An area of low pressure will swirl its way through the Gulf of St. Lawrence today and subsequently will push rain across the Island. The rain we are seeing will be heavy at times, and there is the chance of some embedded thunderstorms. Future Radar (below) illustrates this well. Rainfall rates will be on the […]
An area of low pressure will swirl its way through the Gulf of St. Lawrence today and subsequently will push rain across the Island. The rain we are seeing will be heavy at times, and there is the chance of some embedded thunderstorms. Future Radar illustrates this well.
One of the products used to determine the potential rainfall rate is called precipitable water or PWAT for short. Precipitable water or ‘PWAT’ in short, is . The higher the PWAT, the heavier the rain can be. And in today’s case, the rain will be very heavy at times due to extremely high PWAT values over the region.Rainfall amounts through today will be highest over southern, central, and western sections of the Island, where locally 50+ mm of rain will fall. Farther east, the heavy rain will be more hit or miss so don’t expect widespread significant totals.
Temperatures on the Island today will be cooler, only reaching the teens and lower 20s. It will, however, be extremely humid today as our air has tropical origins. Humidex values will be into the mid-20s to near 30, even with the cooler highs and cloud cover.
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