HLSK Grøtterud
Norway, 435m (AMSL) |SHOW ON MAP|
Hvittingfoss -.Grøtterud
hlskbakkestasjon(youknowit)gmail.com
06:51-19:38 (CEST)
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
06:51-19:38 (CEST)
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: 31011
Note: Calculated from yearly data where the average wind speed is more than 4km/h.
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Averages updated: 07:14:33 Tue CEST
| Time | 23:15 | 23:30 | 23:45 | Tue | 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 | 04:45 | 05h | 05:15 | 05:30 | 05:45 | 06h | 06:15 | 06:30 | 06:45 | 07h |
| Speed | 5 | 8 | 5 | 7 | 5 | 6 | 5 | 6 | 10 | 6 | 5 | 4 | 5 | 6 | 7 | 6 | 7 | 7 | 5 | 4 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 2 | 1 | 1 | 4 | 4 |
| Gust (km/h) | 11 | 12 | 9 | 11 | 11 | 10 | 9 | 11 | 15 | 12 | 7 | 10 | 8 | 10 | 9 | 9 | 10 | 11 | 11 | 10 | 8 | 6 | 8 | 8 | 9 | 8 | 7 | 6 | 6 | 6 | 6 | 8 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | S 175° | SSE 155° | SSE 158° | SSE 147° | SSE 167° | SSE 150° | SSE 151° | SSE 150° | S 173° | S 174° | SE 134° | ESE 114° | SE 137° | SSE 154° | S 169° | S 186° | SSW 196° | SW 217° | SW 228° | W 261° | W 259° | W 260° | W 267° | W 268° | WSW 256° | WSW 251° | W 276° | W 262° | W 259° | WSW 258° | WNW 286° | WNW 285° |
| Humidity (%) | 68.9 | 67.5 | 68.0 | 68.0 | 68.5 | 68.9 | 69.3 | 69.0 | 68.1 | 65.6 | 64.8 | 65.4 | 65.6 | 66.5 | 67.6 | 68.4 | 69.1 | 69.1 | 68.1 | 68.5 | 68.8 | 68.8 | 68.3 | 68.7 | 68.7 | 67.7 | 67.4 | 67.3 | 67.1 | 67.3 | 63.6 | 60.9 |
| Temp. (°C) | 9.8 | 9.9 | 10.0 | 10.3 | 10.3 | 10.5 | 10.4 | 10.5 | 10.3 | 10.4 | 10.5 | 10.5 | 10.5 | 10.4 | 10.3 | 10.3 | 10.1 | 9.9 | 9.9 | 9.7 | 9.4 | 9.4 | 9.3 | 9.2 | 9.2 | 9.3 | 9.2 | 9.2 | 9.2 | 9.2 | 9.4 | 9.6 |
| Time | 16h | 17h | 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 |
| Speed | 15 | 19 | 16 | 13 | 12 | 8 | 5 | 5 | 8 | 8 | 6 | 3 | 2 | 3 | 2 | 6 | 8 | 10 | 12 | 11 | 15 | 18 | 22 | 20 | 26 | 19 | 9 | 6 | 5 | 8 | 9 | 8 |
| Gust (km/h) | 32 | 39 | 32 | 21 | 21 | 13 | 9 | 11 | 19 | 19 | 14 | 8 | 6 | 6 | 6 | 13 | 13 | 19 | 24 | 27 | 39 | 37 | 42 | 40 | 42 | 43 | 21 | 12 | 19 | 17 | 20 | 16 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | ESE 108° | SSE 150° | S 170° | SSE 152° | SSE 156° | SSE 148° | SE 142° | SSE 168° | SW 216° | WSW 239° | WSW 247° | WSW 246° | SE 146° | SSE 152° | SE 146° | E 84° | ENE 75° | E 88° | E 99° | E 101° | E 99° | ESE 102° | E 88° | E 92° | ENE 69° | ENE 71° | SE 143° | SE 142° | S 169° | S 170° | S 183° | SSE 164° |
| Humidity (%) | 66.1 | 66.5 | 66.8 | 66.8 | 66.8 | 67.2 | 67.7 | 68.1 | 68.2 | 63.5 | 57.8 | 56.6 | 59.8 | 62.1 | 61.3 | 55.8 | 60.2 | 62.8 | 64.3 | 65.1 | 65.2 | 65.9 | 62.1 | 57.1 | 61.9 | 67.4 | 70.1 | 69.1 | 68.8 | 65.8 | 64.7 | 67.4 |
| Temp. (°C) | 10.5 | 10.6 | 10.4 | 10.5 | 10.5 | 10.3 | 10.0 | 9.7 | 9.3 | 9.3 | 9.3 | 9.0 | 8.9 | 8.8 | 8.8 | 9.0 | 8.8 | 9.1 | 9.2 | 9.2 | 9.6 | 9.8 | 9.9 | 9.5 | 9.3 | 9.6 | 10.5 | 10.8 | 10.8 | 10.9 | 10.6 | 10.1 |
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updated: 07:14:33 Tue CEST
- Wind speed (km/h)
- Wind direction (°deg)
- Temperature & Dew Point (°C)
- Humidity (%)
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