HLSK Grøtterud
Norway, 435m (AMSL) |SHOW ON MAP|
Hvittingfoss -.Grøtterud
hlskbakkestasjon(youknowit)gmail.com
06:15-18:38 (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
06:15-18:38 (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: 2025
Note: Calculated from yearly data where the average wind speed is more than 4km/h.
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Averages updated: 23:38:18 Sun CET
| Time | 15:45 | 16h | 16:15 | 16:30 | 16:45 | 17h | 17:15 | 17:30 | 17:45 | 18h | 18:15 | 18:30 | 18:45 | 19h | 19:15 | 19:30 | 19:45 | 20h | 20:15 | 20:30 | 20:45 | 21h | 21:15 | 21:30 | 21:45 | 22h | 22:15 | 22:30 | 22:45 | 23h | 23:15 | 23:30 |
| Speed | 7.5 | 7.2 | 7.8 | 7.8 | 8.9 | 8.1 | 7.8 | 6.4 | 6.1 | 5.3 | 5.6 | 3.9 | 2.2 | 3.9 | 3.3 | 3.6 | 3.3 | 3.3 | 3.3 | 3.9 | 3.9 | 3.1 | 3.3 | 2.8 | 2.2 | 3.1 | 2.8 | 3.1 | 3.1 | 3.6 | 3.3 | 3.6 |
| Gust (m/s) | 10.3 | 9.7 | 10.3 | 10.3 | 11.7 | 11.7 | 10.3 | 10 | 8.6 | 8.1 | 8.6 | 7.2 | 4.7 | 6.7 | 6.4 | 7.8 | 6.7 | 5.6 | 7.2 | 6.9 | 6.9 | 5.6 | 6.1 | 5.6 | 5.3 | 7.2 | 5.8 | 4.7 | 5.3 | 7.2 | 5.3 | 7.2 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | S 176° | S 178° | S 179° | S 177° | S 177° | S 179° | S 174° | S 175° | S 174° | SSE 167° | S 173° | SSE 164° | SSW 201° | SSW 207° | WSW 237° | SW 235° | SW 219° | SSE 162° | SW 224° | SSW 211° | SSW 194° | S 190° | S 183° | SSW 207° | SSW 208° | SSW 198° | SSW 193° | SSW 199° | SSW 203° | SW 229° | SW 215° | SSW 213° |
| Humidity (%) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Temp. (°C) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Time | 08h | 09h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h | 22h | 23h | Sun | 01h | 02h | 03h | 04h | 05h | 06h | 07h | 08h | 09h | 10h | 11h | 12h | 13h | 14h | 15h |
| Speed | 0.6 | 0.3 | 0.8 | 1.4 | 2.5 | 3.3 | 2.8 | 2.8 | 1.9 | 3.6 | 5.6 | 3.1 | 1.1 | 1.4 | 0.8 | 1.1 | 1.4 | 3.3 | 2.5 | 2.8 | 2.5 | 3.3 | 3.1 | 4.2 | 4.7 | 5.6 | 5.6 | 5.6 | 5.8 | 8.1 | 8.6 | 9.2 |
| Gust (m/s) | 2.8 | 1.7 | 2.5 | 3.3 | 5 | 6.7 | 5.8 | 5.3 | 4.4 | 6.7 | 8.3 | 5.8 | 4.2 | 3.1 | 2.5 | 3.1 | 5 | 7.2 | 6.7 | 7.8 | 5.3 | 6.7 | 7.5 | 7.2 | 8.1 | 8.1 | 8.1 | 8.1 | 9.2 | 11.7 | 11.7 | 11.9 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | NNW 328° | NNE 20° | SSW 207° | S 177° | SSE 156° | SSE 158° | SSE 155° | SSE 152° | ESE 119° | SSE 162° | S 171° | S 172° | S 174° | SSE 147° | S 181° | S 186° | SSW 198° | W 259° | WSW 246° | SSW 210° | SSE 162° | SSE 154° | S 173° | S 172° | S 175° | S 179° | S 181° | S 174° | S 174° | S 178° | S 181° | S 177° |
| Humidity (%) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Temp. (°C) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
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updated: 23:38:18 Sun CET
- Wind speed (m/s)
- Wind direction (°deg)
- Temperature & Dew Point (°C)
- Humidity (%)
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