Disclaimer
The San Carlos Airport Association (SCAPA) assumes no responsibility for the accuracy, completeness or appropriateness of the information provided above and shall not be liable for its content, or for any errors or interruptions in the transmission of data. SCAPA shall be under no obligation to correct any inaccuracies in this information and shall not be required to revise, amend or supplement same. This data is not, and is not intended to serve as a substitute for or in fulfillment of pilots' responsibilities under pertinent Federal Aviation Regulations to obtain current and appropriate weather and pre-flight briefings and airport information from FAA-approved sources.
San Carlos Airport
(Alternate view: Approach end of RWY 30)
Half Moon Bay Airport
Approach end of RWY 30
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Current San Carlos Airport METAR
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KSQL 102154Z 01010KT 30SM FEW040 13/01 A3014
Sunrise and sunset times for 10-Mar-2010 Local (UTC-8) Zulu (UTC) Morning civil twilight 06:02 14:02 Sunrise 06:28 14:28 Sunset 18:10 02:10 Evening civil twilight 18:36 02:36
* * * * * * * *Local Time UTC The San Carlos Airport Association (SCAPA) assumes no responsibility for the accuracy or appropriateness of the reports shown above, and shall not be liable for the content or for any errors or interruptions in the transmission of data. These report are not, and are not intended to serve as, substitutes for, or in fulfillment of pilots' responsibilities under pertinent Federal Aviation Regulations to obtain current and appropriate weather and pre-flight briefings and airport information from FAA-approved sources.
Decoding a METAR Report
Special Prefixes for a METAR Report:
SPECI for Special Report
AUTO for automated observation
COR for correction to observationNote: When METAR data is missing from the body of the report (e.g. dew point), it is simply omitted and the user must know the sequence to recognize this. Some exceptions apply in remarks such as RVRNO, or SLPNO when RVR or SLP are normally reported but not currently available.
To help remember the sequence, think of 3W's at the beginning-
Where, When, and Wind. This works for METAR as well as TAF!
METAR KPIT 201955Z 22015G25KT
Where
KPIT is the ICAO station identifier. The usual 3 letter identifiers we are all familiar with are now preceded by a "K" for the contiguous United States. Alaska and Hawaii will use 4 letter identifiers beginning with "PA" and "PH" respectively. Changes are planned to incorporate alphabetic identifiers for those weather reporting stations where numbers and letters are now used (e.g., W10 to KHEF).
When
201955Z is the 20th day of the month.
201955Z at 1955Z time
Wind
220 15G25KT is reported as the 3 digit true direction to the nearest 10 degrees.
(Note: ATC towers, ATIS and airport advisory service report wind as magnetic.)
22015G25KT next is the 2 or 3 digit speed.
22015G25KT a "G" comes next if the wind is gusting.
22015G25KT followed by the 2 or 3 digit maximum speed and units (KT).
00000KT for calm winds.
22015KT 180V260 When wind direction varies 60 degrees or more and wind is greater than 6 knots.
VRB Used when wind direction is variable and speed is less than or equal to 6 knots.
RMK Peak wind is one element reported in the remarks section whenever the maximum instantaneous speed is greater than 25 knots. 22030/15 means a maximum instantaneous wind of 30 knots occurred 15 minutes past the hour from 220 degrees. PK WND 22030/15
Visibility
3/4SM meaning 3/4 statute mile visibility. Miles and fractions are also reported (e.g., 2 3/4SM for 2 and 3/4 statute miles visibility).
R28R/2600FT Means Runway Visual Range (RVR). Signifies that the runway visual range for runway 28 Right is 2600 feet. The format is R(XXX) Runway Designator including (L)eft (C)enter or (R)ight /(XXXX) 4 digit visibility in feet.
Some coding pilots may also see for RVR include:
M Indicates that RVR is less than lowest reportable sensor value (e.g. M0600FT)
P Indicates RVR greater than highest reportable sensor value (e.g. P6000FT).
V Variable If the RVR is variable between 2000 and 4000 feet for runway 6L: (R06L/2000V4000FT). May contain up to four RVR reports.
Significant Present Weather
TSRA: Thunderstorm/Moderate Rain Format is a two character descriptor (e.g. TS, SH, DR) sometimes followed by a two character weather phenomenon (e.g. RA, SN, FG). (See Abbreviations section)
Intensity or proximity of weather phenomenon:
"-" Light
"+" Heavy
"no sign" Moderate
"C" In the vicinity
Clouds
OVC010CB: Specifies cloud amount, height, and type. Overcast clouds are present at 1000 feet consisting of cumulonimbus clouds.
Cloud height is reported in hundreds of feet. When clouds are composed of towering cumulus or cumulonimbus TCU or CB will follow cloud height.
The clouds are categorized based on eighths (octas) of the sky:
SKC Sky Clear
FEW 1-2 octas
SCT 3-4 octas
BKN 5-7 octas
OVC 8 octas
VV may be listed here for indefinite ceiling such as "VV004" for Vertical Visibility 400 feet.
18/16 Temperature/Dew Point listed in degrees Celsius. When temperatures are below zero degrees Celsius, they are preceded by "M" for Minus (e.g., 10/M06 for temperature 10 degrees C, dew point Minus 6 degrees C).
A2992 Altimeter Setting "A" indicates setting in inches of mercury for United States. Consists of 4 digits: inches and hundredths.
RMK SLP013 T01760158
RMK SLP013 T01760158. Remarks come last.
RMK SLP013 T01760158. Selected stations will contain SLP for Sea Level Pressure reported as the last three digits in hectoPascals (milibars) to the nearest tenth (e.g., 1001.3 is reported as SLP013).
RMK SLP013 T01760158. Also, at selected stations, the 9 character code (T01760158) breaks down the temperature and dew point to the nearest 1/10th of a degree Celsius. The "T" stands for temperature and the "0" means positive temperature. A "1" in place of the "0" stands for negative temperature. At selected stations, other temperature codes, such as10142, 20012, or 401120084, may appear to document temperatures not related to aviation.
