August 2015 archive

Still Some Question On Northward Extent Of Heavy Rain…

The morning is off to a beautiful start as drier air oozed into central IN overnight.  Many reporting sites are returning numbers in the middle 50s this morning!  Anyone else craving fall?

While a beautiful day is in store locally, we note clouds associated with a storm complex off to our northwest this morning.  Some of these clouds could blow into central IN at some point this afternoon or evening.

As we fast forward to mid week the cold front that’s currently to our south will lift back north as a warm front.  This will be in response to surface low pressure tracking in west to east fashion through the central Plains and into the Ohio Valley.  That said, there’s precise details still not etched in stone that can, and will, have a large impact on our weather (locally) Wednesday night though Thursday.  Note some of the differences with just a few of our forecast models in regards to heavy rainfall placement:

High-resolution NAM

1GFS (interestingly the 6z GFS shunted the rain farther south):

5Canadian:

3* The European most closely resembles the 0z GFS run.

We still have time to sort through the details in regards to the precise placement of heaviest rain, but for now we’re keeping widespread rain and embedded thunder in the forecast Wednesday night through Thursday.

Note precipitable water values exceeding 2″ in spots Thursday.  This will certainly support locally heavy rain and a flash flood threat for portions of the state during the aforementioned time period.  Much more later this evening!

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Early Morning Storms…

Screen Shot 2015-08-02 at 10.25.16 PMHighlights:

  • Monday morning storms
  • Wet mid week stretch
  • Keeping a watchful eye to the northwest

As we type this, storms are expanding and intensifying in coverage to our north, across the Great Lakes region.  We expect these storms to continue to build west as they sink south and southeast with time.  As such, don’t be surprised by a predawn wake-up call,  courtesy of Mother Nature Monday morning.  A few storms could be strong to severe with the primary concern being damaging winds.

After a nice Tuesday, low pressure will track east and provide widespread rain and thunderstorms Wednesday into Thursday.  Locally heavy rainfall is a good bet.

Once to late week and the weekend, confidence begins to lower.  We’ll remain in a challenging northwest flow and models can struggle in handling specific features.  That said, we’re keeping our fingers crossed for pleasant weather to wrap up the work week and head into the weekend, along with well below normal temperatures.  Rain and storm chances return Sunday.

Upcoming 7 Day Rainfall Forecast: 2″ – 3″ with locally heavier totals

Permanent link to this article: https://indywx.com/early-morning-storms/