How to interpret professional meteorological information

METAR is a routine weather report, which is published every 1 hour or half an hour/time.

SPECI is a special weather report. When the weather conditions at the airport obviously deteriorate or improve, the airport meteorological office will issue special weather reports in addition to regular weather reports.

Finally, the prediction part.

BECMG means gradual change.

Interdigital center of rhythm

NOSIG said there was no significant change.

The middle part is the specific weather:

"-"= slight

+= large

SH = shower

TS = thunderstorm

drizzle

RA = rain

BR = light fog

FG = fog

HZ = haze

+SHRA = heavy rain

wait for .............

Cloud condition: divide the sky into 8 parts, indicating the proportion of clouds covering the sky.

SKC = 0/8 (clear sky)

Minority = 1/8-2/8 (minority cloud)

SCT = 3/8-4/8 (dispersed)

BKN = 5/8-7/8 (crushing)

OVC = 8/8 (Yin)

-

Example:

Metal vhhh 251600z24015g 25kt200v 2800600r07l/1000u fgdzsct010ovc02017/16 q.

Metavhhh: Metar is issued by Hong Kong International Airport.

25 1600Z: The date is 25th of this month and the time is 1600 UTC (Universal Time).

240 15G25KT: the sea surface wind is 240 degrees 15 knots, and the gust is 25 knots.

200V280: The wind direction varies from 200 degrees to 280 degrees.

0600 R07L/ 1000U: visibility is 600 meters; 07 The visual range of the left runway landing area 1000m has increased in the past 10 minutes.

Fog and rain in Mao Mao.

Sct 010 ovc020:1000 has scattered clouds; There were dark clouds in 2000.

17/16q1018: temperature17 degrees Celsius; Dew point 16 degrees Celsius; QNH 10 18 hPa

BECMG TL 1700 0800 FG: the trend in the next 2 hours; There is fog, and the visibility changes gradually, reaching 800 meters at Coordinated Universal Time 1700.

At 1800 9999 BECMG:UTC 1800 in New South Wales, the visibility began to change gradually, and the result turned to more than 10 km, with no important weather conditions.