HLSK Grøtterud
Norway, 435m (AMSL) |SHOW ON MAP|
Hvittingfoss -.Grøtterud
hlskbakkestasjon(youknowit)gmail.com
09:03-15:55 (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
09:03-15:55 (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: 300
Note: Calculated from yearly data where the average wind speed is more than 4km/h.
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Averages updated: 04:24:03 Thu CET
| Time | 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 | Thu | 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 |
| Speed | 5 | 6 | 5 | 6 | 7 | 6 | 5 | 4 | 3 | 3 | 4 | 4 | 6 | 5 | 7 | 5 | 4 | 5 | 6 | 5 | 6 | 6 | 4 | 4 | 3 | 4 | 6 | 7 | 7 | 7 | 8 | 8 |
| Gust (km/h) | 12 | 11 | 11 | 11 | 14 | 11 | 10 | 8 | 8 | 7 | 8 | 8 | 12 | 13 | 12 | 10 | 8 | 10 | 10 | 8 | 9 | 9 | 8 | 7 | 5 | 6 | 8 | 11 | 11 | 13 | 12 | 11 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | WSW 256° | W 268° | W 268° | W 270° | W 273° | W 271° | W 276° | W 278° | W 266° | WNW 283° | W 275° | W 260° | W 266° | W 265° | W 268° | W 266° | WSW 254° | W 265° | W 266° | W 264° | WSW 247° | WSW 247° | SW 218° | SW 215° | SW 232° | WSW 248° | W 271° | W 269° | WSW 251° | WSW 254° | SW 231° | SW 218° |
| Humidity (%) | 95.5 | 95.0 | 94.7 | 94.6 | 93.6 | 93.7 | 93.5 | 92.9 | 92.3 | 92.5 | 92.5 | 94.3 | 93.8 | 92.9 | 93.8 | 92.6 | 93.2 | 92.8 | 92.1 | 87.5 | 89.4 | 89.0 | 87.9 | 87.6 | 88.6 | 86.6 | 85.7 | 86.5 | 88.0 | 88.7 | 87.9 | 87.2 |
| Temp. (°C) | -2.9 | -2.6 | -2.3 | -2.0 | -1.8 | -1.9 | -1.7 | -1.7 | -1.4 | -1.7 | -1.6 | -2.3 | -2.2 | -1.8 | -2.3 | -2.0 | -2.1 | -1.9 | -1.6 | -0.9 | -1.3 | -1.4 | -1.3 | -1.3 | -1.5 | -1.1 | -0.7 | -0.7 | -0.8 | -0.9 | -0.8 | -0.6 |
| Time | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h | 22h | 23h | Wed | 01h | 02h | 03h | 04h | 05h | 06h | 07h | 08h | 09h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h |
| Speed | 6 | 5 | 5 | 5 | 4 | 3 | 3 | 4 | 6 | 8 | 11 | 14 | 13 | 13 | - | - | - | - | - | - | - | - | - | - | - | 2 | 5 | 5 | 3 | 4 | 3 | 4 |
| Gust (km/h) | 13 | 13 | 11 | 13 | 10 | 9 | 11 | 12 | 13 | 16 | 20 | 20 | 19 | 21 | - | - | - | - | - | - | - | - | - | - | - | 11 | 11 | 15 | 9 | 9 | 10 | 9 |
| Direction | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||
| Direction Deg. | NNE 28° | NE 36° | NE 37° | NNE 33° | NNE 20° | N 9° | NNE 28° | NNE 21° | NNE 26° | NNE 27° | NNE 27° | NNE 29° | NNE 23° | NNE 23° | - - | - - | - - | - - | - - | - - | - - | - - | - - | - - | - - | S 187° | NW 320° | W 274° | W 278° | W 266° | W 271° | WSW 256° |
| Humidity (%) | 96.7 | 96.9 | 97.0 | 97.0 | 97.0 | 97.1 | 97.1 | 97.2 | 97.3 | 97.4 | 97.4 | 97.5 | 97.7 | 97.8 | - | - | - | - | - | - | - | - | - | - | - | 98.3 | 98.2 | 97.0 | 96.5 | 96.1 | 96.1 | 95.9 |
| Temp. (°C) | -5.5 | -5.2 | -5.1 | -5.1 | -5.0 | -4.8 | -4.9 | -4.7 | -4.6 | -4.5 | -4.3 | -4.1 | -3.9 | -3.7 | - | - | - | - | - | - | - | - | - | - | - | -2.1 | -2.5 | -2.9 | -3.3 | -3.3 | -3.2 | -3.2 |
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updated: 04:24:03 Thu CET
- Wind speed (km/h)
- Wind direction (°deg)
- Temperature & Dew Point (°C)
- Humidity (%)
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