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METAR/TAF(Classic format)(METAR/TAF Results displayed directly below)
(enter CONUS apts starting with a K(eg. KMCC), enter Alaska/Hawaii apts starting with a P(eg. PANC))

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KELY 221653Z AUTO 01012KT 10SM CLR 07/M06 A3008 RMK AO2 SLP153 T00671061
KELY 221120Z 2212/2312 19011KT P6SM FEW250 FM221700 VRB06KT P6SM FEW250 FM221900 35011KT P6SM SCT250 FM230300 12011KT P6SM SKC FM230700 17013KT P6SM SCT250

KELY Flight Category(assigned automatically by the NOAA NWS ADDS system)

UTC/Zulu time

Backup METAR


Flight Category(assigned automatically by the NOAA NWS ADDS system)

UTC/Zulu time

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METAR Numeric Codes (usually listed after RMK)

1xxxxx___6-hr maximum temp(2nd digit=0 is positive, 1 is negative)(eg. 10405 = +40.5 degrees Celsius)

2xxxxx___6-hr minimum temp (eg. 21337 = -33.7 degrees Celsius)

4/xxx___Total snow depth in inches (eg. 4/020 = snow depth of 20 inches on ground)

4xxxxxxxx___24-hr maximum/minimum temperatures, 2nd and sixth digits equal 0 for positive and 1 for negative (eg. 401551095 = 24-hr maximum temp of +15.5 degrees Celsius and a 24-hr minimum temp of -9.5 degrees Celsius)

5xxxx___3 hour pressure tendency. The second digit gives the tendency/trend: 0–3 is rising, 4 is steady and 5–8 is falling , the last 3 digits give the pressure change in tenths of a millibar in the last 3 hours. (eg 50009 indicates a rising pressure tendency/trend of 0.9 millibars.)

6xxxx___3 or 6 hour precipitation amount. The last 4 digits are the inches of rain in hundredths. (eg. 60200 = 2 inches of rain)

7xxxx___24-hour precipitation amount. The last 4 digits are the inches of rain in hundredths. (eg. 70500 = 5 inches of rain)

8/xxx___Cloud cover using WMO code. Three digit code follows the /. Lower numbers are for clearer skies, high numbers are for overcast. (I have not seen this in the NorCal airport METARs yet).

98xxx___Duration of sunshine in minutes. The last three digits after 98 are minutes. (eg. 98120 = 120 minutes of sunshine)

931xxx___Snowfall in the last 6-hours. The last three digits display snowfall in inches and tenths. (eg. 931515 = 51.5 inches of snowfall)

933xxx___Liquid water equivalent of the snow (SWE). The last three digits display liquid water equivalent of snow in inches and tenths (eg. 933055 = 5.5 inches of liquid water in snow)

Other METAR codes
SLP155 = current barometric pressure extrapolated to sea level (SLP155 equals 1015.5 hPa)(Standard Pressure equals SLP133 or 1013.25(1013.3 hPa/millibars)

Pxxxx = liquid-equivalent precipitation accumulated during the last hour to hundredths of inches (P0050 = .5 inch of rain in the past hour)

Txxxxxxxx is the Hourly Temperature and Dew point. The first 4 digits are temperature. The second 4 digits are Dew Point. The first digit of each group is either 0 for above zero Celsius or 1 for below zero Celsius. (eq. T00251015 = Temp +2.5C, Dew Pt -1.5C)


TORNADIC ACTIVITY: Augmented; report should include TORNADO, FUNNEL CLOUD, or WATERSPOUT, time begin/end, location, movement; e.g., TORNADO B25 N MOV E.

TYPE OF AUTOMATED STATION: AO2; automated station with precipitation discriminator.

PEAK WIND: PK WND dddff(f)/(hh)mm; direction in tens of degrees, speed in whole knots, and time.
PK WND 20032/25

WSHFT 1715

TOWER OR SURFACE VISIBILITY: TWR VIS vvvvv: visibility reported by tower personnel, e.g., TWR VIS 2; SFC VIS vvvvv: visibility reported by ASOS, e.g., SFC VIS 2.

VARIABLE PREVAILING VISIBILITY: VIS vnvnvnvnvnVvxvxvxvxvx; reported if prevailing visibility is < 3 miles and variable.
VIS 3/4V1 1/2

VISIBILITY AT SECOND LOCATION: VIS vvvvv [LOC]; reported if different than the reported prevailing visibility in body of report.
VIS 3/4 RWY11

LIGHTNING: [FREQ] LTG [LOC]; when detected the frequency and location is reported, e.g., FRQ LTG NE(freq. lightning in the NE), LTG DSNT W (Lightning Distant in the West)(DSNT/distant is weather greater than 10 statute miles from an observation point)(a lightning strike observed/detected 25 statute miles west of the observation point (ASOS/AWOS/Apt Ctl Twr) would be coded as LTG DSNT W)(lightning strikes observed/detected in all quadrants 25 statute miles from the observation point (ASOS/AWOS/Apt Ctl Twr) would be coded as LTG DSNT ALQDS)

VIRGA: Augmented; precipitation not reaching the ground, e.g., VIRGA.

VARIABLE CEILING HEIGHT: CIG hnhnhnVhxhxhx; reported if ceiling in body of report is < 3000 feet and variable.
CIG 013V017

CEILING HEIGHT AT SECOND LOCATION: CIG hhh [LOC]; Ceiling height reported if secondary ceilometer site is different than the ceiling height in the body of the report.
CIG 017 RWY11

SENSOR STATUS INDICATORS: RVRNO: RVR missing; PWINO: precipitation identifier information not available; PNO: precipitation amount not available; FZRANO: freezing rain information not available; TSNO: thunderstorm information not available; VISNO [LOC]: visibility at secondary location not available, e.g., VISNO RWY06; CHINO [LOC]: (cloud-height-indicator) sky condition at secondary location not available, e.g., CHINO RWY06.

MAINTENANCE CHECK INDICATOR: Maintenance needed on the system.

If an element or phenomena does not occur, is missing, or cannot be observed, the corresponding group and space are omitted (body and/or remarks) from that particular report, except for Sea-Level Pressure (SLPppp). SLPNO shall be reported in a METAR when the SLP is not available.

U.S. DEPARTMENT OF COMMERCE - NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION - National Weather Service - Observing Systems Branch, 1325 East-West Highway, Silver Spring, Maryland 20910

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TAF decoder (NWS) ( Wind[22020G35KT] - Visibility[3SM,P6SM] - Weather[RA,FG,HZ,BR,TS] - Sky Condition[SKC,CLR,BKN030] - Optional Data (Wind Shear)[WS015/22055KT]--at 1500ft AGL from 220true at 55knots)
[ For aviation purposes, the ceiling is the lowest broken or overcast layer or vertical visibility into a complete obscuration. ]

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