Entries by Doug Simonian

Afternoon Video Update: NAO Blocking Signal Grows

Good afternoon! The well-advertised signal of high-latitude blocking developing in the 2nd half of November continues to grow. It all starts with an amplification and slowing down of a Pacific wave train, which helps to pump latent heat towards the Poles, further leading to ridging extending towards the Poles. Subsequently, this changes the background state […]

La Nina is in the Atmosphere, but Changes are Possible

After some big warmth, we finally saw some Autumn chill arrive over the past couple of days, which signifies the change of seasons. We are now approaching crunch time when it comes to compiling a winter forecast. In our Winter Forecast Webinar, one of the main topics discussed was the evolution of the La Nina and the effects it […]

Hurricane Maria’s Track May Depend on Jose

In what seems to be about day seven hundred in an endless cycle of Tropical news, we have plenty more to talk about. Hurricane Maria underwent rapid intensification last night, strengthening from a Category 1 to a Category 3 storm. It developed a very tight core with a rapid increase of lightning around the center […]

Heavy Rain and Storms Possible Tuesday through Thursday

Happy Labor Day! We are finally enjoying some warm, sunny, summery conditions after a few days of chilly and unsettled weather had dominated the region. This is because a large, full-latitude, but short wavelength trough has moved into the Central US, which is a direct downstream response to the amplified wavebreaking that occurred from a […]