Friday, May 7, 2010

May 7: Stormy Pattern Next Week

The past two days were very nice across the area, with partly sunny skies and comfortable temperatures. Tomorrow should be the last of these days, as the pattern becomes colder, and eventually wetter.

Tomorrow's Outlook:

Tomorrow is expected to be a wet day across the region. While most of the region should only see a little rain and thunderstorms, only the central and northern parts of the Northeast should see heavier rainfall. Our area should see some rain and thunderstorms in the morning to early afternoon hours, though they should be scattered, with clearing skies by the late afternoon.

In addition, snow returns to the forecast tomorrow night across the Northeast, where cold air approaching from the northwest will lead to high elevation accumulating snow, and even the lower elevations of central-northern New York and Pennsylvania may see a little snow.

Tomorrow should be the last mild day for the next few days. High temperatures are expected to be in the upper 60s to lower 70s inland, and in the lower to mid 70s for the immediate New York City area. By the time that the cold front moves through, increasingly windy conditions should develop by the late afternoon and overnight periods, with sustained winds between 20-30 mph with gusts as high as 50 mph.

Chilly Sunday, Interior Frost And Freeze Sunday Night

With the windy conditions on Saturday night, combined with chilly temperatures in the mid to upper 30s in the interior, upper 30s to lower 40s for the NYC suburbs, and in the lower to mid 40s for NYC, temperatures should feel colder than they are, in the upper 20s to 30s, making for a cold Sunday morning.

Sunday should be a very chilly day, and along with the wind, the temperatures will feel like the average in early April. High temperatures should be generally in the mid to upper 50s across the area, with a few places in the immediate NYC area reaching the lower 60s, and the interior areas only peaking in the lower 50s.

As I have previously mentioned, frost and freeze may return to the interior areas. This scenario is now becoming more likely, with low temperatures expected to reach the freezing mark in the interior parts of the area on Sunday night. The immediate New York City area should be slightly warmer, though temperatures should still be quite cold, in the mid to upper 30s for the suburbs and in the lower 40s for NYC and closer to the coast.

Next Week Outlook: Chilly Start, Wet Middle And End

Monday and Tuesday are going to steadily warm up, with high temperatures in the upper 50s to lower 60s across the area on Monday, and reaching the lower to mid 60s by Tuesday. Overnight lows should be in the 40s, with upper 30s possible in the interior. A few showers are possible in the western areas by Tuesday evening.

The rest of the week is going to be a different story. A storm approaching from our west is going to bring periods of rain and thunderstorms on Wednesday, and while there is uncertainty with the storm's track, there is the potential for 1/2 to 3/4 inch of rain on Wednesday with locally higher amounts in the wetter case scenario, which at this time appears to be more likely. The other scenario is where the heaviest rain stays well to our north, with some showers and thunderstorms in our area.

Thursday should be drier, however there is more rain on the way. Several other areas of low pressure are going to approach the region, bringing a chance of rain and thunderstorms on Friday and Saturday.

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