Hurricanes, Cold Fronts & High Pressure

Posted by Jeremy Reiner

Quite a few weather players on the board this morning. A powerful cold front barreling east through the Ohio River valley....a huge area of high pressure in Canada (Labrador) and of course, Hurricane Sandy. All three play a role in our weather. If it wasn't for that Canadian high pressure, Sandy and the cold front would collide out over the open Atlantic but that large H will force that collision of storms right along the eastern seaboard over the next 2 days.

Confidence continues to climb that Sandy will make landfall across southern New Jersey late Monday evening and continue into northwest Pennsylvania on Tuesday. A track that far southwest wouldn't normally be of concern to us but Sandy is an expansive storm. for that reason, we need to prepare for a period of heavy rain & high wind.

Here's what I'm thinking:

*Earliest effects from Sandy arrive very early Monday morning with periods of rain & wind (wind gusts 15-30mph)

*The worst from Sandy looks to occur in a window from 11am MONDAY until 2 am TUESDAY. Within this period is our greatest risk of wind damage/power loss. Many towns will experience wind gusts over 40mph during this time & coastal cities & towns may see wind gusts between 50-60mph. the concern isn't so much the speed itself but the duration as several hours of 40mph wind gusts may be able to bring down trees & power lines.

*High tides on Monday...11:30am and again at midnight will have to be watched for the threat of coastal flooding

*Rainfall looks manageable. Most towns look to pick up 1-3" of rain Monday-Monday Night. This will likely lead to some urban flooding but not enough for widespread river flooding.

Between now & then is the weekend. Today is a nice day with sun & clouds, light wind and temps in the low 60s. Sunday does offer cloudy skies, a few isolated showers and a developing breeze (northeast wind 7-20mph).

More through the day & weekend. Be safe!

~Jeremy

Just In Time

Posted by Chris Lambert

Summer officially starts Friday at 1:04 A.M., and Mother Nature's sending in summer weather for us just in time.  Mid to late June averages highs near 80 degrees, and we'll be there temperature-wise over the next few days.  Mostly dry too!

That's A Wrap--I Think

Posted by Jeremy Reiner

I hope I'm not jinxing us with this statement.."The recent wet pattern is over....onto sunshine & a more summer- like pattern.." The last time someone from 7 weather called a pattern change too soon we got a blizzard and 3 subsequent nor'easters (looking at you Pete!!--LOL). We don't have to worry about any blizzards or nor'easters but one never knows in the new world order.

Like A Waterfall

Posted by Pete Bouchard

If you were caught in those 'cloudbursts' today, you had more than you could handle in the rain department. Torrents fell in a short amount of time - what we deem 'flash flooding' in the weather biz. Since it happens suddenly, the National Weather Service has adopted the acronym TADD:

Bam! Pow!

Posted by Jeremy Reiner

Bam. Pow! Those were some nasty storms last evening with some towns in metrowest & the city itself blasted with locally heavy rain, hail, lightning and strong wind gusts. A cool front is the culprit and that front will linger across the region again today. That means another round of some scattered showers & t-storms likely.