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Dolly & Edouard....Could they be related?

Good afternoon bloggers,

As our heat wave peaks today, something hit me and made me wonder about Dolly and Edouard.  Could they actually be related?  Hurricane Dolly moved inland as a category 2 hurricane on July 23rd.  She then moved across northern Mexico, turning north into New Mexico, and then made northeast and eastward move toward Kansas City.  The south side of the city received over eight inches of rain as the remnants of Dolly moved across our local area last Tuesday night and Wednesday.  Thursday, the remnants moved across eastern Missouri and then I lost track of Dolly as she weakened to an area of moisture on the watervapor satellite loop.  But, could part of the remains of Dolly have moved around the anticyclone, causing our heat wave, and be in some way related to Edouard?  I think so!  Here is a link to the last weeks satellite movie:

http://www.ssec.wisc.edu/data/comp/wv/wvmoll.mpg

It certainly is interesting.  Anyway, our temperatures are warming up, but KCI is still only 94 degrees at 1 PM.  It is 97 downtown at 1 PM.  Will we fall just short of 100?  It is going to be close.  I am still expecting 100 at KCI and 101 downtown.

We will be tracking these developments and much more on NBC Action News at 5, 6, and 10 PM tonight.

The Olympics begin Friday night on NBC.  Our late newscasts will be on at 11 PM and midnight during the next two weeks, so hopefully some of you who are up late will watch us.  And, we are debuting our new Weather Center and News Set on Friday night.

Have a great day!

Gary

Published Monday, August 04, 2008 12:31 PM by glezak

Comments

 

kcwxguy said:

Gary - I like the thinking.

As moisture re-enters the Gulf from this anti-cyclone, normal clusters or MCS type storms can take on transformation again.  Its not too common as the flow normally directs the moisture up to the jet and it is whooshed away...

But in this case, and in looking at the movie, I can see where you are thinking.  Are they related?  Not directly..only by means of the same feature [the anticyclone] that steered them and killed them and perhaps reformed them.

The vorticity of Dolly completely sheered out.  There was nothing left of her as she left this area...in fact, there was not much of her when she got here except for a rogue bit of energy.

If it did follow the ULH boundary, it did only with moisture...without a core or without anything to directly identify it as it entered the Gulf, it is hard to say they are related..but conceptually, I agree with you.

I need to refresh again about cold/warm core storms and how one can evolve into the other and go hunt down some radar images to see what happened as this storm left the CONUS into the Gulf...

---------------

Scott,

Good thoughts!  Yes, this is how I was thinking they may be related, and looking at the sat movie, it certainly seems to line up.

Gary

August 4, 2008 1:08 PM
 

Nick Rau said:

Very interesting, and it also could be a sign of a potentially common tropical cyclone path this summer, in the likely "tropical LRC" set up, if this is so then Dolly and  Edouard may be warning shots from mother nature, I hope not but we will have to see.
Well I'm kinda hoping for 99 at KCI for selfish reasons;)

-----------------

At 4 PM when we get close to 99, NICK, you will be saying "stop".

Good luck.

Gary

August 4, 2008 1:09 PM
 

A dogg said:

My Thermometer says 100 down here in drexel! And, its only 1:30, how much more could it go up?
August 4, 2008 1:32 PM
 

A dogg said:

Also, does Edouard look to be headed towards port arthur, tx? My Aunt and Uncle live there.
August 4, 2008 1:40 PM
 

lezakEF5 said:

I think Edouard needs to be called Edouardo....sounds better =]

Alex
August 4, 2008 1:47 PM
 

kcwxguy said:

Ok...using the HPC, SPC, and the SSD...I reviewed the tape [feel like I am under the hood!]

As Dolly left us, she did so as more of a trough of moisture than anything.  It largely was a large area of distrubed weather pushing SE following the anticyclonic flow.  

It was not really frontal but did proceed to the NE Gulf...what moisture hit the water stayed there..and what was on land largely was brought north to the frontal boundary.  This area of "unsettled" weather did take the shape of MCS events.  As the MCS hit water...it stuck, began to transform, and take on tropical characteristics...and whala - Edouard.

Yup..pretty cool...so what will Edouard spawn?  I think we are beginning to see some pattern changes.  I still see the old, but am starting to see some new developments as well.

I am going to not call this storm Edouard, but son of Dolly.  LOL
August 4, 2008 1:49 PM
 

NotesInTheMargin said:

Was Dolly really 55 days ago?!?
August 4, 2008 1:50 PM
 

NotesInTheMargin said:

I kid, I kid.
August 4, 2008 1:51 PM
 

A dogg said:

Its now offically 101 in Drexel.
August 4, 2008 2:07 PM
 

pvt_murphy said:

95 at kci as of 1400.  something tells me 100 is not in our future today...fine with me...
:)

i dont really think you can call it a pattern when one storm generated in the caribbean as a legit tropical wave and the other came from a stalled frontal boundry in the gulf.  sure they are both going to hit TX.  but, they arent even taking the same track.  the remnants of dolly lost its tropical characteristics long before anything came through here.  the same will happen with edouard.  the tracks that these two storms are taking are HEAVILY favored tracks for early season storms.  sure, bertha was an anomaly, but climatologically speaking for this time of the year, the most active parts are the w. carribean and gulf of mexico.  this is what to expect so far...nothing groundbreaking.  i hate to burst theorists bubbles, but its way to early to find patterns from what has occured over the past couple weeks.  
August 4, 2008 2:26 PM
 

kcwxguy said:

I am going to pull a Bill in Lawrence with some random observations...

1.  Just a little thing of interest...I was looking at the soundings and realized that the elevation changes in the region can make up to a three degree difference on days like this...especially where mixing is key to maximum heating.

2.  Seems we still have not quite shaken our high dewpoints in the metro.  Still low 70s for dewpoint.  Looking out the window, I can see a bit of haze and cirrus.  Something to consider...

http://www.rap.ucar.edu/weather/surface/displaySfc.php?region=ict&endDate=20080804&endTime=-1&duration=0

This will be a limiting factor in max heating as it presents more layer to mix out.  Just to the west, it is much dryer, and the temps reflect it!  106 in Manhattan!

Look at this image to see how the dry air/moist air are interacting and think about where the highest temps are...

http://www.rap.ucar.edu/weather/satellite/displaySat.php?region=ICT&itype=wv&size=small&endDate=20080804&endTime=-1&duration=4

3.  In looking at the latest obs, [first link above], the winds are somewhat light and from the S/SW.  This isn't helping enough to mix out and rise the temps.  Just to the west, again, the winds are stronger and doing the job.

Here is the forecast dewpoints for 21Z.  This is about where max heating should occur.  It does not seem we can break the higher dewpoints.  This may limit heating a degree or three.  It does look like the winds pick up a bit, but will it be enough in time?

http://www.rap.ucar.edu/weather/model/ruc03hr_925_wnd.gif

Its hot..no doubt, but its amazing how the little things make a difference on days like this.  Kudos to the team for continually reviewing and pouring through these!
August 4, 2008 2:30 PM
 

kcwxguy said:

pvt - the conveyor belt that is the current high did revolve remains of Dolly all the way around.  Is it a direct match..no...but if you look at the radar images from the 28th through the 3rd, you can see how it got into the Gulf.

Yes, both were formed differently in different areas, but does seem to have an indirect link.  I wouldn't call it a pattern, just something of interest.

Remember, indirect effects are just as powerful as direct.  Teleconnections thousands of miles apart can have relationships...
August 4, 2008 2:35 PM
 

kcwxguy said:

August 4, 2008 2:37 PM
 

pvt_murphy said:

so, what youre saying scott, is that dryer air heats up better/faster than moister air? thermal dynamics are something else...

from the metars map you posted, it would appear the hotter temps lie S/SW of us.  that seems expected.

btw, the wind has picked up here at the fort over the last hour or so.   it is amazing hwoever, how we have a low 70s dewpoint, whereas manhattan is coming in at 60*.  thats a large difference for such a small relative area.

that lends credence to my comments yesterday about how i would take slightly humid conditions and mid 90s over drier conditions and 100s....thats nasty in manhattan!
August 4, 2008 2:37 PM
 

pvt_murphy said:

surely the river valleys around the region are why we arent in the 100s right now, looking at your dewpoint map, scott.
August 4, 2008 2:42 PM
 

juba said:

So far today at Jhonson County Executive Airport: 101.8 degrees
August 4, 2008 2:43 PM
 

Kansas City Weather Podcast » Hurricane Dolly = Tropical Storm Edouard? said:

August 4, 2008 2:46 PM
 

EdRoberts said:

AWESOME catch Gary. I took a look at my 500mb archive, and it's pretty apparent that the remnant wave that was Dolly is now Edouard.

I made a GIF animation of my 500mb archive from Tuesday night through this morning.  Posted it over at http://KCWeather.org
August 4, 2008 2:47 PM
 

Ronnie said:

The remnants of Dolly spread out across the entire east coast.  Of course Edouard is related to Dolly.  So is the weather in Maine.
August 4, 2008 3:17 PM
 

Zazel said:

The water vapor loop for the past week is interesting, if not because of a Dolly/Ed connection then from the standpoint that atmosphere is just so crazy dynamic.  As carry over from the last blog on the topic of font size, in many cases I've found that you can make the font instantly larger/smaller by holdinig down the Ctrl key on your keyboard and, at the same time, scrolling your mouse wheel forward or back.  I don't actually use it, but it does work.  I just happened to do it one day by accident, then it took me what felt like forever to figure out what I'd done.  
August 4, 2008 3:40 PM
 

Dwight said:

Were these pop us thunderstorms just to our west and NW in the forecast? are these what will be spreading across the area tuesday?
August 4, 2008 3:45 PM
 

Nick Rau said:

Yea looked at the ol' radar and is mother nature trying to through a last minute curve ball? It will be interesting to see what happens when I am at work.
August 4, 2008 3:59 PM
 

Nick Rau said:

At 3:53 p.m. KCI is at 96... hmm...
August 4, 2008 4:00 PM
 

Stormdog said:

StormDog - Horrid weather today.  But...maybe Eduard may funnel its moisture eventually our way - haven't looked at the high versus the tropical system, but it could be a thing to force Mr. E west well into Tx before recurving.  Could be interesting, especially if a front hangs up around us - westerly flow could yield this eventually.

Dog
August 4, 2008 4:20 PM
 

kcwxguy said:

Yikes.

We have a timing problem with the Dolly/Ed connection.  While Dolly may have provided some assistance in her last breath, it seems Edouard may have had its genesis seperate from anything Dolly related.

http://www.katc.tekhead.biz/wxblog2/?p=1574

The above was posted on the 28th as parts of Dolly was here - and not there in the Gulf area.

http://community.nbcactionnews.com/blogs/weatherblog/archive/2008/07/28/3239114.aspx

I am sure the moisture helped, but perhaps Ed was already waiting in the weeds...
August 4, 2008 4:20 PM
 

pvt_murphy said:

97 high temp at kci...?

i was hoping for 98 :(
August 4, 2008 4:41 PM
 

Barry said:

Good Afternnon Gary:

Another very HOT Day In Stilwell.

At 4:30 PM Temp. Is 96, RH Is 50%, Dewpoint Is 75 and the Heat Index Is 109.
Johnson County Executive Airport readings at 2:53 PM Temp.94, Dewpoint 75 making the Heat Index 106.

Sure hope It cools off SOON.....
August 4, 2008 4:43 PM
 

siegel12 said:

99 in Shawnee, no telling what the dewpoint is, but I'd say it is in the mid 60s. It is nowhere near as bad as the weekend in terms of humidity. Not even close.
We have not officially hit 100 yet this year. If we don't today, I don't see any real chance at 100 in the next two weeks. This would make it the first time in several years at least that Kansas City hasn't hit 100.
I don't see much severe potential tomorrow, but with the humidity, heavy rain could occur.
August 4, 2008 4:48 PM
 

Brocksmama said:

Go 97˚!!!!! Wish, wish, wish!
August 4, 2008 4:55 PM
 

JPnKC said:

Great discussion today!

Noticing on radar that there are some storms popping to our NW and way west in Central KS.

I hope everyone is safe and trying to stay cool.

Currently it is 97 in Lenexa.

JP

August 4, 2008 5:07 PM
 

Turd Fergenson said:

Something I found Funny About the Chicago NWS Thing

Its there Hazordist Weather Outlook. Heres what it says about Tonights Thunderstorms

THUNDERSTORMS SOME MAY PRODUCE:
DAMAGING WINDS IN EXCESS OF 70 MPH.
QUARTER SIZED HAIL.
BRIEF PERIODS OF VERY HEAVY RAINFALL WITH LOCALIZED FLOODING.
HEAT INDEX OF 100 OR GREATER.

Thought that it was Weird that a Thunderstorm could cause a Heat Index to Go up above 100 when its raining out.

Just wanted to post this.
August 4, 2008 5:30 PM
 

weatherkid said:

Hi Gary,
My son, Thomas is 5 1/2 and is fascinated by the weather. We watch you every day and his goal is to become a weather man and work with you on NBC Action News some day :) Today we were in the car and he looked at the sky and said, "Mommy, there are cirrus clouds today which bring rain and snow." He learned this from a book about clouds we checked out at his school library. He then asked me a question I really couldn't answer and I thought you might be able to. He wondered what "low pressure" meant. He heard you say that there is cold front moving in bringing low pressure. I said I thought that meant it was going to rain...is there more to it?

Thanks for your help! Ashlie and Thomas

P.S. I know he's too young now, but hopefully he'll still have this passion for weather and can try out for your Junior Meteorologist contest in a few years!
August 4, 2008 5:54 PM
 

radman22 said:

Well it could be alot worse....

The world's highest dew point was recorded at a stifling 95 degrees in Saudi Arabia. Though humidity is not commonly associated with the desert, in particular Saudi Arabia, it was indeed very humid in that locale because it was on the coast of the Persian Gulf and there was an onshore flow. Thus creating torrid dew points and a horrible heat index when combined with the actual temperature of 108F. That day the heat index soared to a World Record Shattering 174F.
August 4, 2008 6:17 PM
 

Brocksmama said:

Yay!!  I think I am still safe!  It didn't get above 97˚ at KCI today did it?!  Was worried there for awhile.  All in all didn't think today felt near as bad as yesterday!  Made it through today and looking forward to tomorrow.  Dea

-------------

Dea,

We will get the official high in about one hour.  But, it was either 97 or 98 degrees at KCI.

Gary

August 4, 2008 6:19 PM
 

Matt P said:

Gary, if you look at my pick, you'll see that today's official high should be 98.  LOL!
August 4, 2008 7:58 PM
 

pvt_murphy said:

just had a brief shower, some lightning at the fort.
August 4, 2008 9:15 PM
 

marlina10 said:

Wow, that fact above about Saudia Arabia is crazy! I'm sure at that time, you really could fry an egg on the sidewalk. After this weekend and today, for once I am looking forward to a cold front in the summer. Usually I think of cold fronts in the summer as a damper, but not this time!
August 4, 2008 9:31 PM
 

Luthur said:

Pvt. Murphy -

Beyond your good life of doing the military thing, you are a true hero to me for telling me rain is near.  My yard is parched.  I live south of you West of Bonner and it is dry.  You are only 15 miles North of me.  The wife and I were sitting out back and noticed a slight shift in the wind.  Actually, we noticed wind that didn't feel like an oven.  

I wonder is this front moving through a bit quicker than expected?  I base this pondering on sitting outside.  It feels much, much more comfortable outside.  Last night was steaming.  Now it is sort of pleasant.
August 4, 2008 9:32 PM
 

pvt_murphy said:

thanks luther...

...im also getting thunder now, it is getting rather persistent too...from the looks of the radar, you may have a shower/storm yourself in 20 minutes or so!
August 4, 2008 9:53 PM
 

LRCfan said:

yea pvt I confirm the lightning and thunder hear in leavenworth looks like the heat is about to break.
August 4, 2008 9:53 PM
 

pvt_murphy said:

i am surprised gary hasnt mentioned the tstorms that are building/moving straight into the metro.
August 4, 2008 10:04 PM
 

pvt_murphy said:

we are getting a lot of thunder and lightning here, the atmosphere is juiced tonight.
August 4, 2008 10:05 PM
 

Luthur said:

Pvt_murphy -

Yes, I see tons of thunderbolts.  No thunder yet, so it is still a ways off, but I just looked at radar and it appears to be building on a line from Leavenworth back towards Topeka or so.
August 4, 2008 10:23 PM
 

KC Jay said:

Looks like we are going to get some action earlier than thought...great, my lawn still needs the rain!
August 4, 2008 10:55 PM
 

Tinpusher said:

Wxteam, are those storms going to make it here tonight?
August 4, 2008 11:12 PM
 

ksokie said:

At 11:00pm we are getting a hard rain with thunder at NW 68th St and Hwy 169 in Gladstone.
August 4, 2008 11:15 PM
 

KansasPatriot said:

I am starting to hear some distant thunder from 124th and state line...this is exciting!
August 4, 2008 11:35 PM
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