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Derecho Risk From Chicago to Columbus
accuweather.com ^ | 6/12/13 | Anthony Sagliani

Posted on 06/12/2013 3:22:19 AM PDT by Clint N. Suhks

Ingredients are coming together across parts of the Midwest and Ohio Valley that could potentially trigger a derecho on Wednesday into Wednesday night.

While it isn't exactly a certainty whether or not a derecho will form, some of the cities and towns most at risk include Chicago, Ill.; Columbus, Ohio; Fort Wayne, Ind.; Aurora, Ill.; Dayton, Ohio and Davenport, Iowa, to name a few.

Strictly speaking, a derecho is a widespread, long-lived wind storm that is associated with a band of rapidly moving showers or thunderstorms. These showers and thunderstorms produce wind damage over a large swath of land.

While wind gusts form derechos can sometimes reach speeds over 80 or even 100 mph, the vast majority of observed wind reports are usually between 60 and 70 mph.

Wind speeds of 60 or 70 mph can uproot trees, snap off large branches and bring down utility poles and wires. Due to the widespread nature of these wind gusts, power outages can also be far-reaching.

Additionally, these kinds of wind speeds can cause minor damage to structures, including roofs on houses, and they can easily blow around any unsecured objects left outside.

Even if a derecho does not evolve on Wednesday and Wednesday night, powerful thunderstorms will still be quite numerous across much of Illinois, Indiana and Ohio.

Thunderstorms will begin near Davenport, Iowa and northern Illinois. The thunderstorms that develop here will have the ability to take on some rotation, and a few tornadoes are possible, especially in and around Davenport, Rockford, Ill.; Sterling Ill.; Ottawa, Ill. and Chicago.

The thunderstorms will then begin to congeal into a bowing, or backward 'C' shaped line as they reach northern Indiana or Lake Michigan. How much of a bowing shape the thunderstorms can take on will play a role in determining how much wind the storms can produce, and ultimately, whether or not a "derecho" fully evolves.

The worst of the storms will likely be in the afternoon across western Iowa into northern Illinois and Indiana. In places such as Ohio, the most dangerous storms may hold out until the evening hours or even after dark. Still, there could still be a stray thunderstorm around even before the main line arrives.

If you will be out and about on Wednesday or have any plans Wednesday evening or night, you will need to pay special attention to the weather as this could be a particularly dangerous situation. Once thunderstorms develop, they will strengthen quickly, and dangerous conditions could follow soon after.

One added concern across the region will be very heavy, potentially flooding rain. This storm system will have the ability to produce a large area of 2-3 inches from Chicago into Detroit, Cleveland and Pittsburgh. Rain of this magnitude, on top of already saturated soil, will cause flash flooding and the possibility of renewed flooding or larger waterways.

Current technology has advanced enough over recent years to provide ample alert of the potential for severe weather and the approach of localized severe storms. Be sure to understand the difference between a watch and a warning. A watch means that an area is being monitored for dangerous weather. A warning means that dangerous weather is imminent. When a warning is issued, there may be too little time to travel across town or across a county to escape the storm. The time to have a plan of action and move to the general vicinity of a storm shelter or safe area is when a watch is issued.

Keep in mind that lightning is one of Mother Nature's most dangerous killers. If you can hear thunder, you are close enough to the storm to be struck by lightning, even if the sun is still shining.


TOPICS: Miscellaneous; US: Illinois; US: Indiana; US: Iowa; US: Michigan; US: Ohio; US: Pennsylvania; US: West Virginia; US: Wisconsin
KEYWORDS: derecho; flood; flooding; tornado
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1 posted on 06/12/2013 3:22:19 AM PDT by Clint N. Suhks
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To: Clint N. Suhks

We are 45 minutes south of Ft Wayne. Thanks for the heads up, Clint.


2 posted on 06/12/2013 3:27:48 AM PDT by raisincane (I'm a resident of Realville.)
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To: Clint N. Suhks

They used to call these “Gust Fronts” but they just didn’t carry the same emotional impact as “Drecho”.


3 posted on 06/12/2013 3:28:00 AM PDT by cripplecreek (REMEMBER THE RIVER RAISIN!)
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To: cripplecreek

I don’t think it’s Drecho, but if I ever created a cartoon overlord/demon, I would totally name him Drecho.


4 posted on 06/12/2013 3:31:40 AM PDT by autumnraine (America how long will you be so deaf and dumb to thoe tumbril wheels carrying you to the guillotine?)
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To: Clint N. Suhks

Same route as last year’s episode. I had no power for two days. No ATM, no grocery, no gas, nothing. You had to drive twenty miles out to find civilization. Some folks did eight days without power.


5 posted on 06/12/2013 3:32:05 AM PDT by pepsionice
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To: raisincane

They are supposed to hit here in DC tonight/tomorrow.


6 posted on 06/12/2013 3:32:11 AM PDT by Clint N. Suhks
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To: Clint N. Suhks
The word was first used in the American Meteorological Journal in 1888 by Gustavus Detlef Hinrichs in a paper describing the phenomenon and based on a significant derecho event that crossed Iowa on 31 July 1877.

From wikipedia. I guess it just took a while to catch on.

Probably a directive from obama's people so illegals who can't speak English will know there is a line of strong thunderstorms coming.

7 posted on 06/12/2013 3:39:11 AM PDT by Right Wing Assault (Dick Obama is more inexperienced now than he was before he was elected.)
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To: Clint N. Suhks

>>They are supposed to hit here in DC tonight/tomorrow.<<

More accelerated air in DC.

No one will see any difference...

(stay safe, FRiend)


8 posted on 06/12/2013 3:42:29 AM PDT by freedumb2003 (To attempt to have intercourse with a hornet's nest is a very bad idea)
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To: Clint N. Suhks; pepsionice
They are supposed to hit here in DC tonight/tomorrow.

Derecho is unlikely to make it past Ohio. The CAPE will be high but not that high (2500 versus 5000 last year). The 850 temperatures over the area (WV mountains into DC will be 18-20C) Last year's derecho they were 24. That's most important over the mountains because without a good supply of warm air aloft the mountains will tear the storm up.

forecast maps: http://weather.unisys.com/gfs/gfs.php?inv=0&plot=850&region=us&t=36h

9 posted on 06/12/2013 3:46:52 AM PDT by palmer (Obama = Carter + affirmative action)
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To: palmer

I should also mention that the dynamics have to be just right. No old boundaries around to break up the system. That said, there are strong dynamics from a larger low moving through. That will create some strong storms with gusts here and there. Just no large MCS to take out power in 5 or 6 states.


10 posted on 06/12/2013 3:51:39 AM PDT by palmer (Obama = Carter + affirmative action)
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To: cripplecreek

The Derecho that struck wv last year was insanely powerful. They called it straight line winds, but I still have the photos from our hiking trails of trees twisted apart. I was walking in the front door of work when everyone started yelling tornado. It shredded the McDonalds into several pieces that were found a block away.
I guess it felt worse than the tornadoes of my past because there was zero warning.
If you live in the place with a few trees and mountains, you are probably better off.. The worst part was it occurred in the hottest weeks of the year and many were without power for ten to fourteen days. These morons had no water at home, no food, no emergency prep.
It was an awesome, fearsome wind swath.


11 posted on 06/12/2013 3:53:11 AM PDT by momincombatboots (Back to West by G-d Virginia.)
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To: Clint N. Suhks

Should I hide in my basement tonight?


12 posted on 06/12/2013 4:03:09 AM PDT by rightwingintelligentsia (Truth/Lies; Liberty/Tyranny--WHAT DIFFERENCE DOES IT MAKE??)
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To: rightwingintelligentsia

No, but you should park your car away from any possible falling branches/trees, roll up the patio umbrella and bring in the garden gnomes.


13 posted on 06/12/2013 4:06:38 AM PDT by Clint N. Suhks
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To: Clint N. Suhks

Last time this happened a lot of dead ash trees (killed by the borer) fell on power lines all over the area. Power was out all over Ohio and West Virginia for up to a week. There’s a lot more dead ash trees this time, and I have a bunch in my woods right next to the power lines.


14 posted on 06/12/2013 4:14:10 AM PDT by RadiationRomeo (Step into my mind and glimpse the madness that is me)
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To: cripplecreek

Drecho is not a gust front. Gust fronts can form in front of a drecho.

That said, drecho has been is meteorology lingo long before TV was invented...this type of event is not common. The drecho was named by some fellow with a European name, in Iowa, bach in the late 1800’s.

I’d wiki it fer ya, but it’s too damned early, and I gots ta leave for work.

Cheers!


15 posted on 06/12/2013 4:15:03 AM PDT by SgtBob (Freedom is not for the faint of heart. Semper Fi!)
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To: Clint N. Suhks

Last one we had - June 29, 2012 - caused a 700-mile long swath of damage, killed 13, injured hundreds. Take no chances: seek shelter ASAP. And get everything that loose outside - chairs, tables, BBQs etc - secured.

Thanks for the warning.

http://www.accuweather.com/en/weather-news/deadly-super-derecho-strikes-m/67383


16 posted on 06/12/2013 4:23:19 AM PDT by carriage_hill (Guns kill people, pencils misspell words, cars drive drunk & spoons make you fat.)
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To: Clint N. Suhks

these sure are getting more common

that super-secret govt program up in Canada must be malfunctioning

or is it?


17 posted on 06/12/2013 4:29:15 AM PDT by fnord (My life is like the movie Willard, except with hummingbirds)
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To: Clint N. Suhks

so now are they going to name “derechos”?

Derecho Derrick? Darrell? Donald Derecho?


18 posted on 06/12/2013 4:31:16 AM PDT by silverleaf (Age Takes a Toll: Please Have Exact Change)
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To: Clint N. Suhks

Thanks for the linky here (from the q&R thread).

Not derecho related, but in March of 2011 we had an F1 go by. Unheard of in my area of SW PA. Roof was tarped for weeks (had to be replaced along w/siding, etc.). Learned a healthy respect for weather that it does happen here. When storms are forecast I pay attention and visit the TORCON page.

If nothin else, my gnome will be safe!


19 posted on 06/12/2013 4:37:20 AM PDT by PennsylvaniaMom (G-d be with and keep safe Edward Snowden!)
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To: fnord
these sure are getting more common

They are not getting more common, but MSM weather hype is getting more common.

20 posted on 06/12/2013 5:00:28 AM PDT by palmer (Obama = Carter + affirmative action)
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To: PennsylvaniaMom
Unheard of in my area of SW PA

There are tornadoes in SW PA, although not a lot.

21 posted on 06/12/2013 5:05:12 AM PDT by palmer (Obama = Carter + affirmative action)
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To: palmer
They are not getting more common, but MSM weather hype is getting more common.

Exactly my point.

Joe Bastardi made a good point a week or so back when he pointed out that we're calculating tornado strength by radar but still using the Fujita scale which used damage done to calculate windspeeds. Using radar is great but you've got to use a scale that fits it.
22 posted on 06/12/2013 5:25:59 AM PDT by cripplecreek (REMEMBER THE RIVER RAISIN!)
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To: cripplecreek

I just brought in all my deck things ...here in Western Pa....the maps are red for this area so am not taking any chances.


23 posted on 06/12/2013 5:28:33 AM PDT by caww
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To: cripplecreek

Yeah, the OKC event was a circus. They literally had 100’s of storm chasers, a few serious and experienced, the rest were amateurs at best. It was multi-funnel with the funnels going every which way. No large EF-4 or EF-5 funnel in any pictures I saw (or radar). But it got labeled an EF-5 based on some experimental radar estimates. Likely was an EF-3 or more than one EF-3 throwing those cars around.


24 posted on 06/12/2013 5:35:24 AM PDT by palmer (Obama = Carter + affirmative action)
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To: cripplecreek

Derecho is a Spanish word. It’s yet another effort to make our language comply with political correctness. A few years ago there was an effort to rename wind storms as a “haboob”... A boob-headed idea that failed.


25 posted on 06/12/2013 5:52:48 AM PDT by ViLaLuz (2 Chronicles 7:14)
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To: Clint N. Suhks

derecho...La derecha (”right” in Spanish)...George Bush’s fault???


26 posted on 06/12/2013 5:57:36 AM PDT by moovova
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To: ViLaLuz

Joe Bastardi just posted this to twitter.

Joe Bastardi @BigJoeBastardi

Interesting how everyone got Derecho happy last year. This looks more like lines of thunderstorms, with the curved arc heavy rain n of track


27 posted on 06/12/2013 6:06:30 AM PDT by cripplecreek (REMEMBER THE RIVER RAISIN!)
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To: cripplecreek

Well those Latinos need to know when a bad storm is coming!


28 posted on 06/12/2013 6:13:09 AM PDT by Conserev1 ("Still Clinging to my Bible and my Weapon")
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To: Clint N. Suhks

Isn’t this sort of storm also called a squall line? I’ve never heard the term “derecho” (”right” in Spanish) applied to a storm.


29 posted on 06/12/2013 6:16:11 AM PDT by Fiji Hill (Io Triumphe!)
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To: momincombatboots

I don’t know which was worse last year for us here in North Central WV, the Derecho or Sandy. Both had prolonged power outages, Sandy being longer for me, but the Derecho was more widespread and came without warning.


30 posted on 06/12/2013 6:46:48 AM PDT by Roccus
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To: Clint N. Suhks

Derecho? Sounds like a big rain storm to me. But then, it seems the media is always trying new words to panic the public.

Remember “Thorms” and El NINO?


31 posted on 06/12/2013 6:55:23 AM PDT by Ruy Dias de Bivar (Sometimes you need 7+ more ammo. LOTS MORE.)
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What is the Waffle House rating of a Derecho?


32 posted on 06/12/2013 6:58:49 AM PDT by fulltlt
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To: raisincane

Great. We had one of these things last year and power was out for weeks in some parts of the city, during a heat wave. Fallen trees sealed off neighborhoods for days.

I still don’t know what a derecho is, though.....I’m pretty sure they made up the term. We used to have plain old “straightline winds.”


33 posted on 06/12/2013 6:59:52 AM PDT by CatherineofAragon ((Support Christian white males----the architects of the jewel known as Western Civilization).)
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To: CatherineofAragon

FOX News Radio anchor can’t even pronounce it right...


34 posted on 06/12/2013 7:08:58 AM PDT by who knows what evil? (G-d saved more animals than people on the ark...www.siameserescue.org.)
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To: ViLaLuz

I think they still use haboob in AZ, but only because of the dust.


35 posted on 06/12/2013 7:15:41 AM PDT by Ben Ficklin
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To: who knows what evil?

LOL, not surprised


36 posted on 06/12/2013 7:15:42 AM PDT by CatherineofAragon ((Support Christian white males----the architects of the jewel known as Western Civilization).)
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To: Clint N. Suhks

The following link has nothing to do with a derecho but has everything to do with “heat bursts”. This happened yesterday in Nebraska. Very interesting.

http://www.crh.noaa.gov/news/display_cmsstory.php?wfo=gid&storyid=95313&source=0


37 posted on 06/12/2013 7:17:58 AM PDT by old_sage_says ("Do not wish ill for your enemy, plan it.." Brad Thor)
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To: Clint N. Suhks

Note to self- turn off weather channel- They will having orgasms all day.


38 posted on 06/12/2013 7:30:05 AM PDT by contrarian (RAIN IS WET- THE WIND BLOWS- WE ARE DOOOOOOOOMED I TELL YOU- stay safe folks.)
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To: Roccus

Well I can’t speak from experience... but I can say, the Derecho was without warning, winds over 100 mph... No prep time, no time to escape. IMHO, devastation is devastation.. however, no warning and no sheltering time is very dangerous. I cannot believe the death toll was so low. I was grateful to hear from my family suddenly pelted with limbs, trees, debris from houses while driving.


39 posted on 06/12/2013 7:42:53 AM PDT by momincombatboots (Back to West by G-d Virginia.)
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To: palmer

Ya NEVER want to end up as a red dot on a map:-/


40 posted on 06/12/2013 7:47:16 AM PDT by PennsylvaniaMom (G-d be with and keep safe Edward Snowden!)
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To: Clint N. Suhks

MAXWELL SMART: “Oh no, Chief! - not Derecho! Anything but Derecho! We’re not prepared for Derecho! Derecho will mean total disaster! If Derecho hits, we’re doomed! Just one question, Chief: What is Derecho?”


41 posted on 06/12/2013 7:50:41 AM PDT by GreenHornet
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To: Clint N. Suhks

Heading for Washington...again.


42 posted on 06/12/2013 9:01:18 AM PDT by who knows what evil? (G-d saved more animals than people on the ark...www.siameserescue.org.)
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To: momincombatboots
If the dericho comes this time, now that we have some warning, I'll be more prepared than last. Though I got through that one OK in my narrow hollow, I did have to dip into the tank of my car to keep the generator running until the local gas stations were up, loaded and running. I felt for the snowbirds coming up I79. Gas stations, restaurants, grocery stores and motels closed for miles in all directions of the US 33 interchange. Those folks were just stranded.
That 2 foot of heavy, wet snow from Sandy however did a bit of damage with limbs coming down on the roof and gutters. I was prepared for hurricane type rain, NOT a blizzard. Had to shovel a path of more than 150’ over my lawn so I could haul wood for heat. Had I known it was gonna snow like that, there would have been more wood at the house. lol
All through the county there is STILL plenty of damage from Sandy to be seen...still plenty of widow-makers over and off the roads. I still have four brush piles from the tops of downed trees on the other side of the creek that runs through my property. At least those trees gave me a start on next winter's wood supply.:)
43 posted on 06/12/2013 9:41:51 AM PDT by Roccus
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To: Clint N. Suhks

If’n I were to die from flyin garden gnomes and that made the obit...I’d haunt the writer


44 posted on 06/12/2013 12:21:18 PM PDT by advertising guy (golf in june in Phoenix ? it's so dry, our gators use Gold Bond)
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To: fulltlt
What is the Waffle House rating of a Derecho?

Five Bert's


45 posted on 06/12/2013 12:32:18 PM PDT by COBOL2Java (Fighting Obama without Boehner & McConnell is like going deer hunting without your accordion)
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To: Ruy Dias de Bivar

and that storm in central fla caused by that white hispanic


46 posted on 06/12/2013 12:33:12 PM PDT by advertising guy (golf in june in Phoenix ? it's so dry, our gators use Gold Bond)
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To: advertising guy
and that storm in central fla caused by that white hispanic

Rubio?

47 posted on 06/12/2013 12:33:54 PM PDT by COBOL2Java (Fighting Obama without Boehner & McConnell is like going deer hunting without your accordion)
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To: COBOL2Java

Boom Boom Zimmerman


48 posted on 06/12/2013 12:35:19 PM PDT by advertising guy (golf in june in Phoenix ? it's so dry, our gators use Gold Bond)
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To: rightwingintelligentsia

Ever wonder why I watch the weather warning so closely? Here’s what we do to stay ahead of the storm for you:

1. Make sure our schedules are printed out for the next 72 hours in case of loss of power.

2. Send emails to all returning clients to be sure they have our mobile numbers to text any flight/travel delays to us.

3. Pre-load vehicles with an extra pet carrier in the event your pet needs to be evacuated post storm(s).

4. Confirm alternate pet kenneling locations for both cats or dogs

5. Contact back-up sitters to be prepared to assist if needed.

Never, never underestimate the value of a good pet sitting company....still quiet here, but time for me to get moving again for a doggy daycare pick-up, an evening feed & walk weather permitting, and a visit to an epileptic cat for her meds.... plus a last stop to top off gas.


49 posted on 06/12/2013 12:42:58 PM PDT by EBH (The government that sits in Washington, D.C. is not the United States government.)
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To: advertising guy

I thought it was good advice. She wouldn’t want her garden gnomes to go on walkabout and lose their way home.

Come to think of it she better put the pink flamingoes in their coop.


50 posted on 06/12/2013 2:34:43 PM PDT by Clint N. Suhks
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