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forecast predicted mid to high 40s and rain at 6. Instead stayed in the high 30s; started drizzling around 3 pm. Nasty cold and wet bike ride; friend visiting up from NYC appreciated it for not being NYC. Toes still feel a bit numb
what's the high wind from? There's strong wind predicted tomorrow afternoon after the morning rain, passing low pressure?
Brr. 36°F. Here's the NWS Boston discussion:
trengthening low pressure sweeps NE across the E Great Lakes
ahead of which widespread rain with embedded heavier showers,
possible thunderstorms, along with strong to damaging winds are
forecast through Sunday night. Breezy and cooler conditions for
Monday. Moderate temperatures on Tuesday followed by scattered
showers on Wednesday as a cold front sweeps through. Chilly but
dry for Thanksgiving and into Friday.
Strong to damaging southwesterly wind threats developing out ahead
of a deepening area of low pressure across the E Great Lakes, the
trailing cold front of which sweeping S New England is the focus of
widespread rain with embedded heavier showers and the possibility of
thunderstorms.
what's the high wind from? There's strong wind predicted tomorrow afternoon after the morning rain, passing low pressure?
Brr. 36°F. Here's the NWS Boston discussion:
Strong to damaging southwesterly wind threats developing out ahead
of a deepening area of low pressure across the E Great Lakes, the trailing cold front of which sweeping S New England is the focus of
widespread rain with embedded heavier showers and the possibility of
thunderstorms.
Surprised they didn't get more technical than that. Yup. Sub 990mb Low over Ohio this hour dragging a front with it.. Surprised your not getting more warm with the southerly push ahead of it. Actually the warm front didn't go north as much as thought and now the cold front is coming so its done
That's the path it took and that's where its going. The tighter the gradient, the stronger the winds.
Surprised they didn't get more technical than that. Yup. Sub 990mb Low over Ohio this hour dragging a front with it.. Surprised your not getting more warm with the southerly push ahead of it. Actually the warm front didn't go north as much as thought and now the cold front is coming so its done
That's the path it took and that's where its going. The tighter the gradient, the stronger the winds.
ah. thanks for the map; explains what's going on though I kinda guessed what sorta system it was. I only copied pieces of the forecast; didn't bother with the most technical since I thought it was a bit too much. Here it is
Spoiler
Nose of strong warm air advection (WAA) within atmospheric sounding
profiles around H8, ushered by a well agreed upon 60-80 mph SW jet
around H925-8, lending to a steep lapse rates aloft. Attendant low-
level frontal convergence / lift with the cold front beneath robust
mid-level vortmax, QG-forcing, and the left front quadrant H3 jet,
subsequent deep layer ascent in an area of high shear as the H5 trof
undergoes its negative tilt obtaining cyclonic curvature. Conveyor
belt motions enhancing with the ingest of a continental sub-tropical
airmass (cT) with H925-7 thetaE exceeding 320K, surface dewpoints
surging to around 50 to 60F, especially SE New England, as drier
air impinges from the SW, sharpening, as the cold conveyor belt
drives in from the NW behind the H85-7 mid-level low, descending.
Thermal gradients tightening with time.
All coming together shortly after midnight towards the early morning
hours Sunday, both strong SW jet and strong dynamics. Out ahead of a
continued deepening surface low down to 980 mb across the E Great
Lakes towards NE VT.
Quote:
Wow at the 30s there. Gees. Forecast bust?
5pm Map.. Mid 50s Coastal CT and Long Island with rain.
morning started quite cold 22°F; no warm air surge but rain.
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