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October Discussion


TalcottWx

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Up over 0.8" now.

 

Flood Watch just issued for SE MA/CC/Islands.

 

 

 

FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
202 PM EDT WED OCT 1 2014

...POTENTIAL FOR HEAVY RAINFALL TONIGHT...

.A TROUGH OF LOW PRESSURE WILL LEAD TO THE POSSIBILITY OF HEAVY
RAINFALL AND EMBEDDED THUNDERSTORMS ACROSS SOUTHEAST MASSACHUSETTS
OVERNIGHT. THE POSSIBILITY OF A RELATIVELY FAST ACCUMULATION OF
3-6 INCHES OF RAINFALL EXISTS LOCALLY WITHIN THE WATCH.


MAZ017>024-020215-
/O.NEW.KBOX.FA.A.0006.141001T2100Z-141002T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NANTUCKET MA-
INCLUDING THE CITIES OF...TAUNTON...BROCKTON...PLYMOUTH...
FALL RIVER...NEW BEDFORD...MATTAPOISETT...CHATHAM...FALMOUTH...
PROVINCETOWN...VINEYARD HAVEN...NANTUCKET
202 PM EDT WED OCT 1 2014

...FLOOD WATCH IN EFFECT FROM 5 PM EDT THIS AFTERNOON THROUGH
THURSDAY MORNING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* FLOOD WATCH FOR A PORTION OF SOUTHEASTERN MASSACHUSETTS...
INCLUDING THE FOLLOWING COUNTIES...BARNSTABLE...BRISTOL...
DUKES...NANTUCKET AND PLYMOUTH.

* FROM 5 PM EDT THIS AFTERNOON THROUGH TOMORROW MORNING

* PERIODS OF HEAVY RAIN AND EMBEDDED THUNDERSTORMS MAY LEAD TO HIGH
RAINFALL TOTALS THROUGH TOMORROW MORNING. THE POSSIBILITY OF A
LOCALIZED 3-6 INCH AMOUNT IS POSSIBLE. RAINFALL RATES OF 1-2
INCHES AN HOUR ARE ALSO POSSIBLE...WHICH COULD YIELD URBAN
FLOODING ESPECIALLY AT TYPICALLY PRONE LOCATIONS.

* IF THESE HIGHER RAINFALL AMOUNTS ARE OBSERVED...LOCALIZED
FLOODING IS POSSIBLE...PARTICULARLY URBAN AND STREET FLOODING
WHERE DRAINAGE IS POOR. LOW-LYING AREA AND BASEMENT FLOODING
ALSO CANNOT BE RULED OUT. ALSO...FLASHIER SMALL STREAMS MAY
QUICKLY RISE.

* NOTE THAT THE ISSUANCE OF A WATCH SUGGESTS SOME
UNCERTAINTY...AND THE EXACT LOCATION OF THE HEAVIEST RAINFALL
MAY ULTIMATELY REMAIN OFFSHORE. HOWEVER...GIVEN THE POTENTIAL
FOR THIS RAIN TO FALL IN URBANIZED AREAS WHERE IMPACTS COULD BE
HIGH PROMPTED THE ISSUANCE OF THIS WATCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$
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AREA FORECAST DISCUSSION

NATIONAL WEATHER SERVICE TAUNTON MA

136 PM EDT WED OCT 1 2014

.SYNOPSIS...

COOL...DAMP CONDITIONS REMAIN IN PLACE INTO THURSDAY MORNING...WITH

MORE WIDESPREAD RAINFALL EXPECTED TODAY. DRY WEATHER RETURNS LATER

THURSDAY INTO FRIDAY AS HIGH PRESSURE BUILDS BACK ACROSS THE REGION.

A COLD FRONT WILL MOVE ACROSS NEW ENGLAND LATER SATURDAY AFTERNOON

AND EARLY SATURDAY NIGHT...FOLLOWED BY COOLER AND DRIER CONDITIONS

FOR SUNDAY AND MONDAY.

&&

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

130 PM UPDATE...

PERIOD OF RAIN BENEATH UPPER CUTOFF CONTINUES TO PINWHEEL ACROSS

THE REGION. THANKFULLY...RAINFALL RATES HAVE GENERALLY BEEN

MODERATE AT BEST...JUST A GOOD SOAKING. OF CONCERN FOR THE REST OF

THE AFTERNOON IS THE POTENTIAL CONVECTIVE AND SHARPENING OF

INVERTED TROF AND MODERATE 40+ KT LLJ LATE THIS EVENING WHICH

COULD INCREASE THE THREAT FOR HEAVY RAINFALL SOMEWHERE IN THE SE

MA AND RI REGION. THIS COULD LEAD TO LOCALLY VERY HEAVY RAINFALL

AMOUNTS SHOULD THEY SET UP. HOWEVER...NAILING THIS DOWN EXACTLY IS

DIFFICULT THANKS TO CONVECTIVE FEEDBACK ISSUES.

PREVIOUS DISCUSSION...

AN UPPER LEVEL LOW OVER PENNSYLVANIA MOVES EASTWARD OVER SOUTHERN

NEW ENGLAND TODAY. COMBINED WITH THE LOW PRESSURE SYSTEM WELL

SOUTHEAST OF NANTUCKET...AN INVERTED TROUGH SHOULD DEVELOP JUST

WEST OF SOUTHERN NEW ENGLAND. THIS WILL CREATE A DEEP LAYER OF

LIFT THAT WILL ALLOW RAIN TO BECOME WIDESPREAD ACROSS THE REGION

TODAY. PERSISTENT NORTHEASTERLY FLOW BRINGS IN PLENTY OF COOL

MOIST AIR IN OFF THE OCEAN AND PWATS ARE 125 TO 175 PERCENT OF

NORMAL FOR EARLY OCTOBER. THIS WILL ALLOW FOR A MUCH NEEDED STEADY

RAINFALL ACROSS MOST OF THE AREA WITH ROUGHLY HALF AN INCH TO AN

INCH OF RAIN EXPECTED IN MOST LOCATIONS. HIGHER AMOUNTS ARE

POSSIBLE WHERE BANDS OF HEAVIER RAIN SET UP. WHILE WE CAN/T

DETERMINE EXACTLY WHERE THESE BANDS WILL DEVELOP...THE BEST CHANCE

FOR HIGHER RAINFALL AMOUNTS LOOKS TO BE ACROSS SOUTHEAST MASS

WHERE RAIN WILL LAST THE LONGEST BEFORE THE LOW PULLS AWAY TO THE

EAST.

USED LOCALLY PRODUCED BIAS CORRECTED MOS FOR TEMPERATURES TODAY

WHICH WILL REMAIN COOL AROUND 60 DEGREES FOR MOST LOCATIONS.

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Up over 0.8" now.

 

Flood Watch just issued for SE MA/CC/Islands.

 

Someone from PVD to BOS and SE is going to get clobbered with rain tonight.  You can see that batch south of MVY/ACK has convective elements and seems to be building northward.  If that envelopes SE Mass later today and sits there pivoting tonight, someone is going to add up the inches.

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Someone from PVD to BOS and SE is going to get clobbered with rain tonight.  You can see that batch south of MVY/ACK has convective elements and seems to be building northward.  If that envelopes SE Mass later today and sits there pivoting tonight, someone is going to add up the inches.

 

Yup.  Exactly where that sets up TBD.  There may be some sharp cutoffs if you're not under some of the bands but overall looks like a deluge is about to commence.  

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Just back from a trek across the state to New Milford and back for a business deal ftw.

 

New Milford is such a downsloping pit. Barely any rain out there..and just some sprinkles..but between there and here it poured. Got home and see we had .41.. Not a drought buster..but certainly a help. Hopefully more Saturday night with the front 

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If it's not raining hard, must be down sloping.

He talks more upslope and downslope than I do lately....and that's hard to do ;)

Im not sure what you mean. They are right in Housatonic Valley and downslope terribly off the Litchfield Hills. In fact , the sun was visible at times thru the clouds today and it was 65 on the thermo
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Im not sure what you mean. They are right in Housatonic Valley and downslope terribly off the Litchfield Hills. In fact , the sun was visible at times thru the clouds today and it was 65 on the thermo

they were also on the western edge of the action today as well...just like here, we were lucky to get .25...Stamford, Norwalk had much less.

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Im not sure what you mean. They are right in Housatonic Valley and downslope terribly off the Litchfield Hills. In fact , the sun was visible at times thru the clouds today and it was 65 on the thermo

I'm just ribbin' ya, haha. Just remember that forcing aloft has more to do with it than 500-800ft of lowest level ascent.

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