HLSK Grøtterud
Norway, 1427ft (AMSL) |SHOW ON MAP|
Hvittingfoss -.Grøtterud
hlskbakkestasjon(youknowit)gmail.com
09:10-15:44 (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
09:10-15:44 (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: 197
Note: Calculated from yearly data where the average wind speed is more than 4km/h.
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Averages updated: 04:37:20 Sat CET
| Time | 20:45 | 21h | 21:15 | 21:30 | 21:45 | 22h | 22:15 | 22:30 | 22:45 | 23h | 23:15 | 23:30 | 23:45 | Sat | 00:15 | 00:30 | 00:45 | 01h | 01:15 | 01:30 | 01:45 | 02h | 02:15 | 02:30 | 02:45 | 03h | 03:15 | 03:30 | 03:45 | 04h | 04:15 | 04:30 |
| Speed | 12.4 | 13.6 | 11.2 | 11.2 | 10.5 | 11.2 | 12.4 | 12.4 | 12.4 | 13 | 11.8 | 11.8 | 13.6 | 13 | 12.4 | 11.8 | 11.8 | 10.5 | 11.2 | 10.5 | 10.5 | 9.9 | 9.9 | 9.3 | 9.9 | 7.4 | 6.8 | 8.1 | 6.8 | 7.4 | 7.4 | 5.6 |
| Gust (mph) | 19.8 | 20.5 | 18.6 | 16.1 | 16.7 | 16.7 | 19.8 | 18 | 19.2 | 18 | 17.4 | 16.7 | 19.8 | 19.2 | 18 | 18 | 18 | 16.1 | 18 | 17.4 | 16.7 | 16.1 | 14.9 | 14.9 | 18 | 13 | 13.6 | 13.6 | 12.4 | 13 | 13 | 12.4 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | NE 42° | NE 47° | NE 43° | NE 40° | NE 34° | NE 39° | NE 40° | NE 49° | NE 49° | NE 40° | NNE 33° | NNE 31° | NNE 31° | NNE 28° | NE 35° | NE 35° | NNE 26° | NNE 30° | NE 34° | NE 34° | NNE 32° | NE 34° | NNE 30° | NE 39° | NE 37° | NE 45° | NE 51° | NE 40° | NE 36° | NE 43° | NNE 29° | NNE 32° |
| Humidity (%) | 94.5 | 92.1 | 92.6 | 93.9 | 94.9 | 95.3 | 95.8 | 94.9 | 92.8 | 90.2 | 87.7 | 88.2 | 88.3 | 87.9 | 87.5 | 88.1 | 87.9 | 87.7 | 87.4 | 87.6 | 87.7 | 87.7 | 86.0 | 85.2 | 84.7 | 84.8 | 86.6 | 87.9 | 88.9 | 89.1 | 89.2 | 89.2 |
| Temp. (°C) | -6.7 | -6.7 | -6.8 | -6.8 | -6.8 | -6.9 | -7.0 | -7.2 | -7.3 | -7.3 | -7.3 | -7.3 | -7.3 | -7.3 | -7.3 | -7.3 | -7.4 | -7.4 | -7.4 | -7.4 | -7.4 | -7.5 | -7.4 | -7.5 | -7.5 | -7.7 | -7.8 | -8.0 | -8.2 | -8.3 | -8.4 | -8.5 |
| Time | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h | 22h | 23h | Fri | 01h | 02h | 03h | 04h | 05h | 06h | 07h | 08h | 09h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h |
| Speed | 6.2 | 6.2 | 4.3 | 2.5 | 3.1 | 1.9 | 3.7 | 2.5 | 4.3 | 3.1 | 3.1 | 3.7 | 4.3 | 3.1 | 4.3 | 3.7 | 4.3 | 5 | 5 | 4.3 | 5 | 5.6 | 5 | 3.1 | 5 | 3.7 | 6.8 | 8.1 | 11.2 | 12.4 | 14.3 | 13 |
| Gust (mph) | 14.9 | 19.2 | 11.2 | 7.4 | 5 | 4.3 | 6.8 | 9.3 | 11.2 | 9.3 | 9.9 | 8.7 | 9.9 | 9.3 | 9.3 | 9.3 | 8.7 | 9.9 | 9.3 | 8.1 | 8.1 | 11.2 | 10.5 | 6.8 | 13 | 9.9 | 13.6 | 14.3 | 20.5 | 19.2 | 21.1 | 19.8 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | W 277° | W 277° | WNW 282° | WSW 246° | WSW 258° | NW 319° | NE 46° | NE 35° | NNE 16° | N 11° | N 9° | N 7° | NE 38° | NNE 33° | NNE 24° | NNE 22° | NNE 22° | NNE 23° | NE 38° | NNE 29° | NNE 33° | NNE 24° | NE 36° | NE 42° | NNE 16° | NNE 33° | NNE 21° | NNE 13° | NE 36° | NE 42° | NE 38° | NE 40° |
| Humidity (%) | 55.6 | 52.0 | 50.3 | 59.4 | 52.9 | 49.3 | 46.3 | 54.3 | 50.4 | 53.3 | 63.2 | 81.2 | 92.2 | 94.1 | 95.4 | 95.8 | 95.9 | 95.6 | 95.6 | 95.6 | 95.6 | 95.7 | 95.4 | 95.1 | 95.4 | 95.7 | 95.6 | 95.8 | 95.9 | 96.0 | 95.3 | 94.8 |
| Temp. (°C) | -7.4 | -7.6 | -7.0 | -8.8 | -8.5 | -8.3 | -8.0 | -8.8 | -8.0 | -7.7 | -7.8 | -8.4 | -8.8 | -9.0 | -8.9 | -8.6 | -8.5 | -8.3 | -8.3 | -7.9 | -7.6 | -7.5 | -7.2 | -7.2 | -7.0 | -6.8 | -6.9 | -6.9 | -6.9 | -6.9 | -6.9 | -6.7 |
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updated: 04:37:20 Sat CET
- Wind speed (mph)
- Wind direction (°deg)
- Temperature & Dew Point (°C)
- Humidity (%)
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