St. john _south launch, ca | Paragliding Forecast Description GPS Share Add To Favorites Ignore Edit
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  • default:
    GFS HRRR 3 km
    GFS HRRR 3
    GEM regional 10
    UKMO Global 10
    DWD ICON Global 11
    GFS GRAPES 13
    GFS global 13
    BOM ACCESS 15
    GEM Global 15
    ECMWF IFS 25
    GFS GraphCast 25
    ECMWF AIFS 28
    ECMWF IFS 44
    JMA gSM 55
    MF Arpege 55
    Model GFS HRRR 3 km run: 09/05 06:52 GFS 13 km run: 09/05 06:52
    Date
    Optimal
    Fr
    9
    7h
    Fr
    9
    8h
    Fr
    9
    9h
    Fr
    9
    10h
    Fr
    9
    11h
    Fr
    9
    12h
    Fr
    9
    13h
    Fr
    9
    14h
    Fr
    9
    15h
    Fr
    9
    16h
    Fr
    9
    17h
    Fr
    9
    18h
    Fr
    9
    19h
    Fr
    9
    20h
    Sa
    10
    7h
    Sa
    10
    8h
    Sa
    10
    9h
    Sa
    10
    10h
    Sa
    10
    11h
    Sa
    10
    12h
    Sa
    10
    13h
    Sa
    10
    14h
    Sa
    10
    15h
    Sa
    10
    16h
    Sa
    10
    17h
    Sa
    10
    18h
    Sa
    10
    19h
    Sa
    10
    20h
    Su
    11
    6h
    Su
    11
    7h
    Su
    11
    8h
    Su
    11
    9h
    Su
    11
    10h
    Su
    11
    11h
    Su
    11
    12h
    Su
    11
    13h
    Su
    11
    14h
    Su
    11
    15h
    Su
    11
    16h
    Su
    11
    17h
    Su
    11
    18h
    Su
    11
    19h
    Su
    11
    20h
    Mo
    12
    6h
    Mo
    12
    7h
    Mo
    12
    8h
    Mo
    12
    9h
    Mo
    12
    10h
    Mo
    12
    11h
    Mo
    12
    12h
    Mo
    12
    13h
    Mo
    12
    14h
    Mo
    12
    15h
    Mo
    12
    16h
    Mo
    12
    17h
    Mo
    12
    18h
    Mo
    12
    19h
    Mo
    12
    20h
    Tu
    13
    6h
    Tu
    13
    7h
    Tu
    13
    8h
    Tu
    13
    9h
    Tu
    13
    10h
    Tu
    13
    11h
    Tu
    13
    12h
    Tu
    13
    13h
    Tu
    13
    14h
    Tu
    13
    15h
    Tu
    13
    16h
    Tu
    13
    17h
    Tu
    13
    18h
    Tu
    13
    19h
    Tu
    13
    20h
    We
    14
    6h
    We
    14
    7h
    We
    14
    8h
    We
    14
    9h
    We
    14
    10h
    We
    14
    11h
    We
    14
    12h
    We
    14
    13h
    We
    14
    14h
    We
    14
    15h
    We
    14
    16h
    We
    14
    17h
    We
    14
    18h
    We
    14
    19h
    We
    14
    20h
    Th
    15
    6h
    Th
    15
    7h
    Th
    15
    8h
    Th
    15
    9h
    Th
    15
    10h
    Th
    15
    11h
    Th
    15
    12h
    Th
    15
    13h
    Th
    15
    14h
    Th
    15
    15h
    Th
    15
    16h
    Th
    15
    17h
    Th
    15
    18h
    Th
    15
    19h
    Th
    15
    20h
    Fr
    16
    6h
    Fr
    16
    7h
    Fr
    16
    8h
    Fr
    16
    9h
    Fr
    16
    10h
    Fr
    16
    11h
    Fr
    16
    12h
    Fr
    16
    13h
    Fr
    16
    14h
    Fr
    16
    15h
    Fr
    16
    16h
    Fr
    16
    17h
    Fr
    16
    18h
    Fr
    16
    19h
    Fr
    16
    20h
    Sa
    17
    6h
    Sa
    17
    7h
    Sa
    17
    8h
    Sa
    17
    9h
    Sa
    17
    10h
    Sa
    17
    11h
    Sa
    17
    12h
    Sa
    17
    13h
    Sa
    17
    14h
    Sa
    17
    15h
    Sa
    17
    16h
    Sa
    17
    17h
    Sa
    17
    18h
    Sa
    17
    19h
    Sa
    17
    20h
    Su
    18
    6h
    Su
    18
    7h
    Su
    18
    8h
    Su
    18
    9h
    Su
    18
    10h
    Su
    18
    11h
    Su
    18
    12h
    Su
    18
    13h
    Su
    18
    14h
    Su
    18
    15h
    Su
    18
    16h
    Su
    18
    17h
    Su
    18
    18h
    Su
    18
    19h
    Su
    18
    20h
    Mo
    19
    6h
    Mo
    19
    7h
    Mo
    19
    8h
    Mo
    19
    9h
    Mo
    19
    10h
    Mo
    19
    11h
    Mo
    19
    12h
    Mo
    19
    13h
    Mo
    19
    14h
    Mo
    19
    15h
    Mo
    19
    16h
    Mo
    19
    17h
    Mo
    19
    18h
    Mo
    19
    19h
    Mo
    19
    20h
    Tu
    20
    6h
    Tu
    20
    7h
    Tu
    20
    8h
    Tu
    20
    9h
    Tu
    20
    10h
    Tu
    20
    11h
    Tu
    20
    12h
    Tu
    20
    13h
    Tu
    20
    14h
    Tu
    20
    15h
    Tu
    20
    16h
    Tu
    20
    17h
    Tu
    20
    18h
    Tu
    20
    19h
    Tu
    20
    20h
    We
    21
    6h
    We
    21
    7h
    We
    21
    8h
    We
    21
    9h
    We
    21
    10h
    We
    21
    11h
    We
    21
    12h
    We
    21
    13h
    We
    21
    14h
    We
    21
    15h
    We
    21
    16h
    We
    21
    17h
    We
    21
    18h
    We
    21
    19h
    We
    21
    20h
    Th
    22
    6h
    Th
    22
    7h
    Th
    22
    8h
    Th
    22
    9h
    Th
    22
    10h
    Th
    22
    11h
    Th
    22
    12h
    Th
    22
    13h
    Th
    22
    14h
    Th
    22
    15h
    Th
    22
    16h
    Th
    22
    17h
    Th
    22
    18h
    Th
    22
    19h
    Th
    22
    20h
    Fr
    23
    6h
    Fr
    23
    7h
    Fr
    23
    8h
    Fr
    23
    9h
    Fr
    23
    10h
    Fr
    23
    11h
    Fr
    23
    12h
    Fr
    23
    13h
    Fr
    23
    14h
    Fr
    23
    15h
    Fr
    23
    16h
    Fr
    23
    17h
    Fr
    23
    18h
    Fr
    23
    19h
    Fr
    23
    20h
    Sa
    24
    6h
    Sa
    24
    7h
    Sa
    24
    8h
    Sa
    24
    9h
    Sa
    24
    10h
    Sa
    24
    11h
    Sa
    24
    12h
    Sa
    24
    13h
    Sa
    24
    14h
    Sa
    24
    15h
    Sa
    24
    16h
    Sa
    24
    17h
    Sa
    24
    18h
    Sa
    24
    19h
    Sa
    24
    20h
    Wind Dir.
    Wind Spd. (mph) 3 4 3 4 5 5 6 6 6 5 5 9 9 9 4 3 3 3 4 5 3 6 10 11 12 13 14 14 5 4 5 6 7 8 10 10 11 11 12 13 12 10 8 6 6 5 4 4 4 5 4 5 7 6 5 6 5 5 3 3 2 2 2 2 0 2 4 3 2 5 4 3 4 1 0 1 2 3 3 4 4 4 4 4 3 2 3 4 2 1 1 1 2 2 3 3 4 4 5 5 5 5 5 1 1 2 2 3 4 5 5 5 6 6 6 6 5 6 5 5 5 5 5 6 6 7 8 8 8 8 7 5 4 2 1 1 1 1 1 1 1 1 0 0 1 2 4 5 4 4 4 4 4 4 4 4 4 3 3 2 0 1 3 2 1 0 1 2 3 3 4 5 6 8 8 8 6 5 3 2 2 0 1 2 3 4 6 7 8 8 8 6 5 3 2 1 0 1 2 2 3 4 4 3 2 2 2 3 1 0 0 1 2 3 4 5 6 6 5 5 4 4 4 2 2 2 2 3 3 4 4 4 4 4 3 2 3 3
    Gusts (mph) 3 7 11 10 9 9 10 11 13 11 9 13 13 14 6 4 6 6 6 9 9 11 15 16 17 20 23 24 8 8 6 5 9 11 15 15 19 21 22 24 23 20 12 4 4 4 5 6 5 6 7 9 10 10 10 9 8 8 3 2 3 3 4 4 4 3 3 4 6 7 7 6 5 3 1 1 2 4 6 6 5 5 5 5 5 4 4 4 2 1 0 2 4 6 6 7 7 6 5 4 4 3 3 2 2 2 3 5 6 7 7 7 6 5 5 6 7 8 9 7 6 6 7 7 7 8 8 8 9 9 9 8 8 3 2 2 2 3 4 6 8 8 8 7 6 6 6 6 4 5 6 6 6 7 8 8 9 8 7 6 4 3 3 3 2 1 2 4 6 7 7 8 7 6 5 5 5 6 3 3 2 3 5 6 7 8 8 7 5 4 5 7 9 4 4 3 3 3 4 5 6 7 6 5 4 3 2 1 2 2 1 2 3 4 6 6 7 7 6 5 4 3 2 2 2 2 3 4 4 6 7 7 6 4 3 3 3 4
    Temp. (°C) 8 11 13 14 15 16 17 18 19 19 18 16 15 13 11 13 15 16 17 17 18 18 18 17 17 15 14 12 0 1 4 6 7 9 9 9 9 9 8 6 4 2 1 -1 -1 -1 -1 -1 -1 -1 -1 0 2 0 0 0 0 0 -4 -2 0 1 2 2 3 4 6 6 7 5 5 5 2 0 2 4 6 8 9 10 10 9 10 10 10 8 6 5 2 5 7 9 11 13 14 15 15 15 14 13 11 9 7 5 7 8 10 12 13 14 14 14 14 15 14 12 9 6 0 2 4 6 8 9 10 11 11 12 12 11 9 6 4 3 5 7 10 13 15 17 18 19 19 19 18 16 12 9 5 7 9 11 14 16 18 20 21 22 22 21 18 15 12 10 12 14 17 19 20 21 22 22 22 22 21 18 15 13 9 12 14 17 19 21 22 22 21 21 21 20 17 14 11 8 10 12 15 17 19 20 21 21 21 21 20 18 14 11 8 11 13 14 15 17 18 18 19 19 20 19 17 14 12 9 11 13 15 17 19 21 21 22 22 21 20 18 15 12
    Rain (mm) 0.2 0.2 0.2 0.6 0.7 0.6 1.7 1.3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.3 0.3 0.3 0.2
    Cloud Cov. (%) 100 100 100 100 100 100 100 100 100 100 100 66 100 21 37 9 1 18 93 59 5 5 5 7 84 8 100 100 13 6 39 74 100 100 100 100 100 100 100 100 100 100 77 100 100 100 100 100 31 60 95 100 100 100 100 100 100 91 60 100 100 7 5 32 57 81 87 94 100 100 100 100 99 99 98 97 96 95 1 1 2 4 5 7 32 58 83 72 61 50 70 85 100 100 100 100 100 100 100 100 99 99 91 83 75 91 95 100 69 38 7 6 5 4 3 1 7 5 3 3 4 4 4 5 5 3 2 1 1 2 61 63 66 52 37 23 48 74 99 79 59 39 28 17 6 7 4 2 1 1 53 77 100 100 100 100 100 100 100 69 38 7 5 2 59 79 99 99 100 100 82 64 46 52 59 65 68 71 74
    High Cloud (%) 100 100 100 100 100 100 100 100 100 100 100 66 100 21 37 9 1 18 93 59 5 5 5 5 83 5 100 100 5 33 10 100 57 31 55 79 86 93 100 100 100 100 93 86 79 56 33 10 1 1 2 8 14 20 69 85 100 100 100 100 100 100 100 100 99 99 89 80 70 89 95 100 68 35 3 3 3 3 2 1 6 5 3 3 3 3 4 4 5 3 2 1 1 2 59 62 65 51 36 22 48 73 99 78 58 37 26 16 5 5 4 2 1 1 53 76 100 100 100 100 100 100 100 67 35 2 1 1 58 78 98 99 99 100 78 56 34 43 52 61 65 68 72
    Mid Cloud (%) 63 5 13 100 91 5 5 76 5 1 3 4 20 36 52 58 64 70 53 37 20 27 54 81 54 27 23 45 68 72 75 79 55 31 7 14 20 27 2 1 3 2 2 1 1 35 68 100 100 100 100 95 89 84 57 30 3 2 1 13 25 38 26 14 2 2 3 3
    Low Cloud (%) 5 5 5 5 73 100 100 100 100 100 100 100 100 100 100 74 100 100 100 100 100 29 58 94 100 100 100 100 100 100 90 54 100 100 5 5 1 1 2 24 46 68 73 79 84 87 91 94 1 1 2 4 5 7 31 56 80 68 57 45 6 5 5 4 4 3 2 1
    CAPE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 50 50 60 80 90 40 40 50 30 30 60 40 20 20 0 0 0 10 20 20 20 30 50 50 110 240 260 230 160 30 0 0 0 0 0 10 20 40 50 50 50 50 40 20 10 0 0 0 0 0 0 0 10 10 10 10 10 10 0 0 0 0 0 0 0 0 0 0 0 0 10 10 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
    Ceiling (m) 3.5k 3.6k 3.5k 3.6k 3.6k 3.7k 3.8k 4.0k 4.3k 4.8k 4.1k 3.9k 3.7k 4.0k 6.0k 5.6k 4.9k 4.8k 4.9k 4.9k 5.3k 5.0k 4.8k 4.5k 4.2k 3.8k 3.6k 3.7k 2.5k 2.7k 3.1k 3.6k 4.1k 4.3k 4.3k 4.2k 4.0k 3.9k 3.7k 3.4k 3.0k 2.6k 2.4k 2.0k 2.0k 2.0k 2.0k 2.0k 2.0k 2.0k 2.0k 2.0k 2.4k 2.3k 2.1k 2.2k 2.1k 2.1k 2.1k 2.2k 2.4k 2.6k 2.7k 2.7k 2.8k 3.0k 3.1k 3.0k 3.1k 2.8k 2.7k 2.7k 2.3k 2.4k 2.6k 2.8k 3.0k 3.3k 3.6k 3.6k 3.6k 3.5k 3.6k 3.6k 3.5k 3.1k 2.8k 2.5k 2.4k 2.6k 2.9k 3.1k 3.4k 3.7k 3.9k 4.0k 4.0k 3.9k 3.8k 3.5k 3.2k 2.9k 2.6k 2.6k 2.7k 2.9k 3.2k 3.5k 3.8k 4.0k 4.1k 4.1k 4.2k 4.4k 4.2k 3.7k 3.2k 2.8k 2.6k 2.6k 2.8k 3.0k 3.3k 3.6k 3.9k 4.0k 4.1k 4.2k 4.2k 4.0k 3.6k 3.1k 2.8k 2.8k 2.9k 3.2k 3.5k 4.0k 4.4k 4.5k 4.6k 4.6k 4.7k 4.7k 4.4k 3.9k 3.4k 3.0k 2.9k 3.1k 3.3k 3.6k 4.2k 4.8k 5.1k 5.3k 5.3k 5.4k 5.6k 5.2k 4.4k 3.6k 3.2k 3.6k 3.7k 3.9k 4.2k 4.4k 4.8k 4.9k 5.0k 5.1k 5.2k 5.1k 4.9k 4.1k 3.5k 3.1k 3.5k 3.6k 3.8k 4.1k 4.5k 4.9k 5.2k 5.3k 5.4k 5.4k 5.2k 4.9k 4.3k 3.8k 3.4k 4.9k 4.9k 5.0k 5.3k 5.4k 5.8k 5.9k 5.9k 5.9k 5.9k 5.9k 5.5k 4.8k 4.1k 3.7k 4.3k 4.2k 4.3k 4.5k 4.7k 4.9k 5.0k 5.2k 5.2k 5.3k 5.3k 5.0k 4.4k 3.7k 3.3k 3.4k 3.6k 3.8k 4.1k 4.5k 4.9k 5.0k 5.0k 5.0k 4.9k 4.8k 4.5k 4.0k 3.4k 3.1k
    St. John Mountain, located in Mendocino National Forest near Stonyford, CA, offers a unique paragliding experience. The South Launch is situated at an elevation of 6300 feet MSL, with landing zones approximately 1200 feet MSL. The site is known for its thermal flying, often reaching altitudes of 10,000 to 12,000 feet MSL, with a record of 14,000 feet MSL. Access to the launch site requires a 4WD vehicle due to the steep, rough dirt road. From the Maxwell exit on I5, head west to Stonyford, then follow M10 west, turn right at Fouts Springs, and follow signs to the top. The drive takes about an hour. The South Launch features a large setup area with a dirt ramp extending over a shallow rocky bowl. Winds are typically light, and it's crucial to watch for movement in the pine tree out front. The West Launch, located 1/3 mile north, offers a steep shale slope near the peak, suitable for launching with a bit of wind. Most flights at St. John are cross-country (XC). The valley winds are variable but usually light from the southeast to northeast. Carry landing streamers for guidance. The primary bailout beyond Fouts Springs consists of three round fields north of the Visitors' Center. It's generally easy to glide out to Stonyford, where there are two insured landing zones in town. Avoid landing on private properties like Flying S or Pendel. The flying season is limited to summer and fall, as the road may be snowed in until May or later. St. John is considered a challenging site, typically requiring H4 ratings, though experienced H3 pilots can fly with proper site introduction. Paragliders usually prefer nearby Potato Hill. Facilities include developed campgrounds at Letts Lake with restrooms, picnic tables, fire pits, and water. There are also undeveloped campgrounds like Dixie Glade. Stonyford offers a small grocery store, gas station, and bar/cafe. For more detailed information, visit [Sonoma Wings St. John Guide](http://sonomawings.com/site-guides/st-john/). Radio communication is on 147.495 MHz (Sonoma Wings drive frequency). In case of emergencies, the nearest help is at the ranger station in Stonyford (530-963-3128). Always check in with local pilots for current conditions before flying. St. John is not a crowded site, and you may find yourself alone on many weekends. For weather forecasts, visit [NOAA Weather Forecast](https://forecast.weather.gov/MapClick.php?lat=39.424220&lon=-122.689222&site=rev&unit=0&lg=en&FcstType=text#.Y1mGpj1Bypo).
    Edit

    Created 24 Dec 2023 by Kiteslave

    Optimal Wind Direction
    SSW SW WSW W

    Optimal Speed (mph)

    Edit