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Delaware Valley Severe/Strong/Lightning Threat Thread


phlwx

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I hope there are more events like it as I can take my tripod up on the roof and film it in the distance and not worry about getting wet plus star gaze.

You have a flat roof I hope. I just do not want to read on here that you had a fall while on your roof filming.

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Lastnights lightning was off of cape may I could see it clear as day from home it even lit up my back yard was like wtf while taking the dogs out. So my friend and I hopped up onto the roof to talk and watch the lightning.

Last night was crystal clear here and I could see flashes to my south right around 8:30. I ran back inside to see where the storms were and they had to be about 50 miles offshore at that time. (I am above 78 in N Berks.)

I thought The fact that I could see that was pretty freakin cool. Also had the notion that I might be able to capture a sprite, but that didn't work.

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So Saturday looks interesting on the nam. For us I-95'ers, the timing sucks as the front blast through around 0z-3z.. Shear and low level moisture look decent (aoa 1500j)

The shear is pretty solid looking. Somewhere between 850 and the surface, there's 50kt winds showing up. Wouldn't take much to transport down to the surface.

Sent from my iPad HD

post-810-134698742258.jpg

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I could see the lightning from those storms all the way up in Allentown last night. Wonder how high the tops were on those things...

Ah, so THAT was the lightning I was seeing last night. I was wondering where the hell that lightning was coming from. Neat that you can see it from so far away.

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Nice surprise 66 DBZ too. If it makes it here to the city would be around 5am.

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

SOUTHERN BERKS COUNTY IN EASTERN PENNSYLVANIA...

THIS INCLUDES THE CITY OF READING...

* UNTIL 500 AM EDT

* AT 338 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A

SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND

DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES

SOUTHWEST OF STRAUSSTOWN...OR 19 MILES NORTHWEST OF READING...AND

MOVING SOUTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...

STRAUSSTOWN AROUND 345 AM EDT...

WOMELSDORF AROUND 400 AM EDT...

BERNVILLE AROUND 410 AM EDT...

WERNERSVILLE AROUND 425 AM EDT...

SINKING SPRING AROUND 435 AM EDT...

WYOMISSING AROUND 445 AM EDT...

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Nice surprise 66 DBZ too. If it makes it here to the city would be around 5am.

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

SOUTHERN BERKS COUNTY IN EASTERN PENNSYLVANIA...

THIS INCLUDES THE CITY OF READING...

* UNTIL 500 AM EDT

* AT 338 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A

SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND

DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES

SOUTHWEST OF STRAUSSTOWN...OR 19 MILES NORTHWEST OF READING...AND

MOVING SOUTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...

STRAUSSTOWN AROUND 345 AM EDT...

WOMELSDORF AROUND 400 AM EDT...

BERNVILLE AROUND 410 AM EDT...

WERNERSVILLE AROUND 425 AM EDT...

SINKING SPRING AROUND 435 AM EDT...

WYOMISSING AROUND 445 AM EDT...

Was just about to post about that cell, lol. Probably a decent hail core.

yrydetur.jpg

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post-105-0-32350400-1347009175_thumb.jpg

yesterday's day 3:

...NEW ENGLAND SWD INTO THE MID-ATLANTIC REGION...

THE FAST MOVING COLD FRONT -- CROSSING THE APPALACHIANS THROUGH

MIDDAY/EARLY AFTERNOON -- SHOULD FOCUS CONVECTIVE DEVELOPMENT FROM

WRN NEW ENGLAND SWD ALONG THE FRONT BY AFTERNOON. DESTABILIZATION

WILL LIKELY REMAIN LIMITED ACROSS NEW ENGLAND DUE TO WIDESPREAD

CLOUD COVER AND SOME ONGOING PRECIPITATION...BUT WITH FAIRLY ROBUST

FLOW FIELD ATOP THE FRONTAL ZONE...LOW-END POTENTIAL FOR WIND IS

EVIDENT.

today's day 2:

A PRE-FRONTAL SQUALL LINE WILL LIKELY BE IN PROGRESS SATURDAY

MORNING FROM THE OH VALLEY SWWD INTO THE TN VALLEY. RICH GULF

MOISTURE /UPPER 60S TO 70F DEWPOINTS/ NOW RESIDING OVER THE MID

ATLANTIC AND SRN PORTIONS OF NERN STATES WILL ADVECT THROUGH

REMAINDER OF THE WARM SECTOR SATURDAY AS SLY LLJ STRENGTHENS IN

ASSOCIATION WITH EJECTING SHORTWAVE TROUGH AND DEEPENING SFC LOW.

WEAK MID LEVEL LAPSE RATES AND AREAS OF CLOUDS WILL MITIGATE

INSTABILITY SOMEWHAT. HOWEVER...BREAKS IN CLOUDS SHOULD ALLOW FOR

SOME DIABATIC WARMING OF THE MOIST BOUNDARY LAYER...CONTRIBUTING TO

MLCAPE FROM 500-1000 J/KG. STORMS ARE EXPECTED TO INTENSIFY ALONG

AND AHEAD OF PRE-EXISTING PROGRESSIVE OUTFLOW BOUNDARY AS WARM

SECTOR DESTABILIZES. DEEP LAYER WINDS WILL INCREASE IN ASSOCIATION

WITH THE SHORTWAVE TROUGH AND ITS ATTENDANT SFC LOW WITH LARGE

HODOGRAPHS AND 40+ KT 0-6 KM SHEAR. ORGANIZED STORMS INCLUDING

LEWP/BOWING STRUCTURES AND EMBEDDED SUPERCELLS WILL BE POSSIBLE AS

ACTIVITY DEVELOPS EWD. DAMAGING WIND AND MAYBE A FEW TORNADOES WILL

BE THE PRIMARY THREATS.

VERTICAL SHEAR PROFILES SHOULD BE WEAKER WITH SWD EXTENT INTO NC

SUGGESTING DOMINANT MULTICELL MODES. HOWEVER...INSTABILITY WILL

PROBABLY BE GREATER IN THIS AREA...AND THESE STORMS MAY BECOME

CAPABLE OF PRODUCING ISOLATED DAMAGING WIND AS THE BOUNDARY LAYER

DESTABILIZES DURING THE AFTERNOON.

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So Saturday looks interesting on the nam. For us I-95'ers, the timing sucks as the front blast through around 0z-3z.. Shear and low level moisture look decent (aoa 1500j)

The shear is pretty solid looking. Somewhere between 850 and the surface, there's 50kt winds showing up. Wouldn't take much to transport down to the surface.

To be honest, the farther north and northwest, the better the odds of getting nailed...Scranton, Williamsport, Reading look to do better from a timing standpoint. The line will pop pretty well through Philly assuming those dynamics hold but it could be more intense farther north/west.

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So Saturday looks interesting on the nam. For us I-95'ers, the timing sucks as the front blast through around 0z-3z.. Shear and low level moisture look decent (aoa 1500j)

The shear is pretty solid looking. Somewhere between 850 and the surface, there's 50kt winds showing up. Wouldn't take much to transport down to the surface.

Sent from my iPad HD

I thought this went with out saying at this point.

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To be honest, the farther north and northwest, the better the odds of getting nailed...Scranton, Williamsport, Reading look to do better from a timing standpoint. The line will pop pretty well through Philly assuming those dynamics hold but it could be more intense farther north/west.

The way this summer has been for storms in my area, I'm not holding my breath.

Coming home from work last night there was a nice line/cluster of storms coming out of the Williamsport/Bloomsburg area, which ended up getting severe warned for eastern Schuylkill and western Carbon Counties. By the time I actually got home the storms were weakening, and then completely fell apart. No wind, no rain. On the heels of that cluster was another developing cluster, this time in the Milton/Selinsgrove area. I thought we had a chance with this one, and stayed up until 3:00AM monitoring the radar. Well, as the storms approached I-81, they split, and/or dissipated as well, and we got....nothing again.

For the most part, this has been the nature of storm lines and clusters up here in my general area this summer, no matter how ominous things look upstream on radar.

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The way this summer has been for storms in my area, I'm not holding my breath.

Coming home from work last night there was a nice line/cluster of storms coming out of the Williamsport/Bloomsburg area, which ended up getting severe warned for eastern Schuylkill and western Carbon Counties. By the time I actually got home the storms were weakening, and then completely fell apart. No wind, no rain. On the heels of that cluster was another developing cluster, this time in the Milton/Selinsgrove area. I thought we had a chance with this one, and stayed up until 3:00AM monitoring the radar. Well, as the storms approached I-81, they split, and/or dissipated as well, and we got....nothing again.

For the most part, this has been the nature of storm lines and clusters up here in my general area this summer, no matter how ominous things look upstream on radar.

Same here, fwiw. They either fizzle, split, or refire to my E... The d-word action from June was an example of this for mby, but watching the epic, strobe light-like lightning in the distance was one of the highlights of the season for me. Between that and the thunder, it was almost as if a battle was raging somewhere towards the shore...

Meh, we've gotten plenty of rain and have not had to deal with power outages or downed trees, so there is upside...

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