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Posts From Jonathan Carr

Pretty…Pretty…Good (May 14-16)

Pretty…Pretty…Good (May 14-16)

🕔11:13, 14.May 2021

Discussion: Nothing noteworthy in the upper levels for this weekend. The main player will be an area of high pressure slowly tracking from Ohio, over the N Mid-Atlantic US, and out into the Atlantic Ocean. It’s a good time to

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Cool Mixed Conditions (May 8-9)

Cool Mixed Conditions (May 8-9)

🕔23:28, 7.May 2021

Discussion: We should remain in a cooler pattern with temperatures below-average for another week. The Mid-Atlantic US, and most of the EC, cannot escape the relentless progressive trough pattern. At the very least this keeps us cool but also unsettled

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Unsettled Week (May 3-7)

Unsettled Week (May 3-7)

🕔14:16, 3.May 2021

Discussion: The upper-jet should stay close over NJ for the next week or so. This should keep geopotential heights anomalies near-average outside of a weak system on Friday. That will pull down some lower heights temporarily for Friday into early

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Unsettled Start. Nice Finish (April 30-May 2)

Unsettled Start. Nice Finish (April 30-May 2)

🕔14:55, 29.Apr 2021

Discussion: An unorganized synoptic system is passing by to our N tonight (Thursday night) through tomorrow (Friday AM). We’re in the warm sector now, closer to the low, which is why our skies are mild and cloudy with a few

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Early Whiff of Summer (April 26-30)

Early Whiff of Summer (April 26-30)

🕔15:03, 25.Apr 2021

Discussion: We’ll spend much of this week to the S of the upper-jet (in a ridge). Only the nose of a progressive trough should then swing through between Friday night and Sunday morning before ridging returns for next week. With

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Not Bad (April 23-25)

Not Bad (April 23-25)

🕔15:16, 22.Apr 2021

Discussion: The positive axis trough pattern is about to end for the E US. It’s been relentlessly holding us slightly below average in temperature and in some cases (like last night/today) well below average. The 250mb jet should make its

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April 20: Thunderstorms Approaching

April 20: Thunderstorms Approaching

🕔23:59, 20.Apr 2021

Discussion: We’ve had a nice run of non-disruptive weather conditions. Tomorrow (Wednesday) that will likely come to an end with a stormy frontal passage. Low pressure will track through PA into New England (just to the NW of NJ) on

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Mixed Conditions (April 19-23)

Mixed Conditions (April 19-23)

🕔00:06, 19.Apr 2021

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

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Conditions Improve (April 16-18)

Conditions Improve (April 16-18)

🕔15:40, 16.Apr 2021

Discussion: Lower 500mb heights should continue to dominate the pattern with trough after trough swinging down and in from central Canada through the US. Because the troughs feature a positive axis, nothing big can really spin up. It does however

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Slightly Unsettled (April 12-16)

Slightly Unsettled (April 12-16)

🕔15:36, 11.Apr 2021

Discussion: The upper levels this week have a very unsettled look. 500mb geopotential height anomalies should alternate between near-average to below-average. This means a lower general atmosphere (cooler aloft) which allows milder rising air and moisture (from higher-angle diurnal surface

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