ATL: SANDY - Remnants - Discussion
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Observations: 2.4 miles inland, Jupiter, FL. (local time, wind and today's rainfall data)
13:15__ Current(mph):07.3__ CurrentGust(mph):11.5__ 1HourAvg(mph):08.5__ MaxGustToday(mph):25.6__ RainToday(in):0.02
14:15__ Current(mph):08.7__ CurrentGust(mph):14.0__ 1HourAvg(mph):08.6__ MaxGustToday(mph):25.6__ RainToday(in):0.02
15:15__ Current(mph):07.1__ CurrentGust(mph):10.4__ 1HourAvg(mph):08.2__ MaxGustToday(mph):25.6__ RainToday(in):0.03
16:15__ Current(mph):11.2__ CurrentGust(mph):17.4__ 1HourAvg(mph):10.7__ MaxGustToday(mph):25.6__ RainToday(in):0.08
17:15__ Current(mph):17.0__ CurrentGust(mph):24.0__ 1HourAvg(mph):13.2__ MaxGustToday(mph):28.0__ RainToday(in):0.10
18:15__ Current(mph):13.0__ CurrentGust(mph):20.6__ 1HourAvg(mph):12.0__ MaxGustToday(mph):28.0__ RainToday(in):0.13
13:15__ Current(mph):07.3__ CurrentGust(mph):11.5__ 1HourAvg(mph):08.5__ MaxGustToday(mph):25.6__ RainToday(in):0.02
14:15__ Current(mph):08.7__ CurrentGust(mph):14.0__ 1HourAvg(mph):08.6__ MaxGustToday(mph):25.6__ RainToday(in):0.02
15:15__ Current(mph):07.1__ CurrentGust(mph):10.4__ 1HourAvg(mph):08.2__ MaxGustToday(mph):25.6__ RainToday(in):0.03
16:15__ Current(mph):11.2__ CurrentGust(mph):17.4__ 1HourAvg(mph):10.7__ MaxGustToday(mph):25.6__ RainToday(in):0.08
17:15__ Current(mph):17.0__ CurrentGust(mph):24.0__ 1HourAvg(mph):13.2__ MaxGustToday(mph):28.0__ RainToday(in):0.10
18:15__ Current(mph):13.0__ CurrentGust(mph):20.6__ 1HourAvg(mph):12.0__ MaxGustToday(mph):28.0__ RainToday(in):0.13
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Re: ATL: SANDY - Hurricane - Discussion
jhpigott wrote:Wind has picked up here in northern palm beach county as well (I'm a little less than a mile from the coast as the crow flies). Hope that cyclonic loop that some of the models are forecasting in the NW Bahamas doesn't push Sandy too close to the SE FL coast.
last 90 minutes have been stronger than anything isaac offered up..neighbors basketball hoop went down
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Re: ATL: SANDY - Hurricane - Discussion
Interesting. The NWS upped the wind gusts expected on Friday for my location:
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Windy, with a north wind 31 to 36 mph, with gusts as high as 70 mph. Chance of precipitation is 60%.
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Windy, with a north wind 31 to 36 mph, with gusts as high as 70 mph. Chance of precipitation is 60%.
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Re: ATL: SANDY - Hurricane - Discussion
Portastorm wrote:I hope and pray that folks along the East Coast (and inland areas) take this serious and spend their weekend preparing for this event.
For what it's worth, it's on pretty much every forum I frequent, most of which have nothing at all to do with weather. People are talking about it.
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center fix. is west of the 5pm advisory. seems the turn has started
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Note: If I make a post that is brief. Please refer back to previous posts for the analysis or reasoning. I do not re-write/qoute what my initial post said each time.
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Re: ATL: SANDY - Hurricane - Discussion
Weatherguy173 wrote:wxman57 wrote:This has the potential to a historic storm for the northeast. Something we'll talk about decades from now (I hope I'll be around decades from now). A very large subtropical storm with hurricane-force wind striking south of Long Island/NHC nearly head-on into the coast would be an extremely rare event. This could set the record for the number of people without power from a single storm. Flooding will be like nothing many have seen in their lifetimes. Very, very bad...
Don't you remember the 1938 new england hurricane striking long island? That's historic. It killed over 680 people - directly.
I was thinking of the 1938 storm all day today. The picture of the potential storm surge that Rock showed earlier definitely brought pictures of that storm to mind.
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Re: ATL: SANDY - Hurricane - Discussion
I have a question for the pro-mets, once Sandy makes landfall, how quickly is it expected to lose strength and move over land on it's track?
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Re: ATL: SANDY - Hurricane - Discussion
HurricaneFrances04 wrote:Interesting. The NWS upped the wind gusts expected on Friday for my location:
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Windy, with a north wind 31 to 36 mph, with gusts as high as 70 mph. Chance of precipitation is 60%.
They upped things for us here a few miles north of you. Now saying Tropical Storm conditions expected, with sustained winds 40, gusting to 75.
http://forecast.weather.gov/MapClick.ph ... 7918457029
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Re: ATL: SANDY - Hurricane - Discussion
Heard from my folks in Exuma. Power is already back on. No real damage.
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Re: ATL: SANDY - Hurricane - Discussion
Ken711 wrote:I have a question for the pro-mets, once Sandy makes landfall, how quickly is it expected to lose strength and move over land on it's track?
Because it is expected to be a hybrid storm (with characteristics both tropical and mid-latitude or nor'easter type) it will not weaken as quickly as a purely tropical storm would. So the winds will not come down as quickly. This also means the high seas and beach erosion will last longer.
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Re: ATL: SANDY - Hurricane - Discussion
bahamaswx wrote:Heard from my folks in Exuma. Power is already back on. No real damage.
awesome news!
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Re:
CrazyC83 wrote:Looks like it weakened some for now. NOAA flight supports no higher than about 70 kt.
Right on schedule. The expanding wind field is causing the winds to drop near the center as long as pressure doesn't come up much.
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Re: ATL: SANDY - Hurricane - Discussion
ozonepete wrote:Ken711 wrote:I have a question for the pro-mets, once Sandy makes landfall, how quickly is it expected to lose strength and move over land on it's track?
Because it is expected to be a hybrid storm (with characteristics both tropical and mid-latitude or nor'easter type) it will not weaken as quickly as a purely tropical storm would. So the winds will not come down as quickly. This also means the high seas and beach erosion will last longer.
Thank you for your reply.
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Re: ATL: SANDY - Hurricane - Discussion
[quote="bahamaswx"]Heard from my folks in Exuma. Power is already back on. No real damage.[/quote]
That's great!!
That's great!!
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Re: ATL: SANDY - Hurricane - Discussion
Latest Microwave.
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Re:
Kingarabian wrote:ozonepete, are Topical storms stronger than those Hybrid storms?
They're all different. Some hybrid storms have been exctremely powerful, such as Hurricane Hazel in 1954. The wikipedia entry for Hazel is pretty good: http://en.wikipedia.org/wiki/Hurricane_Hazel
With 100 mph + winds all over the coastal mid-Atlantic states it was clearly much more powerful than many tropical storms are.
So extratropical storms like this are rare but can happen and be devastating. They are formed when a cold 500mb trough (mid-level of the atmosphere) pushes down from Canda and the leading edge of it intercepts a hurricane. They basically change the hurricane structure from warm-core to cold-core and this allows the hurricane to remain strong when it should have weakened.
Here's an old surface chart showing Hazel as the cold front and upper level 500mb trough were about to merge with it, and the surface forecast for Sandy and the approaching front for Monday morning. Very similar setup.
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Re: ATL: SANDY - Hurricane - Discussion
btw, note how extremely close the isobars (lines of equal pressure) are around the hurricane. Sandy's isobars are still really packed on the Monday forecast map, indicating very high wind.
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