SIO: IRINA - Post-Tropical

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HURAKAN
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#81 Postby HURAKAN » Sat Mar 10, 2012 10:41 am

WTIO30 FMEE 101211
RSMC / TROPICAL CYCLONE CENTER / LA REUNION
TROPICAL CYCLONE FORECAST WARNING (SOUTH-WEST INDIAN OCEAN)
0.A WARNING NUMBER: 51/11/20112012
1.A TROPICAL DISTURBANCE 11 (EX-IRINA)
2.A POSITION 2012/03/10 AT 1200 UTC:
WITHIN 20 NM RADIUS OF POINT 28.8 S / 35.6 E
(TWENTY EIGHT DECIMAL EIGHT DEGREES SOUTH AND THIRTY FIVE DECIMAL SIX
DEGREES EAST)
MOVEMENT : NORTH-WEST 4 KT
3.A DVORAK ANALYSIS: NIL
4.A CENTRAL PRESSURE: 1005 HPA
5.A MAX AVERAGE WIND SPEED (10 MN): 20 KT
RADIUS OF MAXIMUM WINDS (RMW) :NIL
6.A EXTENSION OF WIND BY QUADRANTS (KM):
28 KT NE: SE: SW: 200 NW:
7.A FIRST CLOSED ISOBAR (PRESSURE / AVERAGE DIAM): 1012 HPA / 400 KM
8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION : SHALLOW
1.B FORECASTS:
12H: 2012/03/11 00 UTC: 26.9 S / 35.3 E, MAX WIND=015 KT, LOW
24H: 2012/03/11 12 UTC: 24.9 S / 34.6 E, MAX WIND=010 KT, LOW
36H: 2012/03/12 00 UTC: 22.4 S / 34.1 E, MAX WIND=000 , INLAND
2.B LONGER-RANGE OUTLOOK :
2.C ADDITIONAL INFORMATIONS:
LOW LEVEL VORTEX IS NOW VERY BAD DEFINED.
NEAR GALE FORCE WINDS SHOULD PERSIST IN THE SOUTH-WESTERN QUADRANT
DUE TO THE GRADIENT EFFECT WITH THE SUBTROPICAL HIGH PRESSURES.
THE RESIDUAL LOW OF EX-IRINA IS FILLING UP AND SHOULD BE VERY WEAK WHEN
IT WILL APPROACH THE MOZAMBICAN COAST ON SUNDAY.
THIS IS THE LAST WARNING ON THIS SYSTEM UNLESS RE-INTENSIFATION.
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RobWESTPACWX
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Re: SIO: IRINA - Severe Tropical Storm (14S)

#82 Postby RobWESTPACWX » Thu Mar 15, 2012 9:59 pm

I'm still surprised at how long this one is hold on.
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