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5.22 AM Zones Update: Unsettled Weather Pattern This Week, Memorial Day Weekend Weather

Good morning! Some showers that have been moving across the region overnight and early this morning were associated with shortwave energy, undercutting upper-level ridge. More rain is likely to overspread the region from the southwest, later this morning and into early this afternoon, as a frontal system with a weak wave of low pressure along it approaches the region.

Latest model guidance indicates some weak instability and strong moisture convergence along a warm/coastal front with precipitable water values between 1.50” to 2.00”. This will likely cause rain, to become heavy at times with some isolated thunderstorms possible over Central and Southern NJ and over parts of Long Island and Coastal CT. These areas are where rainfall totals between 1” to 2” is more likely to fall today. Some locally heavier totals are possible from any thunderstorms with torrential downpours and some localized flash flooding, especially in poor drainage and low-lying areas.

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Midday Zones Update: Cool Weather Through Friday, Weekend Coastal Storm Threat Increases

Happy Tuesday afternoon! Some sunshine will continue for rest of today. But we will continue be under the influence of a large, anomalous cold upper-level low or trough over the Northeast US. This will lead to more cumulus clouds developing, instability increases with more daytime heating.  A few isolated showers could also pop up, but these will be over more Connecticut or New England today. Temperatures will rise in the upper 50s to lower 60s.

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Midday Zones Update: Heavy Rainfall and Severe T-Storm Threat This Afternoon

Happy Thursday! Low pressure currently over the Ohio Valley is attempting to push warm front north form Mid-Atlantic region. But instead a triple-point low will form over Mid-Atlantic region, along the warm front.  A strong low-level jet, mid-level vorticity, low-level moisture convergence with firehose of Atlantic and subtropical moisture will lead another rounding of heavy rain with embedded thunderstorms. Especially south and west of NYC.

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FREE Public Analysis: Large Storm to Bring Heavy Rainfall Thursday

Good afternoon! This afternoon will continue to be feature more pleasant weather. Sunshine will be mixed with clouds over parts of the region and winds will remain light out northwest. High temperatures should reach the upper 50s to lower 60s.

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