Category: Forecast Discussion

Hot, Drier Pattern Awaits…

We’ve been relatively spoiled so far this summer- both in regards to temperature and precipitation.  That said, as we approach the second half of July, things appear to be changing for the hotter and drier side of things.

July, so far, has been very pleasant, locally.  BTW- another push of drier air is inbound that should lead to a nice weekend, including low humidity values.

1Ensemble data continues to suggest that the mean ridge position (hot dome) develops over the eastern portion of the country early next week before slowly retrograding northwest with time.

2By the middle and latter portions of next week, the hot dome is set up in a position that will yield an extended stretch of hot temperatures across the state, including multiple mid-90 degree highs across central IN.

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4Given the current look of the ridge position, this would also be a rather dry pattern, as well, as the storm and rain track would shift north across the Canadian border into the northern Great Lakes states.  (Follow that 588 line above for a good indicator of the storm track).

gfs-ens_apcpna_us_8One always has to be careful in trying to predict the timing of the ridge breaking down/ overall placement this time of year (models can struggle), but for now it appears as if we really heat things up and dry things out as we move through next week- especially the middle and latter portions of the week.

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Monday Morning Video Update…

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Friday Morning Rambles…

1.) We’ve got another warm, humid day dialed up and as a cold front moves in this afternoon, scattered strong to severe storms are possible.  We think east-central Indiana stands the greatest threat at experiencing a severe storm later this evening.

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12.) The aforementioned cold front will sweep through the state tonight and allow a much drier and cooler air mass to push in for the weekend.  We’ll enjoy a downright pleasant feel this weekend, including lots of sunshine.  Enjoy!

33.) Dry weather should continue into early next week, but wet and stormy weather will return as early as Tuesday, continuing into the latter portions of the week.

gfs_mslp_pcpn_frzn_us_16This is the start of what should be a rather wet period for mid and late month.

gfs-ens_apcpna_us_64.) This is also a continued “transient” pattern through the end of the month, meaning we really don’t see any sort of sustained dry, hot weather in the foreseeable future…

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Thursday Morning Video Update…

Severe potential is there tonight, but how does convection to our west during the day impact the situation downstream (locally) for tonight?  We’re monitoring closely, but for the purpose of…

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Entering A Stormy Period…

We’re enjoying quiet times across Indiana this evening, but times are quickly changing to put us into a stormy position between Wednesday morning and wrapping up the work week.

While the overall pattern is an easy one to label from a broad scale perspective as “stormy,” the precise details are incredibly difficult to pin point much more than 12-24 hours in advance.  With that said, most of the state is very much in fair game for periods of storms (generally tracking in a NW to SE fashion) between now and the end of the work week.  Eventually, drier air will set us up for a very pleasant weekend, including lots of sunshine and cooler temperatures.  In fact, latest data still suggests we can expect to wake up to the 50s Sunday and/ or Monday morning(s).

Before we enjoy the pleasant weekend weather, the first of a series of storm complexes will approach Wednesday morning.  Mesoscale Convective Complexes (MCCs) can be a true pain for short-term modeling to handle, but the overall idea this evening is for the first of (2) complexes to impact parts of the region Wednesday morning.

This is an idea what the radar may look like around 9a.  This would be the same complex that will deal quite the blow to portions of the eastern Plains and upper Mid West tonight (localized damaging straight line winds will be an issue to our NW).  Thankfully, we expect weakening of this complex as it dives off to the SE, in our general direction.

hrrr_ref_indy_16We’ll go through a quiet period during the afternoon hours before a second surge of storms takes aim on the region tomorrow night into Thursday morning (again, understanding we’ll have to “sure up” timing as we go).

hires_ref_indy_40Additional storm complexes will follow Thursday into Friday before that drier air gets here.  Some of these could be strong to severe.

While rainfall amounts won’t be uniform, there’s the potential for some neighborhoods to get 2″-3″ of rain between now and week’s end (where storms train).

cmc_total_precip_indy_17Looking ahead, after a dry weekend and open to next week, indications point towards a return of wet and active times as we approach Day 10.  Long range ensemble data backs up the wet, stormy look nicely, and there’s really no end in sight…

MidJuly

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