Albert Bosch/Epopeya Everest Sin Limits: Forecast 14 May - day 37
Posted in Albert Bosch-Epopeya Everest Sin Limits | By Marc |
Everest Forecast 14 may
Detailed wind expectation during summit attempt according to timing of ascent: this confirms the fact that the window of the 17th is a rather small window: according to scheduled timing: start the climb at 2000NepTime(16/05), arriving on the summit between 0600 and 0900Nep Time the wind will be in limits (less than 15kt) but after 0900-1100Neptime wind is expected to pick up to 20kt and more. So this means that this is a very tight window!
Start on the 16th 2000NepTime (14utc) at C3-C4: during climb wind is average 10-15kt, decreasing to 5-10kt
Estimated time to arrive at the summit: 06-0900NepTime (00-0300utc): wind on summit during that spell: W to WNW 8-12kt, after 09/11NepTime again increasing to 20-25kt.
To come down from summit C4-C3-C2: 10-15kt becoming 20-25kt.
Weatherwise: confirmation the airmass is unstable which results in the possiblity of a few showery outbreaks, but this should be very limited.
Levels
Base camp: 5,360mr 17,858ft
Camp 1 : 6,100mr 20,000ft
Camp 2 : 6,600mr 21,500ft
Camp 3 : 7,200mr 23,600ft
Camp 4 : 7,800mr 26,000ft
Summit : 8,848mr 29,029ft
General weather conditions
day 1: 15 may: sunny and unstable: growing Cumulus 6 and 8000mr. Prob50% snow shower.
day 2: 16 may: sunny and unstable: around 6-7000mr. Prob30% snow shower.
day 3: 17 may: sunny with patchy high clouds. Scattered Cumulus around 6-6500mr. Prob20% snow shower.
day 4: 18 may: sunny and clear. Few Cumulus around 6-6500mr. Blowing snow above 8500mr develops.
day 5: 19 may: sunny with Cirrus patches. Scattered Cumulus BC-6200mr: Prob50% snow shower. Blowing snow above 8000mr.
day 6: 20 may: sunny with patches of high cloud. Growing Cumulus. Prob 50% snow showers
day 7: 21 may: sunny. Cumulus between BC and 6200mr
Air temperatures over the next seven days
BC: -3°C becoming -0°C (D6)
C1: -10°C becoming -6°C (D6)
C2: -12°C becoming -10°C (D6)
C3: -17°C becoming -12°C (D6)
C4: -21°C becoming -18°C (D6)
S!: -29°C becoming -27°C (D6)
Wind forecast
day 1: 15 may
BC: WSW 10-15kt
C1: WSW 10-15kt
C2: W 10-20kt
C3: W 10-20kt
C4: W 15-25kt
S!: W 20-30kt
day 2: 16 may
BC: WSW 10kt
C1: WSW 10kt becoming W 15kt
C2: W 15kt becoming NW 10-15kt
C3: W 15kt becoming NW 10-15kt
C4: WNW 10-15kt becoming NNW 5-10kt
S!: WNW 15-20kt becoming W 5-10kt
day 3: 17 may
BC: WSW 5-10kt becoming 10-15kt
C1: W 5-10kt becoming W 15kt
C2: NW 15kt
C3: NW 15kt
C4: N 5-10kt becoming (after 06utc) becoming 15-20kt
S!: WNW 5-10kt after 03/06utc becoming WNW 15-20kt
day 4: 18 may
BC: W 10-15kt
C1: WNW 15kt
C2: NW 15-20kt
C3: NW 20kt
C4: NW 20-30kt
S!: WNW 30-40kt
day 5: 19 may
BC: WNW 10-15kt
C1: W 20kt
C2: W 20-25kt
C3: W 25kt
C4: W 25-35kt
S!: WNW 40-45kt
day 6: 20 may
BC: SW 15kt
C1: WSW 15-20kt
C2: W 20-25kt
C3: W 25kt
C4: W 25-35kt
S!: W 35-45kt
day 7: 21 may
BC: WSW 15kt
C1: WSW 15kt
C2: W 15kt
C3: W 15-20kt
C4: W 25kt
S!: W 25kt