Snow Squalls Possible Saturday

Jonathan Carr
By February 18, 2022 15:57

Snow Squalls Possible Saturday

Discussion: A shallow trough will pass through the Mid-Atlantic and NorthEast US this weekend. An associated surface low will track through SE Canada and extend a cold front southward into the US. This could front should pass through NJ Saturday afternoon and is capable of producing snow squalls. Squalls are short-duration (30 mins or less) of low-visibility snowfall and gusty winds. They look very similar to summertime thunderstorm lines that push through (with gnarly shelf clouds). Instead they produce flizzard conditions and can be known to also produce lightning. In this case we’ll have Arctic air mass plunging into stale cold air mass (lower-40s) so there could be enough convection to generate the lightning. We’ll see. But a short period of heavy snow/gusty wind is much more likely Saturday between late-morning and afternoon. Sunday looks clear and then we warm back up for Monday-Wednesday under a ridge. Thursday looks cold again which will lead us into the Friday snow signal. Right now, it’s ugly…a snow-to-rain situation from precip overrunning an advancing warm front. I expect this to evolve differently over the next few days. But the general signal is there.

Friday (Feb 18) evening should feature a steep temp drop through and after sundown. Winds should relax to just the “light-to-breezy” category out of the W/NW. Overnight lows should range from teens to 20s N to S.  

Saturday (Feb 19) high temperatures should range from upper-30s to mid-40s from N to S. Most of the day should be clear and sunny. However, snow squalls are possible between late-morning and afternoon. These would be short-duration periods of low visibility snowfall and gusty winds. I like to call them flizzards. Can’t rule out C-1” before it quickly melts. We’ll see. Winds could gust to 40mph under these snow squalls. The day, otherwise, looks breezy-to-gusty out of the W/NW. Overnight lows should fall into the teens for most areas.  

Sunday (Feb 20) high temperatures should reach near-40 for most areas. Skies should be mostly sunny. Winds should be light out of the W/SW. Overnight lows should range from mid-20s to mid-30s from N to S

An early look at next week indicates a milder start with highs in the 50s/60s Monday-Wednesday. Thursday into Friday looks cold with a potential snow-to-rain situation Friday into Saturday. It’s a storm signal I’m monitoring. Let’s see how it looks on Sunday. Have a great weekend and please be safe! JC

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Jonathan Carr
By February 18, 2022 15:57