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

From: SIU Weather Processor <[email-masked]>
Date: Tue, 18 Apr 2000 13:37:19 -0500

822
WTIO30 FMEE 181800
RSMC / TROPICAL CYCLONE CENTRE / LA REUNION
TROPICAL CYCLONE FORECAST BULLETIN (SOUTH-WEST INDIAN OCEAN)
4.A NUMBER OF BULLETIN              : 12/14/19992000
1.A MODERATE TROPICAL STORM (INNOCENTE)
2.A POSITION AT 1800 UTC  18/04/2000 : WITHIN 20 NM RADIUS OF
    POINT 17.7S/72.0E (SEVENTEEN DECIMAL SEVEN DEGREES SOUTH AND
    SEVENTY TWO DECIMAL ZERO DEGREES EAST).
3.A DVORAK ANALYSIS                 : 2.5/2.5 PLUS /S  /24 H
4.A CENTRAL PRESSURE                : 995 HPA
5.A MAX AVERAGE WIND SPEED (10 MN)  : 35 KT
6.A EXTENSION OF WIND OF 30 KT AND OVER :
    NE30: 50 KM   SE30: 300 KM
    SW30: 300 KM   NW30: 40 KM
7.A 1ST CLOSED ISOBAR (PRESSURE/AVERAGE DIAM) : 1004 HPA / 500 KM
8.A VERTICAL EXTENSION OF CYCLONE CIRCULATION : MEDIUM
1.B FORECAST 12H                    : 18.2S / 70.7E FI=2.5

2.B FORECAST 24H                    : 18.8S / 69.5E FI=2.5

3.B FORECAST 48H                    : 20.6S / 67.4E FI=2.0

4.B OTHER INFORMATIONS              : THE DEVELOPPEMNT OF THE
    SYSTEM REMAINS LIMITED, DUE TO THE UPPER LEVEL CONSTRAINT
    INCREASING, THE SYSTEM TRACKS FIRST WESTSOUTHWESTWARDS, THEN
    MORE SOUTHWESTWARDS, UNDERGOING A TROUGH PASSING SOUTH OF 30S=