HLSK Grøtterud
Norway, 435m (AMSL) |SHOW ON MAP|
Hvittingfoss -.Grøtterud
hlskbakkestasjon(youknowit)gmail.com
08:03-17:04 (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
08:03-17:04 (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: 855
Note: Calculated from yearly data where the average wind speed is more than 4km/h.
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Averages updated: 15:19:08 Thu CET
| Time | 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 | 15:15 |
| Speed | 8 | 12 | 13 | 12 | 19 | 15 | 12 | 14 | 11 | 13 | 11 | 12 | 14 | 14 | 14 | 13 | 15 | 15 | 11 | 16 | 14 | 12 | 8 | 10 | 10 | 10 | 12 | 8 | 8 | 7 | 11 | 11 |
| Gust (km/h) | 15 | 21 | 25 | 24 | 32 | 28 | 24 | 29 | 29 | 33 | 30 | 26 | 28 | 24 | 26 | 26 | 32 | 29 | 23 | 32 | 27 | 25 | 21 | 22 | 19 | 20 | 23 | 21 | 19 | 17 | 28 | 29 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | NNE 25° | NNE 29° | NNE 25° | NNE 23° | NNE 32° | NNE 27° | N 4° | NNE 28° | NE 51° | NNE 25° | NE 38° | NNE 32° | NNE 14° | NNE 27° | NE 36° | NE 41° | NNE 28° | NE 34° | NNE 31° | NNE 22° | NE 35° | NNE 28° | NNE 17° | NNE 21° | NNE 12° | NNE 18° | N 3° | N 356° | N 10° | NE 34° | NE 34° | NNE 24° |
| Humidity (%) | 91.1 | 90.8 | 90.3 | 89.9 | 87.6 | 87.9 | 87.0 | 85.6 | 84.1 | 82.7 | 82.6 | 82.9 | 82.7 | 82.4 | 81.9 | 81.1 | 81.3 | 81.1 | 81.7 | 82.1 | 82.7 | 82.8 | 83.4 | 84.7 | 85.0 | 84.8 | 84.6 | 85.7 | 86.0 | 86.8 | 85.1 | 84.3 |
| Temp. (°C) | -9.8 | -9.8 | -9.9 | -10.0 | -9.9 | -10.1 | -10.0 | -9.9 | -9.4 | -9.4 | -9.2 | -9.2 | -9.3 | -9.1 | -9.2 | -9.1 | -9.3 | -9.1 | -8.9 | -9.1 | -9.2 | -9.1 | -9.0 | -9.1 | -9.1 | -8.9 | -8.9 | -8.9 | -8.8 | -8.7 | -8.8 | -8.9 |
| Time | Wed | 01h | 02h | 03h | 04h | 05h | 06h | 07h | 08h | 09h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h | 22h | 23h | Thu | 01h | 02h | 03h | 04h | 05h | 06h | 07h |
| Speed | 3 | 9 | 9 | 7 | 6 | 6 | 6 | 7 | 11 | 13 | 13 | 14 | 12 | 7 | 6 | 6 | 5 | 4 | 3 | 2 | 3 | 4 | 8 | 14 | 16 | 16 | 15 | 18 | 20 | 16 | 12 | 9 |
| Gust (km/h) | 11 | 16 | 17 | 16 | 15 | 13 | 13 | 19 | 22 | 26 | 25 | 26 | 23 | 16 | 14 | 16 | 15 | 16 | 8 | 6 | 10 | 18 | 21 | 26 | 31 | 26 | 26 | 31 | 35 | 27 | 23 | 22 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | N 356° | NNE 12° | N 9° | NNE 13° | NNE 14° | N 5° | N 4° | NNE 12° | NNE 21° | NNE 20° | NNE 18° | NNE 22° | NNE 29° | NNE 21° | N 6° | N 359° | N 9° | NE 42° | SE 137° | SSE 166° | ESE 108° | NE 43° | NE 35° | NNE 17° | NNE 26° | NNE 27° | NNE 24° | NNE 22° | NNE 24° | NNE 17° | NNE 26° | NNE 27° |
| Humidity (%) | 94.0 | 93.1 | 93.8 | 95.1 | 96.3 | 96.8 | 96.6 | 95.6 | 95.0 | 93.9 | 91.0 | 89.7 | 90.5 | 90.7 | 89.5 | 88.9 | 89.4 | 90.6 | 91.1 | 91.4 | 91.4 | 92.2 | 93.8 | 94.8 | 95.4 | 95.1 | 94.6 | 94.7 | 95.0 | 94.6 | 94.9 | 94.2 |
| Temp. (°C) | -7.5 | -7.0 | -6.7 | -6.2 | -6.0 | -5.9 | -5.8 | -5.7 | -5.6 | -5.7 | -5.8 | -5.7 | -5.5 | -5.2 | -5.1 | -5.2 | -5.4 | -5.8 | -6.1 | -6.2 | -6.4 | -6.7 | -6.9 | -7.1 | -7.2 | -7.4 | -7.6 | -8.0 | -8.7 | -9.1 | -9.3 | -9.6 |
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updated: 15:19:08 Thu CET
- Wind speed (km/h)
- Wind direction (°deg)
- Temperature & Dew Point (°C)
- Humidity (%)
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