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Watts Up With That

Roy Spencer

  • UAH Global Temperature Update for April 2021: -0.05 deg. C
    The Version 6.0 global average lower tropospheric temperature (LT) anomaly for April, 2021 was -0.05 deg. C, down from the March, 2021 value of -0.01 deg. C. REMINDER: We have changed the 30-year averaging period from which we compute anomalies to 19…
    - 14 days ago 2 May 21, 1:01pm -
  • An Earth Day Reminder: “Global Warming” is Only ~50% of What Models Predict
    The claim by the Biden Administration that climate change has placed us in a moment of “profound crisis” ignores the fact that the energy policy changes being promoted are based upon computer model simulations which have produced average warming…
    - 24 days ago 22 Apr 21, 6:01pm -
  • UAH Global Temperature Update for March 2021: -0.01 deg. C
    The Version 6.0 global average lower tropospheric temperature (LT) anomaly for March, 2021 was -0.01 deg. C, down substantially from the February, 2021 value of +0.20 deg. C. REMINDER: We have changed the 30-year averaging period from which we comput…
    - 44 days ago 2 Apr 21, 1:45pm -
  • UAH Global Temperature Update for February 2021: +0.20 deg. C
    The Version 6.0 global average lower tropospheric temperature (LT) anomaly for February, 2021 was +0.20 deg. C, up from the January, 2021 value of +0.12 deg. C. REMINDER: We have changed the 30-year averaging period from which we compute anomalies to…
    - 74 days ago 3 Mar 21, 1:26pm -
  • A Tribute to Rush Limbaugh
    As most you you know by now, Rush Limbaugh’s death from cancer was announced this morning. I suspected he would work right up to the end, and we would learn of his death when we least expected it. That was just Rush. I don’t know when I started l…
    - 87 days ago 17 Feb 21, 9:20pm -
  • Urban Heat Island Effects on U.S. Temperature Trends, 1973-2020: USHCN vs. Hourly Weather Stations
    SUMMARY: The Urban Heat Island (UHI) is shown to have affected U.S. temperature trends in the official NOAA 1,218-station USHCN dataset. I argue that, based upon the importance of quality temperature trend calculations to national energy policy, a ne…
    - 94 days ago 11 Feb 21, 6:37pm -
  • UAH Global Temperature Update for January 2021: +0.12 deg. C (new base period)
    The Version 6.0 global average lower tropospheric temperature (LT) anomaly for January, 2021 was +0.12 deg. C, down a little from the December, 2020 value of +0.15 deg. C. NOTE: We have changed the 30-year averaging period from which we compute anoma…
    - 2 Feb 21, 5:03pm -
  • Could Recent U.S. Warming Trends be Largely Spurious?
    Several lines of evidence suggest observed warming trends are not nearly as large as what you have been told. It’s been almost eight years since I posted results on my analysis of the global Integrated Surface Database (ISD) temperature data. Despi…
    - 29 Jan 21, 5:20pm -
  • Biden to End Fossil Fuel Subsidies: Like the Paris Agreement, it Will Make No Difference
    In what appears to be a never-ending string of ineffective efforts to force the public to use expensive, unreliable, intermittent, and not-widely-deployable renewable energy, the Biden Administration is issuing an executive order that (among other th…
    - 27 Jan 21, 4:19pm -
  • Canada is Warming at Only 1/2 the Rate of Climate Model Simulations
    As part of my Jan. 19 presentation for Friends of Science about there being no climate emergency, I also examined surface temperature in Canada to see how much warming there has been compared to climate models. Canada has huge year-to-year variabilit…
    - 21 Jan 21, 6:51pm -

Reddit Weather Feed

American Meteorological Society

University of Reading

  • April Flowers – A story of bluebells and frosts
    By: Pete Inness Figure 1: Bluebells in a wood near Reading on the 16th of April 2020 (left) and the same date in 2021 (right). In 2021 the flowers are yet to emerge and there are no leaves on the … Continue reading →
    - 6 days ago 10 May 21, 5:08am -
  • Some thoughts on future energy supply, such as an “Instantaneous Energy Market”
    By: Peter Cook We all know that it’s time to stop using fossil fuels, due to the greenhouse gasses emitted and the finite amount of these fuels.  Many renewable sources of energy are now being adopted but a lot of … Continue reading →
    - 13 days ago 3 May 21, 5:58am -
  • TerraMaris: Plans, Progress And Setbacks Of Atmospheric Research In Indonesia
    By: Emma Howard  To some of us weather enthusiasts, there’s nothing more exciting than a good tropical thunderstorm. For the best storms, you need a good source of humid air from a warm ocean and a hot land surface. If … Continue reading →
    - 20 days ago 26 Apr 21, 5:25am -
  • Pacific and Atlantic Conversations
    By: Daniel Hodson The Earth is a world of water – oceans spread out across much of the planet and they exert a profound influence over the climate. Ascending from the Earth, the churning waves and surf shrink away and … Continue reading →
    - 27 days ago 19 Apr 21, 5:43am -
  • Satellite data used to provide life-saving weather forecasts in tropical Africa
    By: Peter Hill Much of the population of tropical Africa are vulnerable to severe weather, often caused by intense storms that can generate heavy rainfall, strong winds and flooding. For instance, thousands of fishermen drown each year in Lake Victor…
    - 55 days ago 22 Mar 21, 5:17am -
  • Flood forecasting for the Negro River in the Amazon Basin
    By: Amulya Chevuturi Figure 1: Photograph of the Negro River and the Amazon rainforest. The Amazon is the largest river basin in the world, with large free-flowing rivers, draining about one-sixth of global freshwater to the ocean. The Amazonian flo…
    - 62 days ago 15 Mar 21, 8:10am -
  • Can We Use Artificial Intelligence To Improve Numerical Models Of The Climate?
    By: Alberto Carrassi Numerical models of the climate are made of many mathematical equations that describe our knowledge of the physical laws governing the atmosphere, the ocean, the sea-ice etc. These equations are solved using computers that “see…
    - 69 days ago 8 Mar 21, 5:28am -
  • Putting a 120-Year-Old Barograph To The Test

    - 76 days ago 1 Mar 21, 5:24am -
  • Using deep learning to observe river levels using river cameras
    By: Sarah Dance In recent times, machine learning is being increasingly used to make sense of digital data. In environmental science, we are only at the beginning of this journey (Blair et al 2021). However, we have already found one … Continue rea…
    - 90 days ago 15 Feb 21, 5:50am -
  • Why do clouds matter when we measure surface temperature from space?
    By: Claire Bulgin We can use satellites up in space to measure the surface temperature of the Earth over the land and sea.  Satellites have now been making measurements for 40+ years and these data are really helpful for understanding … Continue r…
    - 97 days ago 8 Feb 21, 5:45am -

Met Office

  • Rainy and cool May so far 
    A sodden start to May has already sent large parts of the UK to within touching distance of their average rainfall for the month, with Wales having seen at least 25% more rain than would be expected over the course of the whole month.   … Con…
    - 2 days ago 14 May 21, 12:01pm -
  • Frostiest April for at least 60 years in UK
    April 2021 has provisionally been the frostiest in at least 60 years for the UK, topping the previous frostiest April in 1970, with records going back to 1960.   April 2021 has already seen an average of 13 days of air frosts reported for the…
    - 19 days ago 27 Apr 21, 1:35pm -
  • More changeable weather likely for bank holiday weekend
    Contrary to some media reports, the early May bank holiday weather is likely to be more changeable than recently, with showers and cool temperatures for most of the UK instead of the clear sunny skies of recent days.  As April draws to a close…
    - 20 days ago 26 Apr 21, 1:29pm -
  • Climate Data Challenge – working in partnership for innovation
    As Governments, organisations and individuals around the world seek to tackle the challenges of climate change, creativity and innovation are key to finding ways to improve our resilience to weather and climate. Our scientists work at the forefront o…
    - 44 days ago 2 Apr 21, 11:18am -
  • Records broken as temperate end to March offsets earlier cold spell
    March 2021’s overall provisional climate statistics show a 0.9°C average temperature increase from 1981-2010 national averages for the month, as some high temperatures during the latter part of the month saw several stations break their…
    - 45 days ago 1 Apr 21, 4:25pm -
  • What kind of temperature swings are ‘normal’ in UK spring?
    With forecasters predicting a marked shift in temperatures in the coming days, here we take a look at how commonplace temperature fluctuations are during a typical UK spring. It’s certainly not uncommon for spring in the UK to see big … Continue…
    - 46 days ago 31 Mar 21, 12:19pm -
  • Atmospheric carbon dioxide passing ‘gloomy’ milestone

    - 61 days ago 16 Mar 21, 4:00pm -
  • Did the weather fuel climate-changing forest fires in the Amazon in 2019?
    In 2019 there was a sudden spike in Amazon fires that captured the world’s media attention. Between them the blazes destroyed 906,000 hectares of rainforest – an area larger than the island of Corsica. The thousands of fires produced around … C…
    - 65 days ago 12 Mar 21, 9:24am -
  • Scottish Flood Forecasting Service marks 10th Anniversary
    The Scottish Flood Forecasting Service (SFFS) is today (Tuesday 9 March) marking a decade of supporting Scotland’s preparedness and response to flooding. Staffed around the clock 365 days a year, the service has been combining hydrological and mete…
    - 68 days ago 9 Mar 21, 12:08pm -
  • Record low temperature for the UK this millennium
    Overnight the recorded minimum temperature at the weather station at Braemar dropped to -23.0°C, one of three stations in the UK to dip below minus 20.0°C. With the media reporting on the ‘extreme’ conditions, we have analysed our records since…
    - 94 days ago 11 Feb 21, 2:35pm -