Zone 1 | NYC Metro Area
Forecast Discussions
Premium Weekly Outlook: Omega Block To Cause Unsettled Weather
Model and ensemble guidance are showing an omega blocking developing this week over the North America. This blocking pattern causes shortwave energy to dig into trough or phase into a cut-off low on either of side of large ridge over the Central United States. This pattern can cause cooler, wetter weather to persist for several […]
(Premium) Will May Be Cooler and Wetter Than Normal?
High-latitude blocking returned this week. After a warm start early this week, confluence from an upper-level over Southeast Canada forced a frontal boundary south of the region. This produced cooler than normal temperatures for the rest of the week. As a result, April will likely finish near or slightly below normal on average. It appears […]
(Premium) Will High-Latitude Blocking Bring Chilly Temperatures and More Rain Next Week?
Since the breakdown of stratospheric polar vortex more high-latitude blocking has become common the last few weeks. Model and ensemble guidance are again showing blocking returning again for next week. But will it give pattern change featuring just below average temperatures? Or will a parade of systems coming out the Pacific, cause the Southeast ridge […]
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