Mixed Conditions (April 19-23)

Jonathan Carr
By April 19, 2021 00:06

Mixed Conditions (April 19-23)

Discussion: The upper level pattern of repeating positive-axis troughs, swinging from central Canada through the E US, will continue this week. Tuesday looks like the mildest day of the week from SW flow culmination ahead of the cold front. Wednesday night into Thursday looks like the coldest period of the week behind the cold front. The frontal passage should occur Wednesday which might make for a “warmer in the morning than in the afternoon” situation on Wednesday. Temps are expected to then rebound milder for Friday into the weekend. It looks like some upper-level ridging is expected to build over the Mid-Atlantic US in the April 25-forward timeframe which could finally break the “unsettled and slightly below-average temp” pattern we’ve been in. Either way, nothing crazy this week but a mix of conditions.

Monday (April 19) high temperatures should reach the mid-60s for most areas. Skies should be mixed with sun and clouds with afternoon showers possible. Winds should be light out of the SW. Overnight lows should range from near-40 to near-50 from elevations to coasts.

Tuesday (April 20) high temperatures should break 70 for most areas and possibly run towards 80. Coastal regions might hang in the mid-to-upper 60s. Skies should be mostly sunny with isolated showers possible, especially during afternoon hours. Winds should be light out of the W/SW. Overnight lows should range from lower-40s to lower-50s from elevations to coasts.

Wednesday (April 21) high temperatures should reach the mid-60s for most areas. Skies should start cloudy and rainy but improve by late-afternoon/evening hours. Can’t rule out a t-storm along the frontal precipitation. Winds should be light out of the SW at first but pick up out of the W/NW for PM hours. Overnight lows should range from near-freezing to near-40 from elevations to coasts. Seems like frost advisory criteria is likely as well as colder wind chill factor.

Thursday (April 22) high temperatures should range from near-50 to near-60 from NWNJ to SENJ. Skies should be mixed with sun and clouds. Winds should be breezy out of the W/NW. Overnight lows should range from mid-30s to mid-40s from elevations to coasts.

Friday (April 23) high temperatures should reach well into the 60s. Skies should be mixed with sun and clouds. Winds should be light out of the W. Overnight lows should range from near-40 to near-50 from elevations to coasts.

An early look at the weekend indicates highs in the 60s for both days but Saturday the nicer of the two days. Let’s take another look on in a few days. Have a great week and please be safe! JC

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Jonathan Carr
By April 19, 2021 00:06