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Significant SVR risk 7/14 or 7/15


Mikehobbyst

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thus far I think parameters look better than yesterday throughout our area. today was suppose to be the best SVR day so we will see what the HRRR/HiRes NAM has to say later on.

 

I'd expect more heavy rain thunder and lightning tonight and not much more. Hopefully no watch is issued since it seems to be the kiss of death lately.

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I'd expect more heavy rain thunder and lightning tonight and not much more. Hopefully no watch is issued since it seems to be the kiss of death lately.

agree with you on that. past couple summers a heralded SVR outbreak resulted in sub par results, however when just scattered "stronger" storms were forecasted we had some better SVR days, go figure :lol:

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The 10z HRRR is pretty meh for this area with southwestern New England capitalizing. A narrow area of high CAPE develops right along the Hudson and then as activity slides north early afternoon the CAPE goes with it. Hopefully it's just a fluke run as the 09z run was a lot better.

HRRR yesterday was not accurate - had the storms moving in too early between 3 and 5 so don't fully depend on that to make a forecast - today is another nowcasting day with the late afternoon till later tonight being the favored time period IMO - another problem might be all the ingredients working together to get severe at first BUT unlike yesterday there should be a strong squall line developing to our west over PA and moving right through this evening -pre-frontal....

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HRRR yesterday was not accurate - had the storms moving in too early between 3 and 5 so don't fully depend on that to make a forecast - today is another nowcasting day with the late afternoon till later tonight being the favored time period IMO - another problem might be all the ingredients working together to get severe at first BUT unlike yesterday there should be a strong squall line developing to our west over PA and moving right through this evening -pre-frontal....

this is what should benefit us, a bowing squall line would be a better chance of getting more SVR into NYC-proper on east

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HRRR yesterday was not accurate - had the storms moving in too early between 3 and 5 so don't fully depend on that to make a forecast - today is another nowcasting day with the late afternoon till later tonight being the favored time period IMO - another problem might be all the ingredients working together to get severe at first BUT unlike yesterday there should be a strong squall line developing to our west over PA and moving right through this evening -pre-frontal....

The HRRR has a nice quall line, MCS like feature but a majority of it goes to the LHV.

 

post-2786-0-10921600-1405429689_thumb.pn

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The HRRR has a nice quall line, MCS like feature but a majority of it goes to the LHV.

 

attachicon.gifhrrr_ref_neng_9.png

ok - lets use this run as a reference and compare it to what the radar actually looks like at 3 PM today - my initial thoughts are that the model is once again rushing things along too fast with that squall line - but we will see

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ok - lets use this run as a reference and compare it to what the radar actually looks like at 3 PM today - my initial thoughts are that the model is once again rushing things along too fast with that squall line - but we will see

think that's fair but I do think today we have some more favorable parameters despite being socked in with clouds currently. the shear looks better today as well around our area thus far

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ok - lets use this run as a reference and compare it to what the radar actually looks like at 3 PM today - my initial thoughts are that the model is once again rushing things along too fast with that squall line - but we will see

I do enjoy hourly updates, but its hard to take a model serious that thinks if its less than 0C at 850mb its gonna snow all the way down.  Dumb thing produces some funny graphics in the winter.

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I do enjoy hourly updates, but its hard to take a model serious that thinks if its less than 0C at 850mb its gonna snow all the way down.  Dumb thing produces some funny graphics in the winter.

That model is much more useful for convection over snow. Many times this year already it has schooled the globals.

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Wow the SWS just issued down here...

SPECIAL WEATHER STATEMENT

NATIONAL WEATHER SERVICE MOUNT HOLLY NJ

930 AM EDT TUE JUL 15 2014

DEZ001-002-MDZ008-012-015-019-020-NJZ001-007>010-012-015-PAZ054-

055-060>062-070-071-101>106-151530-

NEW CASTLE-KENT-CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-

WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER-CARBON-MONROE-

BERKS-LEHIGH-NORTHAMPTON-DELAWARE-PHILADELPHIA-WESTERN CHESTER-

EASTERN CHESTER-WESTERN MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-

LOWER BUCKS-

INCLUDING THE CITIES OF...WILMINGTON...DOVER...ELKTON...

CHESTERTOWN...CENTREVILLE...EASTON...DENTON...NEWTON...

WASHINGTON...MORRISTOWN...FLEMINGTON...SOMERVILLE...

NEW BRUNSWICK...TRENTON...JIM THORPE...STROUDSBURG...READING...

ALLENTOWN...BETHLEHEM...MEDIA...PHILADELPHIA...HONEY BROOK...

OXFORD...WEST CHESTER...KENNETT SQUARE...COLLEGEVILLE...

POTTSTOWN...NORRISTOWN...LANSDALE...CHALFONT...PERKASIE...

MORRISVILLE...DOYLESTOWN

930 AM EDT TUE JUL 15 2014

...SWATHS OF HIGH IMPACT DAMAGING THUNDERSTORMS WITH FLASH FLOODING

EXPECTED LATER TODAY OR THIS EVENING...

THE PRIMARY LINES OF SEVERE THUNDERSTORMS SHOULD DEVELOP IN NEAR

90 DEGREE HEAT OVER EASTERN PENNSYLVANIA BETWEEN 1 PM AND 3 PM AND

THEN MOVE INTO THE INTERSTATE 95 CORRIDOR BETWEEN 4 PM AND 8 PM.

THESE STORMS ARE LIKELY TO BE STRONGER THAN YESTERDAY WITH POTENTIAL

FOR MORE EXTENSIVE AND GREATER DAMAGE.

RAINFALL OF 1 TO 2 INCHES WITHIN ONE HOUR WOULD PROMOTE POCKETS OF

RENEWED FLASH FLOODING IN URBANIZED AREAS. THERE IS THE POTENTIAL

FOR MORE EXTENSIVE SMALL STREAM FLOODING THAN WHAT OCCURRED

YESTERDAY...ESPECIALLY IF STORMS REPEATEDLY ROLL THROUGH AN AREA

FOR 2 HOURS AND PRODUCE 4 TO 5 INCH AMOUNTS.

THOSE LIVING IN OR TRAVELING THROUGH EASTERN PENNSYLVANIA AND THE

INTERSTATE 95 CORRIDOR FROM NEW BRUNSWICK TO TRENTON...PHILADELPHIA

AND WILMINGTON INTO NORTHEAST MARYLAND SHOULD BE PREPARED FOR DANGEROUS

THUNDERSTORMS LATE TODAY. THESE STORMS WILL FORCE TRAVEL DELAYS IN

SOME AREAS AND POTENTIALLY CAUSE ROAD CLOSURES.

POWER OUTAGES CAUSED BY LIGHTNING AND TREE DAMAGE COULD BE EXTENSIVE.

THE RISK FOR STRONGEST THUNDERSTORMS WILL DIMINISH AFTER 10 PM.

HAVE YOUR SAFETY PLAN IN MIND WHEN WARNINGS ARE ISSUED.

$$

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SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
930 AM EDT TUE JUL 15 2014

DEZ001-002-MDZ008-012-015-019-020-NJZ001-007>010-012-015-PAZ054-
055-060>062-070-071-101>106-151530-
NEW CASTLE-KENT-CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-
WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER-CARBON-MONROE-
BERKS-LEHIGH-NORTHAMPTON-DELAWARE-PHILADELPHIA-WESTERN CHESTER-
EASTERN CHESTER-WESTERN MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-
LOWER BUCKS-
INCLUDING THE CITIES OF...WILMINGTON...DOVER...ELKTON...
CHESTERTOWN...CENTREVILLE...EASTON...DENTON...NEWTON...
WASHINGTON...MORRISTOWN...FLEMINGTON...SOMERVILLE...
NEW BRUNSWICK...TRENTON...JIM THORPE...STROUDSBURG...READING...
ALLENTOWN...BETHLEHEM...MEDIA...PHILADELPHIA...HONEY BROOK...
OXFORD...WEST CHESTER...KENNETT SQUARE...COLLEGEVILLE...
POTTSTOWN...NORRISTOWN...LANSDALE...CHALFONT...PERKASIE...
MORRISVILLE...DOYLESTOWN
930 AM EDT TUE JUL 15 2014

...SWATHS OF HIGH IMPACT DAMAGING THUNDERSTORMS WITH FLASH FLOODING
EXPECTED LATER TODAY OR THIS EVENING...

THE PRIMARY LINES OF SEVERE THUNDERSTORMS SHOULD DEVELOP IN NEAR
90 DEGREE HEAT OVER EASTERN PENNSYLVANIA BETWEEN 1 PM AND 3 PM AND
THEN MOVE INTO THE INTERSTATE 95 CORRIDOR BETWEEN 4 PM AND 8 PM.

THESE STORMS ARE LIKELY TO BE STRONGER THAN YESTERDAY WITH POTENTIAL
FOR MORE EXTENSIVE AND GREATER DAMAGE.

RAINFALL OF 1 TO 2 INCHES WITHIN ONE HOUR WOULD PROMOTE POCKETS OF
RENEWED FLASH FLOODING IN URBANIZED AREAS. THERE IS THE POTENTIAL
FOR MORE EXTENSIVE SMALL STREAM FLOODING THAN WHAT OCCURRED
YESTERDAY...ESPECIALLY IF STORMS REPEATEDLY ROLL THROUGH AN AREA
FOR 2 HOURS AND PRODUCE 4 TO 5 INCH AMOUNTS.


THOSE LIVING IN OR TRAVELING THROUGH EASTERN PENNSYLVANIA AND THE
INTERSTATE 95 CORRIDOR FROM NEW BRUNSWICK TO TRENTON...PHILADELPHIA
AND WILMINGTON INTO NORTHEAST MARYLAND SHOULD BE PREPARED FOR DANGEROUS
THUNDERSTORMS LATE TODAY. THESE STORMS WILL FORCE TRAVEL DELAYS IN
SOME AREAS AND POTENTIALLY CAUSE ROAD CLOSURES.

POWER OUTAGES CAUSED BY LIGHTNING AND TREE DAMAGE COULD BE EXTENSIVE.

THE RISK FOR STRONGEST THUNDERSTORMS WILL DIMINISH AFTER 10 PM.

HAVE YOUR SAFETY PLAN IN MIND WHEN WARNINGS ARE ISSUED.

 

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Wow the SWS just issued down here...

SPECIAL WEATHER STATEMENT

NATIONAL WEATHER SERVICE MOUNT HOLLY NJ

930 AM EDT TUE JUL 15 2014

DEZ001-002-MDZ008-012-015-019-020-NJZ001-007>010-012-015-PAZ054-

055-060>062-070-071-101>106-151530-

NEW CASTLE-KENT-CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-

WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-MERCER-CARBON-MONROE-

BERKS-LEHIGH-NORTHAMPTON-DELAWARE-PHILADELPHIA-WESTERN CHESTER-

EASTERN CHESTER-WESTERN MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-

LOWER BUCKS-

INCLUDING THE CITIES OF...WILMINGTON...DOVER...ELKTON...

CHESTERTOWN...CENTREVILLE...EASTON...DENTON...NEWTON...

WASHINGTON...MORRISTOWN...FLEMINGTON...SOMERVILLE...

NEW BRUNSWICK...TRENTON...JIM THORPE...STROUDSBURG...READING...

ALLENTOWN...BETHLEHEM...MEDIA...PHILADELPHIA...HONEY BROOK...

OXFORD...WEST CHESTER...KENNETT SQUARE...COLLEGEVILLE...

POTTSTOWN...NORRISTOWN...LANSDALE...CHALFONT...PERKASIE...

MORRISVILLE...DOYLESTOWN

930 AM EDT TUE JUL 15 2014

...SWATHS OF HIGH IMPACT DAMAGING THUNDERSTORMS WITH FLASH FLOODING

EXPECTED LATER TODAY OR THIS EVENING...

THE PRIMARY LINES OF SEVERE THUNDERSTORMS SHOULD DEVELOP IN NEAR

90 DEGREE HEAT OVER EASTERN PENNSYLVANIA BETWEEN 1 PM AND 3 PM AND

THEN MOVE INTO THE INTERSTATE 95 CORRIDOR BETWEEN 4 PM AND 8 PM.

THESE STORMS ARE LIKELY TO BE STRONGER THAN YESTERDAY WITH POTENTIAL

FOR MORE EXTENSIVE AND GREATER DAMAGE.

RAINFALL OF 1 TO 2 INCHES WITHIN ONE HOUR WOULD PROMOTE POCKETS OF

RENEWED FLASH FLOODING IN URBANIZED AREAS. THERE IS THE POTENTIAL

FOR MORE EXTENSIVE SMALL STREAM FLOODING THAN WHAT OCCURRED

YESTERDAY...ESPECIALLY IF STORMS REPEATEDLY ROLL THROUGH AN AREA

FOR 2 HOURS AND PRODUCE 4 TO 5 INCH AMOUNTS.

THOSE LIVING IN OR TRAVELING THROUGH EASTERN PENNSYLVANIA AND THE

INTERSTATE 95 CORRIDOR FROM NEW BRUNSWICK TO TRENTON...PHILADELPHIA

AND WILMINGTON INTO NORTHEAST MARYLAND SHOULD BE PREPARED FOR DANGEROUS

THUNDERSTORMS LATE TODAY. THESE STORMS WILL FORCE TRAVEL DELAYS IN

SOME AREAS AND POTENTIALLY CAUSE ROAD CLOSURES.

POWER OUTAGES CAUSED BY LIGHTNING AND TREE DAMAGE COULD BE EXTENSIVE.

THE RISK FOR STRONGEST THUNDERSTORMS WILL DIMINISH AFTER 10 PM.

HAVE YOUR SAFETY PLAN IN MIND WHEN WARNINGS ARE ISSUED.

$$

Some fairly strong wording that is for sure smokeeater
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