HLSK Grøtterud
Norway, 435m (AMSL) |SHOW ON MAP|
Hvittingfoss -.Grøtterud
hlskbakkestasjon(youknowit)gmail.com
07:55-17:12 (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
07:55-17:12 (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: 907
Note: Calculated from yearly data where the average wind speed is more than 4km/h.
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Averages updated: 17:46:56 Sun CET
| Time | 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 | 15:45 | 16h | 16:15 | 16:30 | 16:45 | 17h | 17:15 | 17:30 | 17:45 |
| Speed | 6 | 3 | 2 | 4 | 4 | 6 | 5 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 5 | 8 | 9 | 10 | 9 | 9 | 7 | 6 | 7 | 8 | 8 | 8 | 6 | 7 | 7 | 7 | 9 | 10 |
| Gust (km/h) | 11 | 7 | 6 | 7 | 8 | 11 | 8 | 7 | 8 | 11 | 8 | 8 | 9 | 8 | 8 | 13 | 13 | 14 | 13 | 13 | 9 | 10 | 11 | 12 | 12 | 11 | 9 | 9 | 9 | 10 | 12 | 13 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | SSE 159° | SSE 147° | ESE 104° | ESE 113° | ESE 112° | ESE 123° | ESE 117° | ESE 111° | SE 126° | ESE 119° | SE 129° | SE 136° | SE 134° | SE 138° | SSE 152° | S 170° | S 173° | S 175° | S 175° | S 171° | SSE 163° | SSE 167° | S 182° | SSE 164° | SSE 158° | SSE 158° | SSE 159° | SSE 160° | SSE 164° | SSE 165° | S 171° | S 175° |
| Humidity (%) | 96.3 | 96.2 | 96.2 | 96.3 | 96.3 | 96.5 | 96.4 | 96.4 | 96.4 | 96.6 | 96.6 | 96.7 | 96.7 | 96.9 | 96.9 | 96.9 | 96.9 | 97.1 | 97.1 | 97.3 | 97.3 | 97.4 | 97.5 | 97.5 | 97.6 | 97.7 | 97.7 | 97.7 | 97.7 | 97.7 | 97.7 | 97.9 |
| Temp. (°C) | -7.9 | -8.0 | -8.0 | -7.9 | -7.8 | -7.5 | -7.7 | -7.8 | -7.6 | -7.4 | -7.2 | -7.1 | -6.9 | -6.7 | -6.6 | -6.8 | -6.7 | -6.4 | -6.3 | -6.0 | -6.0 | -6.0 | -5.8 | -5.6 | -5.4 | -5.3 | -5.3 | -5.4 | -5.3 | -5.3 | -5.3 | -5.1 |
| Time | 02h | 03h | 04h | 05h | 06h | 07h | 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 |
| Speed | 4 | 6 | 7 | 7 | 7 | 4 | 5 | 4 | 1 | 2 | 3 | 4 | 4 | 3 | 3 | 3 | 4 | 5 | 4 | 2 | 3 | 2 | 2 | 5 | 6 | 6 | 7 | 8 | 10 | 9 | 8 | 8 |
| Gust (km/h) | 11 | 11 | 11 | 10 | 10 | 9 | 8 | 6 | 5 | 4 | 6 | 7 | 7 | 7 | 6 | 8 | 7 | 8 | 7 | 6 | 8 | 4 | 6 | 14 | 13 | 12 | 20 | 17 | 16 | 16 | 16 | 13 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | N 8° | NNE 20° | NNE 18° | NNE 21° | NNE 12° | N 354° | NNE 21° | NNE 24° | NNE 13° | NNW 347° | S 184° | E 87° | N 0° | N 0° | N 0° | NNW 348° | SSW 210° | SSW 210° | WSW 237° | WSW 250° | WSW 251° | WSW 251° | WSW 251° | SW 216° | WSW 255° | SSW 207° | SSW 207° | S 189° | SSW 193° | S 186° | S 179° | S 177° |
| Humidity (%) | 85.8 | 85.8 | 87.1 | 87.7 | 86.8 | 86.6 | 87.8 | 86.6 | 82.4 | 79.0 | 76.3 | 74.3 | 70.9 | 70.1 | 71.5 | 76.2 | 79.6 | 79.8 | 82.9 | 85.3 | 85.0 | 85.4 | 85.4 | 87.7 | 90.4 | 91.3 | 93.9 | 97.4 | 97.3 | 97.0 | 96.9 | 96.7 |
| Temp. (°C) | -10.8 | -10.9 | -11.2 | -11.3 | -11.2 | -11.3 | -11.5 | -11.1 | -9.8 | -9.5 | -9.1 | -8.7 | -8.2 | -8.4 | -8.7 | -9.5 | -10.4 | -10.6 | -10.6 | -10.7 | -10.2 | -10.2 | -10.4 | -10.3 | -8.4 | -8.5 | -8.6 | -8.2 | -8.1 | -8.0 | -8.0 | -8.0 |
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updated: 17:46:56 Sun CET
- Wind speed (km/h)
- Wind direction (°deg)
- Temperature & Dew Point (°C)
- Humidity (%)
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