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More thunderstorms popping up, hazardous weather warnings posted by St. Lawrence County Emergency Services

Posted 5/22/13

St. Lawrence County Director of Emergency Services Joe Gilbert has been reinforcing a National Weather Service posting of a severe thunderstorm watch and related warnings for the St. Lawrence Valley …

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More thunderstorms popping up, hazardous weather warnings posted by St. Lawrence County Emergency Services

Posted

St. Lawrence County Director of Emergency Services Joe Gilbert has been reinforcing a National Weather Service posting of a severe thunderstorm watch and related warnings for the St. Lawrence Valley until 10 p.m. tonight.

In the wake of last evening's strong storms, Gilbert wants local emergency personnel to be alert to storms and the potential damage they can cause, such as the downed limbs and power lines typical of strong storms such as the one we experienced last night.

The forecasters said that as of 1 p.m., they were seeing scattered showers and thunderstorms developing over northern New York, moving slowly eastward. They were warning of the chance of locally heavy downpours, frequent lightning and the potential for wind gusts up to 60 mph, according to Gilbert.

The NWS says that a slow moving surface cold front will produce numerous showers and thunderstorms across the North Country today, with the possibility of heavy rainfall, lightning, strong winds and possibly hail.

Showers and thunderstorms could persist tonight right through Thursday night. The chance of rain stands at 90 percent through tonight, diminishing to 80 percent Thursday and 70 percent Thursday night.

The NWS forecast for the St. Lawrence Valley and northwestern Adirondacks:

• This Afternoon: Showers and thunderstorms. Some storms could be severe, with large hail, damaging winds, and heavy rain. High near 79. Calm wind. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

• Tonight: Showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm after midnight. Some storms could be severe, with large hail, damaging winds, and heavy rain. Low around 62. South wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

• Thursday: Occasional showers and thunderstorms. Some of the storms could produce heavy rain. High near 71. Southwest wind 10 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

• Thursday Night: Showers and thunderstorms likely. Cloudy, with a low around 45. North wind 7 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

• Friday: Showers likely, mainly before 9am. Cloudy, with a high near 62. North wind 11 to 14 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

• Friday Night: Partly cloudy, with a low around 43. North wind 5 to 9 mph.

• Saturday: Mostly sunny, with a high near 59. North wind 7 to 11 mph.

• Saturday Night: Partly cloudy, with a low around 40. West wind around 6 mph.

• Sunday: Sunny, with a high near 55. Northwest wind 7 to 17 mph.

• Sunday Night: Mostly clear, with a low around 38. Southwest wind 3 to 7 mph.

• Memorial Day: Sunny, with a high near 67. West wind 7 to 11 mph, with gusts as high as 22 mph.

• Monday Night: Mostly clear, with a low around 43. West wind around 6 mph becoming calm in the evening.

• Tuesday: Sunny, with a high near 71. Light southwest wind becoming west 5 to 10 mph in the afternoon.