The Pacific Ocean provides abundant moisture, causing frequent precipitation west of the Cascade Mountains that is orographically enhanced in some places. AgWeatherNet 2019 Washington Weather Year in Review Craig Oswald, Field Meteorologist, 509-786-9256 Joe Zagrodnik, Postdoctoral Research Associate. Most of Washington’s precipitation falls during the winter months and the Cascades can receive upwards of 400 inches of snowfall annually. SpaceX : la météo sera-t-elle favorable au lancement de Falcon 9 ? The following table lists the highest and lowest temperatures recorded in the 50 U.S. states, the District of Columbia, and the 5 inhabited U.S. territories during the past two centuries, in both Fahrenheit and Celsius. Monthly: 1981-2010 normals

Monthly averages Seattle Longitude: -122.332, Latitude: 47.6062 Average weather Seattle, WA - 98101.

Climate of the Northwest U.S., NOAA Technical Report NESDIS 142-6, 75 pp.

Our interactive map allows you to see the local & national weather Washington State Weather Forecasts. Les données sur la météo: température, pluie/neige, vent, humidité, pression,... pour Washington The following table lists the highest and lowest temperatures recorded in the 50 U.S. states, … Additionally, drier summers, along with higher temperatures and earlier melting of the snowpack, would tend to increase the frequency and extent of wildfires.

The number of very hot days (days with maximum temperature above 95°F) has been quite variable, with numbers well above average occurring in the first decade of the 21st century, but below average numbers occurring over 2010–2014 (Figure 2b). Dokken, B.C. The driest 5-yr period on record was 1926–1930 with an annual average of 34.6 inches while the wettest was 1995–1999 with 51.0 inches.

Home. This will increase the proportion of precipitation falling as rain instead of snow, leading to less snow accumulation during the winter.

Color Maps of Climate Data; Line Graphs of Long-term Averages & Recent data; Raw Data; Wind Rose Plots; Office of the Washington State Climatologist. Brouillard se dissipant lentement, puis éclaircies. In the summer, temperatures … Washington has not experienced any long-term trend in the number of extreme precipitation events (Figure 2d). Under a higher emissions pathway, historically unprecedented warming is projected by the end of the 21st century (Figure 1). Station Data. [, Snover, A.K, G.S. Average daytime temperature reaches marks of 32 to 68 °F (17-20 °C). Under a higher emissions pathway, historically unprecedented warming is projected by the end of the 21st century. This will further decrease water availability during the already dry summer months and increase the risk of spring flooding due to earlier spring peak flows. Increasing temperatures raise concerns for sea level rise in coastal areas. As sea level has risen along the Washington coastline, the number of tidal flood days has also increased, with the greatest number occurring in 2010–2011 (Figure 6). Rising temperatures will lead to earlier melting of the snowpack, which plays a critical role in spring and summer water supplies.

Annual precipitation exhibits wide regional variations across the state. It is projected to rise another one to four feet by 2100 as a result of both past and future greenhouse gas emissions due to human activities (Figure 5). Elle va générer un épisode de fortes pluies sur les Cévennes alors que le vent soufflera en tempête dans plusieurs régions. 267-301. Easterling, D.W. Fahey, S. Doherty, J. Kossin, W. Sweet, R. Vose, and M. Wehner, 2018: Our Changing Climate. PROVISIONAL DATA SUBJECT TO REVISION--- Predefined displays --- Group table by. [, NAS, 2012: California sea level projected to rise at higher rate than global average; slower rate for Oregon, Washington, but major earthquake could cause sudden rise, published June 22, 2012, retrieved January 5, 2017, National Academy of Sciences. Higher spring temperatures will also result in earlier melting of the snowpack, with average snowpack projected to decline by up to 70% by the end of the 21st century.

Rainfall is expected to be the dominant form of precipitation across the majority of the state by the end of the 21st century. Select a Washington city/area for current conditions and seven day weather forecast. At June weather of the state gradually improves. Long Beach Marysville Oak Harbor Olympia Pasco Port Angeles Pullman Redmond Renton. Easterling, K.E.

*Also on earlier date or dates in that state or territory, Canadian provincial and territorial temperature extremes, CS1 maint: BOT: original-url status unknown (, "State Climate Extremes Committee (SCsEC)", "It's Official, Colorado's 'Wild Weather Year' Sets New High Temp And Hailstone Records", "Some Errors in the NCDC U.S.A. State Weather Extreme Records Data: Part 2", https://www.washingtonpost.com/blogs/capital-weather-gang/post/washington-dc-ties-record-high-of-101/2012/06/29/gJQAiiRmBW_blog.html, https://web.archive.org/web/20101231041158/http://www.erh.noaa.gov/lwx/winter/DC-Winters.htm, "Some Errors in the NCDC U.S.A. State Weather Extreme Records Data: Part 1", "Memorandum - Illinois State Record Minimum Temperature at Mt. Observed temperatures are generally within the envelope of model simulations of the historical period (gray shading). However, there is a large range of temperature increases under both pathways, and under the lower pathway, a few projections are only slightly warmer than historical records (Figure 1).

Whitely Binder, M. Krosby, and I. Tohver, 2013: Climate Change Impacts and Adaptation in Washington State: Technical Summaries for Decision Makers. Updated Washington State weather maps.

[, NOAA, cited 2016: Climate of Washington, National Oceanic and Atmospheric Administration. Climate Data . Global Change Research Program, Washington, DC, USA, pp.

History of Pacific Northwest Heat Waves: Synoptic Pattern and Trends. Click to hide state-specific text. Les 13 colonies britanniques proclament la Déclaration d'indépendance en 1776 et adoptent leur première constitution en 1787. Les conditions météo se dégradent fortement à partir d'aujourd'hui en liaison avec la dépression Barbara. Mauger, L.C. Narrative   Wuebbles, D.R. Portions of the Olympic Peninsula receive upwards of 150 inches of precipitation annually, while annual totals average less than 10 inches along the Columbia River in eastern interior Washington. If two dates have the same temperature record (e.g. These data help us to determine and analyze temperature trends and determine whether streams meet state minimum and maximum standards to support aquatic and environmental health. L'immensité du territoire produit des climats extrêmement variés : au Sud un climat tropical ponctué de cyclones, au Nord un climat continental, sur le pacifique un climat méditerranéen et à l'Ouest un climat aride et désertique. Dobson, 2013: Regional Climate Trends and Scenarios for the U.S. National Climate Assessment. Projected increases in heavy rainfall events by mid-century could further increase flood risk. Kunkel, K.E, L.E. Wildfires during the dry summer months are of great concern, and the frequency of wildfire occurrence and severity is projected to increase in Washington. Drier conditions during the summer could increase reliance on diminishing snowmelt for irrigation. Future heat waves, particularly an increase in the frequency of hot nights, could stress these communities, which are not well adapted to such events.

In: Climate Science Special Report: Fourth National Climate Assessment, Volume I [Wuebbles, D.J., D.W. Fahey, K.A. Wehner, 2017: Temperature changes in the United States. Snowpack in the mountains provides an important source of water during the drier summer months (Figure 4).

Temperature increases will affect basins with significant snowmelt contributions to streamflow. Overview This review will be a recap of Washington State's 2019 weather and provide a look at some of the average and extreme weather conditions experienced this year and how they compare to climatology.

In summer, we continuously log stream temperatures at 30-minute monitoring intervals at most long-term and basin ambient monitoring stations. Vose, R.S., D.R.

; Recent temperature and precipitation data compared with compared to normal over the last 30, 90, or 365 days at 4 Washington locations from CPC. Maycock (eds.)]. Its climate varies widely from the western to the eastern parts of the state due to the physical barrier of the Cascade Mountains.

Since 1990, the state has seen below average numbers of very cold nights (nights with minimum temperature below 0°F) and below freezing days (days with maximum temperature below 32°F) (Figure 2a).

Carroll", "UNITED STATES EXTREME RECORD TEMPERATURES & DIFFERENCES. Statewide annual precipitation has ranged from a low of 26 inches in 1929 to a high of 54.95 inches in 1996. Precipitation falling as rain instead of snow can have negative impacts on critical industries, such as the timber and agricultural industry, which are also vulnerable to extreme temperatures.Wildfires during the drier summer months are of particular concern. Golden Gate Weather Services. Part 6. Il signifie, *3201 : Prévisions pour la France - 2,99€ / appel. Current Conditions for Washington: Water Quality -- 107 site(s) found. Aberdeen Auburn Bellevue Bellingham Ellensburg Everett Federal Way Kennewick Kent Kirkland. Mean annual temperature has increased approximately 1.5°F since the beginning of the 20th century. Projected rising temperatures will raise the elevation of the snow line in the mountains.

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