HLSK Grøtterud
Norway, 435m (AMSL) |SHOW ON MAP|
Hvittingfoss -.Grøtterud
hlskbakkestasjon(youknowit)gmail.com
08:22-15:47 (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
08:22-15:47 (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 2025: 34089
Note: Calculated from yearly data where the average wind speed is more than 4km/h.
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Averages updated: 09:42:22 Tue CET
| Time | 01:45 | 02h | 02:15 | 02:30 | 02:45 | 03h | 03:15 | 03:30 | 03:45 | 04h | 04:15 | 04:30 | 04:45 | 05h | 05:15 | 05:30 | 05:45 | 06h | 06:15 | 06:30 | 06:45 | 07h | 07:15 | 07:30 | 07:45 | 08h | 08:15 | 08:30 | 08:45 | 09h | 09:15 | 09:30 |
| Speed | 3.1 | 3.3 | 3.6 | 3.9 | 3.9 | 3.6 | 4.2 | 4.2 | 3.6 | 3.6 | 3.3 | 3.9 | 3.9 | 4.4 | 4.4 | 4.7 | 5 | 5.6 | 5.6 | 5 | 4.7 | 4.7 | 4.7 | 3.6 | 4.4 | 3.6 | 3.6 | 4.2 | 4.2 | 3.6 | 3.6 | 2.8 |
| Gust (m/s) | 5.8 | 5.8 | 6.1 | 6.7 | 6.7 | 6.1 | 7.2 | 6.9 | 6.7 | 7.2 | 6.7 | 7.2 | 6.7 | 6.9 | 6.7 | 7.2 | 7.8 | 8.6 | 8.1 | 7.8 | 8.1 | 8.1 | 6.7 | 5.8 | 6.9 | 6.4 | 5.3 | 6.7 | 6.7 | 5.8 | 6.4 | 5.6 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | NW 306° | WNW 301° | WNW 302° | NW 308° | WNW 300° | NW 305° | NW 305° | NW 306° | WNW 301° | WNW 294° | WNW 298° | WNW 303° | WNW 302° | NW 313° | NW 316° | NW 316° | NW 312° | NW 313° | NW 310° | NW 316° | NW 311° | NW 311° | NW 317° | NW 321° | NW 321° | NW 321° | NW 320° | NW 325° | NW 316° | NW 311° | NW 320° | NW 310° |
| Humidity (%) | 62.0 | 62.4 | 62.8 | 63.0 | 63.4 | 63.7 | 63.4 | 62.6 | 62.5 | 63.3 | 64.3 | 63.7 | 63.4 | 61.8 | 62.1 | 62.4 | 62.5 | 61.9 | 61.6 | 62.0 | 62.2 | 62.1 | 62.2 | 62.6 | 62.5 | 62.0 | 62.4 | 62.4 | 62.0 | 61.6 | 60.9 | 60.6 |
| Temp. (°C) | 1.0 | 0.9 | 0.8 | 0.7 | 0.5 | 0.5 | 0.4 | 0.5 | 0.4 | 0.2 | -0.1 | -0.1 | -0.1 | 0.2 | 0.1 | -0.1 | -0.2 | -0.1 | -0.1 | -0.2 | -0.3 | -0.3 | -0.3 | -0.5 | -0.4 | -0.4 | -0.5 | -0.5 | -0.5 | -0.3 | -0.2 | -0.1 |
| Time | 18h | 19h | 20h | 21h | 22h | 23h | Mon | 01h | 02h | 03h | 04h | 05h | 06h | 07h | 08h | 09h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h | 22h | 23h | Tue | 01h |
| Speed | 2.2 | 1.4 | 1.7 | 3.1 | 3.3 | 4.4 | 5.3 | 4.7 | 5 | 4.4 | 3.9 | 4.2 | 4.7 | 5.3 | 5 | 4.7 | 5 | 5.8 | 4.4 | 3.9 | 3.3 | 2.8 | 1.9 | 2.8 | 3.1 | 3.3 | 3.9 | 3.6 | 3.6 | 4.7 | 4.7 | 3.9 |
| Gust (m/s) | 8.3 | 4.4 | 4.2 | 6.4 | 7.2 | 7.2 | 9.4 | 10.3 | 10.3 | 10.8 | 8.9 | 7.5 | 8.6 | 9.4 | 9.2 | 8.9 | 9.4 | 10.6 | 9.7 | 10.3 | 7.5 | 6.4 | 5.8 | 6.1 | 7.2 | 6.7 | 7.8 | 8.3 | 8.1 | 8.3 | 8.1 | 8.1 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | NNW 331° | NW 315° | WNW 301° | WNW 295° | WNW 299° | NW 316° | NW 323° | NNW 347° | NNW 347° | N 349° | NNW 336° | NW 321° | NW 307° | NW 309° | NW 307° | NW 308° | NW 310° | NW 315° | NW 310° | NW 316° | NW 313° | NW 308° | WNW 295° | WNW 295° | WNW 293° | WNW 296° | WNW 298° | WNW 296° | WNW 299° | NW 304° | WNW 303° | WNW 302° |
| Humidity (%) | 57.9 | 61.3 | 60.7 | 60.2 | 61.1 | 62.5 | 63.6 | 69.1 | 68.8 | 66.1 | 64.1 | 62.4 | 60.1 | 49.0 | 47.8 | 50.2 | 54.7 | 55.7 | 55.8 | 55.7 | 55.9 | 55.5 | 57.1 | 58.7 | 60.8 | 61.6 | 61.6 | 61.1 | 61.1 | 60.7 | 62.0 | 63.1 |
| Temp. (°C) | 2.1 | 1.3 | 0.8 | 0.5 | 0.3 | 0.1 | 0.1 | -0.1 | -0.4 | -0.6 | -0.7 | -0.8 | -1.0 | -0.2 | 0.2 | 0.4 | 0.5 | 1.1 | 1.7 | 2.3 | 2.6 | 2.8 | 2.4 | 1.8 | 1.4 | 1.3 | 1.1 | 1.3 | 1.4 | 1.4 | 1.2 | 1.0 |
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updated: 09:42:22 Tue CET
- Wind speed (m/s)
- Wind direction (°deg)
- Temperature & Dew Point (°C)
- Humidity (%)
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