Page Table of Contents

Airport Information and Weather

Altitude  Inches-Millibars-Feet Table

Convective Sigmets

Current US Weather

Density Altitude

Dew Point

High-Resolution Rapid Refresh

Icing Levels

Links to Related Websites

NOAA Advisory Chart

Radar

Relative Humidity

Sky Cover

Surface Winds

Temperature

Turbulence

Winds at 3,000 6,000 9,000

Click on a chart to see the full website.

Links to Related Websites

National Weather Service weather charts NOAA Links:     Aviation Weather     Ceilings and Visibility     Icing     Storm Prediction Center         (see Categorical Outlook at left for expected activity)     METARs and TAFs     General Information: GOES Atmospheric Soundings Display         Click here for a good description of Skew-T-graphic plotting. METARs, TAFs, and MOSs will tell you the cloud bases. But where are the cloud tops?  Knowing both would tell you how bumpy the clouds are, and what level of turbulence to expect. Skew-T Log-P diagrams will tell you that. For more information, visit our webpage on Skew-T Log-P Charts. From NASA:  New technology for detecting turbulence

Canadian Weather Links:     Canadian Aviation Weather     Canadian Surface Analysis Charts Four Major Weather Forecasting Models     European Center for Medium-Range Weather Forecasts (ECMWF)     NOAA Global Forecast System (GFS)     NOAA High Resolution Rapid Refresh (HRRR)     NOAA North American Mesoscale (NAM) FAA Links:     1-800-WxBrief — Weather Briefing     AC 00-6B - Aviation Weather     Aircraft Registry     ASOS, AWOS Ground Weather Observation Stations     Flight Plan Filing, other pilot info     FNS NOTAM Search     FSDO - Columbia, SC     General Aviation & Recreational Aircraft     Online Resources for Pilots     Pilot's Guide To Preflight Weather Planning     Runway Safety Videos     Special Use Airspace (SUA) Alerts     TFRs

Inches Hg   to   Millibars   to   Altitude   conversion   (standard pressure)

29.92"

=

1013 mb

=

0000'

23.98"

=

0812 mb

=

6000'

14.76"

=

0500 mb

=

FL 180

28.85"

=

0977 mb

=

1000'

23.09"

=

0782 mb

=

7000'

11.81"

=

0400 mb

=

FL 240

27.82"

=

0942 mb

=

2000'

22.24"

=

0753 mb

=

8000'

8.86"

=

0300 mb

=

FL 300

26.81"

=

0908 mb

=

3000'

21.38"

=

0724 mb

=

9000'

6.64"

=

0225 mb

=

FL 360

25.84"

=

0875 mb

=

4000'

20.58"

=

0697 mb

=

10,000'

5.17"

=

0175 mb

=

FL 420

24.89"

=

0843 mb

=

5000'

19.19"

=

0650 mb

=

12,000'

3.69"

=

0125 mb

=

FL 480

Airport Information and Weather

Links provided to AirNav.com, FlightAware, and the NOAA Aviation Weather Center.   See also the Visibility and Airport Conditions national chart
For weather information for an airport not listed, see FlightAware.com. For information on an airport not listed, see AirNav.com/airport.		See also weather information from the National Weather Service. If there is an airport you would like to see listed, email your request.
Alabama	Connecticut	Florida
HSV Huntsville METAR TAF	DXR Danbury METAR TAF	ISM Kissimmee METAR TAF
Georgia
PDK Atlanta METAR TAF	PDK Safety Information, Video	TOC Toccoa METAR TAF
Illinois			Indiana
IKK Kankankee METAR TAF	PIA Peoria METAR TAF	UIN Quincy METAR TAF	HUF Terre Haute METAR TAF
Iowa	Maine	Mississippi	New York
DEH Decorah METAR TAF	PWM Portland METAR TAF	MEI Meridian METAR TAF	ALB Albany METAR TAF
North Carolina
GSO Greensboro METAR TAF	HKY Hickory METAR TAF	RDU Raleigh-Durham METAR TAF	RUQ Salisbury METAR TAF
Pennsylvania
CXY Harrisburg METAR TAF	RDG Reading METAR TAF	AVP Wilkes-Barre METAR TAF	UNV University Park METAR TAF
Quebec, Canadaa
CYHU Montreal METAR TAF
South Carolina
AIK Aiken METAR TAF AQX Allendale METAR TAF AND Anderson METAR TAF BNL Barnwell METAR TAF ARW Beaufort METAR TAF BBP Bennettsville METAR TAF 52J Bishopvilleville METAR TAF SC55 Broxton Bridge METAR TAF CDN Camden METAR TAF CHS Charleston METAR TAF CQW Cheraw METAR TAF	DCM Chester METAR TAF CAE Columbia Metro METAR TAF CUB Columbia Owens METAR TAF HYW Conway METAR TAF UDG Darlington METAR TAF FLO Florence METAR TAF GGE Georgetown METAR TAF GYH Greenville Donaldson METAR TAF GMU Greenville Municipal METAR TAF         GMU Safety Information, Video GRD Greenwood METAR TAF GSP Greer METAR TAF	HVS Harstville METAR TAF HXD Hilton Head METAR TAF 5J5 Holly Hill METAR TAF LUX Laurens METAR TAF MKS Moncks Corner METAR TAF LRO Mt. Pleasant METAR TAF MYR Myrtle Beach METAR TAF EOE Newberry METAR TAF CRE North Myrtle Beach METAR TAF CEU Oconee METAR TAF OGB Orangeburg METAR TAF	SC41 Palmetto Air METAR TAF 6J0 Pelion METAR TAF LQK Pickens METAR TAF 3J1 Ridgeland METAR TAF UZA Rock Hill METAR TAF SPA Spartanburg METAR TAF SMS Sumter METAR TAF SC00 Triple Tree METAR TAF RBW Walterboro METAR TAF SC99 White Plains METAR TAF FDW Winnsboro METAR TAF
South Dakota	Texas	Tennessee
RAP Rapid City METAR TAF	SAT San Antonio METAR TAF	BNA Nashville METAR TAF	GKT Sevierville METAR TAF
Virginia
ROA Roanoke METAR TAF	SHD Shenandoah METAR TAF	JGG Williamsburg METAR TAF

NOAA Current US Weather

High-Resolution Rapid Refresh (HRRR)

Convective Sigmets

Turbulence

Levels of Turbulence

Light – Small, correctable deviations from position and altitude.  Aircraft control is maintained.

Moderate – Significant deviations from position and altitude.  Momentary losses of control of aircraft.

Severe – Uncontrollable deviations from position and altitude.  Loss of control of aircraft; possible deformation and destruction of aircraft.

From NASA:  New technology for detecting turbulence

In aviation, the Richardson number is used as a rough measure of expected air turbulence. A lower value indicates a higher degree of turbulence.
Values in the range 10 to 0.1 are typical, with values below unity indicating significant turbulence.
- from https://en.wikipedia.org/wiki/Richardson_number

Surface Winds

For a detailed description of Wind Barbs, click here.
 
For information on global wind patterns, click here.

Winds at 3,000 6,000 9,000 Feet

For a detailed description of Wind Barbs, click here.
 
For information on global wind patterns, click here.

Icing Levels

Radar

   

Sky Cover

Temperatures

Dew Point

Relative Humidity

Density Altitude

Density Altitude Calculator

NOAA weather advisory chart

    See also our NOAA Weather Advisory Charts webpage.

Key:
    Air Quality Alert
    Beach Hazards Statement
    Blizzard Warning
    Brisk Wind Advisory
    Coastal Flood Advisory
    Coastal Flood Statement
    Coastal Flood Warning
    Coastal Flood Watch
    Dense Fog Advisory
    Excessive Heat Warning
    Fire Weather Watch
    Flash Flood Warning
    Flood Advisory
    Flood Warning
    Flood Watch
    Freeze Warning
    Freeze Watch
    Freezing Spray Advisory
    Frost Advisory
    Gale Warning
    Gale Watch
    Hard Freeze Warning
    Hard Freeze Watch
    Hazardous Seas Warning
    Hazardous Weather Outlook
    Heat Advisory
    Heavy Freezing Spray Warning
    High Surf Advisory
    High Wind Warning
    High Wind Watch
    Hurricane Force Wind Warning
    Hydrologic Outlook
    Lake Effect Snow Warning
    Lake Wind Advisory
    Lakeshore Flood Advisory
    Lakeshore Flood Warning
    Low Water Advisory
    Marine Weather Statement
    Red Flag Warning
    Rip Current Statement
    Severe Thunderstorm Warning
    Severe Weather Statement
    Small Craft Advisory
    Special Marine Warning
    Storm Warning
    Special Weather Statement
    Tornado Warning
    Tornado Watch
    Tropical Storm Warning
    Wind Advisory
    Wind Chill Advisory
    Wind Chill Warning
    Winter Storm Warning
    Winter Storm Watch
    Winter Weather Advisory

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