|
主としてアメリカ方式における気象データの解読要領一覧です。
内容は国によって異なることがあり、また方式が適宜改訂されている場合があります。 |
|
●風・気温・気圧
●天気現象
●雲・シーリング(雲底高度)
●視程
●レーダーエコー
風向・風速
表 記 |
読みと意味 |
00000KT |
Wind Calm. |
26012KT |
Wind Two six zero at One two. |
29012KT 260V320 |
Wind Two niner zero at One two Wind Variable between Two six zero and Three two zero. |
30008KT |
Wind Three zero zero at Eight. |
36012G20KT |
Wind Three six zero at One two Gusts Two zero. |
VRB04KT |
Wind Variable at Four. |
PK WND 33048/22 |
Peak Wind Three three zero at Four eight Occurred at Two two past the hour. |
WSHFT 30 |
Wind Shifted at Three zero. |
気温/露点
表 記 |
読みと意味 |
02/M01 |
Temperature Two, Dew point Minus One. |
04/02 |
Temperature Four, Dew point Two. |
18/13 |
Temperature One eight, Dew point One three. |
凍結高度
表 記 |
読みと意味 |
RADAT 87045 |
Relative humidity 87 percent, only crossing of Zero degrees Celsius isotherm was Four thousand five hundred MSL. |
RADAT 87L024105 |
Relative humidity 87 percent at the Lowest crossing of Zero degrees Celsius. Two crossings occurred at Two thousand four hundred and One zero thousand five hundred MSL. |
RADAT MISG |
The Sounding terminated below the First crossing of the Zero degree Celsius isotherm. Temperatures were all Above Freezing. |
RADAT ZERO |
The entire Sounding was below Zero degrees Celsius. |
高度計規正
表 記 |
読みと意味 |
A2989 |
Altimeter Two niner eight niner. |
A3001 |
Altimeter Three zero zero one. |
A3025 |
Altimeter Three zero two five. |
気圧変化傾向
表 記 |
読みと意味 |
PRESFR |
Pressure Falling Rapidly. |
PRESRR |
Pressure Rising Rapidly. |
天気略号
付帯条件 |
天気現象 |
強度・周辺現象 |
特性 |
降水現象 |
視程障害現象 |
その他の現象 |
- |
Light |
MI |
Shallow |
DZ |
Drizzle |
BR |
Mist |
PO |
Well-developed Dust/Sand Whirls |
空白 |
Moderate |
BC |
Patchy |
RA |
Rain |
FG |
Fog |
SQ |
Squalls |
+ |
Heavy |
DR |
Low Drifting |
SN |
Snow |
FU |
Smoke |
FC
+FC |
Funnel Cloud, Tornado or Waterspout |
++ |
Very Heavy |
BL |
Blowing |
SG |
Snow Grains |
DU |
Dust |
SS |
Sandstorm |
X |
Intense |
SH |
Showers |
IC |
Ice Crystals |
SA |
Sand |
DS |
Duststorm |
XX |
Extreme |
TS |
Thunderstorm |
PE |
Ice Pellets |
HZ |
Haze |
|
|
VC |
In the Vicinity |
FZ |
Freezing |
GR |
Hail |
PY |
Spray |
|
|
U |
Unknown |
PR |
Partial |
GS |
Small Hail or Snow Pellets (<1/4") |
VA |
Volcanic Ash |
|
|
|
|
|
|
UP |
Unknown Precipitation ※1 |
|
|
|
|
※1 Automated stations only. |
天気現象
表 記 |
読みと意味 |
BLSN |
Blowing SNOW |
-FZRAPE |
Light Freezing Rain, Ice Pellets |
FZRA |
Freezing Rain |
FZDZ |
Freezing Drizzle |
MIFG |
Shallow Fog |
-SHRA |
Light Rain Showers |
SHRA |
Rain Showers |
SHSN |
Snow Showers |
TSRA |
Thunderstorm, Rain |
+TSRA |
Tunderstorm, Heavy Rain(Showers) ※1 |
+TSRAGR |
Thunderstorm, Heavy Rain, Hail |
VCSH |
Showers in the vicinity |
BCFG S |
Patchy Fog South. |
DUST DEVILS NW |
Dust Devils Northwest. |
FG DSIPTG |
Fog Dissipating. |
FU DRFTG OVR FLD |
Smoke Drifting Over Field. |
FUOCTY |
Smoke Over City. |
GR 2 |
Hailstones Two inches in Diameter. |
INTMT -RA |
Intermittent Light Rain. |
OCNL LTG DSNT NW |
Occasional Lightning Distant Northwest. |
OCNL SHRA |
Occasional Moderate Rain Showers. |
-RA OCNLY +RA |
Light Rain Occasionally Heavy. |
RAB30 |
Rain Began at Three zero. |
SNB15E40 |
Snow Began at One five, Ended at Four zero. |
SNINCR 5/10 |
Snow Increase Five inches during past hour, Ten inches on the Ground. |
TS OHD MOV E |
Thunderstorm Overhead, Moving East. |
TS W MOV E FRQ LTGCG |
Thunderstorm West Moving East, Frequent Lightning Cloud to Ground. |
UNCONFIRMED TORNADO 15W OKC MOV NE 2015 |
Unconfirmed Tornado One five West of Oklahoma City, moving Northeast Sighted at Two zero One five Zulu. |
WET SN |
Wet Snow. |
雲
表 記 |
読みと意味 |
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 LTG VC |
Frequent Lightning in the vicinity. |
LWR CLDS NE |
Lower clouds Northeast. |
OCNL LTGICCG NW |
Occasional Lightning in cloud and Cloud to Ground Northwest. |
RDGS OBSCD W-N |
Ridges Obscured West through North. |
雲 高
表 記 |
読みと意味 |
000 ※1
|
Zero |
003 |
Three hundred |
018 |
One thousand eight hundred |
200 |
Two zero thousand |
※1 Spoken as Zero only when used with VV. |
雲量・シーリング
表 記 |
読みと意味 |
SKC |
CLEAR |
SCT |
(height) SCATTERED |
BKN |
(height) BROKEN |
OVC |
(height) OVERCAST |
CLR ※1 |
CLEAR below One two thousand |
FEW |
FEW Clouds at (height) |
BKN000(+Remarks)※2
|
Sky Partially Obscured |
BKN000(+No Remark)※3 |
Ceiling less than Five zero BROKEN |
SCT000(+Remarks)※2 |
Sky Partially Obscured |
SCT000(+No Remark)※3 |
Less than Five zero SCATTERED |
FEW000 (+Remarks)※2 |
Sky Partially Obscured |
FEW000(+No Remark)※3 |
FEW Clouds at less than Five zero |
(lowest layer aloft) BKN/OVC |
(precede with) Ceiling |
VV |
Indefinite Ceiling |
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. |
※1 Automated weather reports.
※2 Surface-based obscurations. Requires remarks, i.e. RMK FG SCT000, FU BKN000, etc.
※3 No remark means the layer is aloft. |
視 程
表 記 |
読みと意味 |
0SM |
Visibility Zero. |
1/16SM |
Visibility One sixteenth. |
1/8SM |
Visibility One eighth. |
M1/4SM |
Visibility less than One quarter. |
3/4SM |
Visibility
Three quarters. |
1 1/2SM |
Visibility One and one-half. |
8SM |
Visibility Eight. |
25SM |
Visibility Two five. |
地上視程
表 記 |
読みと意味 |
SFC VIS 1/2 |
Surface Visibility One-half. |
SFC VIS 15 TWRINC |
Surface Visibility One five, Tower in clouds. |
TWR VIS 3/4 |
Tower Visibility Three-quarters. |
VIS S 1 W 1/4 |
Visibility South One, West One-quarter. |
VIS 1V3 |
Visibility Variable between One and Three. |
滑走路視距離
表 記 |
読みと意味 |
R16/M0600FT |
Runway
One Six Runway Visual Range less than Six hundred. Or Runway One Six R-V-R less than Six hundred. |
R36L/M0600V2500FT |
Runway Three Six Left, R-V-R variable between less than Six hundred and Two thousand five hundred. Or Runway Three Six Left Visual Range variable between less than Six hundred and Two thousand five hundred. |
R36/P6000FT |
Runway Three six R-V-R more than Six thousand. Or Runway Three six Visual Range more than Six thousand. |
R36VV11/2 |
Runway Three six, R-V-V One and one-half. |
R05LVV1V2 |
Runway Five Left, R-V-V Variable between One and Two. |
R18/2000V3000FT |
Runway One eight, R-V-R Variable between Two thousand and Three thousand. Or Runway One eight Visual Range Variable between Two thousand and Three thousand. |
R26R/2400FT |
Runway Two six Right Visual Range Two thousand four hundred. |
視程障害現象
表 記 |
読みと意味 |
BLSN SCT000 |
Blowing Snow Obscuring Three to Four-eights of the sky. |
DU BKN000 |
Dust Obscuring Five to Seven-eights of the sky. |
FG FU FEW000 |
Fog and Smoke Obscuring One to Two-eights of the sky. |
FU SCT020 |
Smoke Layer Two thousand SCATTERED. |
SN BKN000 |
Snow Obscuring Five to Seven-eights of the sky. |
レーダーエコーの位置
表 記 |
読みと意味 |
86/40 160/60 262/115 |
From Four zero East to Six zero Southeast to One one five West of (RADAR site location). |
注) 86を90度すなわち東と解釈し、160を同じく180度として南東、262を270度として西と解釈する。
レーダーエコーの帯域
表 記 |
読みと意味 |
AREA |
Area |
CELL |
Single cell |
FINE LN |
Fine line |
LN |
Line |
LYR |
Layer |
SPRL BAND AREA |
Spiral band area |
レーダーエコーのトレンド
表 記 |
読みと意味 |
- |
Decreasing |
+ |
Increasing |
NC |
No Change |
NEW |
New Echo |
Note: No intensity or trend is assigned for nonliquid precipitation. |
レーダーエコーの移動方向・速度
表 記 |
読みと意味 |
C3640 |
Cells Moving South at Four zero. |
L2325 |
Line Moving Northeast at Two five. |
注) C36は360度方向からの風によって雷雲セルが南方向へ動いているということ。
レーダーエコーのトップ
表 記 |
読みと意味 |
MT350 AT 270/20 |
Max Top Three five thousand, Two zero miles West of (RADAR site location). |
レーダーエコーの天気現象
表 記 |
読みと意味 |
A |
Hail |
IP |
Ice Pellets |
L |
Drizzle |
R |
Rain |
RW |
Rain Showers |
S |
Snow |
SW |
Snow Showers |
T |
Thunderstorm |
ZL |
Freezing Drizzle |
ZR |
Freezing Rain |
Note: Symbols used in RAREP's have not been changed to METAR symbology. |
|