Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
328 AM EDT Tue Sep 19 2017

Valid 12Z Tue Sep 19 2017 - 12Z Thu Sep 21 2017

...Hurricane Jose will produce dangerous surf conditions and rip currents
along with heavy rainfall across the Northeast...

...Severe weather possible across the northern Plains...

...Snow possible in the higher elevations of the Cascades and Northern
Rockies...

Hurricane Jose will continue moving in a northwest track while staying
well of the East Coast of the U.S.  However, dangerous surf conditions
along with the threat of rip currents will be possible from the North
Carolina coast into New England.  In addition, heavy rainfall from Jose
will begin to increase across southern New England by Tuesday afternoon. 
These rainfall amounts will increase especially in coastal New England
through Wednesday morning.  By Wednesday evening, rainfall coverage will
decrease and completely taper off by Thursday morning.  There is a slight
chance of flash flooding for southern New England on Tuesday.  For the
most current information, see the National Hurricane Center
(www.hurricanes.gov).

A strong cold front ejecting into the northern Plains by Tuesday afternoon
will bring with it showers and thunderstorms.  This line of convection
will begin firing off on Tuesday evening and continue overnight as it
moves into the Upper Midwest.  There is an enhanced risk of severe weather
in the eastern portions of the northern Plains and parts of the Upper
Midwest in addition to a marginal risk of flash flooding. As the cold
front extends from the Upper Great Lakes and into the middle Mississippi
Valley on Wednesday, the line of showers and thunderstorms will also move
across these areas.  There is a marginal risk of severe thunderstorms in
these regions.  For more information regarding severe weather associated
with this system, please see the Storm Prediction Center
(www.spc.noaa.gov).

Prior to the strong cold front that will cause the severe weather in the
northern Plains, it will move through the Intermountain West by Tuesday
morning.  Behind it, widespread precipitation is expected across the
Pacific Northwest and Northern Rockies is expected.  Another front will
approach the Pacific Northwest coast by late Tuesday night which will
bring more precipitation to this region.  This front will move through the
Pacific Northwest overnight, and by Wednesday it will continue moving
through the Intermountain West.  Heavy rainfall will follow it across both
of these regions.  On Thursday morning, precipitation amounts will
decrease in the Pacific Northwest and parts of the Northern Rockies. 
However, precipitation near the front will still give way to heavier
amounts.  Higher elevation snow is expected during the short term period
along the Cascades and the Northern Rockies; however, snowfall in the
Cascades will begin to taper off during the day on Thursday. 


Reinhart

Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php