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Archive Severe threat April 26-27, 2011

wxfan22
Posted 26 April 2011 - 09:05 PM

I noticed the air has stabilized a great deal over north ms and west TN....will this reduce our chances of overnight severe activity?
 
WxFreak
Posted 26 April 2011 - 09:13 PM

the polygon for the lee co storm looks strange to me. The general motion of the cell is NE but the polygon is due east...

i have been watching the millington cell since it was in memphis, and has had broad rotation but tightened up right before it went over the dead zone at the radar. now tripping a tvs on gr3...
 
mwbwhorton
Posted 26 April 2011 - 09:24 PM

the shreveport supercell is trucking right down interstate 20,Grambling,Ruston then Monroe-West Monroe pop 100000 need
to be alert for huge hail and a possible tornado....
 
mwbwhorton
Posted 26 April 2011 - 09:31 PM

weunice, on 26 April 2011 - 09:26 PM, said:

Looks like Quitman might take a hit to the north side of it. I went to Tech so this is hard for me to watch
Click to expand...

I understand right now the tornado area is sothof the interstate looking as though it will pass just south of La tech hopefully avoiding ruston though the extreme south side of town may be in trouble...
 
gawxnative
Posted 26 April 2011 - 09:33 PM

GregWx, on 26 April 2011 - 09:23 PM, said:

My link

Wow..Sig Tor index is a 12 over SE TX according to SPC meso page.
Click to expand...

and Craven-Brooks sig.svr is 130,000 with pockets of 140,000 (sig.svr likely at values of 20,000 and above)
 
David in SW Blount
Posted 26 April 2011 - 09:34 PM

weunice, on 26 April 2011 - 09:26 PM, said:

Looks like Quitman might take a hit to the north side of it. I went to Tech so this is hard for me to watch
Click to expand...


Tech alumnus here too!
 
FlorenceWx
Posted 26 April 2011 - 09:34 PM

Tornado watch #222 now out for Lauderdale, Colbert and Franklin until 5:00 am
ww0222radarinit.gif
 
mwbwhorton
Posted 26 April 2011 - 09:38 PM

David in SW Blount, on 26 April 2011 - 09:34 PM, said:

Tech alumnus here too!
Click to expand...

well david like i said it looks to pass..the tornado rotation that is just south of tech across the south edge of ruston however ruston may get slammed with large hail dangerous storm there....
 
mwbwhorton
Posted 26 April 2011 - 09:40 PM

Can't believe tornado watch 222 is not PDS not with whats coming down I-20.....
 
mwbwhorton
Posted 26 April 2011 - 09:42 PM

i20 supercell still tornado warned... tornado likely near Grambling and Ruston take cover now.....its seven miles south of ruston or 7 miles ne of quitman moving east at 40 mph...
Edited by mwbwhorton, 26 April 2011 - 09:43 PM.

 
Zach Pearce
Posted 26 April 2011 - 09:42 PM

mwbwhorton, on 26 April 2011 - 09:40 PM, said:

Can't believe tornado watch 222 is not PDS not with whats coming down I-20.....
Click to expand...
Tornado Watch 222 is PDS
 
steveklein
Posted 26 April 2011 - 09:45 PM

im actually kinda surprised it is PDS... i kinda figured things between say now and 8 or 9am won't be *as bad* as from say 3pm to 10pm just because of the thermodynamics and because the storms further northwest have gone linear in areas.
 
mwbwhorton
Posted 26 April 2011 - 09:46 PM

Well it was not broadcast as such when my weather radio went off they just said tornadowatch 222 is ineffect till whenever
said nothing about it being pds ...
Edited by mwbwhorton, 26 April 2011 - 09:46 PM.

 
Fred Gossage
Posted 26 April 2011 - 09:46 PM

steveklein, on 26 April 2011 - 09:45 PM, said:

im actually kinda surprised it is PDS... i kinda figured things between say now and 8 or 9am won't be *as bad* as from say 3pm to 10pm just because of the thermodynamics and because the storms further northwest have gone linear in areas.
Click to expand...


They kept the tornado-induced High Risk for part of the watch area; so, they had to put in PDS wording because of office policy.
 
steelers
Posted 26 April 2011 - 09:48 PM

I am stunned

From Bill Murray ABC 33/40 blog...

IRONIC NOTE
From a forecaster at the NWS Little Rock just a minute ago on the NWS Chat: Storm surveys for last night’s storms: Vilonia area was rated EF2, neither the beginning nor ending point has been found. Sunshine area in Garland County was rated EF2. Surrey Rd. area northwest of Fountain Lake in Garland County was rated EF3. Hot Springs Village was rated EF1. Sorry I can’t send out a Public Information Statement. All of the workstations are tied up with severe weather.
 
Fred Gossage
Posted 26 April 2011 - 09:53 PM

We're already seeing a gradual degredation of the activity across northern Louisiana (as compared to earlier, I know there are still fully warranted warnings there). With the advection of 700-mb temperatures as high as 10 deg C from the south and southwest overnight across MS/AL, I think this weakening/shrinking trend will continue. I remain unconvinced that there will be problems with the warm sector being contaminated south of the TN line tomorrow... and I still think it's quite possible that the low-level jet axis clears for destabilization further north tomorrow also.

 
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