-thaw conditions (max 5°C on Fri night, min -5°C on Sat night)Winds decreasing (near gales from the S on Sat night, light winds from the NW by Sun afternoon). This is one of the reasons{5} why our air-quality is unimaginably high throughout the island. Weather conditions with updates on temperature, humidity, wind speed, snow, pressure, etc. Below: Sun Wind Rain Seasons Expected weather Current weather In more technical terms… Trade Wind or Winds Unexpected weather World Meteorological Day Read More. It’s more like 12. 22. Monthly temperature, precipitation and hours of sunshine. Jamestown or Half Tree Hollow - will be higher and rainfall lower). smh ... Weatherzone makes it easy for you to choose the access level that suits you best from a huge range of weather information and tools unrivalled in Australia. And the weather is very variable; it can be raining in Longwood and sunny in Jamestown, and then an hour later the two can reverse. In summer, the grapevines will be growing fast. Showing: All Year Climate & Weather Averages in Helena. Legislation of St Helena, Ascension & Tristan da Cunha, Corporate HR & Organisational Development, Environment, Natural Resources & Planning, Land Planning and Building Control Division, Draft Immigration Policy 2020 – Final Key Consultation Points, Rupert’s Development Project – Trial Pits In Lower Rupert’s, Bottom Woods West Comprehensive Development Area (CDA) Update, St Helena Ambassador Newsletter – December 2019. The average sea temperature around St Helena, St Helena & Islands in July is 21°C . St Helens, Merseyside, United Kingdom - Monthly weather averages including average high and low Temperature, Precipitation, Pressure, Wind Charts to assist you in planning your travel, holiday or an outdoor activity at St Helens, United Kingdom {6} Which means if you organise a major outdoor event, even in the middle of the dry season, you should anticipate rain. Here are the expected weather statistics for this and the next eleven months (based on recent history): Figures, provided by the St Helena Meteorological Station, are monthly averages taken at the station over the years 2001-2018 (North-west island temperatures - e.g. Sod’s Law. Browse the sunrise & sunset times for St Helena & Islands in June 2021. The Met Office station manager, born in Northern Ireland and now living half a world away from his friends and family in Swindon, is a picture of calm in a drab boiler suit, old ski goggles and a flash hood he jokingly calls his Star Wars outfit. G. C. Kitching claims the lowest temperature ever recorded on St Helena was 46°F in 1898; more recent records show a minimum of 18.6°C. Get the forecast for today, tonight & tomorrow's weather for Saint Helena Bay, Western Cape, South Africa. It’s one of the real treats of living on an oceanic island and something I can’t imagine that I will ever tire of. The sun is directly overhead on or around 5th February and on or around 5th November{8}. Where measurements are required at very high levels in the atmosphere, larger balloons like the ones used on St. Helena are capable of reaching 35km.{g}. {13} Though if the aliens have secretly taken over people’s bodies in preparation for an invasion, nobody has yet noticed. The Met Office has five other operational locations outside the UK (Antarctica, from October to April; Ascension Island and the Falkland Islands in the south Atlantic; Gibraltar and Cyprus), but none as unreachable as this tiny British overseas territory. See also the Closing Humour image (below). ‘Scruffy August’ itself really hasn’t materialised at all, in fact August has been pretty much like August at home, the odd scorcher, the odd cloudy day and the odd spot of rain. The St Helena unit is just one of 190 stations that make up the Global Climate Observing System (GCOS), which is co-run by the UN, Unesco, the International Science Council and the World Meteorological Organisation to monitor activity in the Earth’s upper atmosphere. Bennett says he has little doubt. The towering peak of the island disrupts clouds as they pass overhead, creating swirling patterns called von Karman vortices that can be seen by satellites overhead. 20th January 1755: High surf damages fortifications in several places. Mount St. Helens weather report, historic temperatures and climate info, ... Central Leavenworth is your Bavarian getaway this Spring & Summer! There have been landslides and rock falls, too, he says. 14-day weather forecast for St Helens. More normal temperatures are in the range 20-27°C. The recent weather patterns certainly seem to have not matched past experience, although this is purely anecdotal. It is all to do with solar system mechanics. Very high (90%) chance of showers. Mon Tue Wed Thu Fri Sat Sun; 21. Be prepared with the most accurate 10-day forecast for St. Helena, CA with highs, lows, chance of precipitation from The Weather Channel and Weather.com We cannot explain this apparent contradiction. Sometimes, it is easy to forget the lengths to which meteorologists go to bring us forecasts: telemetry instruments and synoptic codes don’t really figure in the chitchat of TV weather presenters such as Carol Kirkwood and Tomasz Schafernaker. You will see a few days up into the 90s too. randomthoughtssthljt.blogspot.com/2019/01/the-unifying-theory-of-everything.html. Austral winter HIX has a 42% correlation with a remotely sensed SST-derived Benguela upwelling index, called IBU, for the time period 1982-1999. The South Atlantic Anticyclone (SAA) is assumed to be the responsible climatic ‘activity centre’ for the south-east Trade Winds driving the upwelling processes along the Namibian and South-west African coasts. Daytime temperatures usually reach 18°C in St Helena, St Helena & Islands in July, falling to 15°C at night. May is a dry month with an average of 17mm (0.7in) rain. The weather at St Helena is unpredictable especially so given that the airport is built on high ground surrounded by higher terrain and is prone to adiabatic or upslope fog. Of rain in the device allows its location to be dead, it ’ s still nothing as as... Hardly be called ‘ cold ’ some rain and a moderate breeze of 22 kph from balloon! Pipe or leak, then please inform Connect immediately died of Hypothermia my Office window the... 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