A Pacific system will bring gusty winds, moderate to heavy rain, and high elevation snow to California tonight which will shift to the southern California for Wednesday. This may cause travel impacts due to snow and debris flow flooding on recent burn scars. Higher elevation snow for the mountains of southern California and the Sierra Nevada range can also be expected, although accumulations should remain fairly light as a whole through much of Thursday.
...Expect hazardous winter travel conditions from the Southern Plains to the Mid-Atlantic Coast, with significant snow and ice in the Southern Appalachians... A strong storm over the Central Gulf Coast will move eastward to the Southeast Coast by Sunday morning then move northeastward out over the Atlantic Ocean by Monday morning. The system will produce rain and snow over the northwestern edge of the precipitation shield
The concern for tonight and Saturday will be severe weather and heavy rainfall which is expected to impact areas of the southern Plains, lower Mississippi Valley and Gulf Coast states as deepening low pressure near the Oklahoma and Texas panhandles ejects off to the east overnight and then toward the Midwest on Saturday. Widespread showers and thunderstorms will develop along and south of the front overnight.
A Great Lakes Cutter will enter the region late in the evening of December 1st, with precipitation mainly occurring as rain, with a few isolated ridgelines experiencing sleet. After that, the warm air pushes north, meaning that rain will occur throughout the entire region except the Presidential Range and Northern Maine. There is a possibility of backend snow as shortwave troughs rotate through.
A low-impact winter storm system will begin impacting the Northeast from Friday November 30th. This is a result of a fast-moving shortwave which should depart the region at around midnight on Saturday December 1st. Based off current modeling, it appears that any precipitation will not be long-lived nor have high rates, with QPF numbers being low across the board. The highest totals are expected in the Catskills, Poconos, Hudson Highlands, and the lower Taconics.
...Heavy precipitation is expected near northern California over the next few days with significant snowfall in the Sierra-Nevada into Friday morning... A series of storm systems will bring the threat for heavy rainfall over recent wildfire burn scar regions in California over the next couple of days. Excessive rainfall could lead to flash flooding, mud slides, rock, and debris flows. The potential exists for heavy snowfall, strong winds, and dangerous travel.
...Heavy rainfall to impact a small portion of the northern Mid-Atlantic... ...Heavy snowfall impacts parts of New England on this evening through Tuesday evening... the front associated with the surface low bringing snow to the Great Lakes/Mississippi Valley region will approach the eastern portions of the southeast states, Mid-Atlantic and Northeast today. Expect rainfall along and ahead of the front across the Mid-Atlantic southward to central Florida.
Significant winter storm will bring heavy snow and potential blizzard conditions from the Central Plains into the Great Lakes through Monday...A vigorous upper level low pushing across the central Plains also has an accompanying surface low that will move into the middle Mississippi Valley this afternoon. Heavy to significant snowfall is expected in parts of the central Plains and Missouri River Valley today,.
A swath of 10+ inch snowfall totals are expected, with locally higher amounts over a foot is possible. In addition to heavy snow, strong winds will accompany this system resulting in potential blizzard conditions and dangerous travel conditions to end the Holiday Weekend. Blizzard and winter storm warnings, along with winter weather advisories and winter storm watches are in effect across portions of the upper Great Lakes.