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Sunday 6/5 warm front and triple point low


Brian5671

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Euro?

The Euro drops an inch or more of rain on much of the area. Looks convective. I haven't looked any further into. Going out to enjoy this beautiful Saturday. If only the DP wasn't in the upper 60s it'd be a perfect day.

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Morning stuff is mostly done.  Almost nothing here.

 

 

 

Once we get into the afternoon hours , UPTON and MT HOLLY think the radar should be lit up . 

 

 

000

FXUS61 KOKX 051215

AFDOKX

Area Forecast Discussion

National Weather Service New York NY

815 AM EDT SUN JUN 5 2016

.SYNOPSIS...

Low pressure across the Great Lakes drifts into eastern Canada by

Monday. A warm front moves through this afternoon, followed by a

cold front tonight. Low pressure will remain over eastern Canada

and the northeast Monday through Wednesday. High pressure builds

in for Wednesday night through Friday. A warm front approaches

next Saturday.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...

Digging trough behind ridge axis will provide increasing

instability and deeper lift through the column.

A warm front to the south will make progress north, and may move

through the southwest portion of the area this afternoon.

For the early morning, patchy fog and stratus can be expected,

but fog should burn off as the morning progresses. Isentropic

lift along with WAA should increase coverage of showers this

morning. By late morning, weak instability aloft may be enough for

some thunder.

 

During the afternoon, favorable upper support, WAA,

deep moisture with PW values approaching and exceeding 2 inches,

and increased lift will allow for high coverage of showers and

thunderstorms, some of which could be strong. Heavy downpours are

possible, although noted a decrease in storm total precip with 00Z

model suite. Small hail remains a concern in stronger storms.

Best chance for gusty winds due to increasing mid level shear

will occur across western zones per SPC outlook. This may occur

late day and into the evening ahead of prefrontal trough,

possible triple point low. High resolution models prog a line, or

broke

 

 

 

 

Area Forecast Discussion

National Weather Service Mount Holly NJ

734 AM EDT SUN JUN 5 2016

.SYNOPSIS...

A cold front is expected to push through our region late today.

A second cold front will slide through late Tuesday. High pressure

will then build southeastward toward the Mid Atlantic region through

the remainder of the work week before a warm front approaches our

region for the weekend.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...

quick update to the weather grids this morning to increase pops

through 9 AM to account for mainly light showers now moving north

through new jersey. these showers are associated with the warm

front moving north, with dewpoints into the low 70s to the south

and in the 60s to the north.

...prev discussion below...

A warm front was moving nwd acrs the region this mrng and some

rain accompanied the front. Mdl guid has been reasonably

consistent that the sern portions of the area would be genly dry

thru the mrng hours, and psbly later. Latest radar showed a decent

swath of precip acrs MD and VA movg ewd and weakening. The HRRR

does want to bring some of this into the Delmarva and ern PA/srn

NJ in the next few hours but that would be it for the mrng precip

in these areas.

Then all eyes turn to the approach of a cdfnt later this aftn into

this eve. As has been the case for the last few days, there still

exists the potential for severe wx. CAPE is moderate, but there is

good unidirectional shear, but lapse rates are weak. Gusty wind and

heavy rain appear to be the main threats, but the front should be

progressive enough to preclude any widespread flooding issues.

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I can see the island comming out of this with .1 or something like this. We are in a solid marine layer here. Our hope was with the warm front. Witch failed

some of yesterday's runs had that. .10 or so from the city S and E.

and so does today's 12z NAM

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