BoB: Very Severe Cyclonic Storm SIDR

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Re: BoB: Very Severe Cyclonic Storm SIDR: Landfall has occurred

#681 Postby f5 » Thu Nov 15, 2007 11:46 am

Image

Just for persperctive as you can see Katrina was way bigger than Sidr
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Derek Ortt

#682 Postby Derek Ortt » Thu Nov 15, 2007 11:51 am

the comparison between the 2 images is not valid. They are not equal in scale The Katrina map is much smaller than the TC9B map
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Re: BoB: Very Severe Cyclonic Storm SIDR: Landfall has occurred

#683 Postby HurricaneRobert » Thu Nov 15, 2007 12:08 pm

The size difference doesn't really seem that great:

Sidr

Katrina

Note: these are the smaller 2k scale versions, so they won't crash your browser or anything.
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Re: BoB: Very Severe Cyclonic Storm SIDR: Landfall has occurred

#684 Postby f5 » Thu Nov 15, 2007 12:16 pm

the image of Sidr looks exaggrated as you can see Katrina was a very large storm with an eye 30 miles wide it created its own exaust system it didn't need the jet stream Sidr looks like a yoyo with that long exaust pipe
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Re: BoB: Very Severe Cyclonic Storm SIDR: Landfall has occurred

#685 Postby Sanibel » Thu Nov 15, 2007 12:25 pm

Wish we could get impact reports. The worst is happening right now.
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Re: BoB: Very Severe Cyclonic Storm SIDR: Landfall has occurred

#686 Postby jhonny » Thu Nov 15, 2007 12:33 pm

The latest is the storm has hit hard on the Bangaldesh coast after changing its course a bit from West Bengal,India.In West Bengal the Sagar Island and the Sunderbans are hit but not with the same intent as its being hit in the Sunderbans of Bangladesh and the other coastal areas.At the moment its passing through Barisal and Khulna in Bangladesh.Its started raining in Gangetic West Bengal already.
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Re: BoB: Very Severe Cyclonic Storm SIDR: Landfall has occurred

#687 Postby wxman57 » Thu Nov 15, 2007 12:33 pm

I'm able to adjust the scale of my Sidr satellite image to match the scale of some saved Katrina images. Really, Sidr isn't too much smaller than Katrina. The cirrus shield is nearly the same size. The area of TS-force winds was just a little larger with Katrina. And the core of strongest winds may have been about 25-50 miles larger with Katrina. Measurements were taken when Katrina was a Cat 5 on Sunday, August 28th.
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#688 Postby HURAKAN » Thu Nov 15, 2007 12:59 pm

Image
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Re: BoB: Very Severe Cyclonic Storm SIDR: Landfall has occurred

#689 Postby f5 » Thu Nov 15, 2007 1:05 pm

that surge is really rolling up the low lying Ganges river delta
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#690 Postby CrazyC83 » Thu Nov 15, 2007 1:18 pm

One other potential risk could be inland flooding and mudslides...it becomes mountainous quickly once out of Bangladesh...
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Re: BoB: Very Severe Cyclonic Storm SIDR: Landfall has occurred

#691 Postby P.K. » Thu Nov 15, 2007 1:34 pm

FKIN20 VIDP 151350

DTG : 20071115/1200Z
TCAC: NEW DELHI
TC : SIDR
NR : 15


PSN : N2100 E08900
MOV : N14KT
C : 940HPA
MAX WIND:115KT GUSTING TO 130KT


FCST PSN+12HRS: OVER LAND
MAX WIND+12HRS:

NEXT MSG: 20071115/1800Z


TOO : 15/1930 HRS IST.

---

DEMS-RSMC – TROPICAL CYCLONES, NEW DELHI DATED 15-11-2007



TROPCAL STORM “SIDR” ADVISORY NO. TWENTY NINE

ISSUED AT 1800 UTC OF 15 NOVEMBER, 2007.



THE VERY SEVERE CYCLONIC STORM “SIDR” OVER NORTH BAY OF BENGAL MOVED SLIGHTLY NORTHEASTWARDS AND LAY CENTRED AT 2030 HOURS IST OF TODAY, THE 15TH NOVEMBER 2007 OVER NORTH BAY OF BENGAL NEAR LAT. 21.50 N AND LONG 89.50 E, CLOSE TO THE COAST OF WEST BENGAL AND BANGLADESH. LATEST RADAR OBSERVATIONS OF DOPPLER WEATHER RADAR STATION, KOLKATA AT 2130 HRS IST INDICATE THAT THE SYSTEM IS NOW CROSSING WEST BANGLADESH COAST NEAR LONG. 89.80 E TO THE WEST OF KHEPUPARA (41984).



ESTIMATED CENTRAL PRESSURE: 944hPa.



THE SATELLITE IMAGERIES SHOW SOLID INTENSE TO VERY INTENSE CIRCULAR CONVECTIVE CLOUDS AROUND THE SYSTEM CENTRE. CURRENT INTENSITY: T6.0 RPT T6.0 MAXIMUM SUSTAINED SURFACE WIND SPEED IS 115-125 KTS AROUND THE STORM CENTRE.



SEA: PHENOMENAL.



FORECAST: THE SYSTEM IS LIKELY TO MOVE IN A NORTH-NORTHEASTERLY DIRECTION.



STORM SURGE OF HEIGHT 6-7 METRES ABOVE ASTRONOMICAL TIDE OVER COASTAL AREAS OF WEST BANGLADESH AND 3-4 METERS ABOVE ASTRONOMICAL TIDES OVER COASTAL AREAS OF WEST BENGAL LIKELY AT THE TIME OF LANDFALL.
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Coredesat

Re: BoB: Very Severe Cyclonic Storm SIDR: Landfall has occurred

#692 Postby Coredesat » Thu Nov 15, 2007 2:39 pm

Any idea when the satellite eclipse in this area ends?
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Re: BoB: Very Severe Cyclonic Storm SIDR: Landfall has occurred

#693 Postby wxman57 » Thu Nov 15, 2007 2:47 pm

Coredesat wrote:Any idea when the satellite eclipse in this area ends?


I'm not aware of any eclipse period this time of year, but here's the latest image I have. It's from 1730Z. We get images every 2 hours for free. Costs money for more frequent images. Sidr is definitely (was) less organized at 1730Z. The center was about 80 miles SW of Dhaka at that time.

Image
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Coredesat

#694 Postby Coredesat » Thu Nov 15, 2007 2:55 pm

Hmm, if it's every 2 hours, that explains why there haven't been any new images since then (it' s 1955 UTC right now).
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Re:

#695 Postby wxman57 » Thu Nov 15, 2007 2:58 pm

Coredesat wrote:Hmm, if it's every 2 hours, that explains why there haven't been any new images since then (it' s 1955 UTC right now).


The 1930Z image comes out between 20Z and 2030Z. It may be another 15-30 minutes.
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Derek Ortt

#696 Postby Derek Ortt » Thu Nov 15, 2007 3:03 pm

the Navy had been putting out images every 30 minutes on the NRL site
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Re: BoB: Very Severe Cyclonic Storm SIDR: Landfall has occurred

#697 Postby Squarethecircle » Thu Nov 15, 2007 3:05 pm

Any indications of what the storm surge might have been? Like, a report from the BBC team or something?
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Derek Ortt

#698 Postby Derek Ortt » Thu Nov 15, 2007 3:06 pm

looks to have accelerated even further and is not that far from Dhaka now
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Re:

#699 Postby wxman57 » Thu Nov 15, 2007 3:15 pm

Derek Ortt wrote:the Navy had been putting out images every 30 minutes on the NRL site


We could get them every 30 minutes if we paid for them, but we don't do much work in Asia so we have no need for more frequent imagery at this time. Still waiting on the 1930Z image to arrive...
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Coredesat

Re: BoB: Very Severe Cyclonic Storm SIDR: Landfall has occurred

#700 Postby Coredesat » Thu Nov 15, 2007 3:55 pm

Image

Sidr seems to have passed over the Ganges delta. Convection is drying up fairly rapidly.
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