HLSK Grøtterud
Norway, 435m (AMSL) |SHOW ON MAP|
Hvittingfoss -.Grøtterud
hlskbakkestasjon(youknowit)gmail.com
09:18-15:21 (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
09:18-15:21 (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: 34971
Note: Calculated from yearly data where the average wind speed is more than 4km/h.
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Averages updated: 18:46:00 Thu CET
| Time | 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 | 15:45 | 16h | 16:15 | 16:30 | 16:45 | 17h | 17:15 | 17:30 | 17:45 | 18h | 18:15 | 18:30 | 18:45 |
| Speed | 4 | 6 | 5 | 2 | 2 | 6 | 5 | 6 | 7 | 0 | 1 | 3 | 4 | 1 | 1 | 3 | 4 | 5 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 6 | 7 | 4 | 5 | 3 | 4 | 6 |
| Gust (km/h) | 8 | 11 | 10 | 8 | 6 | 9 | 8 | 11 | 12 | 2 | 3 | 8 | 11 | 6 | 6 | 6 | 9 | 11 | 9 | 8 | 6 | 5 | 6 | 5 | 6 | 10 | 10 | 8 | 9 | 9 | 8 | 11 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | WNW 282° | WNW 283° | WNW 289° | NE 34° | SSE 157° | WSW 258° | WSW 258° | NW 313° | NE 34° | NE 35° | NE 35° | NNW 348° | WSW 256° | ESE 113° | WSW 243° | WSW 258° | NNE 20° | WSW 254° | W 264° | WSW 256° | S 175° | E 91° | SSE 159° | SW 229° | SW 229° | WSW 248° | WSW 254° | NW 323° | NNE 23° | W 263° | WNW 283° | W 275° |
| Humidity (%) | 62.3 | 59.2 | 57.0 | 51.0 | 49.2 | 51.7 | 51.1 | 46.9 | 53.7 | 56.7 | 56.6 | 61.3 | 56.3 | 56.2 | 49.5 | 50.0 | 47.8 | 46.8 | 49.9 | 44.8 | 44.0 | 40.9 | 40.2 | 41.4 | 42.1 | 49.2 | 46.8 | 39.0 | 37.3 | 39.4 | 39.0 | 41.1 |
| Temp. (°C) | 4.4 | 4.8 | 4.9 | 5.9 | 6.1 | 5.5 | 5.6 | 6.4 | 5.2 | 4.5 | 4.5 | 3.6 | 4.7 | 4.7 | 6.0 | 5.9 | 6.4 | 6.6 | 5.9 | 7.0 | 7.2 | 8.1 | 8.3 | 7.8 | 7.6 | 5.9 | 6.4 | 8.0 | 8.7 | 8.2 | 8.4 | 8.0 |
| Time | 03h | 04h | 05h | 06h | 07h | 08h | 09h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h | 22h | 23h | Thu | 01h | 02h | 03h | 04h | 05h | 06h | 07h | 08h | 09h | 10h |
| Speed | 4 | 4 | 0 | 2 | 2 | 3 | 4 | 3 | 1 | 5 | 4 | 2 | 4 | 4 | 2 | 3 | 3 | 2 | 4 | 5 | 4 | 3 | 3 | 5 | 4 | 4 | 4 | 4 | 2 | 3 | 3 | 2 |
| Gust (km/h) | 13 | 8 | 3 | 6 | 6 | 10 | 11 | 8 | 8 | 13 | 13 | 8 | 13 | 13 | 7 | 7 | 8 | 6 | 9 | 11 | 8 | 9 | 9 | 10 | 13 | 12 | 12 | 14 | 10 | 12 | 12 | 6 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | WNW 293° | W 280° | WSW 248° | W 281° | NE 54° | WNW 299° | N 351° | NW 308° | NE 40° | NW 317° | N 349° | WNW 292° | NW 309° | NNW 336° | WNW 302° | NW 315° | N 7° | N 349° | WNW 282° | W 270° | W 266° | W 269° | W 281° | WSW 254° | WSW 254° | W 265° | W 281° | W 279° | NNW 333° | W 277° | ESE 103° | NE 44° |
| Humidity (%) | 97.0 | 96.3 | 96.8 | 95.5 | 95.7 | 92.0 | 87.2 | 85.8 | 88.6 | 77.5 | 70.0 | 69.2 | 62.0 | 56.3 | 55.2 | 51.6 | 52.1 | 54.6 | 57.0 | 54.9 | 51.4 | 55.4 | 61.2 | 70.1 | 64.3 | 61.3 | 67.8 | 67.4 | 69.3 | 72.1 | 71.3 | 72.9 |
| Temp. (°C) | -5.9 | -6.1 | -6.4 | -6.3 | -6.4 | -5.7 | -3.9 | -4.1 | -3.9 | -1.4 | -0.1 | 0.1 | 0.7 | 0.4 | 0.3 | 1.0 | 0.7 | 0.0 | 0.0 | 1.2 | 1.9 | 1.3 | 0.6 | -1.0 | 0.1 | 0.8 | 0.0 | 0.7 | 0.2 | 1.2 | 1.5 | 1.5 |
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updated: 18:46:00 Thu CET
- Wind speed (km/h)
- Wind direction (°deg)
- Temperature & Dew Point (°C)
- Humidity (%)
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