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Historic Sandy Oct 26th - 31st, SE hybrid obs/disco thread....


WeatherNC

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Just think how many hours the NE Fetch would be for NYC/LI and points east/north. 3 Cycles of full moon. Crazy if it verifites.

This would be a pretty catastrophic storm if GFS is correct. I'm not good at reading the maps when it comes to hurricanes but wouldn't this create a crazy storm surge for NYC?

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From the NE sf....this has been a steady feature the past couple of days.

This is ridiculous. Two left exit regions and two right entrance regions pretty much collocated at Sandy's location. I drew the jet streak directions in green and labeled left exit with LEx and right entrance with REn. The jet east of Maine is an EASTERLY jet which makes that region a left exit region. Pretty incredible. I do not think a 940mb low is out of the cards, at all.

post-73-135118418212.jpg

EDIT: To add the picture instead of the link

post-279-0-87371400-1351185346_thumb.jpg

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NWS Blacksburg

Will have our forecast weighted toward the solution put forth by HPC

which incorporates elements of both the GFS and ecwmf. Both models

bring colder 850 mb air into the region on the back side of the cold

front so will be increasing the potential snowfall areas in the

west...and extending them farther east than the prior forecast.

Precipitation is expected to occur in the east coincident the cold

front as it stalls and it rides along the western extent of the

precipitation shield associated with Sandy/S low. Also...in the

west...strong northwest flow will help maintain upslope showers

across southeast West Virginia and neighboring section of southwest

Virginia. Given the latest trends toward colder 850 mb and surface

temperatures in this region...we anticipate more of these showers

will be snow showers from Monday Onward...especially during the

overnight hours. By Wednesday...the precipitation in the east is

expected to have exited the region. However...the upslope

precipitation will continue in the west as we maintain a strong

pressure gradient. The winds from Monday through Tuesday may gust 25

to 30 miles per hour at higher elevations.

:snowwindow:

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Defiantly don't wanna bite on the current EURO...just don't see that very climatology like. Not likely to happen IMO.

While 850's are there, SFC temps could be problematic...of course with enough evap cooling and heavy rates maybe it can overcome? Right now sfc temps for NC outside of the mountains only get into the low 40's.

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