Weather Watcher: Weekly Weather - signs of fall

Sunday, August 18, 2013

  • Forecast
  • Pattern change, El Niño / La Niña status
  • Last week's daily high temperatures
  • Last week's data
Forecast: The consensus of most forecasts is leaning towards general morning clouds and afternoon sun with high temperatures topping around the mid 70's - low 80's. We might see some more cloudy days as storms brush by us to the north. Tuesday and Friday-Sunday appear to be the most likely days to be not as sunny.

Pattern change, El Niño / La Niña: We had our first fall-like storm front move through the region Thursday afternoon producing some light but steady rainfall for a period of time. This is the first sign that the hottest peak of our summer weather is over, and we will begin to slowly transition to cooler days, and more mornings with low clouds and fog than we've had.

Fall weather is having a much earlier start this year, making up for our late summer we got away with all the way into October last year. The current El Niño Southern Oscillation status is not active meaning there is neither an El Niño or a La Niña present and neutral conditions continue. The current forecasts released by NOAA expect these conditions to continue through Spring 2014. What does this mean? Expect seasonal weather for the remainder of our summer, fall and winter. We will probably have a few rainy days scattered for the remainder of summer and fall should bring the normal frequency of storms but no unusual wet or dry trends. Temperatures might start to trend slightly cooler than normal as we get into fall.

Last week's daily high temperatures:
Saturday: 80.2°F
Sunday: 73.5°F
Monday: 80.9°F
Tuesday: 81.7°F
Wednesday: 80.5°F
Thursday: 69.1°F
Friday: 86.5°F

Last week's data:
High temperature: 86.5°F (Friday)
Low temperature: 54.9°F (Tuesday)
Total rainfall: 0.08 inches
Warmest day: 68.9°F (Friday)
Coldest day: 63.7°F (Sunday)
Average temperature: 65.7°F (1.3°F warmer than station historic average)
Station historic average temperature: 64.4°F

Warmest and coldest days are based on average temperature of the entire day, starting at midnight. All other 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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