Updated 07.01.21 @ 7:32a
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Jul 01
Updated 07.01.21 @ 7:32a
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Permanent link to this article: https://indywx.com/2021/07/01/video-drier-air-is-on-the-move-south-stunning-holiday-weekend-awaits/
Jun 21
Updated 06.21.21 @ 5:58p
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Permanent link to this article: https://indywx.com/2021/06/21/evening-update-concern-growing-for-renewed-flash-flooding-this-weekend/
Jun 18
Updated 06.18.21 @ 5:37p
Type: Severe weather event
What: Severe weather event and flash flood threat
When: This afternoon through tonight
Severe Risks: Damaging wind, large hail, embedded tornado potential, flash flooding
Summary: A complex of thunderstorms to our north this morning will diminish. As a result, the cloud canopy engulfing much of the region this morning will give way to mostly sunny skies late morning and into the afternoon. Intense heat is expected this afternoon, courtesy of a southerly flow ahead of an approaching warm front and upper air disturbance. Highs will reach the lower to middle 90s this afternoon and heat indices will climb to between 100° and 105°. This heat, combined with a multitude of other ingredients: dew points into the 70s, convective available potential energy (CAPE) in excess of 4000 j/kg (suggestive of extreme instability), and steep low level lapse rates (rate of temperature change with height) all will play into what looks like a significant setup for a severe weather outbreak later this afternoon and tonight.
Initially, individual cells are likely to erupt (targeting mid to late afternoon) along an OFB (outflow boundary) across n-central Indiana. Damaging wind and large hail are the biggest concerns with these cells, but a tornado threat is also on the table in this highly unstable environment. Eventually the scattered, intense cells should congeal into more of a widespread storm complex by evening and impact most of central and southern parts of the state. Precipitable water values will be in excess of 2” and promote a flash flood risk, especially if thunderstorms back-build and train over the same communities. Should this be the case, localized rainfall amounts of 3”-4” will be a good bet. As we progress into the overnight hours, the storm complex and associated flood risk will shift downstate.
Confidence: HighN
Permanent link to this article: https://indywx.com/2021/06/18/client-brief-severe-weather-event-and-flash-flood-potential/
Jun 12
Updated 06.12.21 @ 8a
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Permanent link to this article: https://indywx.com/2021/06/12/video-hot-one-today-but-the-pattern-takes-on-a-drier-and-cooler-feel-in-the-days-ahead/
Jun 10
Updated 06.10.21 @ 8a
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Permanent link to this article: https://indywx.com/2021/06/10/video-oppressive-humidity-gives-way-to-a-refreshing-feel-next-week/
Jun 09
Updated 06.09.21 @ 7:50a
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Permanent link to this article: https://indywx.com/2021/06/09/video-significant-relief-from-the-muggy-air-on-the-way-next-week/
Jun 08
Updated 06.08.21 @ 7:52a
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Permanent link to this article: https://indywx.com/2021/06/08/video-still-tropical-for-now-but-theres-light-at-the-end-of-the-tunnel/
Jun 07
Updated 06.07.21 @ 7:28a
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Permanent link to this article: https://indywx.com/2021/06/07/video-humid-tropical-feel-this-week-before-week-2-changes/
Jun 06
Updated 06.06.21 @ 8:28a
Forecast Period: 06.06.21 through 06.13.21
Our weather pattern will be dominated by a stubborn upper low moving slowly northeast out of the southern Plains. Eventually, this upper low will get entangled in the westerlies and begin to lose influence on our weather towards the tail end of the week. Before that, we’ll notice a rather marked difference in the type of airmass this week compared to what we’ve seen of late. A deep tropical flow, straight out of the Gulf of Mexico, will bring moisture-rich air into the Ohio Valley, including dew points that will approach the oppressive level (65° to 70°). While daytime highs will be kept cooler with the clouds and rain around, overnight lows will be elevated with such a humid airmass in place. A daily dose of showers and thunderstorms can be expected in this pattern- most numerous during the afternoon and evening hours. Given the humidity, locally heavy rain is a good bet at times. While coverage of showers and storms should slowly begin to diminish towards Friday and Saturday, we’ll still keep mention of scattered storms in our forecast into next weekend.
Permanent link to this article: https://indywx.com/2021/06/06/weekly-agwx-and-severe-weather-outlook-33/
Jun 10
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Permanent link to this article: https://indywx.com/2020/06/10/video-one-more-tropical-like-day-with-storms-before-a-blast-of-drier-cooler-air/