873 
fxus63 kmpx 071804 
afdmpx 


Area forecast discussion 
National Weather Service Twin Cities/Chanhassen Minnesota 
1204 PM CST Wednesday Jan 7 2009 


Update... 
updated to add 18z aviation discussion. 


&& 


Aviation.../18z taf issuance/ 
conditions beginning to improve across the area...especially over Minnesota. 
Snow is still lingering across Wisconsin with eau and rnh still 
reporting occasional snow...as they are still within the cyclonic 
flow associated with a low moving across the eastern Great Lakes. 
Cold air is pushing into the area and as it comes in from the 
Dakotas skies are clearing out...as has occurred already in axn 
and rwf. High pressure will slowly nose in from the Dakotas 
through tomorrow...allowing winds to remain 10 kts or less across 
the area. Once the snow moves out of west central Wisconsin this 
afternoon...not expecting any more precipitation until after the 
valid taf period. Visibilities and ceilings should also remain VFR 
from 00z tonight on...with most cloud cover holding off until 
after 18z Thursday...even for the western terminals. Feel models 
are holding on to low level moisture for too long and based on 
current trends decided to clean things up much earlier than models 
would like. 


&& 


Previous discussion... 
/issued 1108 am CST Wednesday Jan 7 2009/ 
as suspected earlier it appears cloud redevelopment will be 
limited given coldness of airmass and lack of mixing into the 
better lapse rates above. Better cyclonic flow is also shifting 
east... so worked up quick update to include more optimistic 
conditions for the balance of the day. Some snow shower and flurry 
activity is still possible across east central and south central 
Minnesota through early afternoon... but otherwise allowing for 
skies to become partly to mostly sunny as is being seen in the 
upstream observation. 


&& 


Mpx watches/warnings/advisories... 
Minnesota...none. 
WI...none. 
&& 


$$ 


Mg/trh