Extraordinary barometer-Late week storm

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WEATHER53
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Extraordinary barometer-Late week storm

#1 Postby WEATHER53 » Sun Nov 09, 2003 11:52 am

DCA reporting 30.75 at 11am, several locations had risen to 30.80. I know nothing like this happened last year even with all the cold. Now, following the theory that a main function of weather is to try to balance, let's look ahead. A strong low is already on the books, travelling around great lakes, thru ny state and into New England in the Thursday time frame. So using some forecasting analog precedent I believe this low will become very strong, on order of 29.20, and along with any snow that may fall in the coldest regions the wind potential for the regions is very impressive and this would include Dc area as far as winds.
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#2 Postby LMolineux » Sun Nov 09, 2003 12:04 pm

Philadelphia had 30.75 for their reading. Currently here per wxbug it is 30.68 and falling.
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#3 Postby Stormsfury » Sun Nov 09, 2003 12:49 pm

One of the strongest highs to build down from Canada in quite a while, that's for sure ... currently in CHS it's been holding in the mid 50's with stiff NNE winds from 15 - 25 mph ... seen by the wedging down the Eastern Side of the Appalachians with the ageostrophic gradient.

As 0f 12:30 pm - a wide vast of 1038mb - 1040mb pressure coverage with a small blip greater than 1040mb in Southern Michigan.
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#4 Postby LMolineux » Sun Nov 09, 2003 12:56 pm

Stormsfury wrote:One of the strongest highs to build down from Canada in quite a while, that's for sure ... currently in CHS it's been holding in the mid 50's with stiff NNE winds from 15 - 25 mph ... seen by the wedging down the Eastern Side of the Appalachians with the ageostrophic gradient.

As 0f 12:30 pm - a wide vast of 1038mb - 1040mb pressure coverage with a small blip greater than 1040mb in Southern Michigan.
Image


Very impressive.
Looks liek next weekend could be the same maybe.
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#5 Postby ColdFront77 » Mon Nov 10, 2003 5:10 pm

Interesting. The latest highest barometric pressure readings were 30.41" and 30.52" during the latest 12 hour period (4:00am to 4:00pm ET) off the New Jersey/Delmarva coast.
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#6 Postby WEATHER53 » Tue Nov 11, 2003 11:28 am

Getting almost windy here in College Pk, southwest over 20mph at times. Keeping an eye on this system, do no see a big snowmaker except for isolated 6+ in northern Maine and Vermont but keep an eye on the baro. pressure and winds.
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#7 Postby JCT777 » Tue Nov 11, 2003 4:17 pm

Definitely going to be windy tomorrow night and Thursday in the mid Atlantic and Northeast, especially from DC north.
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#8 Postby WEATHER53 » Tue Nov 11, 2003 5:44 pm

NWS has now issued wind advisories/warnings for Thursday. Look for the tendency for this situation to get stronger. A 29.2 low like I am thinking about generally correlates to 40mph winds for DC area with sustained solid at 30-35 and gusts to 50. Biggest winds since Isable and some pwoer outages probable.
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#9 Postby Guest » Tue Nov 11, 2003 5:51 pm

Seems the DC area has had its share of wind makers.............I for one cant recall seeing so many bigger wind events for that area...........Perhaps you can add or share some insight on this 53.................As far as the snow goes it does seem like its gonna be alot less of a issue unless of course your in a favored snowbelt perhaps or in the northern areas of the NE like maine and VT, NH where som could see a decent amount of snow from this.................May get a little wrap around snow here at the tail end which shouldnt amount to much and perhaps even a few lake effect snowshowers.................
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#10 Postby WEATHER53 » Wed Nov 12, 2003 6:42 pm

Feel like I got a good early jump on this first coming out with it on Sunday. Going to the Md-UVA game tomorrow night, with 30+ winds gusting to 50 and temps falling to around 40 by gametime it is going to be a tough night to stay warm.
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#11 Postby chadtm80 » Wed Nov 12, 2003 7:09 pm

Hey 53 :-) Great to see you here.. I always enjoy your posts.. Keep them coming!!
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#12 Postby WEATHER53 » Thu Nov 13, 2003 11:16 am

All went well with this, areas around Ontario reporting baro. as low as 29.14, about 29.5 was lowest in DC area, winds in DC consistently 25-35 with frequent gusts to 45 and peak gust of 54.
What I see now is winds continuing tonight at 20-30 and most of Friday at 15-25. By Tues or so of next week we begin a generally quite mild trend which will carry to about the end of November, 11/28 approx when in 11/28-12/2 time frame I see one of the few strong coastal storms of the entire season.
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#13 Postby Tip » Thu Nov 13, 2003 11:34 am

If your looking at the day 16 GFS for a coastal storm on or about 11-28, I would have to say that is a long shot at best.
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#14 Postby JCT777 » Thu Nov 13, 2003 11:42 am

Kudos on your call for the wind and barometric pressure from this storm, W53. And it looks like the call for milder weather next week is going to be a good one also.
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#15 Postby Guest » Thu Nov 13, 2003 12:32 pm

Well i for one am expecting the next big system the week of Thanksgiving...........And no im not going by just a model run either (NAO,PNA ETC)! And as well i dont forsee any big warmups especially in these parts where i am at and if there is it will last a day at most!..............Normal temps at most here which right now average in the low 50s.............On a side note the NWS here says the warmest day will be Monday with a high of 50.............

BTW as i said in another thread Good call on the system as well 53!
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