Category: AG Report

Weekly #AGwx And #Severe Outlook…

Weekly Highlights:

I. A cold front will settle south into a warm and at least marginally unstable environment tonight into early Sunday morning. This will result in a rather rapid expansion of thunderstorms across the central Ohio Valley tonight.

II. The next big item has to do with the unseasonably cold airmass that will unload into the eastern half of the country, but this is more of a late Week 1 into Week 2 situation.

Unseasonably dry conditions will continue to allow the Deep South to dry out over the upcoming week. Meanwhile, the Great Lakes region also should run drier than normal.

Across immediate central Indiana, we’re targeting the upcoming 7-day period to produce between 1.5” and 2” of rain and most of that will fall tonight-early Sunday morning.
A highly amplified pattern will emerge late in the forecast period resulting in the overall 7-day period tilting towards a cooler than average one. Even colder air is scheduled next weekend into Week 2.
The best chance of a few strong to severe storms will take place late tonight into early Sunday morning as a cold front settles south into a briefly warmer/ unstable air mass.

Forecast Period: 05.02.20 through 05.09.20

Most of our Saturday will feature dry and pleasant conditions. It’ll be a great day to get caught up on yard work around the house before things take on a stormy turn tonight. A cold front will settle into the briefly warmer and more humid air mass and will ignite thunderstorm development by late evening. A few of these storms will likely become strong to severe late evening into the overnight period, including the potential of large hail and damaging wind gusts. Once the front settles to our south, the convection will also move south and out of our area mid-late Sunday morning. Beforehand, a swath of 1” rains are likely throughout central Indiana with a few locally heavier totals.

There will then be a couple of additional cold fronts to track through the upcoming week: Monday night into Tuesday and again Friday into Saturday. Both fronts should provide additional rain chances during that time frame followed by cooler air.

It’s the weekend front that will usher in more of a winter-like feel including the threat of late season frost/ freeze conditions during the 7-10 day period. We may have not even seen the last of snow for the season…

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Weekly #AGwx And #Severe Outlook…

Weekly Highlights:

I. Potent area of low pressure will track along the Ohio River, spreading rain across the Ohio Valley and into the Northeast, including higher elevation wet snow.

II. A surface low and associated cold front will sweep into Plains Tuesday and to the eastern seaboard by Thursday. This system will have to be monitored for not only the potentially of locally heavy rain, but the threat of strong to severe thunderstorms on the journey southeast.

Wettest anomalies will extend from the Ohio Valley and Mid-Atlantic into the Northeast over the upcoming 7-days. Widespread dry conditions can be expected across the central Plains into the Rockies.
Immediate central-Indiana can expect 2″ to 2.5″ of rain between now and next Saturday morning, with locally heavier amounts.
Summer-like heat will bake the West while the eastern 1/3 of the country remains cooler than normal.
We will have to keep close tabs on the midweek cold front as it may ignite strong to severe storms from the Plains to the East Coast in the Tuesday-Thursday time period. The SPC is already highlighting a Day 4 (Tuesday) risk.

Forecast Period: 04.25.20 through 05.02.20

Central Indiana and the Ohio Valley, as a whole, will have to deal with both storm systems highlighted above. While we still believe dry conditions will prevail through a good portion of our Saturday, rain will become more widespread this evening into Sunday morning in response to a surface low moving northeast along the Ohio River. A couple heavier bands of rain may develop across the region tonight into Sunday morning and by the time all is said and done, the southern half of the state (along and south of the I-70 corridor) can expect 0.50″ to 1″ of rain by Sunday afternoon. Further north, amounts between 0.25″ and 0.50″ will be more common. Drier air will build in late Sunday afternoon, along with a cooler northeasterly and northerly flow behind our departing storm system.

Monday morning will open dry, but a weak weather maker will scoot through the state during the afternoon, resulting in scattered showers making a return Monday PM. These will be quick-moving showers and rainfall totals are expected to remain light for those that do see rain.

A much more organized storm system will push southeast Tuesday evening and Wednesday leading to more widespread shower and thunderstorm activity during this time frame. Stronger storms and locally heavy rain will be a good bet with this particular system. Drier, cooler air returns behind this system as we get set to wrap up the work week.

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Weekly #AGwx And #Severe Outlook…

Weekly Highlights:

I. Another significant severe weather outbreak is expected across the Gulf Coast region Sunday into Monday.

II. An area of low pressure will bisect the country midweek, delivering widespread rain and thunderstorms to the Ohio Valley and offering up another threat of severe weather Wednesday-Thursday for the TN Valley into the Deep South.

III. A 3rd system will track out of the northern Plains and begin to affect the Ohio Valley next weekend with increased showers and thunderstorms.

Wettest anomalies this week will be confined to the lower MS Valley, Deep South, and immediate East Coast.
Chilly weather (compared to normal) will continue to dominate the Great Lakes into the southern Appalachians and East.
Across immediate central Indiana, we’re expecting rainfall totals of 0.75″ to 1.25″ between now and next Saturday morning.
Unfortunately, another significant severe weather episode is expected across the Gulf Coast region on Sunday.

Forecast Period: 04.18.20 through 04.25.20

High pressure will build into the region today and supply a return of beautiful weather conditions. Albeit still cooler than normal, vastly improved weather conditions are on tap compared to the rain and snow of the past couple of days! Enjoy, friends!

A couple of weak and fairly moisture-starved cold fronts will give our immediate area “glancing blows” through early week. Scattered showers are all we can expect with these fronts Sunday and Tuesday. (Greater impacts from precipitation and cooler air can be expected off to our northeast with these fronts).

As we head into the back half of the forecast period, a couple of more significant storm systems will offer up better rainfall coverage, including the opportunity for thunderstorms Thursday into next weekend. We’ll keep an eye through the week on the potential of some stronger storms during this period, but as things stand now, the greater risk for severe appears to be off to our south.

One additional note- frost/ freeze conditions are possible Tuesday night into Wednesday morning across central parts of the state with overnight lows falling into the lower 30s.

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Weekly #AGwx and #Severe Outlook…

Weekly Highlights:

I. Strong Easter storm system leads to a widespread severe weather outbreak across the southern Plains (today), Deep South (Sunday), and into the central/ southern Ohio Valley (Sunday night).

II. An anomalous trough carves itself out over the eastern half of the country leading to well below average temperatures in the week ahead.

The Deep South into the Carolinas and Mid Atlantic will be in the cross hairs of well above average rainfall this week.
Most of the country will experience well below average temperatures in the week ahead.
Most of immediate central Indiana should pick up close to 1″ of rain during the upcoming 7-day period. Heavier amounts will likely fall across southern Indiana south into the TN Valley.
A major severe weather outbreak is expected from the southern Plains into the Deep South over the next 24-48 hours.

Forecast Period: 04.11.20 through 04.18.20

More specific to central Indiana, today will feature mostly cloudy, but mostly dry conditions. As a warm front lifts north across the state tonight, chances of showers will be on the increase. Easter will feature a deepening low pressure system racing northeast from the Ark-la-tex region across the central Ohio Valley and into the Great Lakes by Monday morning. Most of Easter Sunday will also feature precipitation-free hours, but showers and thunderstorms will be on the increase tomorrow evening into the nighttime. (If you have family and friends across the Deep South, please reach out and ensure they are aware of the developing situation and corresponding strong risk of significant severe weather Easter Sunday). While the threat of severe weather isn’t as great up this way, we’re closely monitoring the potential of a squall line impacting areas into southeastern Indiana late Sunday night into the overnight Monday- continuing into central portions of the Ohio. An associated damaging wind threat would ensue with this line of storms. Finally, as the cold front sweeps through the region Monday morning, rain should come to an end around or just before daybreak, but much cooler and very windy conditions will develop. Monday should feature northwest gusts of 40 to 50 MPH.

The remainder of the forecast period will be dominated by unseasonably chilly conditions and a couple of weaker, fast-moving, disturbances. With the cold air in place, mixed rain and snow showers are possible midweek with a disturbance.

Tuesday through Thursday mornings feature the best chance of temperatures falling to or below the freezing mark. Frost isn’t anticipated outside of this time frame due to clouds and/ or wind.

Permanent link to this article: https://indywx.com/weekly-agwx-and-severe-outlook-2/

VIDEO: Chilly Pattern Settles In; Easter Storm, And Looking Ahead To Potential Wet End To April…

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