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Moderate Risk! Derecho heading for lower Mississippi Valley! PDF Print E-mail
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Written by Heidi Farrar   
Friday, 12 June 2009 11:05
06.12.09.derechoA derecho has taken shape in northeast Oklahoma and is moving rapidly into Arkansas! Damaging winds of 85 MPH and hail the size of baseballs have already been reported in Oklahoma! The Storm Prediction Center has upgraded most of Arkansas into west Tennessee and northern Mississippi to MODERATE RISK, and a PDS Severe Thunderstorm Watch has just been issued, with winds in excess of 100 MPH and 3"+ hail possible!! 06.12.09.day1otlk_1630 06.12.09.day1probotlk_1630_wind 06.12.09.pds.ww0388_radar

Also below are some photos of the tornado and storm structure Verne Carlson witnessed last night in eastern Colorado; the tornado itself was very hard to see and photograph due to the danger of baseball sized hail falling and a heavy rain curtain!
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Discuss (14 posts)

Joanna762
Re:Moderate Risk! Derecho heading for lower Mississippi Valley!
Jun 13 2009 00:22:54
Cpdenton wrote:
I live just outside Conway. We had a tornado warning issue and the first signs of Doppler indicated rotation were right at our area. We had lots of tree and power line damage within a couple miles of our house. I think a lot of people have it a lot worse than we did. Just lost some of the shingles on the west side of our house. Power will be out a while though. I hope there weren't anyone hurt.

That must have been a bit worrying. Pleased everyone ok. Seems as though there have been a fair bit of damage, like trees down, power out etc.. Was watching the live streams of Conway as the storm passed through, amazing. And looking at it now, you wouldn't think they had anything there at all, nice and sunny and dry!
#13803

updraft1
Re:Moderate Risk! Derecho heading for lower Mississippi Valley!
Jun 13 2009 09:53:39
Spent hours watching this event unfold.
Didnt move from the computer till gone 01.00 UK time.

Just incredible
The live streams were awesome and gave a graphic indication of just how fierce it got out there.

My best event so far on TVN.
So thanks to all

Still got to catch that Tornado on the Streams though.
Patience patience !
#13829

Madstormchaser
Moderate Risk! Derecho heading for lower Mississippi Valley!
Jun 14 2009 03:21:20
This was alot of fun. I got a picture of the funnel rain wrapped to the point i couldn't tell if it was on the ground. I found out later that it didn't touch down. The wind was approximately 65-75mph where i was, and was causing small debris-limbs to go flying everywhere. Not really that strong, but i got nervous to the point i went into a ditch to get right up against a hill on the west side. It was still rocking my vehicke pretty good.
#13933
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0 #1 Caleb 2009-06-12 05:32
Remember a derecho is a long lasting severe wind event. I think this got togeather last night. Yes derechos CAN and do produce tornadoes. It's harder for them to because there is so much rain cooled air inside of it. But if thundersorm developes in front of it can become VERY tornadic and have a better chance of produceing a tornado. Derechos mostly produce landspouts on the leading edge of the storm but the're usally brief. They can also develop gust-nadoes. They can cause damage so take them as a tornado!
 
 
0 #2 ToledoWeatherSpotter 2009-06-12 05:47
I don't know if your in the direct Path but Stay Safe Heidi! -Brandon
 
 
+4 #3 tornadolover210 2009-06-12 06:08
Oh boy, PDS time! Be extra safe and good luck today.
-tori
 
 
+3 #4 Inez 2009-06-12 06:48
I don't see any chaser out there!!
 
 
+2 #5 txbenjo 2009-06-12 07:54
Wow. Drove right into the base of this storm just west of Jay Oklahoma around 10:30am. Incredible shelf cloud with great rotation and gusts around 80-90mph. Golf ball size hail and very dangerous with all the rain...didn't mean so much to get in that position...
 
 
+1 #6 ebru1331 2009-06-12 09:29
where are all the storm chasers. if anyone knows e mail me at . are they on a diff site. also for the deadliest catch fans and storm chaser fans you can watch the live dutch harbor web cams and track the fishing vessels like we track the storm chasers here at marinetraffic.com. it is really cool to have all the tabs open at once so i do not miss anything at all anywhere.
 
 
+2 #7 stormin_nz 2009-06-12 11:18
there's some great info on them on Wikipedia .. good reading for a fella from the other hemisphere where we don't get them

http://en.wikipedia.org/wiki/Derecho
 

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