Author Archives: jimsullivan92

May 27th, 2017: Stormy Sunday Followed By Tranquil Memorial Day

The Storm Prediction Center has placed essentially all of Ohio in at least a “marginal risk” (risk level 1/5) for severe thunderstorms Sunday afternoon and evening, with a “slight risk” (risk level 2/5) for southern Ohio.  There will be the … Continue reading

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May 19th, 2017: Unsettled Weather Continues This Weekend

An active stationary front draped across the Ohio Valley has been the focal point of occasional showers and thunderstorms across Ohio Thursday and Friday, with this expected to continue over the weekend as low pressure in the Plains intensifies and … Continue reading

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March 13-15 Ohio Snow Discussion

Here is my “abbreviated” write-up regarding the upcoming snow event to northern Ohio… There was a definitely a reduction in QPF on the overnight/early morning models.  We’ll see if that trend continues and how it affects snow totals… For the … Continue reading

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January 26th-30th Northeast Ohio Snow Event

Snow showers (possibly mixed with rain) will affect the area today with perhaps a light accumulation, especially in the hillier terrain south and east of Cleveland.  Some light lake effect may deposit a little bit more snow on the Cleveland … Continue reading

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January 5, 2017 Lake Effect Snow Quick Forecast

I don’t have time to put together a write up, but here are some quick thoughts for Thursday evening-Saturday morning.  This map only includes snow from 7pm Thursday on and does not include anything falling before then, including the LES … Continue reading

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12/29/16: Lake Enhanced Snow on the Way

Lake enhanced snow will start firing up late  Thursday afternoon and intensify Thursday evening. The snow will be heaviest through early Friday morning before tapering down to scattered and mainly light snow showers by Friday afternoon. The snow will completely … Continue reading

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December 14th-15th Lake Effect Snow Event

Heavy lake effect snow is on its way to the Cleveland area and east side once again starting this evening. The heavy snow will gradually spread in from north to south tonight into Thursday morning, before lifting northeast and ending … Continue reading

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December 8th-9th Lake Effect Event for Northeast Ohio

An unseasonably deep trough will move across the Great Lakes Thursday through Saturday, bringing with it a deep cold air mass, sufficient moisture, and a broad cyclonic flow across the warmer than average Great Lakes. This will result in the … Continue reading

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11/19/16: First Snow and it Feels so Good

Lake enhanced snow will accompany the first true cold air mass of the season this weekend, bringing locally up to several inches of snow in the higher terrain of the Snowbelt east of Cleveland. Map: Meteorological Discussion: It’s a beautiful … Continue reading

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Jim Sullivan’s 2016-2017 Winter Forecast for the US

Seasonal forecasts are difficult, as you are predicting the average weather pattern months in advance, as opposed to the normal hours or days. Many factors go into making a seasonal forecast, such as water temperatures around the world, snow cover, … Continue reading

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