WeatherWatcher: Weekly Report, slight change ahead

Sunday, November 24, 2013

  • Forecast
  • Cold blocking pattern
  • Graphs
  • Last week's data
Forecast: Monday will be a repeat of Saturday and Sunday, with low temperatures near freezing and highs near the mid 40's. Tuesday - Friday we will have some clouds brush by to the north of us, some of them might produce a rain shower here and there. Bigger changes are on the way for next weekend, with a return to our normal rainy weather.

Cold blocking pattern: This fall has had short but very stormy spells between high pressure blocking patterns. Most of October was in a fog due to a blocking high pressure, and we are once again in the middle of another high pressure blocking pattern. Only this time it is much colder due to falling later in the year and being influenced by modified Arctic air from Canada. Last week we had our first below 30°F temperatures that we've seen since last spring. Our coldest high temperature day was Wednesday and Thursday tied, both a high of 38.8°F, with 3 nights last week below freezing.

Wednesday Low: 29.7°F
Thursday Low: 27.0°F
Friday Low: 29.1°F
Saturday the 23rd Low: 30.7°F


Last week's data:
High temperature: 51.4°F (Tuesday)
Low temperature: 27.0°F (Thursday)
Rainiest day: 0.39 inches (Tuesday)
Total rainfall: 0.51 inches
Warmest day: 48.6°F (Tuesday)
Coldest day: 32.2°F (Thursday)
Average temperature: 39.9°F (3.6°F colder than normal)
Station historic average: 43.5°F

Averages are based on the whole week, starting Saturday morning at midnight. All weather data unless otherwise noted is sourced from Carl's Weather Station located in the Echo Lake neighborhood of Shoreline, Washington. For up to the minute weather conditions and historic data, as well as links to weather information and resources, check out my page.

Follow me on Twitter: @SWeatherWatcher for any updates on weather events approaching our area.


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