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Sept 11-12 Wednesday, Thursday Storm Threat


free_man

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MCS is running out of steam.  HRRR handled this very well; except for maybe missing the southeast motion that most complexes go through.  

 

According to the HRRR, storm chances for this afternoon are shot in upstate NY and NNE.

 

I was saying the same. No redevelopment today if you go by the HRRR. The airmass won't really be able to recover and the WF is slow in getting up here.

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MCS is running out of steam.  HRRR handled this very well; except for maybe missing the southeast motion that most complexes go through.  

 

According to the HRRR, storm chances for this afternoon are shot in upstate NY and NNE.

 

 

This dying MCS is just perfectly wrongly timed.   

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I think we may be able to rule out any real surface based instability in BTV today due to this morning MCS (which seems to be a little later than originally forecast). Satellite doesn't show any breaks anytime soon upstream (at least not for 2-3 hours or so).

 

61/57 at the Morrisville-Stowe Airport right now... not going to get it done.  East of the mountains is screwed today with surface based stuff.  That cold, dense air will just sit there until the sun can come out regardless of how much it warms at H85 and above.  The Spine will do its CAD deal and keep any surface warming at bay unless some insolation takes place.

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I was saying the same. No redevelopment today if you go by the HRRR. The airmass won't really be able to recover and the WF is slow in getting up here.

 

The models may have been a little aggressive with how far north that warm front got.

 

I'm down in North Woodstock, CT and its 65 degrees out.  Blizz may say the dews are also in the mid-60s, but its hoodie weather right now with no heat on in the camp.  Pouring too.

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MCS is running out of steam.  HRRR handled this very well; except for maybe missing the southeast motion that most complexes go through.  

 

According to the HRRR, storm chances for this afternoon are shot in upstate NY and NNE.

Glad I didn't go up there this morning. I was planning on it initially, but made the right move.

 

We'll have to see what the next two days have in store. (Still can't rule out a few stray storms today)

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BTV removed all enhanced wording and even the word "thunderstorm" from the VT forecasts. 

 

Ahhh life in New England for severe weather... we'll see if tomorrow brings anything.

 

This Afternoon:  Showers likely, mainly before 3pm. Cloudy, with a high near 74. South wind around 11 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

 

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
AS OF 1022 AM EDT TUESDAY...STEADY RAIN ENDING ACROSS THE SLV
WITH ISLD SHOWERS DEVELOPING IN THE OTTAWA VALLEY AND MOVING ESE.
OVER THE REST OF THE CWA...MCS NOT SO CONVECTIVE OVER THE NORTH
COUNTRY WITH RAIN AND ISLD THUNDER/LIGHTNING...MAINLY IN THE SRN
ZONES. UPSTREAM OVC SKIES WILL KEEP MOST OF THE NORTH COUNTRY
CLOUDY AND LIMIT POTENTIAL FOR CONVECTION THIS AFTN.
ONLY AREA
EXPECTED TO BREAK INTO SOME SUN WILL BE THE SLV AND PSBLY THE
ADKS. HAVE LIMITED GUSTY WIND AND SM HAIL WORDING TO NRN NY THIS
AFTN. OTHERWISE ONLY CHC POPS FOR TSTMS. CLOUD COVER WILL ALSO
LIMIT MAX TEMPS...HAVE LOWERED A FEW DEGREES.

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MCS is running out of steam.  HRRR handled this very well; except for maybe missing the southeast motion that most complexes go through.  

 

According to the HRRR, storm chances for this afternoon are shot in upstate NY and NNE.

 

Yup, Pretty meh is it has lost the secondary line of storms

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I'm not really sure that any of the high resolution models showed a second line of storms this afternoon. Some had a later timing, allowing for the morning MCS to strengthen. Some didn't even had the MCS at all and kept everything up to the NE. HRRR had the rough idea, although looking back the timing and placement was off a bit.

 

What a waste for an otherwise good looking setup on paper.

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The models may have been a little aggressive with how far north that warm front got.

 

I'm down in North Woodstock, CT and its 65 degrees out.  Blizz may say the dews are also in the mid-60s, but its hoodie weather right now with no heat on in the camp.  Pouring too.

 

Welcome back to 'hood bro.  It's your home away from home.

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Reduced to "See Text":

..NORTHEAST U.S THIS AFTERNOON INTO TONIGHT...   CONSIDERABLE WARMING IN THE 850-700-MB LAYER ASSOCIATED WITH A   EWD-ADVANCING EML IS EXPECTED TO OVERSPREAD THE REGION IN ADVANCE OF   THE AMPLIFYING CANADIAN TROUGH.  WHILE THIS FEATURE WILL CONTRIBUTE   INCREASING AMOUNTS OF POTENTIAL INSTABILITY /I.E. AFTERNOON MLCAPE   OF 1000-3000 J PER KG/...ASSOCIATED CAPPING WILL ALSO STRENGTHEN.    THIS COUPLED WITH THE ABSENCE OF A DETECTABLE LARGE-SCALE FORCING   MECHANISM CASTS CONSIDERABLE UNCERTAINTY ON THE DEVELOPMENT OF   SURFACE-BASED TSTMS LATER TODAY INTO TONIGHT.  THIS NOTION IS   CONFIRMED BY LATEST CONVECTION-ALLOWING AND MESOSCALE MODEL   GUIDANCE.  AS A RESULT...THE CATEGORICAL SLIGHT RISK HAS BEEN   REMOVED.  LOW SEVERE WEATHER PROBABILITIES WILL BE MAINTAINED IN THE   EVENT AN ISOLATED STORM OR TWO DEVELOPS.

1 down 2 chances to go.

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The models may have been a little aggressive with how far north that warm front got.

I'm down in North Woodstock, CT and its 65 degrees out. Blizz may say the dews are also in the mid-60s, but its hoodie weather right now with no heat on in the camp. Pouring too.

yeah its chilly out here today, surprisingly chilly actually.
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SPC WRF has a line coming through on the 00z run. It's not a big surprise today with the MCS moving through.... it was modeled yesterday and how many times has that caused instability issues? Lots. We'll see what can fire later on. I still think is the possibility of that way upstream. But not certain.

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