HLSK Grøtterud
Norway, 435m (AMSL) |SHOW ON MAP|
Hvittingfoss -.Grøtterud
hlskbakkestasjon(youknowit)gmail.com
09:18-15:22 (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
09:18-15:22 (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: 35014
Note: Calculated from yearly data where the average wind speed is more than 4km/h.
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Averages updated: 23:15:54 Fri CET
| Time | 15:30 | 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 |
| Speed | 5 | 8 | 8 | 7 | 7 | 5 | 6 | 5 | 5 | 4 | 3 | 5 | 5 | 4 | 5 | 7 | 8 | 9 | 10 | 15 | 14 | 15 | 14 | 16 | 15 | 15 | 13 | 16 | 17 | 18 | 19 | 23 |
| Gust (km/h) | 10 | 11 | 12 | 11 | 10 | 10 | 12 | 10 | 11 | 13 | 10 | 12 | 15 | 13 | 13 | 15 | 16 | 21 | 19 | 29 | 35 | 31 | 30 | 31 | 26 | 34 | 24 | 29 | 31 | 32 | 37 | 38 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | SW 219° | WSW 240° | WSW 241° | SW 228° | WSW 241° | WSW 254° | W 268° | W 265° | W 269° | WNW 283° | W 275° | W 265° | W 268° | W 280° | W 277° | W 281° | W 279° | W 277° | W 280° | W 279° | WNW 286° | WNW 300° | WNW 285° | WNW 286° | W 278° | WNW 282° | W 278° | WNW 284° | W 281° | WNW 285° | WNW 289° | WNW 300° |
| Humidity (%) | 47.9 | 48.1 | 46.0 | 48.5 | 51.1 | 51.8 | 48.2 | 48.9 | 49.2 | 48.8 | 49.2 | 50.2 | 51.4 | 51.7 | 50.2 | 49.9 | 50.8 | 53.1 | 51.4 | 47.6 | 45.6 | 42.4 | 41.9 | 40.7 | 40.3 | 40.6 | 41.2 | 41.4 | 41.4 | 42.0 | 42.5 | 42.8 |
| Temp. (°C) | 8.7 | 8.7 | 9.3 | 8.6 | 8.1 | 8.1 | 9.3 | 9.2 | 9.4 | 9.7 | 9.7 | 9.6 | 9.6 | 9.7 | 10.3 | 10.7 | 10.5 | 10.1 | 10.8 | 11.8 | 11.9 | 12.5 | 12.5 | 12.6 | 12.6 | 12.5 | 12.2 | 12.2 | 12.1 | 12.0 | 12.1 | 11.9 |
| Time | 08h | 09h | 10h | 11h | 12h | 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 |
| Speed | 3 | 3 | 2 | 4 | 4 | 6 | 2 | 2 | 4 | 3 | 6 | 5 | 3 | 7 | 4 | 6 | 4 | 3 | 8 | 14 | 11 | 8 | 7 | 5 | 4 | 4 | 4 | 4 | 5 | 3 | 2 | 4 |
| Gust (km/h) | 12 | 12 | 6 | 11 | 11 | 12 | 11 | 9 | 11 | 6 | 10 | 12 | 8 | 19 | 13 | 13 | 12 | 14 | 19 | 24 | 19 | 18 | 17 | 13 | 11 | 10 | 12 | 9 | 11 | 8 | 6 | 9 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | W 277° | ESE 103° | NE 44° | WNW 287° | WNW 295° | WNW 297° | N 359° | W 259° | WSW 240° | S 184° | WNW 297° | W 268° | SSE 166° | WNW 286° | NW 320° | NW 315° | W 272° | NW 314° | NW 311° | NNW 328° | NNW 327° | NW 318° | NW 309° | NW 315° | NW 307° | W 263° | NNW 328° | WSW 249° | WSW 243° | WSW 237° | S 185° | SW 221° |
| Humidity (%) | 72.1 | 71.3 | 72.9 | 65.9 | 54.1 | 50.9 | 57.7 | 50.9 | 46.4 | 41.2 | 43.1 | 40.6 | 40.9 | 44.1 | 43.0 | 41.8 | 43.7 | 44.1 | 40.9 | 36.7 | 32.3 | 33.4 | 37.9 | 37.2 | 35.4 | 37.7 | 38.2 | 39.5 | 38.1 | 36.9 | 45.0 | 45.4 |
| Temp. (°C) | 1.2 | 1.5 | 1.5 | 3.5 | 5.4 | 5.7 | 4.3 | 5.8 | 6.7 | 8.0 | 7.3 | 8.1 | 9.4 | 10.2 | 11.3 | 12.1 | 11.5 | 11.4 | 12.1 | 12.6 | 13.1 | 12.6 | 11.3 | 11.3 | 11.9 | 11.1 | 11.0 | 10.8 | 11.7 | 12.5 | 10.7 | 9.9 |
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updated: 23:15:54 Fri CET
- Wind speed (km/h)
- Wind direction (°deg)
- Temperature & Dew Point (°C)
- Humidity (%)
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