Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
400 PM EDT Sun May 01 2022

Valid 00Z Mon May 02 2022 - 00Z Wed May 04 2022

...A low pressure system is bringing areas of heavy rain and a slight
chance of severe thunderstorms across the Mid-Atlantic through Monday
morning...

...Another low pressure system is forecast to bring heavy rain, a slight
chance of flash flooding, and an enhanced risk of severe thunderstorms
across portions of the central Plains toward the mid-Mississippi Valley on
Monday...

...Still another low pressure system is forecast to bring high-elevation
snow into the northern Rockies on Tuesday...

...There is a Critical Risk of fire weather over parts of the Southwest
and southern Rockies...

A parade of low pressure systems is forecast to march across the country
from coast to coast through the next couple of days.  The center of the
eastern-most system is currently tracking across the Great Lakes with
mainly light amounts of rain.  In contrast, a threat of heavy rain along
with a slight risk of severe thunderstorms is forecast for the
Mid-Atlantic tonight through Monday morning ahead of the trailing cold
front as Atlantic moisture is being directed into the region.  The rain is
expected to slowly move off the East Coast on Monday as the system and
cold front move farther east.

Meanwhile, another low pressure system is currently organizing across the
interior western U.S.  This system is forecast to intensify over the
central Plains on Monday, bringing an increasing threat of heavy rain, a
slight chance of flash flooding, and an enhanced risk of severe
thunderstorms from the central Plains eastward toward the mid-Mississippi
Valley.  This system will initially bring mixed rain and snow across the
northern and central Rockies into tonight before a swath of wet snow
develops over the central High Plains on Monday when the low pressure
system is forecast to intensify over the central Plains and draw cold air
down from the north behind the system.  On Tuesday, the center of the low
is forecast to move across the Midwest with a swath of rain, locally
heavy, moving from the Midwest into the lower Great Lakes.

Still another cold front from the Pacific is forecast to reach the West
Coast on Monday with colder air surging into the region behind it.  A low
pressure system is forecast to develop across the interior western U.S.
Monday and into Tuesday, bringing high-elevation snow and low-elevation
rain across the Pacific Northwest into the northern Rockies.  By later on
Tuesday, the center of the low is forecast to intensify over the central
High Plains with mixed rain and snow extending farther north into the
northern High Plains.

Over the Southwest and into the southern Rockies, persistent dry air
combined with bouts of gusty winds will promote conditions favorable for
wildfires for the next couple of days.

Kong


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