HLSK Grøtterud
Norway, 435m (AMSL) |SHOW ON MAP|
Hvittingfoss -.Grøtterud
hlskbakkestasjon(youknowit)gmail.com
08:13-16:54 (CET)
Min. certification: PP2/SP2
Max. altitude (TMA): 1067 m.a.s.l.
Take-off altitude: 435 m.a.s.l. (325 m top-to-bottom).
Orientation: SE-S-SW
Site managed by HLSK - Hvittingfoss Luftsportklubb,
Note: Mandatory site fees apply, day-/season card. Buy at HLSK shop,
Mor info
Road access: Road barrier, padlock with code. Last 600 meters are only allowed with 4WD. Closed during the winter and weekdays during the moose hunting.
Parking: At take-off and before the "4WD only" sign.
Aerial sporting box: The Hvittingfos box can only be used when activated according to standard operating procedure.
Radio frequency (NLF): 154.175 MHz
LANDING
Parking: Next to the landing field.
Note: Trees around the field creates turbulence in high winds.
Link to webcam
In operation since 03. june. 2014
Hvittingfoss -.Grøtterud
hlskbakkestasjon(youknowit)gmail.com
08:13-16:54 (CET)
Min. certification: PP2/SP2
Max. altitude (TMA): 1067 m.a.s.l.
Take-off altitude: 435 m.a.s.l. (325 m top-to-bottom).
Orientation: SE-S-SW
Site managed by HLSK - Hvittingfoss Luftsportklubb,
Note: Mandatory site fees apply, day-/season card. Buy at HLSK shop,
Mor info
Road access: Road barrier, padlock with code. Last 600 meters are only allowed with 4WD. Closed during the winter and weekdays during the moose hunting.
Parking: At take-off and before the "4WD only" sign.
Aerial sporting box: The Hvittingfos box can only be used when activated according to standard operating procedure.
Radio frequency (NLF): 154.175 MHz
LANDING
Parking: Next to the landing field.
Note: Trees around the field creates turbulence in high winds.
Link to webcam
In operation since 03. june. 2014
Page views in 2026: 764
Note: Calculated from yearly data where the average wind speed is more than 4km/h.
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Averages updated: 15:12:17 Sun CET
| Time | 07:15 | 07:30 | 07:45 | 08h | 08:15 | 08:30 | 08:45 | 09h | 09:15 | 09:30 | 09:45 | 10h | 10:15 | 10:30 | 10:45 | 11h | 11:15 | 11:30 | 11:45 | 12h | 12:15 | 12:30 | 12:45 | 13h | 13:15 | 13:30 | 13:45 | 14h | 14:15 | 14:30 | 14:45 | 15h |
| Speed | 9 | 10 | 11 | 10 | 10 | 11 | 10 | 10 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 12 | 13 | 13 | 11 | 7 | 5 | 4 | 6 | 5 | 4 | 1 | 2 | 3 | 5 | 5 | 3 | 3 |
| Gust (km/h) | 18 | 19 | 21 | 19 | 16 | 17 | 16 | 19 | 16 | 14 | 14 | 16 | 16 | 15 | 12 | 21 | 24 | 24 | 21 | 16 | 16 | 13 | 14 | 13 | 11 | 7 | 8 | 8 | 10 | 10 | 9 | 8 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | NNE 12° | N 7° | N 8° | N 4° | N 7° | N 3° | N 8° | NNE 18° | N 9° | N 11° | N 2° | N 5° | NNE 15° | N 10° | N 3° | N 353° | N 351° | N 359° | N 356° | NNW 343° | NNW 346° | NNW 338° | N 352° | NNW 346° | N 356° | NNW 330° | NW 326° | NNW 330° | NW 320° | NW 311° | NNW 328° | NNW 340° |
| Humidity (%) | 95.6 | 95.6 | 95.6 | 95.6 | 95.6 | 95.6 | 95.5 | 95.5 | 95.5 | 95.4 | 95.4 | 95.4 | 95.4 | 95.5 | 95.4 | 95.5 | 95.7 | 95.7 | 95.6 | 95.5 | 95.6 | 95.5 | 95.6 | 95.6 | 95.6 | 95.5 | 95.6 | 95.5 | 95.3 | 95.4 | 95.5 | 95.5 |
| Temp. (°C) | -10.8 | -10.8 | -10.8 | -10.8 | -10.7 | -10.7 | -10.7 | -10.5 | -10.5 | -10.5 | -10.6 | -10.5 | -10.5 | -10.4 | -10.4 | -10.5 | -10.3 | -10.3 | -10.3 | -10.3 | -10.1 | -10.0 | -9.9 | -10.0 | -9.9 | -10.0 | -10.1 | -10.0 | -10.2 | -10.3 | -10.1 | -10.0 |
| Time | Sat | 01h | 02h | 03h | 04h | 05h | 06h | 07h | 08h | 09h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h | 22h | 23h | Sun | 01h | 02h | 03h | 04h | 05h | 06h | 07h |
| Speed | 14 | 12 | 12 | 13 | 13 | 11 | 10 | 8 | 9 | 14 | 12 | 10 | 7 | 9 | 10 | 8 | 9 | 13 | 15 | 15 | 14 | 14 | 16 | 11 | 13 | 14 | 14 | 8 | 10 | 13 | 15 | 12 |
| Gust (km/h) | 29 | 29 | 25 | 34 | 32 | 26 | 21 | 22 | 21 | 29 | 28 | 25 | 22 | 19 | 25 | 21 | 23 | 28 | 27 | 26 | 29 | 30 | 30 | 29 | 27 | 26 | 29 | 25 | 24 | 29 | 26 | 24 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | N 11° | N 10° | NNE 15° | N 7° | N 8° | NNE 13° | N 10° | NNE 14° | N 9° | N 6° | N 353° | N 356° | NNE 17° | N 1° | N 353° | N 7° | N 356° | N 360° | N 6° | N 5° | NNE 20° | NNE 32° | NE 39° | NE 53° | NNE 23° | NNE 20° | NNE 14° | NE 43° | NE 38° | NNE 14° | N 10° | NNE 19° |
| Humidity (%) | 94.1 | 94.3 | 94.4 | 94.8 | 94.7 | 94.3 | 94.3 | 94.4 | 94.3 | 94.0 | 94.3 | 94.7 | 94.9 | 94.9 | 94.9 | 95.6 | 95.7 | 94.8 | 94.0 | 93.2 | 93.5 | 93.4 | 92.2 | 91.2 | 89.6 | 90.1 | 90.3 | 92.0 | 95.0 | 95.9 | 96.0 | 95.8 |
| Temp. (°C) | -9.5 | -9.4 | -9.2 | -9.2 | -9.0 | -8.9 | -8.7 | -8.7 | -8.4 | -8.2 | -8.0 | -7.7 | -7.5 | -7.0 | -6.8 | -6.4 | -6.4 | -6.2 | -6.0 | -5.8 | -5.9 | -5.9 | -6.1 | -7.1 | -8.3 | -9.3 | -10.4 | -11.6 | -12.4 | -12.1 | -11.4 | -10.9 |
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updated: 15:12:17 Sun CET
- Wind speed (km/h)
- Wind direction (°deg)
- Temperature & Dew Point (°C)
- Humidity (%)
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