HLSK Grøtterud
Norway, 1427ft (AMSL) |SHOW ON MAP|
Hvittingfoss -.Grøtterud
hlskbakkestasjon(youknowit)gmail.com
06:59-18:02 (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
06:59-18:02 (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: 1377
Note: Calculated from yearly data where the average wind speed is more than 4km/h.
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Averages updated: 14:15:21 Sat CET
| Time | 06:30 | 06:45 | 07h | 07:15 | 07:30 | 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 |
| Speed | 3.7 | 1.2 | 1.9 | 2.5 | 2.5 | 3.1 | 3.7 | 1.2 | 1.2 | 1.9 | 3.7 | 2.5 | 1.2 | 1.2 | 0.6 | 0.6 | 0.6 | 3.7 | 0.6 | 3.7 | 1.2 | 2.5 | 3.1 | 2.5 | 3.1 | 3.1 | 3.1 | 2.5 | 0.6 | 1.9 | 1.2 | 1.9 |
| Gust (mph) | 6.8 | 3.1 | 4.3 | 4.3 | 4.3 | 6.2 | 6.2 | 5.6 | 3.7 | 5 | 6.8 | 5 | 3.7 | 5 | 3.7 | 1.9 | 3.7 | 6.2 | 6.2 | 6.8 | 4.3 | 5 | 8.7 | 6.8 | 6.8 | 8.1 | 5.6 | 6.2 | 3.7 | 5 | 3.7 | 5 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | NNE 27° | NNE 21° | NNE 12° | N 7° | NNE 16° | N 4° | N 354° | N 353° | NNW 343° | NNW 348° | NW 326° | NW 318° | NNW 327° | NNW 341° | N 356° | N 356° | N 356° | NNW 335° | NNW 334° | N 360° | NW 309° | W 265° | NNW 335° | NNW 347° | NE 47° | NNE 29° | NE 40° | N 10° | NNE 32° | NNE 22° | NE 40° | NNE 16° |
| Humidity (%) | 98.1 | 98.1 | 98.1 | 97.9 | 97.4 | 96.9 | 96.7 | 96.7 | 97.3 | 97.5 | 97.4 | 97.3 | 97.3 | 97.5 | 97.6 | 97.9 | 98.0 | 98.1 | 98.0 | 98.0 | 98.0 | 98.2 | 98.3 | 97.7 | 97.1 | 97.4 | 97.6 | 97.6 | 97.0 | 96.3 | 96.5 | 96.5 |
| Temp. (°C) | 2.2 | 2.2 | 2.3 | 2.5 | 2.6 | 2.8 | 2.9 | 2.9 | 2.8 | 2.8 | 2.9 | 3.0 | 3.0 | 2.9 | 2.8 | 2.8 | 2.6 | 2.7 | 2.8 | 2.8 | 2.9 | 2.3 | 2.9 | 3.6 | 3.8 | 3.7 | 3.6 | 3.7 | 4.0 | 3.9 | 3.8 | 3.8 |
| Time | 23h | Fri | 01h | 02h | 03h | 04h | 05h | 06h | 07h | 08h | 09h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h | 22h | 23h | Sat | 01h | 02h | 03h | 04h | 05h | 06h |
| Speed | 3.1 | 3.7 | 3.1 | 2.5 | 3.1 | 3.1 | 4.3 | 3.7 | 3.1 | 3.7 | 3.7 | 4.3 | 6.8 | 6.2 | 5 | 6.2 | 6.2 | 4.3 | 4.3 | 3.7 | 1.2 | 1.2 | 1.9 | 1.2 | 1.9 | 1.2 | 0.6 | 1.9 | 1.9 | 2.5 | 3.7 | 6.2 |
| Gust (mph) | 8.1 | 12.4 | 13 | 7.4 | 9.3 | 9.9 | 8.7 | 9.9 | 6.8 | 9.3 | 9.3 | 11.8 | 16.7 | 13 | 11.8 | 11.2 | 13 | 9.9 | 6.8 | 6.8 | 5 | 5 | 3.7 | 3.1 | 5 | 3.7 | 3.7 | 6.8 | 5 | 6.8 | 8.7 | 10.5 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | W 265° | W 276° | WSW 252° | WSW 258° | W 264° | W 265° | W 262° | W 264° | WSW 252° | W 266° | W 267° | W 264° | WSW 249° | WSW 249° | SSE 163° | SSE 149° | SSE 151° | SE 128° | SE 138° | SE 144° | SW 218° | ESE 121° | SSE 159° | SSE 159° | E 91° | ESE 123° | NE 56° | NW 323° | N 3° | N 1° | NNE 23° | N 2° |
| Humidity (%) | 80.3 | 81.7 | 82.0 | 85.7 | 86.4 | 88.0 | 86.8 | 89.1 | 90.4 | 88.6 | 83.9 | 81.5 | 82.1 | 79.9 | 80.7 | 80.6 | 80.6 | 80.2 | 80.2 | 79.8 | 81.4 | 83.5 | 83.7 | 84.2 | 86.6 | 88.0 | 89.2 | 90.7 | 92.5 | 96.4 | 98.0 | 98.2 |
| Temp. (°C) | 5.7 | 5.5 | 5.3 | 4.5 | 4.5 | 4.1 | 4.7 | 4.2 | 3.7 | 4.0 | 4.8 | 5.3 | 5.7 | 6.6 | 6.2 | 6.5 | 6.4 | 6.3 | 6.0 | 5.7 | 5.6 | 5.3 | 5.5 | 5.6 | 4.5 | 4.0 | 3.6 | 3.6 | 3.4 | 2.7 | 2.0 | 1.8 |
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updated: 14:15:21 Sat CET
- Wind speed (mph)
- Wind direction (°deg)
- Temperature & Dew Point (°C)
- Humidity (%)
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