HLSK Grøtterud
Norway, 435m (AMSL) |SHOW ON MAP|
Hvittingfoss -.Grøtterud
hlskbakkestasjon(youknowit)gmail.com
07:11-17:52 (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
07:11-17:52 (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: 1286
Note: Calculated from yearly data where the average wind speed is more than 4km/h.
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Averages updated: 23:53:06 Tue CET
| Time | 16h | 16:15 | 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 |
| Speed | 6 | 9 | 8 | 11 | 10 | 11 | 13 | 14 | 13 | 14 | 12 | 13 | 10 | 10 | 11 | 11 | 7 | 8 | 8 | 7 | 5 | 5 | 5 | 6 | 5 | 6 | 9 | 6 | 7 | 5 | 7 | 8 |
| Gust (km/h) | 19 | 24 | 19 | 21 | 26 | 25 | 28 | 34 | 32 | 34 | 26 | 31 | 21 | 22 | 25 | 26 | 16 | 19 | 19 | 20 | 12 | 13 | 14 | 9 | 11 | 15 | 19 | 14 | 14 | 11 | 16 | 19 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | SW 226° | WSW 258° | WSW 238° | WSW 237° | W 260° | W 263° | W 260° | W 263° | W 274° | W 277° | W 267° | W 275° | W 269° | W 265° | W 270° | W 273° | W 260° | WSW 246° | WSW 249° | WSW 244° | S 171° | S 177° | S 169° | SE 124° | WSW 243° | W 262° | WSW 248° | S 190° | S 169° | SSE 151° | SSE 155° | S 172° |
| Humidity (%) | 50.9 | 51.1 | 51.2 | 52.7 | 53.5 | 53.5 | 54.4 | 56.8 | 58.0 | 57.1 | 58.3 | 58.7 | 59.4 | 59.4 | 59.5 | 60.1 | 61.6 | 63.1 | 63.3 | 63.6 | 65.6 | 66.8 | 66.3 | 68.6 | 65.1 | 65.8 | 65.0 | 67.9 | 72.1 | 74.2 | 74.8 | 75.3 |
| Temp. (°C) | 6.3 | 6.1 | 6.0 | 5.6 | 5.6 | 5.5 | 5.2 | 4.7 | 4.4 | 4.5 | 4.3 | 4.2 | 4.0 | 3.9 | 3.8 | 3.7 | 3.4 | 3.1 | 3.2 | 3.1 | 2.6 | 2.4 | 2.4 | 2.1 | 2.4 | 2.1 | 2.3 | 1.8 | 1.1 | 0.7 | 0.7 | 0.7 |
| Time | 08h | 09h | 10h | 11h | 12h | 13h | 14h | 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 |
| Speed | 3 | 3 | 3 | 4 | 4 | 4 | 8 | 7 | 5 | 7 | 7 | 11 | 11 | 12 | 16 | 14 | 14 | 20 | 24 | 21 | 24 | 15 | 12 | 7 | 11 | 7 | 13 | 12 | 14 | 16 | 15 | 14 |
| Gust (km/h) | 9 | 8 | 7 | 8 | 7 | 9 | 14 | 13 | 11 | 11 | 16 | 22 | 20 | 26 | 27 | 26 | 24 | 31 | 39 | 34 | 34 | 30 | 24 | 22 | 24 | 27 | 32 | 34 | 39 | 40 | 39 | 38 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | NE 53° | E 92° | ESE 104° | SE 129° | SE 137° | SE 140° | SSE 168° | SE 134° | SE 141° | SE 133° | ESE 120° | SSE 151° | SSE 155° | S 170° | S 182° | S 183° | S 186° | S 181° | S 187° | S 188° | S 186° | S 186° | S 187° | SW 224° | SW 227° | WSW 244° | WSW 249° | WSW 254° | W 264° | WSW 253° | WSW 258° | W 263° |
| Humidity (%) | 95.1 | 98.4 | 98.6 | 98.8 | 98.9 | 99.0 | 99.0 | 99.0 | 99.1 | 99.2 | 99.2 | 99.2 | 99.3 | 99.3 | 99.3 | 99.4 | 99.3 | 99.4 | 99.5 | 99.5 | 99.6 | 99.6 | 99.5 | 99.4 | 99.5 | 99.5 | 98.6 | 87.4 | 65.4 | 57.0 | 51.4 | 49.8 |
| Temp. (°C) | -1.7 | -1.2 | -1.1 | -1.0 | -1.0 | -0.9 | -0.3 | 0.1 | 0.0 | -0.1 | -0.1 | 0.1 | 0.4 | 0.8 | 1.1 | 1.3 | 1.3 | 1.1 | 1.1 | 1.2 | 1.5 | 1.6 | 1.9 | 2.3 | 2.1 | 1.9 | 2.4 | 4.2 | 5.2 | 5.7 | 6.2 | 6.4 |
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updated: 23:53:07 Tue CET
- Wind speed (km/h)
- Wind direction (°deg)
- Temperature & Dew Point (°C)
- Humidity (%)
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