Heavy rain, threat for severe weather in central Indiana

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Rainfall_totalsOur first wave of moisture passed through the area Tuesday night and into Wednesday morning.  To the left are the rainfall amounts already recorded at our weather observation sites.  Indianapolis picked up .35″ of rain so far.  And there is much more rain to come tonight, Thursday and Friday.

WEDNESDAY AFTERNOON

At the top of the page you can see what the satellite and radar image looked like at 11 AM.  Our morning showers to the south were moving out of the state while a much larger wave out in Missouri was still headed our way.  This next round of soaking rains and isolated storms will move into our area between 2-3 PM for our western counties, 3-5 PM to the city of Indianapolis.  Severe weather is not expected this afternoon or this evening but heavy rain is definitely possible and it should be raining through much of the evening drive.  For Pacers fans headed downtown this evening, bring your rain gear.

AREAL FLOODWEDNESDAY NIGHT

Our FLOOD WATCH begins at 8 PM and will continue until 8 AM Friday.  Waves of showers and storms will move through the area overnight and into Thursday morning.  Severe weather is not expected in this time frame either but heavy rain is again likely. Overall 3-4″ of rain is possible and will lead to minor flooding near roads along rivers, agricultural land and possibly a few residential area.

Here’s a quick slide show of the radar for Wednesday evening showing this first push of moisture arriving and then the scattered showers continuing to move in overnight and into Thursday morning:

 

Severe Outlook 2THURSDAY

Temperatures will surge a bit more on Thursday and we’ll end up in the mid to upper 60s.  The warm front that has been draped across the state will finally have moved to the north and this gets us into that crucial “warm wedge” of the low pressure system. This heat translates to more energy and this will help fuel stronger showers and thunderstorms Thursday afternoon and again Thursday night.  Strong winds will also be funneling into this system and that also helps to build our threat for severe weather.  It’s something we call the low-level jet.

The primary threats from these storms according to the Storm Prediction Center are damaging winds, hail and isolated tornadoes.  Again, our window for this will not be during the morning showers and storms.  This will have the best energy to tap into later in the afternoon and especially overnight.