HLSK Grøtterud
Norway, 1427ft (AMSL) |SHOW ON MAP|
Hvittingfoss -.Grøtterud
hlskbakkestasjon(youknowit)gmail.com
08:45-15:30 (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
08:45-15:30 (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: 34374
Note: Calculated from yearly data where the average wind speed is more than 4km/h.
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Averages updated: 15:39:44 Fri CET
| Time | 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 | 15:30 |
| Speed | 11.3 | 11.3 | 10.8 | 14 | 16.2 | 14 | 13.5 | 13.5 | 12.4 | 10.3 | 11.3 | 12.4 | 14 | 14 | 15.7 | 16.2 | 15.7 | 15.1 | 16.7 | 15.7 | 15.1 | 14.6 | 14.6 | 14.6 | 16.2 | 13.5 | 16.7 | 17.8 | 17.3 | 17.3 | 16.7 | 18.4 |
| Gust (knots) | 15.7 | 16.7 | 18.9 | 21.1 | 22.7 | 20.5 | 19.4 | 19.4 | 21.6 | 16.7 | 21.6 | 22.1 | 21.1 | 23.2 | 27 | 24.3 | 28.1 | 25.4 | 29.2 | 29.2 | 24.3 | 22.7 | 23.8 | 24.3 | 28.1 | 23.8 | 26.5 | 29.7 | 29.7 | 25.4 | 26.5 | 29.2 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | S 190° | S 189° | S 189° | S 186° | S 184° | S 187° | S 185° | SSW 195° | SSW 192° | SSW 197° | SSW 198° | SSW 192° | SSW 194° | SSW 192° | SSW 203° | SSW 194° | SSW 195° | SSW 196° | SSW 197° | SSW 204° | SSW 193° | SSW 199° | SSW 208° | SSW 201° | SSW 202° | SSW 203° | SSW 196° | S 190° | SSW 192° | S 189° | SSW 200° | SSW 194° |
| Humidity (%) | 97.5 | 98.7 | 98.7 | 97.9 | 97.1 | 97.8 | 98.7 | 98.0 | 96.9 | 97.8 | 96.9 | 96.7 | 96.2 | 96.1 | 95.1 | 95.4 | 95.4 | 94.8 | 93.6 | 92.7 | 93.5 | 93.0 | 94.1 | 94.8 | 93.1 | 93.4 | 92.8 | 92.1 | 91.5 | 90.8 | 90.5 | 91.4 |
| Temp. (°C) | 5.2 | 4.7 | 4.3 | 4.5 | 4.6 | 4.4 | 4.2 | 4.3 | 4.5 | 4.3 | 4.5 | 4.6 | 4.6 | 4.7 | 4.8 | 4.7 | 4.9 | 5.0 | 5.1 | 5.3 | 5.2 | 5.3 | 5.1 | 5.1 | 5.2 | 5.2 | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 | 5.4 |
| Time | Thu | 01h | 02h | 03h | 04h | 05h | 06h | 07h | 08h | 09h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h | 22h | 23h | Fri | 01h | 02h | 03h | 04h | 05h | 06h | 07h |
| Speed | 13.5 | 10.8 | 18.4 | 18.4 | 18.4 | 17.3 | 17.3 | 17.3 | 13.5 | 16.2 | 16.7 | 15.7 | 13.5 | 13.5 | 10.3 | 5.9 | 3.8 | 4.3 | 3.2 | 2.7 | 2.7 | 3.2 | 3.8 | 8.6 | 9.2 | 10.3 | 10.8 | 12.4 | 10.8 | 9.7 | 8.1 | 8.6 |
| Gust (knots) | 21.6 | 23.8 | 27.5 | 25.9 | 28.1 | 25.4 | 25.4 | 28.1 | 24.8 | 25.4 | 25.9 | 25.4 | 21.6 | 22.1 | 18.4 | 10.3 | 10.8 | 10.8 | 7.6 | 9.7 | 9.2 | 11.3 | 11.3 | 18.4 | 18.4 | 18.4 | 21.1 | 22.7 | 21.1 | 20.5 | 19.4 | 15.1 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | S 189° | S 184° | S 186° | S 187° | S 186° | S 189° | S 189° | S 189° | SSW 193° | S 190° | S 190° | S 186° | S 188° | S 191° | SSW 194° | SSW 196° | SW 227° | W 261° | WSW 245° | SW 229° | SW 214° | S 190° | S 179° | S 186° | S 188° | S 187° | SSW 193° | S 187° | S 188° | SSW 200° | SSW 194° | SSW 192° |
| Humidity (%) | 98.3 | 98.6 | 99.1 | 99.1 | 99.1 | 99.2 | 99.1 | 99.0 | 98.6 | 97.8 | 98.3 | 98.6 | 98.6 | 98.6 | 98.6 | 98.6 | 98.5 | 98.6 | 98.6 | 98.6 | 98.5 | 98.1 | 97.6 | 98.0 | 97.9 | 98.0 | 97.9 | 97.8 | 97.8 | 97.8 | 97.3 | 97.0 |
| Temp. (°C) | -1.2 | -0.9 | -0.5 | 0.0 | 0.3 | 0.8 | 1.6 | 2.1 | 2.4 | 2.9 | 3.3 | 3.7 | 4.1 | 4.6 | 5.1 | 5.4 | 5.6 | 5.1 | 4.6 | 4.7 | 4.4 | 4.9 | 5.2 | 5.6 | 5.8 | 6.2 | 6.9 | 7.2 | 7.5 | 7.2 | 6.7 | 6.1 |
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updated: 15:39:44 Fri CET
- Wind speed (knots)
- Wind direction (°deg)
- Temperature & Dew Point (°C)
- Humidity (%)
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