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Posts From Jonathan Carr

Cool Start. Summery Finish (June 4-8)

Cool Start. Summery Finish (June 4-8)

🕔22:05, 3.Jun 2018

Discussion: An upper-level low will influence the Mid-Atlantic US with below-average temperatures through Wednesday. NNJ elevations could fall into the 40s during this period with daytime highs struggling to escape the low-70s for most areas. It looks like Tuesday overnight

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The Crap Weather Continues (June 1-3)

The Crap Weather Continues (June 1-3)

🕔21:27, 31.May 2018

Discussion: Surface winds are currently off the ocean (out of SE) but they are interacting with the lower-mid levels of warmer S/SW flow. This is forcing the saturation that’s driving the current fog. Please be careful overnight and through tomorrow

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Unsettled Conditions Expected (May 29-June 1)

Unsettled Conditions Expected (May 29-June 1)

🕔14:10, 29.May 2018

Discussion: High pressure dropping out of SE Canada (over the Atlantic Ocean to our E) will maintain an onshore flow for NJ over the next few days. By the time we get to Thursday-Friday, the high should be to our

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May 27: Conditions to Improve

May 27: Conditions to Improve

🕔19:20, 27.May 2018

Discussion: Yesterday’s isolated thunderstorms were air mass thunderstorms, meaning they formed mostly from upward motion (diurnal instability/sea breeze front) without wind shear. This is common for the warm sector of your classic Norwegian cyclone model, especially this time of year.

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Great Start. Unsettled Finish (May 25-28)

Great Start. Unsettled Finish (May 25-28)

🕔19:42, 24.May 2018

Discussion: The high pressure responsible for the spectacular weather today and tomorrow (Friday) will slide out into the ocean by Saturday. This will generate return flow which should pump higher humidity into the equation for Saturday. For this reason, all

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Conditions Improve (May 21-25)

Conditions Improve (May 21-25)

🕔13:35, 21.May 2018

Discussion: The only disruptive weather I see this week is Tuesday during PM hours. A cold front should push some rain and possibly thunderstorms through the region. Thunderstorm intensity will be determined by diurnal heating capability during the day on

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Unsettled Conditions Continue (May 18-20)

Unsettled Conditions Continue (May 18-20)

🕔13:22, 18.May 2018

Discussion: The Bermuda high remains stubbornly parked which should keep the return flow up the east coast in place. This should produce a wet Friday (today) and Saturday (tomorrow). Not all day washouts but certainly periods of outdoor cancelling rainfall/storms.

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May 15: Thunderstorms Approaching!

May 15: Thunderstorms Approaching!

🕔16:43, 15.May 2018

Discussion: The line of severe thunderstorms is currently pushing through EPA towards NJ. NWNJ is already up at bat with the rest of NJ on deck. This line should continue it’s NW to SE movement over the next 3-5 hours

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May 14: More Thunderstorms Detected

May 14: More Thunderstorms Detected

🕔19:30, 14.May 2018

For full-resolution storm map, please click here! Discussion: A Mesoscale Convective System (MCS) is currently pushing SW through Virginia and Maryland. It should further impact the Delmarva Peninsula over the next few hours. If certain criteria is met then it will

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Unsettled Conditions Continue (May 14-18)

Unsettled Conditions Continue (May 14-18)

🕔19:32, 13.May 2018

Discussion: The 250mb jet is modeled very zonal this week to the N of NJ. Not much to comment on at 500mb either aside from a prolonged period of above-average height anomalies. Most shortwaves hang in the W US. The

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