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February 20-22 Storm Potential


Hoosier

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I wonder if there are any more north movements left in this one.

Doubtful ... looking at satellite there the S/W is not all that strong and not that well defined.    It would need some rapid strengthening for us north of Detroit.   Since this is going south I am hopeful for the CMH, IND and LAF crew to get a decent system out of it.

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at this range shouldn't you favor the rgem?

 

Yeah, I'm not really that "worried" about the GGEM.

 

12z Ukie total QPF. It kinda changed the orientation of the precipitation...and added some in places, subtracted some in places...but by and large the same look as the 0z run.

 

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Yeah this never had the look of a system that cuts well north or northwest

 

with such a pos tilted trough, that was my original thoughts too.... but others talking about models underplaying pac energy etc, had me convinced that this was going to be a wagons north.

 

hell, i'm not convinced the south trend is done

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with such a pos tilted trough, that was my original thoughts too.... but others talking about models underplaying pac energy etc, had me convinced that this was going to be a wagons north.

 

hell, i'm not convinced the south trend is done

It seems to have settled into your area ... you should get a decent storm out of this! 

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IWX has cut the totals down to 2-3" in their southern areas on their zone forecasts. However, the forecast discussions still agree on 5" for most of the srn half of their area. Still think that we could easily get 4-5" out of this on the north side of the storm. Srn OH with the jackpot this time!  :snowing:

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with such a pos tilted trough, that was my original thoughts too.... but others talking about models underplaying pac energy etc, had me convinced that this was going to be a wagons north.

 

hell, i'm not convinced the south trend is done

 

 

 

To be fair, depends what model you're talking about as some earlier runs had a neutral to negatively tilted wave.  Here's the 12z GGEM from the 18th

 

 

post-14-0-68491100-1424453312_thumb.png

 

 

But the modeled look for tomorrow is now much more positively tilted

 

 

post-14-0-50302000-1424453402_thumb.png

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As much as I hate to do it... ;) ....got to also give props to Alek.... he never bought into it for his backyard, even when the models were jumping north.

As with last weekends system there was only 1 cycle run that bought those storms near ORD. Model trends in both cases abruptly trended south. And yes, ALE commented appropriately he wasn't expecting much if anything from them. First and final call for ORD 3.3".

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Not liking the trends up here. Looks like convection across the TN Valley is going to siphon off a lot of our moisture.

Yeah my flags fly up whenever I see those 2"- 4" QPF bulleyes in the south like that.  As said I was never all that found of this set particular setup.  Maybe those ARW SREF members can prove me wrong :P

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URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
152 PM EST FRI FEB 20 2015

Accumulating winter precipitation is expected late tonight
through saturday...

INZ021-028>031-035>049-210300-
/O.UPG.KIND.WW.Y.0010.150221T0300Z-150222T0100Z/
/O.EXB.KIND.WS.W.0004.150221T0000Z-150222T0000Z/
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE-
PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-
INCLUDING THE CITIES OF...LAFAYETTE...FRANKFORT...KOKOMO...
CRAWFORDSVILLE...ANDERSON...MUNCIE...INDIANAPOLIS
152 PM EST FRI FEB 20 2015

...winter storm warning in effect from 7 PM this evening to 7 PM
EST saturday...

the National Weather Service in indianapolis has issued a winter
storm warning primarily for heavy snow, which is in effect from 7 PM
this evening to 7 PM EST saturday. the winter weather advisory is
no longer in effect.

* timing, snow will overspread central indiana late tonight
  through saturday. sleet may periodically mix in with the snow
  near and south of interstate 70 late tonight and saturday
  morning. 

* accumulations, 4 to 8 inches of snow.

* main impacts, slick and snow covered roads. hazardous travel 
  conditions. 

precautionary/preparedness actions...

a winter storm warning for heavy snow means severe winter weather
conditions are expected or occurring.  significant amounts of
snow are forecast that will make travel dangerous. only travel in
an emergency. if you must travel, keep an extra flashlight...
food, and water in your vehicle in case of an emergency.

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