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SE PA/Mt. Holly severe threats..


NaoPos

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The 18z NAM is probably (not surprisingly) overdoing temps for tomorrow. It has a small lobe of >95 F surface temps at 15z already. I'd be quite impressed if we saw 95 at 11 am tomorrow.

Given the overheating of surface temps, the model might be too quick to mix out moisture. (Right now we already have a complete inverted-V at PHL at 15z.) Therefore I wouldn't be surprised if LCLs end up being somewhat lower than what's being modeled on the NAM. This, in turn, may decrease the downburst wind potential, but water loading is definitely still a concern as bri mentioned, given very moist mid and upper levels.

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Clouds in place this AM over a good chunk of the region. Might be tough to not only get to the 95 that many are projecting but it may limit our severe prospects later on.

90 seems like a reasonable bet given how warm we are now but the deck of clouds around may limit the potential for severe...

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Clouds in place this AM over a good chunk of the region. Might be tough to not only get to the 95 that many are projecting but it may limit our severe prospects later on.

90 seems like a reasonable bet given how warm we are now but the deck of clouds around may limit the potential for severe...

i don't think they are that thick. I know at my location right now their is blue sky mixed in.

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i don't think they are that thick. I know at my location right now their is blue sky mixed in.

It's a bit thicker out here...like I said, it *may* throw a wrench in the severe aspect later but may does not mean will.

Jus' sayin' if anything were to go wrong, clouds could certainly play a role.

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87/75 with stratus here. If I get hopeful there might be some thinning to my southeast, but nothing drastic.

I'm kinda surprised SPC has no hail probs. I mean even with meager shear and less-than-wonderful CAPE owing to subpar mid-level lapse rates, there is probably still at least a 5% hail risk.

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87/75 with stratus here. If I get hopeful there might be some thinning to my southeast, but nothing drastic.

I'm kinda surprised SPC has no hail probs. I mean even with meager shear and less-than-wonderful CAPE there is probably still at least a 5% hail risk.

im to your west and their is a huge area of blue sjy moving in now...temp she jump rather fast into the upper 80s...sitting at 82 now. Lapse rates arent that great at all for hail.

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Despite the cloud cover cape is already 2000-2500 for most in the area now.

sbcp.gif?1340372021344

The Lifted Index is still rather weak at this hour.

muli.gif?1340372095712All and all I still think heavy rainfall and winds will be the primary threats today.

The lift index is expanding westward today you can see especially after the sun works it's way out. I am prepared with only 4 cameras although 2 work good the other two have a lot of issues.

I do like the chances today though. I want a relaxing film event. This is the 3rd week removed from the great chase that Ryan and I did.

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I'm heading into Yardley Pa tomorrow for a softball tourney, and since i'm not familar with your area, if you get a lot of rain today, how will that affect the fields down that way?

Well it's been dry... And depends on if a thunderstorm hits the area. All depends on the field drainage as well. I'd say you'll be alright.

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Storm just popped up out of nowhere just to the north of me, as it moves off the coast.

This could be how storm fire up today Instability is sky rocketing right now with cape 2500-3500 and -3 to -5 lift. What is interesting is we just now are getting full sun in most places so it should continue. Also interesting to note there is some nice 35 KT shear developing to the northwest and spreading southeast. Which is slightly stronger then anticipated for this time frame.

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