Polar Vortex over the Dakotas? LOL. (sorry had to)
https://twitter.com/juliancd38/statu...74508504129536
Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
459 PM EDT Tue Aug 18 2015
Valid 00Z Wed Aug 19 2015 - 00Z Fri Aug 21 2015
***Strong low-pressure system moving across the Upper Midwest***
***Warm and dry over the western U.S., and humid for the East Coast***
The main feature of interest across the nation is the strong low pressure
system tracking over the Upper Midwest and the northern Great Lakes.
This
is stronger than most low pressure systems for this time of year, and it
is expected to have widespread weather impacts from the northern Plains to
the Deep South. Severe thunderstorms are expected across parts of the
central Plains, and also over parts of Illinois and Wisconsin Tuesday
evening ahead of the cold front that is associated with this low. Ahead
of this front, a broken band of showers and storms is expected from Texas
to the Ohio Valley on Wednesday as deep moisture from the Gulf of Mexico
gets drawn northward. Scattered areas of heavy rainfall are likely as
well.
Behind the front, much cooler weather will arrive along with gusty
northwest winds.
It will feel more like fall instead of August across the
Dakotas and over Minnesota. For the western U.S., warm and dry weather is
forecast to continue through mid-week as high pressure remains over that
region. For the East Coast, warm and humid conditions are expected ahead
of the cold front.
Hamrick
WPC's Short Range Public Discussion