Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
357 AM EDT Sat May 30 2020
Valid 12Z Sat May 30 2020 - 12Z Mon Jun 01 2020
...There is a slight risk of severe thunderstorms and associated heavy
rain producing excessive rainfall over parts of the Pacific Northwest...
...Temperatures will be 10 to 20 degrees above average over the Northern
Rockies and the Northern High Plains...
...Elevated to Critical fire weather conditions across the Southern Great
A cold front will move off the East Coast bring an end to showers and
thunderstorms over the region on Saturday. Locally heavy rain along the
front across coastal sections of the Carolinas also on Saturday.
An exception to the mostly dry weather across the country will be along
portions of the West Coast from Northern California into the Pacific
Northwest. A strong upper-level low will move northeastward across the
areas Saturday into Sunday, setting the stage for heavy rains and
potentially severe weather. The SPC has issued a slight risk of severe
thunderstorms over parts of the Pacific Northwest. The main theats will be
damaging thunderstorm wind, hail, and tornadoes. Heavy rain associated
with the storms will produce mainly scattered flash flooding over the same
region. Because of the threat the WPC has issued a slight risk of
excessive rainfall over the area.
On the southeast side of this strong upper low, gusty winds and low
relative humidities That will support Elevated to Critical fire weather
conditions over portion of the Southern Great Basin.
Record high temperatures are possible Saturday across the Northern Great
Basin into the Northern Rockies and into the Northern High Plains on
Sunday. Ahead of the area of heavy rains over Northern California into
the Pacific Northwest, Temperatures will be 10 to 20 degrees warmer than
average across these areas. In contrast, below average temperatures are
expected to push eastward from the Upper Mississippi Valley/Great Lakes
region on Saturday and into the Northeast on Sunday.
Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php