WEATHER SATURDAY FEBRUARY 17 2024 NE SNOW , FLORIDA AND NORTH CALIY RAINS

Heavy snow over parts of the Central Appalachians/northern
Mid-Atlantic, PHILADELPHIA AND NYC
Lake-effect snow over parts of the Great Lakes and snow over the
Pacific Northwest to the Central Rockies and Sierra Nevada Mountains.
There is a Slight Risk of excessive rainfall over parts of California
from Saturday into Sunday.
A wave of low pressure over the Ohio Valley will move northeastward off
the Mid-Atlantic Coast by Saturday morning. The system will create snow
over the Middle Mississippi Valley/Ohio Valley and heavy snow over parts
of the Central Appalachians and northern Mid-Atlantic from Friday evening
into Saturday morning. The snow will result in reduced visibility and
hazardous driving conditions. The snow will linger over parts of the
Central Appalachians/northern Mid-Atlantic through Saturday evening.
Moreover, showers and thunderstorms will develop over parts of the
Southern Ohio/Tennessee/Lower Mississippi Valleys, ending on Saturday. The
showers and thunderstorms will move into parts of the Southeast overnight,
Friday through Sunday.
Furthermore, upper-level energy moving over the Great Lakes into the
Northeast will produce lake-effect snow downwind from the Great Lakes,
with the heaviest amounts over the eastern UP of Michigan and northwestern
LP of Michigan. Other areas of heavier snow will be downwind from Lakes
Erie and Ontario. The snow will continue through Sunday. The snow will
result in reduced visibility and hazardous driving conditions.
Additionally, upper-level energy over the Northern Rockies will aid in
creating snow over parts of the Great Basin and the Central Rockies
through early Saturday morning. On Saturday morning, snow will develop
over parts of the Central/Southern High Plains, ending by Saturday
evening. The snow will result in reduced visibility and hazardous driving
conditions.
Meanwhile, a front off-shore from the West Coast will move onshore and
dissipate by Saturday evening. Upper-level energy associated with the
dying front moves over the Pacific Northwest, producing rain and
higher-elevation snow from early Saturday morning through Sunday. Snow
will also develop overnight Saturday into Sunday over parts of the
Northern Intermountain Region.
In addition, on Saturday, rain and higher-elevation snow will develop over
parts of Northern/Central California. Further, a plume of moisture will
stream into California on Saturday, producing areas of heavy rain.
Therefore, the WPC has issued a Slight Risk of excessive rainfall over
parts of Northern California from Saturday into Sunday morning. The
associated heavy rain will create mainly localized areas of flash
flooding, with urban areas, roads, small streams, and burn scars the most
vulnerable.
On Sunday, the plume of moisture will move over Southern California,
producing heavy rain from Northern California to Southern California.
Therefore, the WPC has issued a Slight Risk of excessive rainfall over
parts of Northern California to Southern California on Sunday. The
associated heavy rain will create mainly localized areas of flash
flooding, with urban areas, roads, small streams, and burn scars the most
vulnerable.