By Alex Sosnowski, Expert Senior Meteorologist
June 17,2014; 8:56PM,EDT
Thunderstorms will fire from the northern Plains to the Northeast along the northern edge of a zone of building heat through the middle of the week.
The storms can bring frequent lightning strikes, hail, strong wind gusts and blinding downpours and also can cause disruptions to daily commutes, other travel and outdoor activities.
The setup of a north-south boundary of hot and cool air patterns in the past have allowed thunderstorms to form large complexes. Large storm clusters may continue to form at midweek. If this happens, then severe weather will occur on a more widespread regional basis.
Storms that organize into complexes can roll along during the overnight and morning hours, and can cover vast distances.
AccuWeather.com MinuteCast™ has the minute-by-minute forecast for your exact location when showers and thunderstorms threaten. Type your city name, select MinuteCast™, and input your street address. On mobile, you can also use your GPS location.
During Wednesday, the potential for gusty thunderstorms and localized severe weather will reach over much of the same area but can extend as far to the east and south as Pittsburgh, Philadelphia and New York City.
On a couple of occasions into Wednesday evening, thunderstorms will roll across New England and neighboring Canada.
More storms will erupt over the High Plains late Wednesday.
If you can hear thunder you are at risk for being struck by lightning.
Because of the speed of many of the storms and the potential volatility of the weather pattern, people spending an extended period of time will need to keep an eye out for rapidly changing conditions.
Spotty storms can also pop up away from the rim of the heat within the hot and humid air mass. Most of these storms will only affect a small area.
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Most of the storms will occur during the afternoon and evening hours, but there will be some exceptions.
Late in the week, a push of cooler air from eastern Canada will shove storms farther to the south along the East coast, but the zone of storms will hold over the Plains.
On Social Media
Steven Sosna
SteveSosna4NY
VIDEO UPDATE: #NYC #Weather get ready to SWEAT. IT. OUT! 1st sizzling day of season. Severe t-storm threat. My fcst: nbcnewyork.com/video/#!/weath…
CyG_New_York
CyG_New_York
Midweek Severe Storms May Rattle Minneapolis to NYC #NewsAd link CyG-NewsAgent.net/NewsAd.php?url…
Sara Elliott
SaraElliottCBC
Severe
Thunderstorm Watch and Heat Warning in effect. A Humidex of 39 and
potentially stormy weather means it's best to stay indoors.#sl
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