Dangerous Heat Today……..Lower Atmosphere a Boiling Pot On the Stove (With a Lid)

June 29th, 2012 at 12:21 pm by under Chad's WLFI Weather Blog

It is incredibly hot today.  It is 96.1 at WLFI as of 12:38 p.m. with a dew point of 78, bringing our heat index to Heat index is 112 in places!  How is it this incredibly humid with dry soils?  Wind blowing over wet Iowa & Minnesota soils ahead of a front has pooled & concentrated just ahead of it, really increasing the amount of low-level moisture.


It does appear a cluster of storms will begin to pop pretty much overhead this afternoon in the viewing area, then organize into a bowing MCS with damaging straight-line winds.  BUT THE STRONG CAP MUST BE OVERCOME FIRST!  The trigger for storms popping through it?  Subtle shortwave, weak, weak front, outflow boundary from last night & lake breeze.  All of these will work with EXTREME instability to pop cap & get severe storms going.  These would tend to pop early to mid afternoon.

It appears a microburst/macroburst & large hail threat will exist as the storms pop directly over the area.  Then, as they tend to congeal more in our far eastern counties, more of a widespread damaging straight-line wind threat will evolve.  This bowing MCS will likely continue through Indiana, Ohio, western Pennsylvania & West Virginia, before reaching Washington D.C. by early Saturday morning.  Since these will pop literally overhead, coverage will run 50% & NOT everyone will necessarily get rain.  The more widespread rains will occur east of here, to possibly our far eastern counties.

Given the fact that dew points are near 80 in places, extremely heavy downpours may accompany the storms as they will behave like a loaded sponge.


14 Responses to “Dangerous Heat Today……..Lower Atmosphere a Boiling Pot On the Stove (With a Lid)”

  1. Brow says:

    I’m watching it just starting to come over into northern Indiana right now.

    Doing my rain dance!

  2. Teri says:

    Me too Brow!

  3. Dan says:

    When you dance remember to play good music…sucessful rain dance needs good music…like …what doesnt kill you make you stronger…..LOL

  4. Ryan H says:

    I should go wash my car. Then it will rain for sure.

  5. Mary Anne Best says:

    We have the gust front here in Remington now. wind gusted at 39 mph, steady at 23-25 mph.

  6. Crista says:

    Or water the garden and flowers…then it will pour. The air is out in our section of Purdue…..Ughhhhh! At least I’m not out on 231 working construction. That would stink today.

  7. Mary Anne Best says:

    I have .01 in my gauge and have no clue where it came from, lol. It does look like a rain brewing…guess where…down that old St Rd 18 corridor in Benton County. Well, they need it too :-)

    MA…temp is down to 81* here.

  8. Teri says:

    Not much wind in Lafayette, temp and dew points are the same as earlier.

  9. Mary Anne Best says:

    Rensselaer is w/o power on the north side of town. Still windy here with temp at 80*. Rain is going both north and south of here. So what else is new??? :-)

    MA in REM

  10. Teri says:

    Very dark in the NW sky. still calm in Lafayette.

  11. Brow says:

    Just had something blow through Monticello. Very big, fat drops of rain and a brief, strong gust of wind. Still raining right now. :)

    Here is a quick instagram photo that I took as it rolled in: http://www.webturd.com/storm-rolling-in-2

  12. Joy says:

    It has been raining with a lot of hail mixed in near west point for the past 20 min. Im so very thankful to have my prayers answered!

  13. Teri says:

    I am soaking wet from very large rain drops, brief heavy down pour, with wind, still raining with thunder and lightning. Lightning is getting closer!

  14. Ben in Evansville says:

    It’s currently 104 degrees in Evansville/Newburgh at 6:20 P.M. I think it got up to 108 today!!

    Ben in Evansville (Newburgh)

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