Wednesday, July 3, 2019

Statewide forecast for Independence Day and beyond

Good news

Current air quality is Good statewide and there are no major fires at present. Atmospheric dispersion is expected to be somewhat OK through the weekend with temperatures, humidities and winds not given to rapid fire growth.

So... I can have a blast with fireworks, right? The atmosphere will self- clean, wont it?
Not so fast! A few things to consider:

  • Fireworks not only cause smoke but are also responsible for starting several new fires - something we can ill afford. This can't be over-stressed: as far as it depends on us, inject as little smoke as possible into the atmosphere and exercise utmost caution with pyrotechnics.
  • Dispersion is "somewhat OK", not fabulous. The self- cleaning cycle will only do so much for us, and we must not overwhelm it with preventable smoke.
  • Smoke from Alaskan fires is at our doorstep, or should I say rooftop, poised to gate crash the 4th of July party. Models are sending mixed messages whether or not some smoke will mix to the surface. The Canadian model suggests light amounts dropping down east of the Cascades.

The last thing we want to wake up to on the 5th of July is a dose of wildfire smoke AND firework smoke, especially when the latter is within our control.

Wishing our readers a happy & safe July 4th!  

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