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5/16 WESTERN NE Severe Threat Disco


ChrisM

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I don't know, but it looks like the best action is headed well N of CT and it won't be for many more hours.

I do think the BEST stuff will be north of us, however, as the front draws closer we should see some more action develop and this heating will help keep that activity going and perhaps intensify it a bit.

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A little worried that the best of the dynamics may scoot north of us and it winds up being a mostly NNE event. The southern end of the line near BGM looks weak and meaningless. Champlain Valley south of BTV getting smacked good right now. Nice bow echo.

Yeah I think they are following the best dynamics. I suppose we could see late development from I-90 on south, but the SPC WRF also hinted at this being more north as well.

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The 16z HRRR has a decent looking line moving through MA around 23z to 0z and stuff working into NW CT...shear looks pretty decent and instaiblity as well...perhaps cooling aloft will help us to keep the instability a tad longer than normal despite loss of sun. All going to depend on where the best dynamics/support are though...right now somewhat displaced from the stronger instability.

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A little worried that the best of the dynamics may scoot north of us and it winds up being a mostly NNE event. The southern end of the line near BGM looks weak and meaningless. Champlain Valley south of BTV getting smacked good right now. Nice bow echo.

My girlfriend is at castleton state just West of Rutland. She driving home to ct tonight at 6...big time storms firing to her as near lake George.

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Plenty of instability down here with MUCAPE near 2000 J/kg, but best shear and synoptic scale forcing is north of SNE. Not ready to call it a bust by any means yet, but the present trend isn't too encouraging.

Yeah. The models trended north at the last minute with best QG forcing which will probably stick a fork in the threat in southern areas. You can see on the 12z models that heights really don't start falling until after 00z tonight. That's probably why convection is having a tough time getting going to our west even with ample instability.

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That's the main question right now...once that better forcing/dynamics do arrive will we have lost a great deal of instability? I think much of western/central MA still have a shot for some good action, however, down across CT we may be just too far south. The southern extent of any activity should scrape northern sections but it may not be all that strong.

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Meanwhile...they just update the forecast for Barrow Alaska ....

<a name="content" style="color: rgb(0, 0, 0); font-family: Arial, Helvetica, 'San Serif'; background-color: rgb(255, 255, 255); ">.REST OF TODAY...INCREASING CLOUDS. HIGHS IN THE MID 20S TO LOWER

30S. SOUTHEAST WINDS AROUND 10 MPH.

.TONIGHT...MOSTLY CLOUDY. SCATTERED FLURRIES AND AREAS OF

FREEZING DRIZZLE AFTER MIDNIGHT. PATCHY FOG. TEMPERATURES STEADY

IN THE UPPER 20S. SOUTHEAST WINDS 5 TO 15 MPH.

.THURSDAY...CLOUDY WITH A CHANCE OF SNOW...RAIN...OR FREEZING

RAIN. HIGHS IN THE LOWER TO MID 30S. SOUTH WINDS 5 TO 15 MPH.

.THURSDAY NIGHT...CLOUDY WITH A CHANCE OF SNOW OR FREEZING RAIN.

LOWS IN THE UPPER 20S TO LOWER 30S. SOUTHWEST WINDS 5 TO 15 MPH.

.FRIDAY...CLOUDY WITH A CHANCE OF FREEZING RAIN AND SNOW. HIGHS

IN THE UPPER 20S TO MID 30S. SOUTH WINDS AROUND 10 MPH.

.FRIDAY NIGHT...MOSTLY CLOUDY. LOWS IN THE MID 20S TO LOWER 30S.

.SATURDAY THROUGH TUESDAY...MOSTLY CLOUDY. HIGHS IN THE MID 20S

TO LOWER 30S. LOWS IN THE MID 20S TO LOWER 30S.

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Meanwhile...they just update the forecast for Barrow Alaska ....

<a name="content" style="color: rgb(0, 0, 0); font-family: Arial, Helvetica, 'San Serif'; background-color: rgb(255, 255, 255); ">.REST OF TODAY...INCREASING CLOUDS. HIGHS IN THE MID 20S TO LOWER

30S. SOUTHEAST WINDS AROUND 10 MPH.

.TONIGHT...MOSTLY CLOUDY. SCATTERED FLURRIES AND AREAS OF

FREEZING DRIZZLE AFTER MIDNIGHT. PATCHY FOG. TEMPERATURES STEADY

IN THE UPPER 20S. SOUTHEAST WINDS 5 TO 15 MPH.

.THURSDAY...CLOUDY WITH A CHANCE OF SNOW...RAIN...OR FREEZING

RAIN. HIGHS IN THE LOWER TO MID 30S. SOUTH WINDS 5 TO 15 MPH.

.THURSDAY NIGHT...CLOUDY WITH A CHANCE OF SNOW OR FREEZING RAIN.

LOWS IN THE UPPER 20S TO LOWER 30S. SOUTHWEST WINDS 5 TO 15 MPH.

.FRIDAY...CLOUDY WITH A CHANCE OF FREEZING RAIN AND SNOW. HIGHS

IN THE UPPER 20S TO MID 30S. SOUTH WINDS AROUND 10 MPH.

.FRIDAY NIGHT...MOSTLY CLOUDY. LOWS IN THE MID 20S TO LOWER 30S.

.SATURDAY THROUGH TUESDAY...MOSTLY CLOUDY. HIGHS IN THE MID 20S

TO LOWER 30S. LOWS IN THE MID 20S TO LOWER 30S.

Are you sure this isn't the forecast for West Chesterfield?

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Nice outflow boundary visible on the KBGM radar. Hopefully this will serve as the initiation boundary for a line of storms that will impact us later on as it moves east into some of this unstable air.

Another little popcorn cell just to my west in the Hudson Valley. Many times these things initiate on the east flank of the Helderbergs due to valley breeze convergence and then feed off of the enhanced instability in the warmer Hudson Valley before dying as they move into more stable air over the Berks.

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