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Severe weather outbreak likely - strong tornadoes possible this evening! PDF Print E-mail
News - Tornadoes
Written by Reed Timmer   
Saturday, 25 April 2009 11:26

04.25.09.nam_221_2009042512_f12_hlcy_1000_m_above_ground_0_m_above_ground 04.25.09.nam_221_2009042512_f15_hlcy_1000_m_above_ground_0_m_above_ground

Tornadic thunderstorms are likely this afternoon and especially this evening across the eastern Texas panhandle, western Oklahoma and southwest Kansas. Extreme helicity values will exist after sunset, which will increase the potential for any tornadoes that do form to be strong.

 

04.25.09.tornadopotential 04.25.09.hailprob 04.25.09.day1otlk_1630The Storm Prediction Center has outlined this area as a Moderate Risk, with a 15% tornado probablity in the latest outlook. Extremely large hail will also be possible with these storms, as indicated by the 45% "hatched" area.

A slight risk extends all the way to the Great Lakes!

 

This is a developing, potentialy dangerous weather situation for people in the Moderate Risk area! We'll likely have the highest number of streamers to date in the field, so be sure to follow the Live Tracker and check back for updates as we expect to update the blog again as storms fire.

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Last Updated on Saturday, 25 April 2009 11:35
 
Discuss (1 posts)

thunderhead
Severe weather outbreak likely - strong tornadoes possible this evening!
Apr 26 2009 16:06:10
thanks for the help , helps me understand some of the things going on
#6850

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Comments  

 
+6 #1 James1 2009-04-25 01:47
Strong CAPE is extending all the way up into Michigan. There are two or three severe thunderstorms approaching Ann Arbor and areas near by.
 
 
+7 #2 HeatherB 2009-04-25 01:58
Good luck to everyone that is chasing today. Everything looks good there is even moisture which is something most systems had lacked so far. In southeast ks we are already into the mid 60s for dew points.
 
 
-3 #3 tornadofan 2009-04-25 02:12
hate to say it but might see another greensburg later tonight...the helicity values projected for tonight are insane!!!
 
 
+6 #4 weather nut 2009-04-25 02:16
hi everybody we got thunderstorm watches going up here in ontario canada
 
 
+5 #5 Debo 2009-04-25 02:31
I'm traveling up there to W OK. Hopefully will hook up with someone to chase with as I'm all alone for now. I'm going to get a room somewhere and probably chase tomorrow as well.
 
 
+5 #6 tornadolover210 2009-04-25 02:55
Good luck guys!
...We're getting some storms up here, but there's not a high potential of severe. I think earlier today lightning struck by my house. About the most exciting thing that's going to happen here today...
 
 
0 #7 ToledoWeatherSpotter 2009-04-25 03:05
Stay Safe, the SLGT risk area is right where I am near Toledo. Tomorrow Looks promising too. -Brandon
 
 
+2 #8 JC Surfs 2009-04-25 03:16
Exciting stuff.. I will be on the event tomorrow.. Looks to be a good Sunday as well.. Here we go .. round two... Cheers
 
 
+4 #9 thunderhead 2009-04-25 03:39
ok, I'm fairly new to this site and am unfamiliar with some of the termenology on the site. what does cape mean/stand for??,,ty for all patience and help given
 
 
+4 #10 mesochaser 2009-04-25 04:25
Quoting thunderhead:
ok, I'm fairly new to this site and am unfamiliar with some of the termenology on the site. what does cape mean/stand for??,,ty for all patience and help given


CAPE is the amount of energy or instability in the atmosphere. Any CAPE readings over 1000 Joules is considered sufficient for severe storms provided the other ingredients are present.
 
 
+3 #11 Heidi 2009-04-25 04:31
Here's a link to a thread on the TVN forum with some info on terms, etc. http://www.tornadovideos.net/forum?func=view&catid=18&id=4124
 
 
+3 #12 Heidi 2009-04-25 04:49
Storms are firing south of Pampa, TX.

We will probably have about 20 streams up on the map before the night is over.
 
 
+4 #13 Stormchaser 2009-04-25 04:56
When do you probably think the worst weather will pump up and where is Reed's stream is he going to stream today or not, because i cant find his car?And be safe all of you chasers and non-chasers up there!
 
 
+4 #14 James1 2009-04-25 05:30
tornadofan your right. The setup is almost identical unfortunately. The cap should break in an hour or two. Then all you know what breaks loose.
 
 
+3 #15 James1 2009-04-25 06:04
The cap has just broken. Storms are intensifying and shooting up across OK.
 
 
+3 #16 Heidi 2009-04-25 06:04
You guys might want to make sure you're zooming in as far as you can on the car icons from time to time - when there are several vehicles right next to one another on the same storm, the icons will be piled on top of one another somewhat when viewed from farther out; when you zoom in, you may discover 4-5 cars all in the same place. We can't make the icons any smaller and still have them reasonably visible on the iMap, so just remember to zoom in when you can. 8)
 
 
-2 #17 sooner_in_ks 2009-04-25 06:09
Looks like theres a damn good storm around emporia ks also.
 
 
+3 #18 TexarkanaBaby 2009-04-25 06:12
ARGH! HELP!! Is there a maximum number of viewers per streaming video? I click on a vehicle on the map that shows they are streaming but a connection never gets made! The iMap Stormtracker window pops up and the little thingy goes round and round like it's trying to load but I never get a stream to watch. I have previously been able to view the streams but the last week or two I haven't been able to! Is it "Operator Malfunction" on my part, is there a system problem, is there new software that needs to be downloaded or what??? Any suggestions or help is GREATLY appreciated!
 
 
+4 #19 Heidi 2009-04-25 06:13
David Drummond just reported that a weak tornado just spun up and crossed the road over Ben Holcomb!!! :o I'll let you know as soon as I hear anything else!


Click here for the Live Video FAQ
http://www.tornadovideos.net/forum?func=view&catid=35&id=3295
 
 
+1 #20 James1 2009-04-25 06:27
Low-level rotation on the storm near KS City
 
 
+2 #21 Heidi 2009-04-25 06:28
Check out Chad Cowan's stream in eastern Kansas - his storm is tornado warned and he is in great position (Chase the Storms icon)
 
 
+2 #22 James1 2009-04-25 06:31
i saw it. Wall cloud tightening up
 
 
+2 #23 Stormchaser 2009-04-25 06:44
Looks like a huge wall cloud with nice inflow tail.Might be a big one if produceses.
 
 
-1 #24 Caleb 2009-04-25 07:05
It looked to me that chasethestorm had a weak tornado like 15 minutes ago!!!!! I was a vorticie of the mesocyclone!!! They're on the cell near KC here is a link to the streams if anyone is haveing trouble

http://www.tornadovideos.net/full-screen-chaser-video.php
 
 
+3 #25 Paulie21 2009-04-25 07:14
hey guys. i know chicago suburbs are getting hit by t storm after t storm. but it's just lightning and strong rain. no wind. you guys know if anything around there could turn severe? Thanks for any extra info.
 

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