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Permanent link to this article: https://indywx.com/2023/08/10/video-thursday-morning-rambles-highlighted-by-continued-wet-pattern-and-potential-early-frost-risks-this-autumn/
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Permanent link to this article: https://indywx.com/2023/08/09/severe-weather-and-localized-flooding-threat-another-one-of-those-days-to-remain-weather-aware/
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Despite a few light morning showers, our Sunday will feature dry conditions through the remainder of the daylight hours along with increasing sunshine. The disturbance responsible for Saturday’s severe weather and unsettled conditions is on the way east while we wait a new potent disturbance on deck from the west. Unfortunately, this second disturbance has eyes set on our region tonight and will pose a dangerous overnight severe weather risk.
All modes of severe weather will be possible, including damaging winds, large hail, and a couple of quick spin-up tornadoes. It wouldn’t surprise me if a portion of the current ‘Slight Risk’ area is upgraded to an ‘Enhanced Risk’ across southern IN in future SPC (Storm Prediction Center) updates this afternoon.
From a timing standpoint, storms should approach western Indiana towards 10p, or so and then continue to advance east, southeast into the late evening and overnight hours.
Discrete cells may try and organize into more of a congealed line as we push closer towards midnight and, as such, the threat of a damaging wind event will become the eventual primary concern as we move through the early Monday morning hours across the southern half of Indiana.
Before heading to bed this evening, be sure to have a means of getting the latest warning information as there will likely be multiple warnings issued late this evening and into the early portion of the overnight.
Quieter (albeit briefly) weather conditions will return as we move through the first couple days of the new work week.
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Heavy rain and localized flooding impacted far southwestern Indiana overnight and this morning. With that said, all will remain quiet on the home front today.
The quiet times will begin to change as we flip the page into the weekend. Scattered storms will fire up Friday afternoon and evening and this will set the tone for a more unsettled regime as we move through the upcoming 6-10 days as a whole (noted by image 2 below).
After dealing with scattered storms Friday afternoon, we anticipate a more widespread rain and storm complex to roll into central Indiana Saturday evening into Sunday morning.
This will likely be followed up with another round of scattered to numerous showers and storms Sunday evening into Monday morning.
The active times won’t stop there as additional heavy rain and storms will rumble across the Ohio Valley and central Indiana into the middle and latter part of next week.
This unsettled and wet theme is all part of the overall pattern expected to carry us through the bulk of the last month of meteorological summer. Certainly a far cry from the dry, hot Augusts of years past.
More later tonight or Friday morning around the long range pattern, including updated thoughts on meteorological fall.
For the 3rd consecutive morning, many central Indiana communities are starting the day in the 50s. – Not bad at all by late July or early August standards if you ask me.
We’ve already reviewed the favorable teleconnections through mid month and while we’ll continue keeping close eyes on the MJO (it’ll want to join the party eventually), through the next couple weeks, it doesn’t look like it’ll have much, if any, influence on the pattern.
Data the past couple of days has trended cooler and wetter through mid-month. After a quiet open to August (our neighbors across southwest Indiana won’t say the same), the pattern will take a renewed active turn late week.
You know the drill by now: this all has to do with the ‘mean’ ridge position, or hot dome.
Note how the upper air pattern evolves from Day 1 (below) to mid-month.
The bottom line over the next couple weeks is that we shouldn’t see any excessive heat (seasonal to slightly cooler than normal) and an increasingly wet time of things as the region will be in a favorable northwesterly flow aloft.
It sure appears that the 3rd and final month of meteorological summer will close on a rather busy note, but without much in the way of uncomfortable heat.
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