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Please note that this historical material is still in provisional form pending further review, but any comments/suggestions would be welcome to JMA (mcss(at)climar.kishou.go.jp). |
History of FM 13-SHIP, FM 21 SHIP, FM 22 SHIP, FM 23 SHRED, FM 24 SHIP/SHIGY and FM 26 SPESH
| Period of each code in effect | ||
|---|---|---|
| CODE | From | To |
| FM 13 SHIP | 1 Jan. 1982 | now in effect |
| FM 21 SHIP | 1949 | 31 Dec. 1981 |
| FM 22 SHIP | 1949 | 31 Dec. 1981 |
| FM 23 SHRED | 1949 | 31 Dec. 1981 |
| FM 24 SHIGY | 1 Jul. 1957 | 31 Dec. 1959 |
| FM 24 SHIP | 1 Jan. 1972 | 31 Dec. 1981 |
| FM 26 SPESH | 1949 | 31 Dec. 1981 |
Description of each change with resolution and recommendation
| Date in effect | Decription of change | Resolution | Recommendation |
|---|---|---|---|
| 2 Nov. 2011 | FM 13-XIV Ext. SHIP is made (amendments to FM 13-XIII Ext. SHIP) - Amendment to the regulation on past-weather reporting in hourly synoptic observations |
Amendments between CBS sessions (2011) WMO letter (18 Feb. 2011) WWW Operational Newsletter (29 Apr. 2011) |
|
| 5 Nov. 2008 | FM 13-XIII Ext. SHIP is made (amendments to FM 13-XII Ext. SHIP) - Modification to the regulation for reporting instrument detected cloud layers |
Corrigendum to Supplement No. 6 to the Manual on Codes, Vol. I.1 WMO letter (1 Oct. 2008) |
|
| These amendments were issued as Supplement No. 6 to the Manual on Codes, Vol. I.1. (Not including amendments of FM 13 SHIP) |
Res. 10 EC-LIX (May 2007) | Rec. 5 CBS-Ext. (06) (Nov. 2006) | |
| 5 Nov. 2003 | FM 13-XII Ext. SHIP is made (amendments to FM 13-XI Ext. SHIP) - Amendment to the regulation on reporting precipitation |
Res. 8 EC-LV (May 2003) | Rec. 4 CBS-Ext. (02) (Dec. 2002) |
| 3 May 2000 | FM 13-XI Ext. SHIP is made (amendments to FM 13-XI SHIP) - Amendment to the regulation on reporting past-weather |
Res. 8 EC-LI (May 1999) | Rec. 6 CBS-Ext. (98) (Sep. 1998) |
| 5 Nov. 1997 | FM 13-XI SHIP is made (amendments to FM 13-X SHIP) - A new regulation to avoid possible confusion in the radiation groups and group 5 of section 3 |
Res. 4 EC-XLIX (Jun. 1997) | Rec. 7 CBS-XI (Oct. 1996) |
| 2 Nov. 1994 | FM 13-X SHIP is modified - Add wet-bulb temp. - Systematically report present, past weather temp., clouds and waves - Indicate type of SST measurement |
Res. 4 EC-XLV (Jun. 1993) | Rec. 9 CBS-X (Sep. 1992) |
| 3 Nov. 1993 | FM 13-X SHIP is made (amendments to FM 13-IX Ext. SHIP) - Procedure to reporting net short wave and direct solar radiation |
Rec. 8 CBS-X (Sep. 1992) | |
| 1 Nov. 1991 | FM 13-IX Ext. SHIP is made (modification to FM 13-IX SHIP) - Pressure tendency algorithm - Total amount of precipitation - Actual time of observation |
Res. 8 EC-XLIII (May 1991) | Rec. 13 CBS Ext. (90) (Sep. 1990) |
| 1 Nov. 1989 | FM 13-IX SHIP is made (modification to FM 13-VIII Ext. SHIP) - Snow-depth data - Precipitation data - Daily amount of evaporation (evapotranspiration), net-radiation and duration of sunshine data |
Res. 1 EC-XL (Jun. 1988) | Rec. 12 CBS-IX (Jan. 1988) |
| 1 Nov. 1987 | FM 13-VIII Ext. SHIP is made (amendments to FM 13-VII SHIP) - Broaden use of N = / - Present weather from automatic ship stations - Identifiers of ocean platform such as drilling, oil and gas rigs - Wave height in reports from automatic ship stations |
Res. 4 EC-XXXVIII (Jun. 1986) | Rec. 5, 10 CBS Ext. (85) (Oct. 1985) |
| 1 Jan. 1984 | FM 13-VII SHIP is modified - Improvements in the regulations, notes and specifications |
Res. 4 EC-XXXV (May 1983) | Rec. 6 CBS-VIII (Jan. 1983) |
| 1 Jan. 1982 | FM 13-VII SHIP is introduced (deletion of FM 21-V SHIP, FM 22-V SHIP, FM 23-V SHRED and FM 24-V SHIP) - Common code for reporting surface observations from different types of surface station |
Res. 5 EC-XXXI (May 1979) | Rec. 14 CBS-VII (Nov. 1978) Annex to Rec.14 |
| 1 Jan. 1979 | FM 21-V SHIP, FM 22-V SHIP and FM 23-V SHRED are amended - Revision of ice group |
Res. 3 EC-XXIX (May 1977) | Rec. 9 CBS Ext. (76) (Nov. 1976) Axxen to Rec.9 |
| 1 Jan. 1978 | FM 21-V SHIP, FM 22-V SHIP, FM 23-V SHRED and FM 24-V SHIP are amended - Revision of the notes on the codes Res. 3 EC-XXIX (May 1977) |
Rec. 12 CBS Ext. (76) (Nov. 1976) | |
| 1 Jan. 1972 | FM 21.E, FM 22.E and FM 23.E are made (amendments to FM21.D, FM22.D and FM 23.D) - Introduction of MiMiMjMj |
Res. 15 EC-XXII (Oct. 1970) | Rec. 8 CSM-V (Jun. 1970) |
| Section 1 of FM 24.E is introduced - Introduction of Section 1 of FM 24.E before the general introduction in 1975 - General introduction of FM 24.E was recommend as from 1 Jan. 1975 in Rec. 22 CSM-V and decided in Res. 14 EC-XXII. However preference for other codes over FM 24.E was recommended in Rec. 7 CSM-VI and decided in Res. 3 EC-XXVI. |
Res. 15 EC-XXII (Oct. 1970) Res. 14 EC-XXII (Oct. 1970) Res. 3 EC-XXVI (Jun. 1974) |
Rec. 23 CSM-V (Jun. 1970) ANNEX XX (Annex to Rec.22) Rec. 22 CSM-V (Jun. 1970) ANNEX XX (Annex to Rec.22) Rec. 7 CSM-VI (Jun. 1974) |
|
| 1 Jan. 1968 | FM 21.D, FM 22.D and FM 23.D are made (amendments to FM21.C, FM22.C and FM 23.C) - Sea surface temperature, wind wave and swell wave - Ship's average speed: vs - Position: 99LaLaLa QcLoLoLoLo are introduced |
Res. 13 EC-XVIII (May 1966) | Rec. 5, 9, 13, 24 and 25 CSM-IV (Mar. 1966) |
| 1 Jan. 1964 | FM 21.C, FM 22.C and FM 23.C are made (amendments to FM21.B, FM22.B and FM 23.B) - Coding visibility at ocean weather station - Code for reporting sea ice: (2IsEsEsRs) - Amend the coding procedure of precipitation: 7RRtRtR |
Res. 34 EC-XIV (May 1962) | Rec. 26-28 CSM-III (Mar. 1962) |
| 1 Jan. 1960 | FM 23.B SHRED is made (replacement of FM 23.A) Extended use of FM 24 SHIGY and change over to FM23.B - Reduced type a ship report - FM 24 be continued for a period of one year after the end of IGY |
Res. 22 EC-X (Apr. 1958) | Rec. 1 CSM-II (Jan. 1958) |
| FM 26.B SPESH is made (replacement of FM 26.A) - Reduced type a ship report |
Rec. 2 CSM-II (Jan. 1958) | ||
| amendments to notes and specifications - A minor change in the specification for PPP - Notes on code table for Pw |
Rec.13 and 16 CSM-II (Jan. 1958) | ||
| 1 Jan. 1958 | modifications to technical regulations - Use of 7RRjj (precipitation) in code form FM 21.A - Reporting of distinct sea and swell - Descriptive terms for wave height - Descriptive term for ice |
Res. 33 and 35 EC-IX (May 1957) Annex to Res.35 |
Rec. 7, 9, 10 and 11 CMM-II (Oct. 1956) |
| 1 Jul. 1957 | FM 24 SHIGY is introduced - A new code form for the International Geophysical Year (Jul. 1957 - Dec. 1958) |
Res. 36 EC-IX (May 1957) | Rec. 14 CMM-II (Oct. 1956) |
| 1 Jan. 1955 | FM 21.A, FM 22.A and FM 23.A are made (amendments to FM21, FM22 and FM 23) - Reports from light vessels - Specifications for various codes - Heights of waves - Introduction of Dsvsxxx |
Res. 21 EC-IV (May 1953) | Rec. 8, 11, 15, 16 and 18 CSM-I (Apr. 1953) |
| -- | inclusion of ships' call signs | Res. 24 EC-IV (May 1953) | Rec. 29 CSM-I (Apr. 1953) |
| 1949 | SHIP is introduced | Res. 161 (CD, Washington 1947) | Rec. XVI (CSWI Toronto 1947) Met Office instructions on the use of the codes |