Subject: Indian-N: Tropical Cyclone Forecast Bulletin (south-west Indian Ocean)

From: SIU Weather Processor <[email-masked]>
Date: Sat, 10 Mar 2001 12:25:21 -0600

WTIO30 FMEE 101800
RSMC / TROPICAL CYCLONE CENTRE / LA REUNION
TROPICAL CYCLONE FORECAST BULLETIN (SOUTH-WEST INDIAN OCEAN)
4.A NUMBER OF BULLETIN              : 8/8/20002001
1.A TROPICAL CYCLONE (DERA)
2.A POSITION AT 1800 UTC  10/03/2001 : WITHIN 20 NM RADIUS OF
    POINT 25.3S/40.7E (TWENTY FIVE DECIMAL THREE DEGREES SOUTH
    AND FORTY DECIMAL SEVEN DEGREES EAST).
3.A DVORAK ANALYSIS                 : 4.5/4.5  /D 0.5/24 H
4.A CENTRAL PRESSURE                : 960 HPA
5.A MAX AVERAGE WIND SPEED (10 MN)  : 75 KT
6.A EXTENSION OF WIND OF 30 KT AND OVER :
    NE30: 300 KM   SE30: 350 KM
    SW30: 400 KM   NW30: 300 KM
7.A 1ST CLOSED ISOBAR (PRESSURE/AVERAGE DIAM) : 1008 HPA / 900 KM
8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION : MEDIUM
1.B FORECAST 12H                    : 27.0S / 40.8E FI=5.0

2.B FORECAST 24H                    : 28.6S / 41.0E FI=5.0

3.B FORECAST 48H                    : 33.6S / 43.4E FI=
    EXTRATROPICAL
4.B OTHER INFORMATIONS              : T=CI=4.5+. THE SYSTEM
    TRACKS SSE IN A WEAKNESS OF THE SUBTROPICAL RIDGE. IT SHOULD
    EVACUATE RAPIDLY SOUTHEASTWARD WITH THE APPROCH OF AN
    IMPRTANT TROUGH, BUT EVEN EXTRATROPICAL, IT SHOULD KEEP
    HURRICANE FORCE WINDS.

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