Slight risk added for SNE with a 5% tor risk.
...Mid Atlantic to New England...
A very moist airmass is in place across the East Coast with 1.9 to
2.2 inch PWAT values on most 00Z RAOBs and mid 70s dewpoints from
the Carolinas to New England. Within this moist environment, SPC
mesoanalysis suggests an uncapped ML parcel across much of New
England early this morning which should remain through mid-day.
Therefore, despite expansive cloud-cover and minimal surface
heating, expect 1000-1500 J/kg MLCAPE across New England this
morning. Across the same region, surface flow will strengthen
somewhat in response to the developing surface cyclone. A 40 knot
low-level jet will develop and overspread New England between 12Z
and 18Z. This will yield 0-500m SRH around 100 to 150 m2/s2 with
clockwise curvature in the lowest 1km. Given the moist profile,
lapse rates will be very poor which may result in relatively weak
updrafts. However, if stronger, sustained updrafts can develop, a
couple of tornadoes are possible across portions of New England,
primarily before 17Z.