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Category: EPO
Permanent link to this article: https://indywx.com/video-weekend-update-and-more-epo-talk/
Aug 14
Changes Afoot…
Month-to-date, a negative EPO (East Pacific Oscillation) has dominated. The result has been for a cooler regime across the central into the interior Northeast.
That said, big changes are taking place with the EPO and it’s set to swing strongly positive as we head into the 3rd and 4th week of the month.
This correlates to a MUCH warmer/ hotter pattern across not only our portion of the country, but a large chunk of the Lower 48.
To no surprise, we see a building heat wave showing up on the medium to long range models with more consistency beginning this weekend, continuing into next week. This is the type regime that can lead to lows in the lower 70s and highs in the lower 90s for several consecutive days.
How long does the warmer pattern last? It’s all up to the EPO. As long as that baby stays positive, bet on the warmth.
Permanent link to this article: https://indywx.com/changes-afoot/
Aug 07
VIDEO: Short-Term Severe Threat; Looking Ahead To Late August…
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Aug 02
VIDEO: “Hint” Of Fall Served Up Later Next Week…
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Jul 27
A Different Kind Of “Dog Days” This Year…
Late July and August have been known to produce some serious heat around these parts from time to time. However, it continues to look like this will not be the case this year.
We’ve already discussed the impacts of the negative EPO. (By the way, modeling continues to take the EPO even more strongly negative with every passing update). This supports the cooler idea we have for early August.
Now we see the PNA forecast to trend more positive through the better part of early August. This, too, supports the cooler pattern that will be with us through the period.
It should come as no surprise to see the models trend stronger with the eastern trough in the Weeks 2-3 time period. This period will likely feature a couple of strong frontal passages that serve as a reminder that the fall season is just around the corner.
Note the latest GEFS deepen the trough from the Day 5-10 period to Days 10-15.
Not only will this serve to provide a rather lengthy period of cooler than normal temperatures through the 1st half of August, but should also help inject wetter conditions to boot (in large part due to the frequent nature of frontal passages).
At a time of year that can feature brutal periods of heat and/ or dry conditions, it sure continues to be the exact opposite this year!
Enjoy your Saturday, friends!
Permanent link to this article: https://indywx.com/a-different-kind-of-dog-days-this-year/