ICOADS Web information page (Wednesday, 29-Feb-2012 21:32:13 UTC):
International Maritime Meteorological Tape (IMMT-3) Format (deck 926) (by ESRL)
translation program
Table 1. Field-by-field mapping between the International Maritime Meteorological Tape
(IMMT-3)
format (left columns) and the International Maritime Meteorological Archive
(IMMA-0)
format (right columns). Mappings of fields configurations between IMMT and IMMA are direct (no transformation) except as listed below this table (note: preliminary information, under development).
IMMT-3 | IMMA-0
|
---|
![](images/immt3_fig0.gif) |
| ![](images/immt3_fig1.gif) |
| ![](images/immt3_fig2.gif) |
| ![](images/immt3_fig3.gif) |
| ![](images/immt3_fig4.gif) |
| ![](images/immt3_fig5.gif) |
| ![](images/immt3_fig6.gif) | ![lat](/images/imma_lat.gif)
| ![](images/immt3_fig7.gif) |
| ![](images/immt3_fig8.gif) |
| ![](images/immt3_fig9.gif) | ![hi](/images/imma_hi.gif)
| ![](images/immt3_fig10.gif) |
| ![](images/immt3_fig11.gif) |
| ![](images/immt3_fig12.gif) |
| ![](images/immt3_fig13.gif) |
| ![](images/immt3_fig14.gif) |
| ![](images/immt3_fig15.gif) |
| ![](images/immt3_fig16.gif) |
| ![](images/immt3_fig17.gif) |
| ![](images/immt3_fig18.gif) | ![dpti](/images/imma_dpti.gif)
| ![](images/immt3_fig19.gif) |
| ![](images/immt3_fig20.gif) |
| ![](images/immt3_fig21.gif) |
| ![](images/immt3_fig22.gif) |
| ![](images/immt3_fig23.gif) |
| ![](images/immt3_fig24.gif) |
| ![](images/immt3_fig25.gif) |
| ![](images/immt3_fig26.gif) |
| ![](images/immt3_fig27.gif) |
| ![](images/immt3_fig28.gif) |
| ![](images/immt3_fig29.gif) |
| ![](images/immt3_fig30.gif) |
| ![](images/immt3_fig31.gif) |
| ![](images/immt3_fig32.gif) |
| ![](images/immt3_fig33.gif) |
| ![](images/immt3_fig34.gif) |
| ![](images/immt3_fig35.gif) |
| ![](images/immt3_fig36.gif) |
| ![](images/immt3_fig37.gif) |
| ![](images/immt3_fig38.gif) |
| ![](images/immt3_fig39.gif) |
| ![](images/immt3_fig40.gif) |
| ![](images/immt3_fig41.gif) |
| ![](images/immt3_fig42.gif) |
| ![](images/immt3_fig43.gif) |
| ![](images/immt3_fig44.gif) | (field not presently mapped)
| ![](images/immt3_fig45.gif) |
| ![](images/immt3_fig46.gif) |
| ![](images/immt3_fig47.gif) |
| ![](images/immt3_fig48.gif) |
| ![](images/immt3_fig49.gif) |
| ![](images/immt3_fig50.gif) | ![wbti](/images/imma_wbti.gif)
| ![](images/immt3_fig51.gif) |
| ![](images/immt3_fig52.gif) |
| ![](images/immt3_fig53.gif) |
| ![](images/immt3_fig54.gif) |
| ![](images/immt3_fig55.gif) |
| ![](images/immt3_fig56.gif) |
| ![](images/immt3_fig57.gif) |
| ![](images/immt3_fig58.gif) |
| ![](images/immt3_fig59.gif) |
| ![](images/immt3_fig60.gif) |
| ![](images/immt3_fig61.gif) |
| ![](images/immt3_fig62.gif) |
| ![](images/immt3_fig63.gif) |
| ![](images/immt3_fig64.gif) |
| ![](images/immt3_fig65.gif) | (field not presently mapped)
| ![](images/immt3_fig66.gif) |
| ![](images/immt3_fig67.gif) |
| ![](images/immt3_fig68.gif) |
| ![](images/immt3_fig69.gif) |
| ![](images/immt3_fig70.gif) |
| ![](images/immt3_fig71.gif) |
| ![](images/immt3_fig72.gif) |
| ![](images/immt3_fig73.gif) |
| ![](images/immt3_fig74.gif) |
| ![](images/immt3_fig75.gif) |
| ![](images/immt3_fig76.gif) |
| ![](images/immt3_fig77.gif) |
| ![](images/immt3_fig78.gif) |
| ![](images/immt3_fig79.gif) |
| ![](images/immt3_fig80.gif) |
| ![](images/immt3_fig81.gif) |
| ![](images/immt3_fig82.gif) |
| ![](images/immt3_fig83.gif) |
| ![](images/immt3_fig84.gif) |
| ![](images/immt3_fig85.gif) |
| ![](images/immt3_fig86.gif) |
| ![](images/immt3_fig87.gif) |
| ![](images/immt3_fig88.gif) |
| ![](images/immt3_fig89.gif) |
| ![](images/immt3_fig90.gif) |
| ![](images/immt3_fig91.gif) |
| ![](images/immt3_fig92.gif) |
| ![](images/immt3_fig93.gif) |
| ![](images/immt3_fig94.gif) | (field not presently mapped)
| ![](images/immt3_fig95.gif) | (field not presently mapped)
| ![](images/immt3_fig96.gif) | (field not presently mapped)
| ![](images/immt3_fig97.gif) | (field not presently mapped)
| ![](images/immt3_fig98.gif) | (field not presently mapped)
| ![](images/immt3_fig99.gif) | (field not presently mapped)
| ![](images/immt3_fig100.gif) | (field not presently mapped)
| ![](images/immt3_fig101.gif) | (field not presently mapped)
|
Following is a list of exceptions, organized by IMMA field name, to a direct mapping (IMMT=IMMA) of individual input IMMT field configurations (on the left) to IMMA output configurations (on the right).
Some outstanding questions in the transformation method are highlighted.
- IT
- "3"="0"
- "4"="1"
- "5"="2"
- LAT
- quadrant 3=negative LAT
- quadrant 5=negative LAT
- LON
- quadrant 5=negative LON[+360.0]
- quadrant 7=negative LON[+360.0]
- HI
- "0"="0"
- "1"="1"
- "2"="1"
- "3"="0"
- VI
- "0"="0"
- "1"="0"
- "2"="1"
- "3"="1"
- H
- "/"="A"
- N
- "/" and blank (assumed missing)=missing
- D
- "00"="361"
- "99"="362"
- tens=tens*10
- WI
- "0"="0"
- "1"="1"
- "3"="3"; related field action: knots=knots*0.51444444444444444444 for both W and RWS
- "4"="4"; related field action: knots=knots*0.51444444444444444444 for both W and RWS
- AT
- sign 1=negative AT
- DPTI
- "0"="0"
- "1"="0"; related field action: negative DPT
- "2"="2"; related field action: negative DPT
- "5"="1"
- "6"="1"; related field action: negative DPT
- "7"="3"; related field action: negative DPT
- SLP
- hundreds<500.0=hundreds+1000.0
- NH
- "/" and blank (assumed missing)=missing
- CL CM CH
- "/"="A"
- SST
- sign 1=negative SST
- SD
- "99"="38"
- WBTI
- "0"="0"
- "1"="0"; related field action: negative WBT
- "2"="2"; related field action: negative WBT
- "5"="1"
- "6"="1"; related field action: negative WBT
- "7"="3"; related field action: negative WBT
- SD2
- "99"="38"
- IC1 IC2 IC3 IC4 IC5
- "/"="A"
- SLHH
- sign 1=negative SLHH
- RWD
- "000"="361"
- "999"="362"
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Updated: Feb 29, 2012 21:32:13 UTC
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