French system for METAREA VIII (S)

4. French system for METAREA VIII (S)

4.1. SafetyNet system

La Réunion prepares tropical cyclone warnings for METAREA VIII (S) (headers WTIO20 FMEE and WTIO22 FMEE), every 6 hours when needed.

Mauritius prepares scheduled bulletins (headers FQIO25 FIMP and FQIO26 FIMP) that are received in La Réunion via FTP protocol. Parts I of those bulletins have to be in accordance with warnings elaborated by La Réunion, if any.
All those messages (scheduled bulletins and warnings) are sent, using a TCP/IP link, to the national weather centre of Météo-France in Toulouse for transmission to the CES of Aussaguel (for broadcast over IOR). Goonhilly is also used as the back-up station.

Scheduled bulletins, if available, are transmitted automatically to the CES near the agreed WMO times of 0130 and 1330 UTC. Warnings are broadcast as soon as available with a 6 minute echo.

Forecasters in La Réunion are able to display the broadcast bulletins using a C terminal at their disposal.
There is no French Navtex in Metarea VIII(S).

4.2. SafetyNet bulletins

Those messages are issued from Mauritius. Part 1 (warning recall) has to be in accordance with the last warning of La Réunion, if any.

Cyclone warnings are issued for winds of Beaufort force 8 and above (as recommended by WMO) observed or expected in the next 24 hours.

8 parts:

- beginning of validity

- phenomenon (type, name, pressure)

- position

- movement

• 
  Menaced areas (radius for gale, storm, hurricane winds - sea state)
  
• 
  Forecasted positions (12h)
  
• 
  Forecasted positions (24h)
  

4.3. Chronology since the beginning of implementation

Date	Event
16 December 1997	Scheduled bulletins from Mauritius are transmitted to Aussaguel CES on an pre-operational basis by the national weather centre of Météo-France in Toulouse
1st January 1998	Scheduled bulletins from Mauritius and warnings from La Réunion are transmitted to Aussaguel CES on an operational basis by the national weather centre of Météo-France in Toulouse
31 January 1998	South Africa stops broadcasting messages from mauritius and La Réunion
1st February 1998	installation of a Inmarsat-C SES in La Réunion, for checking the INMARSAT broadcast
31 March 1998	South Africa stops checking the INMARSAT broadcast
1st July 1998	relief procedures are now automatically run thanks to the new system used for transmissions to CES in Toulouse

4.4. Feedback from users

no complaint about contents or broadcasting time of meteorological messages.

4.5. Monitoring

Real time checking of the transmission to the CES is available by displaying the files containing the interactive dialogues between our Center in Toulouse and the CES.

Forecasters in La Réunion have also a Inmarsat-C SES at their disposal to check manually the broadcasting.
Table IV : transmission of scheduled bulletins to CES for Metarea VIII(S) (%) - January 1999/June 2002

	IOR
	Year 1999			Year 2000			Year 2001			Year 2002
	Available		Non available	Available		Non available	Available		Non available	Available		Non available
Month	within H15 min.	within H30 min.		within H15 min.	within H30 min.		within H15 min.	within H30 min.		within H15 min.	within H30 min.
01	93	94	26	97	98	11	95	97	15	96	96	18
02	95	96	4	98	98	3	100	100	23	90	96	21
03	97	98	2	100	100	8	98	100	3	97	97	16
04	97	100	5	100	100	13	98	98	3	100	100	5
05	97	100	3	100	100	3	98	100	16	98	98	26
06	98	98	7	100	100	8	98	98	0	100	100	20
07	100	100	2	98	100	13	100	100	0
08	97	97	5	98	98	5	100	100	13
09	97	98	7	98	98	10	98	98	10
10	100	100	2	98	98	10	98	98	11
11	95	98	3	91	92	20	100	100	7
12	95	100	3	98	98	3	98	98	2

comment : Non Available rates are due to material links problems between Mauritius and La Réunion.

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