HLSK Grøtterud
Norway, 435m (AMSL) |SHOW ON MAP|
Hvittingfoss -.Grøtterud
hlskbakkestasjon(youknowit)gmail.com
09:05-15:19 (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
09:05-15:19 (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: 34553
Note: Calculated from yearly data where the average wind speed is more than 4km/h.
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Averages updated: 00:35:20 Tue CET
| Time | 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 | 23:30 | 23:45 | Tue | 00:15 | 00:30 |
| Speed | 5.3 | 3.9 | 2.8 | 3.1 | 3.3 | 3.1 | 1.7 | 0.3 | 0.6 | 0.6 | 1.4 | 1.1 | 1.9 | 0.6 | 0.6 | 0.6 | 0.3 | 0.3 | 0 | 0 | 0.6 | 0.6 | 0.6 | 0.3 | 0.3 | 0.6 | 0.6 | 0.6 | 0.6 | 0.3 | 0.6 | 0.6 |
| Gust (m/s) | 7.2 | 6.9 | 5 | 5.8 | 5.3 | 5.6 | 4.4 | 1.4 | 2.5 | 2.2 | 2.5 | 3.1 | 3.3 | 3.1 | 1.7 | 1.7 | 1.1 | 1.1 | 0.6 | 0 | 1.7 | 1.7 | 1.7 | 1.1 | 1.4 | 1.4 | 1.4 | 1.7 | 1.9 | 1.9 | 1.4 | 2.2 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | NNW 335° | NNW 330° | NW 325° | NW 323° | NNW 327° | NNW 334° | NNW 336° | SSE 167° | NW 326° | NW 308° | NW 306° | WNW 302° | NW 317° | NW 309° | WNW 288° | W 278° | WNW 285° | WNW 283° | WNW 283° | WNW 283° | WNW 283° | W 281° | WNW 282° | WNW 284° | W 281° | W 260° | W 264° | W 270° | W 274° | WNW 289° | W 268° | WSW 254° |
| Humidity (%) | 98.2 | 98.2 | 98.2 | 98.3 | 98.3 | 98.3 | 98.3 | 98.5 | 98.5 | 98.5 | 98.5 | 98.5 | 98.5 | 98.5 | 98.4 | 98.3 | 98.2 | 98.2 | 98.2 | 98.2 | 98.2 | 98.3 | 98.3 | 98.3 | 98.4 | 98.4 | 98.4 | 98.4 | 98.4 | 98.4 | 98.3 | 98.2 |
| Temp. (°C) | 2.2 | 2.2 | 2.1 | 2.0 | 1.9 | 2.0 | 1.9 | 1.7 | 1.8 | 1.9 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.9 | 1.8 | 1.7 | 1.7 | 1.8 | 1.6 | 1.5 | 1.4 | 1.4 | 1.4 | 1.3 | 1.3 | 1.2 | 1.2 | 1.1 | 1.2 | 1.2 |
| Time | 09h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h | 22h | 23h | Mon | 01h | 02h | 03h | 04h | 05h | 06h | 07h | 08h | 09h | 10h | 11h | 12h | 13h | 14h | 15h | 16h |
| Speed | 2.8 | 2.2 | 2.8 | 3.1 | 2.8 | 3.1 | 3.3 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.3 | 3.6 | 4.2 | 4.2 | 4.2 | 4.4 | 4.2 | 4.2 | 4.4 | 4.4 | 4.7 | 5.6 | 7.8 | 8.9 | 7.8 | 7.2 | 6.1 | 4.7 | 5.8 |
| Gust (m/s) | 4.7 | 4.2 | 4.4 | 5 | 4.4 | 5 | 5.6 | 5.8 | 5.3 | 5.8 | 5.6 | 5.3 | 5.8 | 5.3 | 5.3 | 5.8 | 5.8 | 6.7 | 6.9 | 6.7 | 7.2 | 7.2 | 10.8 | 10 | 9.7 | 12.5 | 15.3 | 13.1 | 11.7 | 9.7 | 9.4 | 9.2 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | NE 50° | NE 49° | NNE 27° | NE 34° | NE 36° | NE 43° | NE 36° | NE 40° | NE 41° | NE 43° | NE 44° | NE 41° | NE 39° | NE 35° | NE 34° | NE 37° | NNE 31° | NNE 33° | NE 37° | NE 52° | ENE 65° | E 89° | ESE 115° | ESE 114° | E 97° | ENE 57° | NE 44° | NNE 30° | NNE 19° | N 4° | NNW 335° | NW 320° |
| Humidity (%) | 99.0 | 99.1 | 99.1 | 99.0 | 98.9 | 99.0 | 99.0 | 99.0 | 99.0 | 99.0 | 98.9 | 98.9 | 98.9 | 98.9 | 98.9 | 98.9 | 99.0 | 98.9 | 98.9 | 98.9 | 98.8 | 98.7 | 98.7 | 98.7 | 98.8 | 98.8 | 98.7 | 98.6 | 98.6 | 98.5 | 98.4 | 98.4 |
| Temp. (°C) | 0.7 | 0.5 | 0.7 | 0.9 | 1.0 | 1.2 | 1.2 | 1.3 | 1.3 | 1.3 | 1.4 | 1.5 | 1.5 | 1.6 | 1.6 | 1.7 | 1.8 | 2.0 | 2.1 | 2.5 | 2.9 | 3.5 | 3.7 | 3.7 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.1 | 2.9 | 2.2 |
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updated: 00:35:20 Tue CET
- Wind speed (m/s)
- Wind direction (°deg)
- Temperature & Dew Point (°C)
- Humidity (%)
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