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Category: Flooding
Permanent link to this article: https://indywx.com/2019/09/19/video-discussing-weekend-rain-and-updated-weeks-2-4-thoughts/
Jul 16
VIDEO: Tropical Downpours Lead To Localized Flooding Later Today; Heat Gives Way To A Much Cooler Pattern…
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Permanent link to this article: https://indywx.com/2019/07/16/video-tropical-downpours-lead-to-localized-flooding-later-today-heat-gives-way-to-a-much-cooler-pattern/
Jun 21
VIDEO: Timing Out Storm Impacts This Weekend; More July Chatter…
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Permanent link to this article: https://indywx.com/2019/06/21/video-timing-out-storm-impacts-this-weekend-more-july-chatter/
Jun 19
Concerned For Significant Flooding Tonight Into Thursday…
The day is opening dry across central Indiana (and sunny for some), but another heavy rain event looms by the end of the day. The culprit? A stalled front remains draped across central Indiana and a surface wave will move along this boundary this afternoon into tonight. A “juicy” airmass will remain intact across the region with precipitable water values topping out at 2.5″ across the southern half of the state. This will promote any shower or thunderstorm that develops to drop very heavy rainfall in a short period of time (1″ to 2″ per hour at times).
As the surface wave interacts with the tropical air mass in place, widespread showers and thunderstorms will blossom across the region through the afternoon into tonight. Rain will continue into Thursday afternoon.
We’re still also concerned for severe weather this afternoon and evening, including a couple of tornadoes across the southern half of the state.
By the time the rain comes to an end Thursday evening, widespread 2″ to 4″ can be expected across the heart of the state, including Indianapolis, itself.
If that’s not enough, heavy rain and thunderstorms will return late Friday and continue in an “off and on” fashion straight through the weekend.
Unfortunately, some central Indiana rain gauges can expect to pick up an additional 5″+ of rain between this afternoon and next Tuesday…
Permanent link to this article: https://indywx.com/2019/06/19/concerned-for-significant-flooding-tonight-into-thursday/
Jun 18
VIDEO: Latest Thoughts On Tomorrow’s Severe Potential And Looking Ahead Through The 1st Half Of July…
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Permanent link to this article: https://indywx.com/2019/06/18/video-latest-thoughts-on-tomorrows-severe-potential-and-looking-ahead-through-the-1st-half-of-july/
Jun 18
VIDEO: Severe Threat Continues To Increase Wednesday PM…
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Permanent link to this article: https://indywx.com/2019/06/18/video-severe-threat-continues-to-increase-wednesday-pm/
Jun 17
Only Going To Get Worse Before It Gets Better…
The pattern into the medium range period continues to look like a broken record: excessively wet. Unfortunately, flood and flash flood warnings will continue to likely be issued over the next 7-10 days on an almost daily basis for at least portions of the immediate viewing area.
Current Flash Flood Guidance can be found below:
In most cases across central and southern Indiana, we’re only talking about rainfall of 1″ to 1.5″ in an hour’s timeframe that will cause flash flooding. 3 hour guidance is in the 1.5″ to 2″ range.
Tuesday will feature less overall aerial coverage of showers and thunderstorms (widely scattered) as compared to the past few days. However, we’re tracking (2) surface waves that will result in more widespread heavy rain and thunderstorms Wednesday afternoon into Thursday and again over the weekend into early next week with a moisture-rich, tropical southwesterly air flow in place.
As mentioned above, severe weather is possible Wednesday afternoon and evening as vigorous upper level energy accompanies the surface wave scooting across the lower OHV. This will warrant our attention over the upcoming 48 hours and will likely lead to the Storm Prediction Center expanding the current Slight Risk further northwest with future updates.
Fingers are still crossed for briefly drier conditions Friday before we reload the moisture with a persistent southwesterly air flow this weekend. This will promote additional concerns for heavy rainfall over the weekend.
At times, this moist southwest flow will help precipitable water values exceed 2″. Needless to say, concern will remain very high for additional flooding problems over the weekend into early next week.
Widespread additional rainfall of 2.5″ to 3.5″ is a good bet with locally heavier amounts over the upcoming week.
More on the long range pattern into the Weeks 3/4 period tomorrow!
Permanent link to this article: https://indywx.com/2019/06/17/only-going-to-get-worse-before-it-gets-better/
Jun 16
VIDEO: A Very Wet Week Is On Deck; Early July Thoughts…
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Permanent link to this article: https://indywx.com/2019/06/16/video-a-very-wet-week-is-on-deck-early-july-thoughts/
Jun 15
VIDEO: Classic Pattern For A Significant Flood Event…
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Permanent link to this article: https://indywx.com/2019/06/15/video-classic-pattern-for-a-significant-flood-event/
Jun 09
Localized Bands Of Flooding Rain Possible This Afternoon-Evening…
An upper level low will have control of our weather today. We’re seeing widespread mostly light rain this morning and that will begin to diminish as we move into the late morning and early afternoon.
We’ll then likely see a few breaks in the cloud cover and that will serve to provide just enough energy to help showers and thunderstorms redevelop by mid to late afternoon. With a juicy air mass in place (precipitable water values will exceed 2″ in spots), locally heavy rain is likely.
With weak steering flows in place this afternoon and evening, the concern we have is that localized bands of this heavy rain/ embedded thunder will “train” over the same areas, potentially leading to flash flooding in localized spots across central Indiana.
We expect these south-to-north moving bands of rain to begin to organize towards the 4p to 6p time frame, continuing into the evening and nighttime hours. Where the heavier rain bands organize, a quick 2″ to 3″ of rain is likely this evening.
More around the #AGwx report for the upcoming week will be posted later this morning!
Permanent link to this article: https://indywx.com/2019/06/09/localized-bands-of-flooding-rain-possible-this-afternoon-evening/