Weather Outlook for the U.S. for Today Through at Least 22 Days and a Six-Day Forecast for the World: posted December 3, 2024
This article focuses on what we are paying attention to in the next 48 to 72 hours. The article also includes weather maps for longer-term U.S. outlooks (up to four weeks) and a six-day World weather outlook which can be very useful for travelers.
First the NWS Short Range Forecast. The afternoon NWS text update can be found here after about 4 p.m. New York time but it is unlikely to have changed very much from the morning update. The images in this article automatically update.
Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
Tue Dec 03 2024
Valid 12Z Tue Dec 03 2024 – 12Z Thu Dec 05 2024…Heavy snow for the Upper Peninsula of Michigan and the northern Lower
Peninsula on Tuesday and Wednesday……Lake-effect and lake-enhanced snow downwind from Lakes Erie and Ontario
on Tuesday and Wednesday; Moderate to heavy snow over parts of Northern
New England; light to moderate snow over parts of the Central Appalachians
on Wednesday……Temperatures will be 10 to 15 degrees below average over parts of the
Ohio Valley, the Mid-Atlantic, and the Southeast…On Tuesday, high pressure over the Middle Mississippi Valley will slowly
move southeastward off the Southeast Coast by Wednesday night. The high
pressure will create cold temperatures over parts of the Ohio Valley, the
Mid-Atlantic, and the Southeast, bringing temperatures of 10 to 15 degrees
below average.Meanwhile, low pressure over West-Central Canada will move southeastward
to Quebec, Canada, by Thursday. The storm will produce heavy snow over the
Upper Peninsula of Michigan and the northern Lower Peninsula of Michigan
through Thursday. Moreover, lake-effect snow will continue downwind from
Lakes Erie and Ontario on Tuesday. Them on Wednesday, moderate to heavy
lake-enhanced snow develops downwind of Lakes Erie and Ontario through
Thursday.Furthermore, light snow will develop over parts of the Northern
Plains/Upper Mississippi Valley Tuesday through Thursday. Moreover, as the
front moves over the Ohio Valley into the Northeast/Mid-Atlantic, light to
moderate snow will develop over parts of the Ohio Valley and the Central
Appalachians on Wednesday into Thursday. Additionally, moderate to heavy
snow will develop over parts of Northern New England on Wednesday. Light
to moderate snow will develop over other parts of Southern New England and
the Northeast. Rain will also develop over the coastal parts of New
England.Moreover, weak return flow off the Gulf of Mexico will create scattered
showers and thunderstorms over parts of the West/Central Gulf Coast
through Wednesday and rain over parts of the Lower Mississippi/Tennessee
Valleys and Southeast Wednesday into Thursday.Elsewhere, upper-level ridging will create stagnant air conditions over
parts of the Pacific Northwest, leading to areas of dense fog and poor air
quality. However, an approaching front over the Eastern Pacific will usher
moisture into the Pacific Northwest, creating light rain over parts of the
Northwest Coast Wednesday night into Thursday. Furthermore, a High Wind
Watch will be in effect over parts of the Northern Rockies through late
Tuesday morning.
To get your local forecast plus active alerts and warnings click HERE and enter your city, state or zip code.
Learn about wave patterns HERE.
Then, looking at the world and of course, the U.S. shows here also. Today we are looking at precipitation.
In case you missed the December update we posted yesterday, this graphic summarizes it.
NOAA provided a combination of the Updated Outlook for the New Month and the Three-Month Outlook.
The top pair of maps are again the Updated Outlook for the new month. There is a temperature map and a precipitation map. The bottom row shows the three-month outlooks which includes December. I think the outlook maps are self-explanatory. The full article posted on December 2 can be accessed HERE. |