HLSK Grøtterud
Norway, 435m (AMSL) |SHOW ON MAP|
Hvittingfoss -.Grøtterud
hlskbakkestasjon(youknowit)gmail.com
07:05-17:57 (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
07:05-17:57 (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: 1313
Note: Calculated from yearly data where the average wind speed is more than 4km/h.
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Averages updated: 00:17:21 Thu CET
| Time | 16:30 | 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 | Thu | 00:15 |
| Speed | 8 | 6 | 7 | 6 | 5 | 5 | 8 | 5 | 6 | 5 | 5 | 7 | 9 | 7 | 8 | 12 | 12 | 13 | 10 | 6 | 6 | 11 | 10 | 10 | 11 | 7 | 12 | 13 | 8 | 5 | 8 | 11 |
| Gust (km/h) | 13 | 10 | 11 | 12 | 12 | 11 | 14 | 8 | 12 | 14 | 14 | 18 | 17 | 16 | 19 | 26 | 23 | 25 | 21 | 16 | 18 | 21 | 18 | 20 | 23 | 19 | 22 | 26 | 17 | 16 | 18 | 25 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | S 184° | SSE 147° | SW 214° | SW 233° | WSW 249° | SW 231° | WSW 240° | WSW 258° | W 270° | W 281° | W 275° | W 281° | W 280° | W 277° | W 274° | W 279° | WNW 286° | WNW 287° | WNW 293° | W 271° | W 275° | NW 304° | WNW 298° | WNW 302° | WNW 300° | W 280° | WNW 300° | WNW 298° | WNW 286° | SW 228° | WNW 296° | WNW 293° |
| Humidity (%) | 58.8 | 59.3 | 55.9 | 56.3 | 56.1 | 59.1 | 60.0 | 61.1 | 61.3 | 61.9 | 60.1 | 58.7 | 58.0 | 59.0 | 58.7 | 53.4 | 49.1 | 48.8 | 49.5 | 48.0 | 47.7 | 46.5 | 44.9 | 45.4 | 46.5 | 44.4 | 41.9 | 41.8 | 37.6 | 40.8 | 44.8 | 42.2 |
| Temp. (°C) | 6.9 | 6.5 | 6.9 | 6.8 | 6.7 | 6.0 | 5.7 | 5.5 | 5.2 | 4.8 | 5.0 | 5.1 | 5.1 | 4.9 | 4.8 | 5.5 | 5.8 | 5.8 | 5.5 | 5.5 | 5.4 | 5.6 | 5.5 | 5.5 | 5.2 | 5.2 | 5.7 | 5.6 | 6.0 | 5.4 | 4.9 | 5.3 |
| Time | 09h | 10h | 11h | 12h | 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 |
| Speed | 7 | 13 | 12 | 14 | 16 | 15 | 14 | 13 | 10 | 13 | 12 | 10 | 7 | 5 | 7 | 6 | 5 | 8 | 10 | 9 | 14 | 13 | 15 | 11 | 8 | 4 | 11 | 7 | 4 | 7 | 7 | 7 |
| Gust (km/h) | 27 | 32 | 34 | 39 | 40 | 39 | 38 | 36 | 26 | 34 | 34 | 26 | 20 | 14 | 19 | 19 | 20 | 27 | 26 | 28 | 29 | 29 | 34 | 28 | 29 | 12 | 21 | 20 | 11 | 17 | 13 | 15 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | WSW 244° | WSW 249° | WSW 254° | W 264° | WSW 253° | WSW 258° | W 263° | WSW 251° | WSW 248° | W 265° | W 272° | W 267° | SW 230° | S 177° | SW 217° | S 169° | WSW 241° | W 261° | W 267° | W 273° | WNW 294° | WNW 296° | WNW 293° | W 275° | W 260° | SW 225° | SSE 155° | SE 125° | S 178° | SE 139° | SE 143° | S 170° |
| Humidity (%) | 99.5 | 98.6 | 87.4 | 65.4 | 57.0 | 51.4 | 49.8 | 51.0 | 52.1 | 55.7 | 58.4 | 60.2 | 63.9 | 66.7 | 67.7 | 73.6 | 66.0 | 59.0 | 57.1 | 56.8 | 60.1 | 60.0 | 58.4 | 61.1 | 64.4 | 67.9 | 73.5 | 73.0 | 67.8 | 71.0 | 65.4 | 63.1 |
| Temp. (°C) | 1.9 | 2.4 | 4.2 | 5.2 | 5.7 | 6.2 | 6.4 | 6.1 | 5.8 | 5.0 | 4.3 | 3.7 | 3.0 | 2.3 | 1.8 | 0.9 | 2.0 | 2.4 | 2.4 | 2.7 | 3.0 | 2.9 | 3.3 | 3.3 | 3.2 | 2.6 | 1.6 | 2.5 | 4.2 | 4.0 | 5.8 | 6.3 |
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updated: 00:17:21 Thu CET
- Wind speed (km/h)
- Wind direction (°deg)
- Temperature & Dew Point (°C)
- Humidity (%)
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