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significantly change the state of the deep waters of the Baltic are rare. Prerequisites The complete context for an extreme inflow is still not completely clear but the following factors all play a role The water level for Kattegat and the Baltic sea The salinity and temperature of the Kattegat water Long Last updated: Apr 23, 2014

distributed as interactive web pages, reports, software, files or scientific articles dependent on the receiver. Most parts of the operational production is automated, such as storage of real time data and computation of forecasts. Computations are made on office PCs, SMHI servers, at the super computer Last updated: Jun 26, 2024

Global warming directly affects water in the atmosphere and on land. An intensification of evaporation lifts moisture from the surface to the atmosphere where clouds grow larger and lead to increasing total precipitation. Even though the global precipitation rate is increasing, the local and intra-seasonal Last updated: Nov 18, 2020

daily forecasts for water supply are reported as Gwh, gigawatt hours. The information is crucial for industry actors, not least in Norway and Sweden, where the hydropower industry is very large. Are you coming to E-World Energy Last updated: Feb 01, 2019

south. Snow and soil Increasing from 18 to 20 TWh, which is 2 TWh higher than the seasonal norm. Inflow The inflow between 80 and 100 GWh/day is just above normal (70). Hydrologist's inflow forecast w 3 550 GWh w 4 650 GWh We will present SMHI Hydro at E-world 2018 ,se below SMHI hope to meet you at Last updated: Jan 31, 2018

List of latest publications and reports from the SMHI Meteorological research group. . Last updated: May 17, 2021

climate).  We will also assess how more detailed information on uncertainties can be merged to already available information. In Sweden, this includes recently published reports with regional climate change assessments of a set of climate indexes based on RCP4.5 and RCP8.5 for each of Sweden´s 21 counties Last updated: Nov 20, 2023

nrådet ~ ( 1973) SMHI Ra1)1Jorter $ NiE'I'E0R0L0GI OCJ-I ICLIIv'.f.i\~POLOG-I ( RJ\1IC) T ho m p son, T 9 U din, I, och Om st ed t, A, Sea surface temperatures in waters surrounding Sweden. ( 19Tl,) Bod in, S, Development of an unsteady atmospheric boundary t.ayer model. ( 19~( 4) RMK_2..pdf Last updated: Jun 05, 2019

programmes . In this report an one - dimensional numerical boundarylayer model is derived and numerical simulations of boundary layer data from Australia and Finland are presented and discussed. The model, which is the first step towards a three-dimensional model, is based on the so-called Gutman approach Last updated: Jun 05, 2019

Heavy snowfall, in particular in combination with heavy winds, requires extra efforts to keep the railways open and operating. Freezing precipitation close to sea areas where salt can accumulate on the power lines often creates serious problems for railway traffic. SMHI provides customised weather Last updated: Oct 24, 2022