Sun. Aug 19th, 2018

Another decent day – Dry long forecast

  • Vancouver Island Inland Sections Forecast - SPECIAL AIR QUALITY STATEMENT IN EFFECT
    Issued: 9:16 PM PDT Saturday 18 August 2018

    Forecast Issued 4:00 PM PDT Saturday 18 August 2018 - Saturday night: Clear. Local smoke. Low 11. Sunday: Sunny. Local smoke. High 33. Humidex 36. UV index 7 or high. Sunday night: Clear. Local smoke. Low 12. Monday: Sunny. High 34. Monday night: Clear. Low 12. Tuesday: Sunny. High 34. Tuesday night: Clear. Low 13. Wednesday: Sunny. High 24. Wednesday night: Cloudy periods. Low 14. Thursday: Cloudy with 60 percent chance of showers. High 21. Thursday night: Cloudy periods. Low 13. Friday: A mix of sun and cloud. High 20.

  • Current Conditions
    Temperature
    19.3° C
    -1.0 ° C/hr
    Barometer
    101.9 kPa
    0.0
    Wind
    N/A 0.0 km/h
    gusting 0.0 km/h
    Humidity
    67 %
    Rain Rate
    0.0 mm/hr
    Wind Chill
    19.3° C
    Heat Index
    19.3° C
    Dewpoint
    13.0° C
    UV
    0.0
    Solar
    0 W/m2
    Last Updated: 23:00:00 PDT
    Click to Refresh or See All Conditions
  • Day Almanac
    Day's Rain
    0.0 mm
    Day ET
    0.0 mm mm
    Rain Storm
    NotAvailable mm
    Civil Rise
    05:39
    Moon Phase
    First quarter (60% full)
    Civil Set
    21:05
    Day Length
    13:22:59
    Day High
    29.8° C @ 15:23 Tdy.
    Day Low
    11.7° C @ 06:30 Tdy.
    Day High Rain Rate
    0.0mm/hr00:00
    Day High Barometer
    102.42 kPa @ 07:58 Tdy.
    Day Low Barometer
    101.79 kPa @ 19:44 Tdy.
    Day Low Windchill
    11.7° C @ 06:30 Tdy.
    Day High Heat Index
    29.8° C @ 15:23 Tdy.
    Day High Wind Gust
    S 16.3km/h @ 16:05 Tdy.
    Day High Solar Radiation
    1220W/m2 @ 13:26 Tdy.
    Day High UV Index
    7.8 @ 13:25 Tdy.

Was yesterday beautiful or what!? We reached a balmy 18C and stations all over Vancouver Island flirted with the hot spot for BC for the day. No records broken, it was just a very nice, normal spring day.

Today should be pretty good. The clouds should not thicken and threat of rain won’t come until later this afternoon. The showers will turn to rain and make for a pretty damp Thursday.

After that though, we are setting up for another beautiful weekend! So let’s hope for that!

Dry spring

Accuweather updated their long range forecasts yesterday and the end of April and through Mid May is looking nice… But dry.

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I already detailed at the beginning of this month how dry March was around here.

Dr. Jeff Masters also noted the dryness and unusual cold across the United States this morning:

The temperature map is pretty impressive and shows just how cold everything East of the Rockies has been.. And our warmth.

20130417-075909.jpg

Why this strange pattern you ask? Dr Masters notes:

The pattern of warmth in the west and cool conditions in the east was due to the fact that the jet stream was stuck in a large loop that allowed cold air to spill out of Canada into the Southeast U.S., and warm air to flow northward over the southwestern states. We can describe the jet stream behavior using the Arctic Oscillation (AO) Index, which is a measure of pressure patterns across the Arctic. During March 2013, the monthly-averaged AO index reached its most negative March value since records began in 1950.

What does that jet stream pattern look like? Back to Accuweather.

20130417-080210.jpg

…the March 2013 satellite measured temperatures anomalies for the lower troposphere, which clearly shows the well above normal temperatures over northeast Canada, which was under the upper high block and the sweep of colder than normal air being forced underneath the block from north-central Canada down to the eastern U.S. then over into northern Europe. It does not get much more pronounced than that!

And why is that Arctic Oscillation so strongly negative? Suspect #1: Arctic warmth and sea ice loss… Even now at the peak of the ice season, the ice remains extremely thin and fragile and large amounts of scientific resources are being thrown at this immediate mystery.