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April 25-28 rolling warmth/severe weather/convection thread


earthlight

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There is a reason the severe weather people on this board haven't replied to any of your 20 severe posts today. Its not happening.

I'm not bothering anyone, I'm just reporting what I see, whether we actually get something or not, I could care less, but the 12z NAM did have the line in PA making it into NJ later tonight FWIW.

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it's not near 80 any longer in Manhattan, was just outside, good east wind kicking up, and for other posters...there will be no severe weather nor even any run-of-the-mill thunderstorms making it anywhere near this marine layer this evening

edit: I know it says 79 to the left of this post but it ain't

64 right now in Brooklyn.Meanwhile, it's near 80 in Manhattan.

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Those storms are moving almost due north however. The one cell north of Utica is actually producing a tornado at the moment.

I'm not bothering anyone, I'm just reporting what I see, whether we actually get something or not, I could care less, but the 12z NAM did have the line in PA making it into NJ later tonight FWIW.

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Great discussion by Walt Drag out of Mount Holly for the storm potential on Thursday:

Thursday...a potentially substantial day of wind/scattered severe thunderstorms and heavy rain related hazards. Foresee a Wind Advisory...Storm Prediction Center watch/warning sitn and possible short term Flood Watch. Details tbd as we draw closer to Thursday. Considerable clouds partially thin to allow rapid warming within +15/+16c 850 temperature regime southeast PA eastward and southward with 1200j cape expected to develop in del/snj by 16z...presuming the cold front passage in phl is still delayed until about 18z. Temperatures rise rapidly during the morning along and east of the del. If faster cold front passage...then give much less consideration to the possibilities below. Svr: best chance i95 corridor eastward...especially in del/NJ. 09z/26 sref has a 30 pop for 1000j in del 18z Thursday. Approx timing 16z-20z. Unidirectional wind shear (very very strong for late april) should help organize any convection that does develop...into short bowing NE racing segments. Lots of potential for stripes of damaging wind Thursday in and near convection....even Wind Advisory potential. Lots of time to be sure and try to get it right in the grids. If any weak mesoscale low develops on the cool front...the helicity soars just ahead of it. Mean 0-6km wind in 12z/26 NAM soundings is between 45 and 60 kts out of about 210 degrees. GFS had an interesting extreme middle level lapse rate signal for Thursday as if an eml had circled northeastward from the base of the middle USA trough across the Middle Atlantic States.

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Thursday has some mixed signals as the immediate nyc area will be fighting a marine layer and winds outside of the squall line probably wont mix down. Also think we see a lot of debris and cloud cover in the area which also may keep things stable. That being said, this is the best setup so far this year for severe weather especially with what develops ahead of the front.

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Wow "its not happening aye" ? Hope it misses me to the north im going to bed.

wow, you are hoping you miss a shot at rain?

it probly wont happen, atleast around here..We may get the weakening southern part of the line that will move ENE..The stronger part of the line should move NE-NNE and miss us.

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BULLETIN - EAS ACTIVATION REQUESTED

SEVERE THUNDERSTORM WARNING

NATIONAL WEATHER SERVICE MOUNT HOLLY NJ

1234 AM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

NORTHEASTERN NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...

EASTERN MONROE COUNTY IN NORTHEAST PENNSYLVANIA...

THIS INCLUDES THE CITY OF MOUNT POCONO...

NORTHERN MORRIS COUNTY IN NORTHERN NEW JERSEY...

SUSSEX COUNTY IN NORTHWEST NEW JERSEY...

THIS INCLUDES THE CITY OF NEWTON...

WARREN COUNTY IN NORTHWEST NEW JERSEY...

* UNTIL 130 AM EDT

* AT 1231 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A

LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN

EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING

FROM MOUNTAINHOME TO STORMVILLE TO PEN ARGYL TO NAZARETH...OR ALONG

A LINE EXTENDING FROM 6 MILES NORTH OF MOUNT POCONO TO 12 MILES

SOUTHEAST OF MOUNT POCONO TO 15 MILES NORTH OF EASTON TO 6 MILES

WEST OF EASTON...AND MOVING EAST AT 45 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...

ECHO LAKE...HARMONY AND COLUMBIA AROUND 1240 AM EDT...

ROXBURG...BLAIRSTOWN AND BELVIDERE AROUND 1245 AM EDT...

HOPE...FLATBROOKVILLE...WASHINGTON AND OXFORD AROUND 1250 AM EDT...

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wow, you are hoping you miss a shot at rain?

it probly wont happen, atleast around here..We may get the weakening southern part of the line that will move ENE..The stronger part of the line should move NE-NNE and miss us.

maybe you'll finaly wake up and realize that I don't "love rain" and yes, there is not much more that I hate weather wise than being woken up in the middle of the night by a thunderstorm. Luckily, I didn't wake up last night but the ground is still wet now so I can assume we at least got some rain.

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wow, you are hoping you miss a shot at rain?

it probly wont happen, atleast around here..We may get the weakening southern part of the line that will move ENE..The stronger part of the line should move NE-NNE and miss us.

well, no one was on the board so he didn't have an audience for his flood and disaster posts. Surprised we didn't wake up to a post by him of how he had to rescue a cat from a tree that was displaced when it was scared of the thunder and the 2 second shower.

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