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2. When communicating weather information on the
TIBS broadcast or telephone, specialist may announce
cloud heights in either group form or in hundreds or
thousands of feet, such as seventeen thousand or one
seven thousand.
3. Announce sky conditions as indicated below.
(See TBL 14-1-12.)
TBL 14-1-12
Sky Conditions
Contraction Phraseology
BKN (height) BROKEN
CLR1 CLEAR BELOW ONE TWO
THOUSAND
FEW FEW CLOUDS AT (height)
OVC (height) OVERCAST
SCT (height) SCATTERED
SKC CLEAR
1 Automated weather reports.
4. The following are examples of broadcast
phraseology of sky and ceiling conditions:
(See TBL 14-1-13.)
TBL 14-1-13
Sky and Ceiling Conditions
Condition Phraseology
BKN000
BKN010
BKN050 RMK
FG BKN000
SKY PARTIALLY OBSCURED,
CEILING ONE THOUSAND
BROKEN, FIVE THOUSAND
BROKEN. FOG OBSCURING
FIVE TO SEVEN EIGHTS OF THE
SKY.
BKN010 CEILING ONE THOUSAND
BROKEN.
SCT000
SCT020
OVC035 RMK
FG SCT000
SKY PARTIALLY OBSCURED,
TWO THOUSAND SCATTERED,
CEILING THREE THOUSAND
FIVE HUNDRED OVERCAST.
FOG OBSCURING THREE TO
FOUR EIGHTS OF THE SKY.
SCT020
OVC250
TWO THOUSAND SCATTERED,
CEILING TWO FIVE THOUSAND
OVERCAST.
VV000 INDEFINITE CEILING ZERO.
VV012 INDEFINITE CEILING ONE
THOUSAND TWO HUNDRED.
j. Announce surface temperature and dew point by
stating the words TEMPERATURE or DEWPOINT,
as appropriate, followed by the temperature in
degrees Celsius. Temperatures below zero are
announced by prefixing the word MINUS before the
values. (See TBL 14-1-14.)
JO 7110.10T 2/14/08
14-1-6 General
TBL 14-1-14
Temperature/Dewpoint
Reading Phraseology
02/M01 ``Temperature two, dew point minus
one.''
04/02 ``Temperature four, dew point two.''
18/13 ``Temperature one eight, dew point one
three.''
k. Altimeter Setting.
1. State the word ALTIMETER followed by the
four digits of the altimeter setting. (See
TBL14-1-15.)
TBL 14-1-15
Altimeter Setting
Altimeter Setting Phraseology
A2989 ``Altimeter two niner eight niner.''
A3001 ``Altimeter three zero zero one.''
A3025 ``Altimeter three zero two five.''
2. Identify the source of all altimeter settings
when issued, if not given as part of an identified
surface observation. Provide the time of the report if
more than one hour old.
PHRASEOLOGY-
(airport name) (time of report if more than one hour old)
ALTIMETER (setting).
3. If a request for the altimeter setting in
MILLIBARS is received, announce the separate
digits of the millibar equivalent value, using the
millibar conversion chart, followed by the word
MILLIBARS. If the millibar setting is not a whole
number, always round down. (See TBL 14-1-16.)
REFERENCEFAAO
JO 7110.10, subpara 4-3-5f.
TBL 14-1-16
Millibar Conversion
Millibar Conversion
Phraseology
956.3 ``Altimeter niner five six
millibars.''
1002.0 ``Altimeter one zero zero two
millibars.''
1058.9 ``Altimeter one zero five eight
millibars.''
4. When altimeter is in excess of 31.00:
(a) Advise all aircraft.
PHRASEOLOGY-
``ALTIMETER IN EXCESS OF THREE ONE ZERO
ZERO. HIGH PRESSURE ALTIMETER PROCEDURES
ARE IN EFFECT.''
(b) Advise VFR aircraft to set altimeter to
31.00 en route.
PHRASEOLOGY-
``RECOMMEND YOU SET ALTIMETER THREE ONE
ZERO ZERO EN ROUTE.''
14-1-9. WEATHER REMARKS
Announce pertinent remarks from surface weather
observations in accordance with FAAO JO 7340.2,
Contractions, and as shown in the following tables.
Do not state additive data or other information
intended for NWS analysis or processing that does
not contribute to the description of the conditions
occurring at the station.
a. SKY AND CEILING. (See TBL 14-1-17.)
TBL 14-1-17
Sky and Ceiling
Contraction Phraseology
CIG 005V010 ``Ceiling variable
between five hundred and
one thousand.''
CIG 020 RY11 ``Ceiling two thousand at
runway one one.''
CB N MOV E ``Cumulonimbus north
moving east.''
CBMAM DSNT S ``Cumulonimbus
mammatus distant south.''
CLDS TPG MT SW ``Clouds topping
mountain southwest.''
CONTRAILS N FL420 ``Condensation trails
north at flight level four
two zero.''
FRQ LTCIC VC ``Frequent lightning in
cloud in the vicinity.''
LWR CLDS NE ``Lower clouds
northeast.''
OCNL LTGICCG NW ``Occasional lightning in
cloud and cloud to ground
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