Tag Archive for 'Trough'
March 1st, 2010 by Steven DiMartino
6:45 AM
The water vapor this morning shows that one major storm is finally exiting and another is on the way over the southern Plains.
The winter storm over New England is the result of the lingering upper low from late weeks winter storm that interacted with another Sub Tropical disturbance over the Atlantic. This low pressure [...]
February 4th, 2010 by Steven DiMartino
8:13 AM
– Weather When Posted –Temperature: 28°F;Humidity: 54%;Heat Index: 28°F;Wind Chill: 20°F;Pressure: 30.33 in.;
January 27th, 2010 by Steven DiMartino
7:40 AM
Premium Content
I really put the majority of my time in trying to figure out how to handle the evolution of the storm for this weekend, so I didn’t spend much time looking at long range drivers like the stratosphere and MJO progression, but rest assured that no changes have occurred to deviate from the [...]
January 27th, 2010 by Steven DiMartino
7:00 AM
I would love to be able to say I know exactly what is going to transpire over the next five days and I am extremely confident in the forecast I am going to issue. The problem is that I can’t say that and likely won’t be able to say that until Thursday night. Over [...]
January 23rd, 2010 by Steven DiMartino
9:35 AM
If you like to experience a wide variety of weather and all seasons all at once, this week is for you. If you like thunderstorms and heavy rain, this week is for you! If you like cold air and snow, yes this week is for you! If you like your weather like recent politics [...]
January 22nd, 2010 by Steven DiMartino
10:05 AM
Premium Content
Over the past three weeks, the 500 MB pattern has been generally unfavorable for any significant winter storms for a variety of reasons. At first, the overwhelming strength of the negative NAO suppressed any potential for Sub Tropical disturbances to interact with the cold air at place, leading to a cold and dry [...]
January 22nd, 2010 by Steven DiMartino
7:49 AM
This morning we have an excellent example of why winter storms are so hard to come by in the northern Mid Atlantic and why all features must be in place just right. In this case, the Sub Tropical disturbance certainly delivered with an energetic and impressive storm developing off the North Carolina coast. A [...]
January 16th, 2010 by Steven DiMartino
10:50 AM
PREMIUM CONTENT
If anyone has doubts that medium and long range forecasting is a difficult task, take a look at what the MJO has done the past few days. Yes, that lovely feature that helps drive the Sub Tropical Jet stream has produce a nice loop on itself, falling into a state of near non-influence [...]
January 6th, 2010 by Steven DiMartino
9:40 AM
The MJO is on the move and bless the models, they are trying to handle that tricky feature as best as it can. Let’s take a look at where the MJO is today and where I think it is going.
– Weather When Posted –Temperature: 28°F;Humidity: 58%;Heat Index: 28°F;Wind Chill: 16°F;Pressure: 29.75 in.;
December 27th, 2009 by Steven DiMartino
This is a preview of the premium content I will be offering in the near future. Podcasts and videos will also follow along with live coverage of storm events. More details to come, but in the meantime I hope everyone enjoys this discussion!
The ECMWF of late has trended to a solution that is far less [...]