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SE PA/Mt. Holly severe threats..


NaoPos

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yea i just called it in to the lady...not sure if it was val or not...i didnt think it was that bad...but i checked the weatherbug station by my house less than a mile away and they gusted to 54.

Funny as I was posting, she (Kristin) brought over your report. Thanks for the wind report as it will be in the LSR.

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yea i just called it in to the lady...not sure if it was val or not...i didnt think it was that bad...but i checked the weatherbug station by my house less than a mile away and they gusted to 54.

Sure it wasn't 58? :-) that would be a lot cooler if it was

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should be stronger...they are really hard to ttrack...my guts says its a turnpike and south event with southern areas getting into more.

I'll be down Avalon, guaranteed ill be passed out at this thing rakes us! Lol.

Lee, anytime after 10pm sat

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Sorry about that Mike, had just got home from work and went to bed. It was mostly centered around Gloucester County, at least from what I heard. Literally countywide.

Not a problem. Yeah, we got the report from Franklin township. Was curious if there was any hail or wind damage farther east into Atlantic County. So far, we have not heard of any.

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Best lightning I've seen in years, hands down. Gotta be over 100 bolts I've counted.

Little late to the party, but I agree, really an amazing lightening storm out by Lancaster, we got nailed. I got woken by it and normally I'm dead to about anything.

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Can someone explain how we had a line of severe stroms moves through at 4 in the morning but say the ingredients were there all day but as soon as the sun goes down the threat pretty much dies. Just trying to understand the different dynamics and such.

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Can someone explain how we had a line of severe stroms moves through at 4 in the morning but say the ingredients were there all day but as soon as the sun goes down the threat pretty much dies. Just trying to understand the different dynamics and such.

500mb Vort strong enough to create enough lift to overcome less than stellar thermo dynamics. Any MCS is a wild card.

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500mb Vort strong enough to create enough lift to overcome less than stellar thermo dynamics. Any MCS is a wild card.

Simple enough I guess. Thanks.

Also 1730 Update:

...IA/IL EWD TO THE DELMARVA...

ONGOING STORMS ARE LIKELY EARLY SATURDAY ACROSS PORTIONS OF IND AND

OH...ASSOCIATED WITH THE UPPER SHORTWAVE TROUGH. THE UPPER SHORTWAVE

WILL DEVELOP EWD THROUGH THE DAY...ALLOWING STRONG DESTABILIZATION

TO OCCUR AHEAD OF IT FROM PA/WV EWD TO THE ATLANTIC COAST.

POTENTIALLY WIDESPREAD DAMAGING WINDS WILL BE POSSIBLE AS AN MCS

DEVELOPS. THE PRECISE TRACK IS UNCERTAIN...SO WILL DEFER A CORRIDOR

OF HIGHER PROBS TO LATER OUTLOOK UPDATES. AT THIS TIME...IT APPEARS

THE MOST LIKELY AREA TO EXPERIENCE DAMAGING WINDS WILL INCLUDE

PITTSBURGH...PHILADELPHIA AND WASHINGTON D.C.

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Yea we had small hail here in Evesham twp., nj. There was something odd about it though. They seemed to fall as little chunks of ice instead of regular hailstones. All in all about the size of a marble. Minor tree damage and crop damage in area. Pretty good storm though. Also heard just after the storm there was a building fire on Route 73 in Voorhees. Wondering of it was lightning related.

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Can someone explain how we had a line of severe stroms moves through at 4 in the morning but say the ingredients were there all day but as soon as the sun goes down the threat pretty much dies. Just trying to understand the different dynamics and such.

A fairly weak short wave trough embedded in northwest flow aloft tracked near the area. The lift with the short wave, a plume of relatively steep lapse rates advecting in above the surface, and plenty of instability resulted in a cluster of strong to severe storms (MCS). There also appeared to be some inflow air parcels from the upper Ohio Valley that helped maintain a fairly unstable airmass this far east (especially above the surface). In addition, the forward motion of the MCS was nearly 50 mph, and this along with an organizing cold pool for a time probably helped produce locally gusty/damaging surface winds.

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Tough call on tomorrow. I can see convection starting earlier, but MCS organization may tend to occur during the evening or even later as the main short wave trough arrives. These more mesoscale things make it more challenging to forecast.

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Not a problem. Yeah, we got the report from Franklin township. Was curious if there was any hail or wind damage farther east into Atlantic County. So far, we have not heard of any.

I haven't seen any in Hammonton/Collings Lakes/Hamilton Twp, any further east I don't know about.

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Anybody or model think that MCS entering Ohio right now can hold together to the coast? If it did it would probably end up south of this area but maybe it could spur activity further north for us to get into?

most of them have it going south of us towards dc and even southwest of them...

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Anybody or model think that MCS entering Ohio right now can hold together to the coast? If it did it would probably end up south of this area but maybe it could spur activity further north for us to get into?

one of the hourly runs of the HRRR showed some stuff ahead of the MCS isolated in nature along southern PA... Wouldn't count on it too much. THE actual MCS/Derecho ongoing will prob head towards DC south and west.

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