United States of America
April has been a mixed month across the United States with incredible cold over the Great Lakes and East, major snow in the Rockies and summer-like warmth over the Pacific Northwest. Only brief tastes of summer elsewhere. Let’s of course not forget the astonishing rainfall of late in the Houston, TX area, this wet ground will […]
The cool pattern isn’t giving up without a fight and with the continuation of a firmly negative AO/NAO, summer warmth is being beaten back. [s2If current_user_can(access_s2member_level1)] Until we can get the positive to drop down from the Arctic and Greenland, this is more wet than warm and sure, the cold shots are weakening but I’ll […]
We have a highly anomalous upper air pattern covering North America with a textbook Omega block and deep upper level cut off low trapped in between. This is creating an extreme and ongoing flood situation over Texas with epicentre being Houston! Surrounding the upper cut off, temps have been running 10-30F above normal and as a result we’re seeing all-time […]
The final tally from the Colorado snowstorm appears to be an impressive 50.6 inches near Pincliffe. Now the big story turns to the Texas flood emergency. As is often the case, the models have simply failed to see just how much rain was going to fall within just the first 24 hours never mind 5 day […]
The system which had all the signs of being a biggy, was just that. The system as expected dove into the Four Corners where it drew on moisture warm, moist air from a warmer than normal Gulf. As a result, coupled with tremendous orographic lift, 1-4ft of snow fell from Denver up into the high country. While upwards of […]
The long anticipated, long duration snowstorm has begun for Denver and Front Range. In the latest infrared loop below, note the spin over the Four Corners, acting as a wheel, with nice wrap around moisture stream being drawn in from the Gulf of Mexico. Also note the fair up of convection over the Central Plains where severe […]
Within a 3-day stretch last weekend, over 18 inches of snow fell in the mountains of West Virginia and western Maryland. Cold, clear nights followed allowing the thermometer to dip to 1F within the Canaan Valley region, rare for April! Some local, non official thermometers reported temperatures as low as -8F. Article from Capital Weather […]
In the wake of another front, a cool, dry high is providing beautiful sunny skies from Chicago to Washington up to the Canadian Maritimes. View from above. from below (Central Park looking east) The next few mornings are sure to be chilly throughout the Northeast with a nice setup for late season frost with radiational cooling. Forecasted lows tonight […]
We have a very different upper pattern setting up to end this week compared to the same time last week. There are several aspects to consider. 1) the system crossing the Southern Plains into the Southeast now that will keep showers and thunderstorms going from Dallas to Atlanta next several days but it’s 2) the bigger system approaching the […]
The end of this years lingering snow and cold pattern is in sight… April so far! A system pushing in off the Pacific during this week will re shape the US upper pattern bringing a trough back to the West while ridging builds into the Great Lakes. Just need to watch for undercutting lows crossing […]
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