SEVERE WX : Flood Warning View Alerts

April 26, 6:30 PM Weather Forecast Update

A block & the effects here.

Posted: Apr. 26, 2019 4:26 PM
Updated: Apr. 26, 2019 6:48 PM

Trees are now foliating nicely with Eastern Redbuds & Flowering Dogwoods peaking in parts of the area.  The White, Chinkapin, Black & Shingle Oaks are now blossoming, as are the foliated Ohio Buckeyes.  Makes for a beautiful scene, but drives the pollen way up!

It has been a windy day.  West to west-northwest winds are still gusting up to 36 mph in the area.

The Kentland Municipal Airport & INDOT weather station at I-65 & US 24 at Remington just measured the 36 mph gusts.  The Purdue Airport has recently measured a gust to 33 mph.

Highs today have run 61-66 so far.  We are 60-64 as of 4:15 p.m.

With clear to mostly clear skies, patchy frost is possible over the northeastern half of the viewing area tonight with 33-37.  38-42 will occur over the southwestern half.

Lows Saturday night will drop to 31-32 in the north & northwest!

The rest of the area will see 33-38 with strong north to north-northeast winds of up to 32 mph, leading to wind chills well down into the 20s.

These temperatures are not uncommon for the time of year if they are brief.  Normal last 32 in the north is April 22-27.

Normal last 36 for the entire viewing area is May 1-7.

Note the sharp contrast in temperatures with the warm front tomorrow.  The south may see a quick, glancing warm-up in the evening as the warm front tries to move northward.

Up to 12" of heavy, wet, wind-driven snow is possible over far southeastern Minnesota, northwestern Iowa & southern Wisconsin Saturday!

We are looking at two main waves of rainfall with warm front & storm system straddling area.  One will pass near midday-afternoon.

Another will pass with a few embedded t'storms possible evening, followed by some rain, which will end as some snow north of US 24.  If there is any accumulation, it would be light & confined to grassy & elevated surfaces.

The heaviest rainfall should fall in the northern half of the viewing area with up to 1.30" possible north of the warm front.  Lighter amounts should occur southward.  Greater Lafayette is right on the line, so it is a bit of uncertainty regarding what the rainfall totals will be in that zone.  This model shows 0.28", but I am thinking the total may be a bit higher than that.

Skies will clear pretty rapidly late with the cold weather.

Some cumulus clouds will be in a deep blue sky Sunday with northeast to east-northeast winds at 10-20 mph.  Highs will run 55-60, but it will be dry.

High & mid clouds will increase later in the day as cumulus diminish as warm front begins to move back northward.

It still looks like a tough, tedious forecast next week in regard to temperature over the viewing area.

A warm front will separate winter & early spring weather north of it from spring & summer weather south of it.  Many times, this warm front will be laid up right across our area, making temperatures forecasts challenging.  The placement of rain-cooled air from rounds of showers & storms near & north of the front also makes this a challenging temperature forecast.

The surface wind shifts show the front well in these model graphics.

Periods of showers & t'storms will ride along the warm front.  One or two rounds will pass Monday with 70s far south & 50s north & 65 Lafayette.

Isolated severe storms possible south.

The main corridor of severe risk for next week will run from Texas & Oklahoma to Arkansas & Missouri, but we may see a bit of potential at times.

50s north Tuesday, 70s far south, 65 Lafayette with a round or two of showers & t'storms.  Isolated severe storms possible south.

50s north Tuesday, 70s far south, 65 Lafayette with a round or two of showers & t'storms. Isolated severe storms possible south.

The entire area may fall into the 50s & 60s later in the day as the front sinks southward for a bit.

Trends are for the warm front to get north of US 24 Thursday.  Some isolated severe weather risk could occur with a round of showers & t'storms. 

70 north to 80 south for highs is possible, depending on when & how much rainfall we see.

Front may go south to end the week, but it will begin to move back northward late next Saturday to Sunday morning with a few showers & t'storms.

70s to 80 may then arrive behind the warm front.

A total of 2-4" of rainfall is possible this Saturday-next Friday over the viewing area.

A large, strong, blocking horseshoe upper ridge west, north & northeast of Greenland is blocking systems from moving northeastward. 

This is preventing us from being totally bathed in warmth with drier weather. 

Instead, warm front cannot move northward very quickly, keeping us in periodic showers & t'storms next week & split between winter/spring north & spring/summer south in our area.

A surface Bermuda high is trying to pump the warm front northward, but the ridge just won't allow a progressive pattern.

So, disturbances just slide underneath the ridge in our area.  The red shows an upper low that is blocked south of Greenland by the horseshoe upper ridge.

Article Comments

West Lafayette
Clear
73° wxIcon
Hi: 80° Lo: 65°
Feels Like: 73°
Kokomo
Clear
73° wxIcon
Hi: 81° Lo: 65°
Feels Like: 73°
Rensselaer
Clear
72° wxIcon
Hi: 79° Lo: 65°
Feels Like: 72°
Fowler
Clear
72° wxIcon
Hi: 80° Lo: 65°
Feels Like: 72°
Williamsport
Clear
75° wxIcon
Hi: 82° Lo: 66°
Feels Like: 75°
Crawfordsville
Clear
72° wxIcon
Hi: 80° Lo: 66°
Feels Like: 72°
Frankfort
Clear
73° wxIcon
Hi: 81° Lo: 65°
Feels Like: 73°
Delphi
Clear
73° wxIcon
Hi: 80° Lo: 66°
Feels Like: 73°
Monticello
Clear
73° wxIcon
Hi: 80° Lo: 66°
Feels Like: 73°
Logansport
Clear
73° wxIcon
Hi: 80° Lo: 65°
Feels Like: 73°
A few storms are possible Saturday.
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