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measurement and directional variations in visibility are not measured.
At certain aerodromes, RVR observations are carried out at a lateral distance of more than 120 m
from the runway centre line.
The light intensity used to calculate RVR is the maximum intensity available on the runway in
question.
At most sites, 75 m is the minimum RVR value that can be measured in France. At most sites,
1 500 m is the maximum RVR value that can currently be measured in France.
Remark: 50 m could be considered the lower limit in the course of 2006, and 2 000 m could be
considered the upper limit in the course of 2006.
The proximity of present weather phenomena is not included in reports from fully automatic
observing systems.
?he following weather phenomena are not reported in reports from fully automatic observing
systems: SG, PL, IC, GR, GS, DS, SS, PO, FC, SA, DU, HZ, FU, VA, SQ.
Remark: The meteorological optical range (MOR) is the coding criterion used for the FG and BR
abbreviations.
MI, BC, PR, DR, BL are not included in reports from fully automatic observing systems.
VC is not included in reports from fully automatic observing systems.
At certain sites, in local reports, the height of cloud base is reported in steps of 30 ft below 300 ft.
Vertical visibility is not measured.
The "NSC" abbreviation signifies the absence of significant clouds detected by the ceilometer(s) in
reports from fully automatic observing systems.
4.8* No supplementary information is reported in reports from fully automatic observing systems.
4.8.1.3* Wind shear warnings are not issued unless appropriate sensors are available.
* Recommended Practice
SUPPLEMENTT O ANNEX3 (FIFTEENTEHD ITION) FRANCE 3
4.9.1.3* The "UPn abbreviation will be considered during the course of 2005. The "CAVOKw abbreviation
is not used in reports from fully automatic observing systems. The following weather phenomena
are not reported in the METAR AUTO reports from unmanned meteorological stations: SG, PL,
IC, GR, GS, DS, SS, PO, FC, SA, DU, HZ, FU, VA, SQ.
Remark: The meteorological optical range (MOR) is the coding criterion used for the FG and BR
abbreviations.
4.9.1.4* Vertical visibility is not measured.
4.9.1.5* No supplementary information is reported in reports from fully automatic observing systems.
APPENDIX 5
2.2 Trend forecasts are not appended to reports from automatic observing systems.
APPENDIX 6
5.1.1 Aerodrome warnings are not issued in accordance with the specified template.
* Recommended Practice
General Germany is making efforts to comply with Annex 3, Amendment 73. Due to the requirement to
make software changes and corrections in observation procedures, compliance with certain
provisions will not take place before 4 July 2005.
CHAPTER 3
3.4 In Germany, selected advisory centres for aviation (ACA) fulfil the function of MWO.
CHAPTER 6
6.2.3 Note Until 4 July 2005, TAF includes the visibility corresponding to the definition of "visibility" as
defined in Chapter 1, instead of forecast prevailing visibility.
APPENDIX 3
2.3.2* f) In Germany, values of 75 or 125, 200, 300 and 550 m instead of 150, 350 and 600 m are applied
for runway visual range.
4.1.4.2 By 4 July 2005, the criteria for wind variations and VRB according to Amendment 73 will be
updated.
4.2.4.4* In METAR, "visibility" is as defined in Chapter 1. "Prevailing visibility" will be introduced by
4 July 2005.
4.4.2.4* Reporting of thunderstorms in METAR when lightning or sheet lightning is detected/observed will
be introduced by 4 July 2005.
Remark: Sheet lightning: In cases when a lightning flash illuminates clouds but is not visible.
* Recommended Practice
SUPPLEMENTTO ANNEX3 (FIJTEENTHE D ~ O N ) JAPAN 1
CHAPTER 3
3.4.2 g) Information on the accidental release of radioactive materials into the atmosphere is not supplied
to ACCJFIC and aeronautical information service units.
CHAPTER 4
4.6.1.1 In local routine and special reports, the mean direction of surface wind is reported in the magnetic
azimuth.
Runway visual range is reported throughout periods when either the visibility or the runway visual
range is 1 600 m or less.
APPENDIX 3
2.1.1 Local routine and special reports are issued in a format similar to that of METAR and SPECI.
2.3.1 c) Special observations and reports due to an increase in air temperatwe of 2°C are made only when
the air temperature given at that time is 32" or more.
2.3.2* e) SPEC1 is issued when the visibility is improving and changes to or passes through one or more of
the following values, or when the visibility is deteriorating and passes through one or more of the
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