Category: Rain

12/28/20 Weather Bulletin: Dry, Chilly Weather Monday-Tuesday; Questions Abound With Our NYE Storm…

Pre-Dawn High; Sunshine Returns…Our high temperature Monday will take place right after midnight for most of central Indiana. Daytime temperatures will remain steady in the low-mid 30s for most of the region as clouds slowly give way to a return of the sunshine. This is all thanks to a cold front that slipped southeast across the state last night. (Same boundary that helped generate some light showers across the region Sunday evening).

High pressure will continue to dominate our area Tuesday, but “trouble” lurks off to the west. Clouds will begin to increase during the 2nd half of the day and a few light showers (potentially mixed with snow across northern parts of the state) will arrive on the scene late in the evening as a warm front lifts north.

Midweek will feature unsettled weather conditions, but there are more questions than answers currently and fine tuning will take place over the next 24-48 hours. Solutions currently range from mild/ wet to a mixed bag, including ice and snow. In short, stay tuned… The one constant that remains is that this will be a more significant storm for central and western portions of the OHV than our Christmas Eve event. That said, details pertaining to precipitation type/ amounts are anyone’s guess from this point.

Chilly, dry conditions will return by the weekend.

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VIDEO: Tricky System Dialed Up To Close Out The Year…

We’re tracking a complex storm system to close out the year. Unlike it’s predecessor, I think central and western portions of the OHV are at an increased risk of wintry…

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VIDEO: Walking Through The Pattern To Close Out The Year And Open Up 2021…

From our home to yours, we wish you a very merry Christmas and a joyous holiday season!

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Long Range Update: Merry Christmas Eve From Our Home To Yours…

Right off the bat, the theme we want to drive home is that while active, the pattern ahead isn’t overly cold. Cold enough, at times, to create some wintry “fun and games?” Absolutely, but we’re not forecasting a widespread period of sustained cold over the next few weeks.

While the teleconnections favor durable cold from an AO/ NAO perspective…

…the EPO isn’t as favorable, and will likely present some warmer times in between the colder shots.

As it is, note how the blocking really matures from Week 1 to Week 2.

Week 1
Week 2

Undoubtedly this will force a stormy period into (at least) the first half of January. At times, initially, Great Lakes cutters are possible, but as we get closer to NYE and into the 1st week of January, itself, I think that’s the window that we really need to focus on for the potential of 1, if not 2, OHV winter storm threats.

The longer range, weekly models are trending in an interesting direction for the 1st full week of January, “marrying” the moisture with the cold, locally.

CFSv2

Precipitation
Temperatures

The JMA Weeklies are also intriguing from an upper air perspective (very similar to what the other ensemble data shows for the similar time frame).

While we’re not ready to unveil our January Outlook just yet (that will come next week), I think we’ll need to start keeping a closer eye on the MJO by the middle and latter part of the month. As things stand now, it appears we may sneak into Phase 2 to open the month (favors cold, locally) before potentially getting into a milder Phase 3 towards the end of the first week.

As things stand now, once the brief arctic intrusion gets out of here this weekend, temperatures will go into a “yo-yo” mode next week as (2) storm systems impact the area between Sunday and Wednesday. The date to keep a closer eye on for potential wintry impacts is more towards Jan. 2-4 time frame as the blocking gets into better position/ matures.

We’ll be back with a video update later today. Until then, Merry Christmas Eve from our family to yours.

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VIDEO: Short-Term Update As The Arctic Front Blows Through The Region…

A skinny line of showers/ embedded thunder pose a brief heavy rain and wind threat towards 9p-11p (west to east). We also look at fresh data for Christmas…

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