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Pastimes : Bridging weather and climate -- Ignore unavailable to you. Want to Upgrade?


To: weatherguru who wrote (11)1/28/2015 2:52:39 PM
From: weatherguru1 Recommendation

Recommended By
TideGlider

  Respond to of 270
 
Accuweather is on board.
accuweather.com

A little insight into blown forecasts (I'm keeping this simple). In meteorology, these low pressure systems on weather maps advect cold air to the south and warm air to the north. It's called baroclinic energy conversions, and it eases potential energy. Because the Earth spins, the process of lowering potential energy actually deepens the storm...however there needs to be a proper three-dimensional alignment of upper-level and lower-level waves for this to happen. Call it constructive interference. If the waves at different levels line up properly along a front...BAM! More can go wrong than right, and things fizzle. It's tough. There are many degrees of freedom in the atmosphere.

Whether or not something happens with the "tropical plume", we'll see. It's exciting for me to see the potential set-up. Meteorologists want to see the dynamics in action, of course never wishing harm on anyone. However I know it makes us look bad to get excited about a set-up and then have it fizzle. Alas. At least sports anchors make us look good with their predictions :)



To: weatherguru who wrote (11)2/2/2015 2:06:15 PM
From: weatherguru  Read Replies (1) | Respond to of 270
 
Trying to study things. This is tough. It's like a fight between 2 regimes, which I suppose means volatility.

Cali is set up for the "pineapple express". I hope they get lots of rain to fill reservoirs and snow in the mountains. I'm sure there'll be flooding and mud slides, and I hope the best on not impacting structures too much. It's a reservoir of atmospheric moisture slamming the west coast of North America. Pretty amazing.

East coast. Geez. It's Groundhog's Day. Like the movie, deja vu. A storm this week + solar flare, where a solar flare deepens the low. Add another Arctic front out of Canada + a moisture plume (now in Mexico, just south of Texas) = another nor'easter this Thurs/Fri (Feb 6/7).

If you think that's it. No. From San Francisco to Juneau, saturation. This creates embedded waves that can form nor'easters. There should be another nor'easter OR Great Lakes snow storms ~Feb 10. Geez.

One storm comes and goes, and this sets up the gradients for the next. Thus, seeing what a second one does after the first is tough. Good luck northerners! I'm still swimming outside in Florida :)