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: 34920
Note: Calculated from yearly data where the average wind speed is more than 4km/h.
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Averages updated: 06:03:18 Wed CET
| Time | 22:15 | 22:30 | 22:45 | 23h | 23:15 | 23:30 | 23:45 | Wed | 00:15 | 00:30 | 00:45 | 01h | 01:15 | 01:30 | 01:45 | 02h | 02:15 | 02:30 | 02:45 | 03h | 03:15 | 03:30 | 03:45 | 04h | 04:15 | 04:30 | 04:45 | 05h | 05:15 | 05:30 | 05:45 | 06h |
| Speed | 0.6 | 1.1 | 1.1 | 1.4 | 1.4 | 1.7 | 0.8 | 1.1 | 1.4 | 1.1 | 1.7 | 1.1 | 1.1 | 1.1 | 1.1 | 0.3 | 1.7 | 1.1 | 1.1 | 0.8 | 0.8 | 1.1 | 1.1 | 0.8 | 0.3 | 0 | 0 | 0 | 0 | 0.6 | 0.8 | 0.6 |
| Gust (m/s) | 1.7 | 3.1 | 3.1 | 2.5 | 2.8 | 3.1 | 2.2 | 2.2 | 3.1 | 3.1 | 3.1 | 3.1 | 2.8 | 3.6 | 2.8 | 1.9 | 3.3 | 3.6 | 3.1 | 2.2 | 1.4 | 2.2 | 2.2 | 1.7 | 0.8 | 0 | 0 | 0 | 0 | 1.7 | 1.7 | 1.4 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | WSW 256° | WSW 244° | WSW 257° | SW 232° | SSW 199° | SSW 209° | SW 223° | SW 223° | WSW 247° | WSW 254° | WSW 240° | W 270° | WSW 245° | WNW 284° | NW 325° | WNW 300° | W 276° | WNW 289° | NW 309° | WNW 299° | WNW 301° | NW 306° | W 262° | WSW 252° | WSW 248° | WSW 248° | WSW 248° | WSW 248° | WSW 248° | W 265° | W 271° | N 4° |
| Humidity (%) | 97.7 | 97.8 | 97.7 | 97.6 | 97.6 | 97.5 | 97.5 | 97.7 | 97.7 | 97.5 | 97.4 | 97.5 | 97.5 | 97.5 | 97.4 | 97.3 | 97.2 | 97.1 | 96.9 | 96.8 | 96.7 | 96.2 | 95.9 | 96.4 | 96.7 | 96.5 | 96.9 | 97.0 | 96.7 | 95.7 | 95.2 | 94.4 |
| Temp. (°C) | -4.6 | -4.7 | -4.8 | -4.9 | -4.9 | -5.0 | -5.0 | -5.1 | -5.0 | -5.1 | -5.1 | -5.2 | -5.3 | -5.5 | -5.6 | -5.7 | -5.8 | -5.8 | -6.0 | -6.1 | -6.2 | -6.0 | -6.1 | -6.2 | -6.2 | -6.4 | -6.5 | -6.5 | -6.6 | -6.2 | -6.3 | -6.2 |
| Time | 15h | 16h | 17h | 18h | 19h | 20h | 21h | 22h | 23h | Tue | 01h | 02h | 03h | 04h | 05h | 06h | 07h | 08h | 09h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h | 22h |
| Speed | 1.4 | 2.2 | 3.6 | 3.1 | 1.9 | 2.2 | 2.8 | 2.2 | 2.8 | 3.1 | 2.8 | 2.8 | 3.1 | 3.1 | 2.8 | 2.5 | 1.9 | 2.8 | 2.8 | 2.2 | 2.2 | 2.2 | 1.7 | 1.4 | 1.7 | 1.4 | 1.1 | 0.6 | 0.6 | 0.8 | 0.8 | 0.6 |
| Gust (m/s) | 3.3 | 4.4 | 5.6 | 5 | 4.2 | 4.4 | 5.3 | 4.4 | 5.6 | 5.3 | 5.3 | 6.1 | 6.7 | 5.8 | 5.3 | 5.8 | 4.2 | 4.4 | 4.7 | 4.2 | 3.6 | 3.9 | 3.6 | 3.3 | 3.6 | 3.3 | 3.3 | 2.2 | 2.2 | 2.8 | 2.2 | 2.2 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | NE 47° | NNE 32° | NNE 26° | NNE 13° | NNE 18° | NNE 21° | N 8° | NNE 18° | NNE 21° | NE 35° | NE 36° | NNE 30° | NNE 31° | N 4° | N 2° | NNE 13° | NNE 18° | NNE 16° | NNE 14° | NNE 14° | NNE 25° | NNE 33° | NE 37° | NE 43° | NNE 17° | NNE 16° | NNE 27° | NNW 335° | NNW 332° | NNW 328° | WNW 293° | WSW 240° |
| Humidity (%) | 80.7 | 83.6 | 85.5 | 87.0 | 88.1 | 89.5 | 90.8 | 91.2 | 93.0 | 94.9 | 97.7 | 98.2 | 98.1 | 97.8 | 97.7 | 97.6 | 97.8 | 97.8 | 97.9 | 97.9 | 97.8 | 97.9 | 97.6 | 97.2 | 96.9 | 96.9 | 97.4 | 97.4 | 97.3 | 97.3 | 97.2 | 97.7 |
| Temp. (°C) | 0.6 | -0.8 | -1.5 | -1.4 | -1.4 | -1.7 | -2.3 | -2.2 | -3.0 | -3.5 | -4.1 | -4.3 | -4.2 | -4.2 | -3.8 | -3.8 | -3.7 | -3.6 | -3.5 | -3.5 | -3.5 | -3.4 | -3.5 | -3.7 | -3.9 | -4.0 | -3.8 | -3.8 | -3.9 | -4.2 | -4.4 | -4.6 |
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updated: 06:03:18 Wed CET
- Wind speed (m/s)
- Wind direction (°deg)
- Temperature & Dew Point (°C)
- Humidity (%)
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