Akash and Gonu thread

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DrewFL

#361 Postby DrewFL » Tue Jun 05, 2007 10:39 pm

Gonu has been dropping off fairly rapidly:

CI# /Pressure/ Vmax
4.3 / 970.0mb/ 72.2kt
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#362 Postby Chacor » Tue Jun 05, 2007 10:41 pm

Latest from 03Z suggests lower intensity,

CI# /Pressure/ Vmax
4.2 / 972.0mb/ 69.8kt

But I think this may be slightly on the low side. Probably still about 75-80 kts like the JTWC thinks.
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#363 Postby Chacor » Tue Jun 05, 2007 10:45 pm

For some ridiculous reason the IMD has issued its final warning.

280
FKIN20 VIDP 060338

TC ADVISORY
-----------
DTG: 20070606/0000Z
TCAC: NEW DELHI.
TC: GONU
NR: 15


PSN: N2230 E05930
MOV: W06KT
C: 970HPA
MAX WIND: 80KT GUSTING TO 90KT


FCST PSN+12HRS: OVER LAND


NEXT MSG: 20070606/NO MSG
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#364 Postby Matt-hurricanewatcher » Tue Jun 05, 2007 10:47 pm

I don't understand why they would issue there final warning. Thank god for the JTWC.
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DrewFL

#365 Postby DrewFL » Tue Jun 05, 2007 10:52 pm

I hit my back button on the mouse and it reposted that again. Sorry. Didn't realize that happened.
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#366 Postby Chacor » Tue Jun 05, 2007 10:55 pm

Matt-hurricanewatcher wrote:I don't understand why they would issue there final warning. Thank god for the JTWC.


Fair enough that they expect it to remain over land for 12 hours, but if they expect it to move back into water past that it would make no sense for them to stop advs now... especially not with this:

Image
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#367 Postby Cyclenall » Wed Jun 06, 2007 1:14 am

Cyclone Gonu is looking a bit more organized right now. Convection got stronger again near the center and south-east side of the cyclone horus ago but is again waning a bit.
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Berwick Bay

#368 Postby Berwick Bay » Wed Jun 06, 2007 3:32 am

This is what the people of Oman were saying as the cyclone began coming ashore there. The populace at least seems more informed than at events like this in the past. Here are some interesting accounts from the people.

I have lived in Oman for nearly 10 years and I have never experienced something like this. The schools are closed, we have been told the water and power is going to be cut. We have also been told to fill buckets and bathtubs with water and to stock up on food supplies for at least 5 days! The houses in Oman are not strong enough to withstand the winds and the rain is pouring down inside our homes. Even though we know we are going to be safe, there will be a lot of damage done and it is not safe outside the house.
Andre Waerness-Vold, Muscat, Oman


I live in the Madinat Qaboos area that is near where last March's devastating drench flooded the Qurum area and flooded the entire area whilst putting an instant halt to business for two whole days. It is said that we would feel the force of it by 2am Oman Main Time. I am hoping that this cyclone will just blow by the coastal area and never hit Muscat. It doesn't seem we really are prepared and the disaster would be outstanding.
Ali Mehdi, Muscat, Sultanate of Oman


I live and work in Oman for the past 12 years and I love this beautiful country. This is one of the most clean and organised countries in the world. However, we are all informed about the forthcoming threat of Gonu cyclone. His Majesty the Ruler of this country has kindly declared holidays from today till Saturday 9 June. There is high security arrangement and the people from the coastal area have been evacuated to safer destination and these people are well cared for.
Mary Vasaikar, Muscat, Oman


All offices and public institutions have closed down in anticipation of the cyclone. I doubt anything but the general food stores and coffee shops will be open tomorrow. It's actually 19:10 Tuesday evening and there is the most incredible sunset I have ever seen in Oman, everything is quite calm and there are lots of clouds which is unusual for this time of year.
Daniel , Nizwa, Oman


Clouds have been over coastal mountains since this morning - no rain yet - winds constant at about 15-20 mph - feels like a storm is coming... but not yet.
Michael Benz, Muscat, Oman


I am living in Qurm which is the main commercial area of Muscat. Weather conditions are stable. There skies are very cloudy with a little bit of wind. The sea is closer than it usually is to the shore. Other than that all is good where weather is concerned.
Mohammed Al Moosa, Qurm ,Oman


The Omani government has declared holidays from today until Sunday. Till 19:00 hrs the thing are normal on weather front but a strange kind calmness is witness here.
Sagar Kulkarni, Muscat, Oman


Nothing much, as yet. Very heavy cloud cover, but no rain in central Muscat (18.48 local time). Storm predicted to hit Muscat between 12 midnight and 2 a.m. local time. All business and schools closed at 2 p.m. today and many people headed to petrol stations and supermarkets who quickly reported selling out of fuel, food and water. We are 50 metres from beach and although sea is choppy, there is no other sign of an impending storm.
Jane, Muscat, Oman


We had cyclone in 1981 and 300 peoples died in Oman, but we expect this one to be much bigger than the one we had in 1981, but this time the government is well ahead prepared for the outcome, let us hope we will overcome the tragedy. Jamal Y. Jaffer - Muscat
Jamal Yousuf Jaffer, Wadi Kabir, Muscat - Oman


It has been a very hectic day here in Muscat. In the afternoon the queues in the supermarkets were up to 3 hours long. Everything has been closed down now. If you have not been able to get groceries by now, then forget it. People are staying inside. The waves in Muttrah which is the port of Muscat have started to reach over the barriers and onto the roads. The authorities are keeping regular updates on the television.
Kristin Norman Berg, Muscat, Oman


We have lived here for a few years now and have seen some pretty serious storms. However, people seem to be panicking about this one, and I can only assume it is because we are actually getting warnings about it. There is little to no adequate drainage here and that always compounds any issue with rain fall. People are always getting flooded out in Muscat, but people are always ready to help each other here... no matter their nationality or religion.
Alison Hardy, Muscat, Sultanate of Oman
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#369 Postby Chacor » Wed Jun 06, 2007 4:10 am

TROPICAL STORM “GONU” ADVISORY NO. THIRTY-TWO ISSUED AT 0900 UTC OF 6TH JUNE, 2007 BASED ON 0600 UTC CHARTS OF 6TH JUNE 2007. THE VERY SEVERE CYCLONIC STORM “GONU” EMERGED INTO GULF OF OMAN AND LAY CENTRED AT 0600UTC OF 06TH JUNE, 2007 NEAR LAT. 23.50N AND LONG 59.50 E .

MAXIMUM SURFACE SUSTAINED WIND SPEED 80 KTS GUSTING 90 KTS.

FORECAST: THE SYSTEM IS LIKELY TO WEAKEN AND MOVE IN A NORTH-NORTHWESTERLY DIRECTION. 24 HOURS FORECAST INTENSITY IS T3.5 RPT T3.5. SEA CONDITION WILL BE VERY HIGH TO PHENOMENAL.

No surprise, the landfall was right on the eastern tip of the Peninsula and it was always going to re-emerge over water. JTWC has it down to 75 kt.

REMARKS:
060900Z POSITION NEAR 23.3N 59.3E.
TROPICAL CYCLONE 02A (GONU) LOCATED APPROXIMATELY 60 NM EAST-
SOUTHEAST OF MUSCAT, OMAN, HAS NORTHWESTWARD AT 07 KNOTS OVER THE
PAST 06 HOURS. CURRENT INTENSITY IS BASED ON DVORAK ESTIMATES OF
75 KNOTS. TC 02A HAS EXPERIENCED A SIGNIFICANT DECREASE IN INTENSITY
OVER THE PAST 24 HOURS AS A RESULT OF DECREASING OCEAN HEAT CONTENT,
INCREASING VERTICAL WIND SHEAR AND ENTRAINMENT OF DRY AIR FROM THE
ARABIAN PENINSULA. A 060353Z SSMI/S MICROWAVE IMAGE SHOWS THAT THE
LOW LEVEL CIRCULATION CENTER REMAINS WELL DEFINED, BUT HAS LOST DEEP
CONVECTION ON THE EASTERN QUADRANTS. UPPER LEVEL ANALYSIS INDICATES
ZONAL FLOW OVER SOUTHWEST ASIA, WITH A SERIES OF SHORTWAVE TROUGHS
EMBEDDED IN THE FLOW. THE SYSTEM IS CURRENTLY TRACKING NORTHWESTWARD
UNDER THE INFLUENCE OF AN EXTENSION OF THE SUBTROPICAL RIDGE TO THE
NORTH OVER IRAN. THE SYSTEM IS EXPECTED TO CONTINUE TO WEAKEN
THROUGHOUT THE FORECAST PERIOD DUE TO INTERACTION WITH LAND, DRY AIR
ENTRAINMENT AND LOW OCEAN HEAT CONTENT. AS THE SYSTEM WEAKENS, THE
PRIMARY STEERING INFLUENCE WILL BE THE LOW- TO MID-LEVEL RIDGE OVER
SOUTHWEST ASIA. THE SYSTEM IS EXPECTED TO MAKE LANDFALL BETWEEN TAU
48 AND 72 IN SOUTHERN IRAN. THIS FORECAST IS BASED ON A CONSENSUS OF
THE AVAILABLE DYNAMIC AIDS, WHICH ARE IN GOOD AGREEMENT. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 060600Z IS 28 FEET. NEXT WARNINGS AT
061500Z, 062100Z, 070300Z AND 070900Z.
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#370 Postby P.K. » Wed Jun 06, 2007 6:48 am

Well they still seem to be issuing public advisories. It is now well into MetArea IX instead of VIII_N so maybe the aviation warnings get relayed through someone else?
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DrewFL

#371 Postby DrewFL » Wed Jun 06, 2007 7:18 am

Image

Image



Muscat: Cyclone Gonu hit the capital of Oman on Wednesday lunchtime, bringing high winds and heavy rain.

The storm had moved up the coast after making landfall in the eastern region in the early hours of Wednesday morning.

It is now thought to be moving north towards Iran, with heavy weather also expected to hit the UAE on Wednesday evening and during Thursday.

The force of cyclone Gonu knocked out power lines and cut off the eastern region of the country after it hit the coast at around 3am.

However the storm has weakened and has been downgraded to a Category One cyclone according to the US military's Joint Typhoon Warning Center said.

Electricity and telephones lines were cut off as a result of the storm, but power has been restored in some areas.


--------------------------------------------------------------------------------


--------------------------------------------------------------------------------


There is thought to have been extensive damage to property but so far no fatalities have been reported.

Oil and gas terminals in the country will remain closed for a second day because of the poor weather, according to media reports.

In Iran, authorities evacuated hundreds of people living in the port city of Chabahr on the coast of the Sea of Oman, believed to be next in the cyclone's path.

Azhar Al Kindi, a member of Oman's National Committee for Civil Defence, said the government was working to restore power to the region.

He added: “There is extensive damage to properties in most towns in the eastern region including Sur and Ras Al Hadd.

“There is a great impact but the magnitude of the damage is not known yet. All our police stations are on high alert but so far there has not been any reported injuries, missing persons or fatalities since last night.”

Al Kindi added that the “early warning and transparency” about the storm had allowed residents to arm themselves about the full magnitude of the approaching storm and take appropriate steps.
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#372 Postby P.K. » Wed Jun 06, 2007 7:27 am

Back up to 90kts.

Dated: 6th June, 2007


Subject: Very Severe Cyclonic Storm “GONU’


TROPICAL CYCLONE ADVISORY

RSMC – TROPICAL CYCLONES, NEW DELHI



TROPICAL STORM “GONU” ADVISORY NO. THIRTY-THREE AT 1130 UTC OF 6TH JUNE, 2007 BASED ON 0900 UTC CHARTS OF 6TH JUNE 2007. THE VERY SEVERE CYCLONIC STORM “GONU” LAY CENTRED AT 0900 UTC OF 06TH JUNE 2007 NEAR LAT. 23.50N AND LONG. 59.50 E .


CURRENT INTENSITY IS T4.5 RPT T4.5 SATELLITE IMAGERIES SHOW CDO PATTERN. ESTIMATED CENTRAL PRESSURE 970HPA. MAXIMUM SUSTAINED SURFACE WIND SPEED 90 KTS GUSTING 100 KTS.



FORECAST: THE SYSTEM IS LIKELY TO WEAKEN AND MOVE IN A NORTHWESTERLY DIRECTION. 24 HOURS FORECAST INTENSITY IS T4.0 RPT T4.0 SEA CONDITION WILL BE VERY HIGH TO PHENOMENAL.
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#373 Postby Windsurfer_NYC » Wed Jun 06, 2007 8:47 am

hmmm, so JTWC has Gonu at 75 kts, but RSMC New Delhi has it at 90 kts....

so, which is it?
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#374 Postby Chacor » Wed Jun 06, 2007 9:46 am

P.K. wrote:Well they still seem to be issuing public advisories. It is now well into MetArea IX instead of VIII_N so maybe the aviation warnings get relayed through someone else?


Found it:
The storm is out of New Delhi's ICAO area of responsibility, that's how rare storms are here.

New Delhi's AOR is from 5°N to the coast between 60°E and 100°E. In the final ICAO warning it was noted
PSN: N2230 E05930, 59.5°E, so it's no longer required to issue them.
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#375 Postby Chacor » Wed Jun 06, 2007 11:03 am

TROPICAL STORM “GONU” ADVISORY NO. THIRTY-FOUR AT 1500 UTC OF 6TH JUNE, 2007 BASED ON 1200 UTC CHARTS OF 6TH JUNE 2007. THE VERY SEVERE CYCLONIC STORM “GONU” MOVED NORTWESTWARD AND LAY CENTRED AT 1200 UTC OF 06TH JUNE 2007 NEAR LAT. 24.00N AND LONG. 59.00 E.

CURRENT INTENSITY IS T4.5 RPT T4.5 SATELLITE IMAGERIES SHOW SOLID INTENSE TO VERY INTENSE CONVECTION. ESTIMATED CENTRAL PRESSURE 970HPA. MAXIMUM SUSTAINED SURFACE WIND SPEED 90 KTS GUSTING 100 KTS.

FORECAST: THE SYSTEM IS LIKELY TO WEAKEN AND MOVE IN A NORTHWESTERLY DIRECTION. 24 HOURS FORECAST INTENSITY IS T4.0 RPT T4.0 SEA CONDITION WILL BE VERY HIGH TO PHENOMENAL.
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#376 Postby mempho » Wed Jun 06, 2007 12:43 pm

Image
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#377 Postby JonathanBelles » Wed Jun 06, 2007 12:56 pm

Wow! I didnt realize how rare storms are here. Has there ever been a TC in the Persian Gulf? How many times has Iran experianced a TC?
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#378 Postby HurricaneRobert » Wed Jun 06, 2007 1:04 pm

None even in the Gulf of Oman.

Image

This one made it to the Gulf of Aden:

Image

Thar be pirates there too.
Last edited by HurricaneRobert on Wed Jun 06, 2007 1:08 pm, edited 2 times in total.
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#379 Postby Ptarmigan » Wed Jun 06, 2007 1:06 pm

fact789 wrote:Wow! I didnt realize how rare storms are here. Has there ever been a TC in the Persian Gulf? How many times has Iran experianced a TC?


Persian Gulf is the warmest body of water in the world. I have never heard of any TC in the Persian Gulf because of all the dry air there.
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#380 Postby Ptarmigan » Wed Jun 06, 2007 1:08 pm

mempho wrote:Image


Wow! The storm surge is high! :eek:
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