HLSK Grøtterud
Norway, 435m (AMSL) |SHOW ON MAP|
Hvittingfoss -.Grøtterud
hlskbakkestasjon(youknowit)gmail.com
06:56-18:04 (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
06:56-18:04 (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: 1395
Note: Calculated from yearly data where the average wind speed is more than 4km/h.
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Averages updated: 10:22:04 Sun CET
| Time | 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 | 06:15 | 06:30 | 06:45 | 07h | 07:15 | 07:30 | 07:45 | 08h | 08:15 | 08:30 | 08:45 | 09h | 09:15 | 09:30 | 09:45 | 10h | 10:15 |
| Speed | 1.4 | 0 | 0.6 | 0.8 | 0.6 | 0 | 0.6 | 1.4 | 1.7 | 1.1 | 1.1 | 0.6 | 1.4 | 0.3 | 0 | 0.3 | 0.8 | 1.1 | 1.7 | 1.9 | 1.9 | 1.9 | 1.4 | 0 | 0.3 | 1.1 | 1.1 | 1.1 | 1.4 | 2.2 | 2.8 | 2.5 |
| Gust (m/s) | 2.2 | 0.8 | 1.7 | 2.2 | 1.7 | 0.8 | 2.2 | 3.1 | 3.1 | 2.2 | 2.2 | 1.9 | 3.3 | 1.4 | 1.1 | 1.7 | 1.9 | 2.2 | 2.5 | 2.5 | 3.1 | 3.3 | 3.1 | 1.1 | 2.2 | 3.3 | 2.2 | 2.8 | 2.8 | 4.2 | 5.6 | 7.2 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | N 4° | NNW 348° | N 358° | N 357° | NNW 347° | NNW 340° | NNW 343° | N 1° | N 5° | NNE 13° | N 3° | N 351° | NNE 21° | NNE 29° | NNE 16° | NNE 16° | N 352° | N 11° | N 355° | N 1° | N 7° | N 9° | N 10° | NNE 23° | NNE 25° | NNE 15° | N 6° | NE 39° | NNE 15° | N 351° | N 356° | ENE 71° |
| Humidity (%) | 98.6 | 98.4 | 98.4 | 98.2 | 97.8 | 98.0 | 98.3 | 97.7 | 96.3 | 95.4 | 94.6 | 94.9 | 94.0 | 95.0 | 96.4 | 95.1 | 94.1 | 93.4 | 92.7 | 91.7 | 91.2 | 91.1 | 91.0 | 92.3 | 92.8 | 92.2 | 92.6 | 93.0 | 92.3 | 91.4 | 90.3 | 93.1 |
| Temp. (°C) | 2.5 | 2.4 | 2.4 | 2.5 | 2.6 | 2.4 | 2.3 | 2.6 | 2.8 | 2.8 | 2.8 | 2.7 | 2.8 | 2.6 | 2.4 | 2.6 | 2.8 | 2.9 | 3.0 | 3.1 | 3.1 | 3.2 | 3.1 | 3.0 | 2.9 | 3.0 | 3.0 | 2.9 | 3.0 | 3.2 | 3.4 | 2.9 |
| Time | 19h | 20h | 21h | 22h | 23h | Sat | 01h | 02h | 03h | 04h | 05h | 06h | 07h | 08h | 09h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h | 22h | 23h | Sun | 01h | 02h |
| Speed | 0.6 | 0.6 | 0.8 | 0.6 | 0.8 | 0.6 | 0.3 | 0.8 | 0.8 | 1.1 | 1.7 | 2.8 | 1.1 | 1.4 | 0.8 | 0.6 | 0.6 | 1.1 | 1.4 | 0.8 | 1.4 | 0.6 | 0.8 | 1.1 | 1.7 | 1.4 | 1.4 | 0.8 | 1.1 | 1.7 | 1.9 | 0.8 |
| Gust (m/s) | 2.2 | 2.2 | 1.7 | 1.4 | 2.2 | 1.7 | 1.7 | 3.1 | 2.2 | 3.1 | 3.9 | 4.7 | 3.1 | 2.8 | 3.1 | 2.2 | 2.8 | 3.9 | 3.6 | 2.8 | 3.3 | 2.2 | 2.2 | 3.1 | 3.6 | 3.9 | 3.6 | 2.2 | 3.1 | 3.6 | 3.6 | 3.1 |
| Direction | ||||||||||||||||||||||||||||||||
| Direction Deg. | SW 218° | ESE 121° | SSE 159° | SSE 159° | E 91° | ESE 123° | NE 56° | NW 323° | N 3° | N 1° | NNE 23° | N 2° | NNE 12° | N 5° | NNW 343° | NNW 335° | NNW 345° | NW 318° | NNE 26° | NNE 26° | NNE 24° | ENE 71° | NE 52° | NNW 344° | N 352° | N 7° | NNE 15° | NNE 13° | NNE 12° | N 6° | N 4° | NNW 332° |
| Humidity (%) | 81.4 | 83.5 | 83.7 | 84.2 | 86.6 | 88.0 | 89.2 | 90.7 | 92.5 | 96.4 | 98.0 | 98.2 | 98.1 | 97.2 | 97.2 | 97.4 | 98.0 | 98.1 | 97.5 | 96.9 | 95.6 | 96.6 | 98.1 | 97.8 | 98.0 | 97.3 | 97.4 | 97.7 | 98.2 | 98.8 | 98.9 | 98.7 |
| Temp. (°C) | 5.6 | 5.3 | 5.5 | 5.6 | 4.5 | 4.0 | 3.6 | 3.6 | 3.4 | 2.7 | 2.0 | 1.8 | 2.2 | 2.7 | 2.9 | 2.9 | 2.7 | 2.7 | 3.7 | 3.9 | 4.0 | 3.7 | 3.2 | 3.1 | 3.0 | 3.0 | 2.9 | 2.8 | 2.7 | 2.4 | 2.4 | 2.4 |
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updated: 10:22:04 Sun CET
- Wind speed (m/s)
- Wind direction (°deg)
- Temperature & Dew Point (°C)
- Humidity (%)
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