Tuesday 10 a.m.
A shot of very cold air is affecting us this week on the strength of face-freezing, collar-clutching, nose-nipping, toe-purpling, thumb-numbing, ice-box bitter, bird-blocking blusters. The icy jaws of winter have opened wide as they bring us face freezing winds from the icy dungeon of Jailer January. This air has crossed the arctic tundra, where venturing out without proper protection is a sure invitation to frozen doom. It won't be just the glacial frigid gelidity that contributes to the feeling of hyperborean chill, but also the adiathermic biting and piercing hiemal keen and nipping winterbound niveous isocheimal and polar unwarmed infrigidation that numbs our thumbs and freezes our toes. In short, we'll face the needles of winter's icy fingers and the piercing refrigerated ice box blasts of marrow-chilling, teeth-chattering, glaciated, bitter blusters of January cold. There's no bybassing of the bitterness, no solace from the sun. By the way, it's gonna be cold.
Today's the anniversary of the birth in 1775 of Andre Ampere, the French scientist who founded the study of electrodynamics. The very next year the American colonies decided to re-volt. In the weather department, the warmup last weekend weekend allowed us to recharge, but since then thoughts of warmth have gotten short-circuited.
Meanwhile, snow lovers see a situation they are not ecstatic about. The computer models bring alternating currents of worry and hope, but in this case it appears we'll have little more than flurries during the next few days, unless you live in the snow belts where heavy snow is generated.
In the major cities of the Northeast, there is nothing that'll keep people in their ohms. Nothing that should cause any outages. However, at the end of the week, we could have a switch. A storm plugged into moisture from the Gulf of Mexico could provide ample snow from the Ohio Valley to the Middle Atlantic coast. With a fast current aloft, we don't expect to see any resistance to the storm's departure for the weekend. It looks like it'll be ever ready to keep on going. Behind the storm, another cold dry cell should reach us.
Just this note of caution. There is still a chance the storm will get zapped. We still have to figure out the schematic for later in the week, so don't give us any static if this forecast doesn't sound well connected. However, if the storm does materialize, it could snow Friday afternoon and night from Lewistown, Pa.,'s Electric Avenue to The Battery in New York City.
The cold front that will cut off the heat will generate strong gusty thunderstorms as it moves southeastward today. The National Weather Service Storm Prediction Center highlights the most likely area for these severe thunderstorms today and tonight.
As the high pressure area in the Northeast moves away, the the southwesterly flow pattern will shift eastward. This means Wednesday could be the hottest day of the week from D.C. to Boston. A cold front will follow.
This is a satellite picture showing rather tame conditions off the South Atlantic coast at 7:45 AM ET today. The area is being watched for any signs of storm development.
When looked at this way, you can see two distinct flows in the East: one from the south with moisture, and one from the west that is dry. There is a problem, however: the model solutions evolve over time, and as we get closer to next Monday afternoon (the time the forecast maps are using), the lines and orientations will probably change.
July is national blueberry month, but why not talk about other fruits or even vegetables? In the weather business, every month represents a time when we have to break through any salad bars to understanding the weather. Kumkwat may, we want your visits to the garden of AccuWeather.com to be fruitful.
This map shows the scenario of hot air spreading across the northern Plains and north of the Great Lakes, while a pocket of cool air aloft gets stranded over the Middle Atlantic region.