Category: Unseasonably Cool Weather

Aug 25

Pleasant Close To The Week; Harvey Questions…

Highlights:

  • Dry and unseasonably cool close to the week
  • Shower chances return
  • Watching Harvey

Can’t Ask For Anything Better…Our weather to wrap up the work week will be dominated by cool Canadian high pressure.  This will supply plentiful sunshine and unseasonably cool conditions.

A cold front will approach early next week before “washing out” over the Ohio Valley.  Shower chances will increase in association with this frontal boundary late Sunday night into early next week.  Dry conditions will return by the middle of next week along with slightly cooler than average temperatures.

Tropics: Harvey continues to dominate the headlines and rightfully so.  Devastating impacts will be dealt to Texas from a rain, surge, and wind perspective.  He will be upgraded to a major hurricane today.  It’s still far too early to know how far north Henry will eventually make it late next week before getting absorbed by an approaching trough.  Portions of the Ohio Valley are still on the table for potential rain impacts from Harvey late next week.  Stay tuned.

Upcoming 7-Day Precipitation Forecast:

  • Snowfall: 0.00″
  • Rainfall: 0.25″ – 0.50″

Permanent link to this article: https://indywx.com/pleasant-close-to-the-week-harvey-questions/

Aug 24

Quick Thursday Morning Comment…

Good morning, friends!  Temperatures this morning are in the lower 50s for many across central Indiana as our “hint” of fall continues to wrap up the month of August.  I…

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Permanent link to this article: https://indywx.com/quick-thursday-morning-comment/

Aug 22

Tuesday Storms Then Much Cooler…

Highlights:

  • Scattered storms with locally heavy rain
  • Early fall-like feel arrives
  • Dry weather returns

Cold Front Arrives…A cold front is pressing into the state today and generating unsettled weather across the region.  Widespread heavy rains fell overnight across northern parts of the state (areas just west of Lafayette have picked up 3″-4″ of rain during the past 24 hours).  Scattered to numerous showers and thunderstorms can be expected through early evening before a much drier and cooler air mass arrives tonight behind the frontal passage.

That drier and cooler regime will set the tone for the rest of the week and weekend.  High pressure will settle in and provide plentiful sunshine.  Additionally, cool, Canadian air will pour south as we progress through the second half of the week.  This will result in well below normal temperatures and conditions that will feel more like mid to late September rather than late August.

Tropics:  Harvey is likely to stage a comeback over the next few days once he emerges into the southwest Gulf of Mexico.  Folks with interests along the Texas coastline should certainly monitor Harvey for tropical implications as the weekend approaches.  An interior heavy rain/ flood threat will result, as well.

Upcoming 7-Day Precipitation Forecast:

  • Snowfall: 0.00″
  • Rainfall: 0.25″ – 0.75″

Permanent link to this article: https://indywx.com/tuesday-storms-then-much-cooler/

Aug 21

Chances Of Needed Rain Increasing For Central Indiana…

August, month-to-date, is running bone-dry.  Officially, IND has only accumulated 0.18″ of rain, but that may be changing as early as this afternoon and evening.

We note high resolution, short-term data is becoming more aggressive with the development of showers and thunderstorms this afternoon and evening.  Initially, storms will impact w-central parts of the state before encompassing more of central Indiana.  The following are images of what the local radar may look like at 4p, 6p, and 8p.

With leftover boundaries from early morning storms across northern parts of the state (likely will serve as a “trigger” for PM storm development), combined with a hot and muggy airmass, confidence is increasing on numerous showers and thunderstorms across central Indiana this afternoon and evening.  Widespread heavy rain isn’t expected this afternoon, but localized hefty downpours are a good bet with precipitable water values (PWATs) approaching 2″ this afternoon.

Unsettled times remain Tuesday before a much cooler regime looms for the second half of the week…

Permanent link to this article: https://indywx.com/chances-of-needed-rain-increasing-for-central-indiana/

Aug 20

Hot, Humid Weather Gives Way To Much Cooler Times…

Highlights:

  • Hot and humid open to the week
  • Scattered early week storms
  • Much cooler and less humid times loom

Time To Sweat…A hot and increasingly humid airmass will be with us as we open a new week.  While most of the upcoming 24-48 hours will remain rain-free, we will mention chances of an isolated to widely scattered thunderstorm Monday.  Most will remain free of rain and storms, but those lucky folks who do find themselves under a storm Monday can expect to pick up a quick 1″ of rain.  Better overall coverage of showers and thunderstorms will develop late Monday night into Tuesday.

Typically, a pattern change such as what we’ll undergo this week (summer-like to early fall-like) would yield widespread showers and thunderstorms.  However, a look at short-term, higher resolution data isn’t particularly “excited” about widespread significant rainfall across central Indiana.  We expect a weakening complex of thunderstorms off to our northwest to drift southeast Monday night.  Depending on how quickly this complex weakens will determine rainfall amounts, locally.  Additionally, it’s very possible this weakening storm complex will serve to limit new thunderstorm development Tuesday as the cold front moves closer.  We do note high resolution data places emphasis on northern and southern parts of the state for heaviest rains and it’s tough to disagree with that idea given what we’re looking at right now.  Stay tuned.

Regardless of the rain and storm situation, locally, we’ll all turn significantly cooler by midweek.  In fact, temperatures will grow cool enough to feel like mid-September.  Dry conditions will carry us into next weekend.

Upcoming 7-Day Precipitation Forecast:

  • Snowfall: 0.00″
  • Rainfall:  0.25″ – 0.75″

Permanent link to this article: https://indywx.com/hot-humid-weather-gives-way-to-much-cooler-times/