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  Thursday October 19, 2017

 

NWS Area Forecast Discussion


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029
FXUS61 KBTV 181805
AFDBTV

Area Forecast Discussion
National Weather Service Burlington VT
205 PM EDT Wed Oct 18 2017

.SYNOPSIS...
High pressure along the east coast of the United States will
maintain dry conditions across the North Country through Sunday.
With south to southwest winds in place, temperatures will warm
well above seasonal levels for mid to late October beginning
today, and continue through the upcoming weekend. The next
chance of appreciable precipitation occurs by Monday into
Tuesday of next week as a cold front crosses the area from west
to east.

&&

.NEAR TERM /THROUGH THURSDAY/...
As of 205 PM EDT Wednesday...Going forecast on track. 925mb
temps around 12C at BTV per RAP this afternoon which should
yield max temps in the mid 60s in the valleys lower 60s in the
hills this afternoon which is well covered in the going
forecast.

Very quiet wx through the near-term. Generally looking at clear
skies otherwise through tonight. The sfc ridge axis extending
along the east coast of the U.S. and building shortwave ridging
aloft will bring dry weather, but southerly pressure gradient
increases overnight especially west of the Greens with light
south to southwest winds and moderating temperatures. Only a
very small chance for any radiation fog east of the Greens so
left it out. Lows mainly in the 40s for tonight except near 50
in the St. Lawrence and Champlain valleys.

Temperatures moderate further on Thursday under a rather strong
west southwest flow with 850-mb winds 30 to 50 kts leading to
breezy surface winds of around 15 kt with gusts to 25 to 30 kt.
With 925-mb temps around 14C for looking for max temps reaching
the upper 60s to lower 70s.

Another mid-upr level shortwave trough is progged to pass along
the intl border Thursday afternoon. This feature should bring
an increase in mid-upr level clouds, but dry low-level
conditions should preclude any precipitation.

&&

.SHORT TERM /THURSDAY NIGHT THROUGH SUNDAY/...
As of 141 PM EDT Wednesday...High pressure will lead to quiet
weather conditions with mostly clear skies under broad
subsidence. Anticyclonic flow will bring warming temps each day
with 60s on Friday and upper 60s to 70 by Sunday. Each night
we`ll radiatively cool and should see temps in the upper 30s to
low 40s. The weather should be phenomenal for any outdoor
activities planned over the weekend.

&&

.LONG TERM /SUNDAY NIGHT THROUGH TUESDAY/...
As of 329 AM EDT Wednesday...Coming out of the weekend expect a
full latitude trough digging into the eastern CONUS which will
bring several chances for showers to the region. The first
chance will be a front that moves through late Monday into
Tuesday with the best chance being towards the midweek as a
closed low should develop over the Great Lakes and advances a
stronger frontal system through the North Country. Global models
are depicting a 995mb low over the Great Lakes with a 1020mb
high out over the Atlantic. The resulting pressure gradient
should lead to fairly gusty winds with the potential for 15-25
mph with gust to 30mph of southwest funneled valley flow on
Tuesday.

&&

.AVIATION /18Z WEDNESDAY THROUGH MONDAY/...
Through 12Z Thursday...Mainly VFR/dry with breezy south to
southwest winds gusty to 25-30 kts by 15-18z Thu. A moderately
strong pressure gradient develops with high pressure over the
southeast US and low pressure over James Bay through Thu so
along with the winds it looks like chances of any fog at KMPV is
small early tomorrow morning. Only expecting some high to mid
level clouds toward 18z Thu ahead of an approaching weak cold
front which passes through mainly dry Thursday night with a wind
shift to west northwest.

Outlook...

Thursday Night: VFR. Breezy. NO SIG WX.
Friday: VFR. NO SIG WX.
Friday Night: VFR. NO SIG WX.
Saturday: VFR. NO SIG WX.
Saturday Night: VFR. NO SIG WX.
Sunday: VFR. NO SIG WX.
Sunday Night: VFR. Chance SHRA.
Monday: VFR. Chance SHRA.

&&

.EQUIPMENT...
KTYX radar at Fort Drum, New York will remain down for
scheduled maintenance through a good portion of today (October
18) as technicians repaint the radome.

&&

.BTV WATCHES/WARNINGS/ADVISORIES...
VT...None.
NY...None.

&&

$$
SYNOPSIS...Sisson
NEAR TERM...Sisson
SHORT TERM...Sisson
LONG TERM...Deal
AVIATION...Banacos
EQUIPMENT...Team BTV



 
 
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