Everest Forecast 13 may
Detailed wind expectation during summit attempt according to timing of ascent.
Start on the 16th 2000NepTime (14utc) at C3-C4: during climb wind is average 8-12kt
Estimated time to arrive at the summit: 06-0900NepTime (00-0300utc): wind on summit during that spell: W to WNW 13-17kt decreasing to 8-12kt, after 05/05utc again increasing to 20-25kt.
To come down from summit C4-C3-C2: 10-15kt becoming 20-25kt.
Weatherwise: the airmass is slightly 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: 14 may: sunny with few Cumulus up to 7000mr. Prob20% snow shower. Blowing snow above 8500mr.
day 2: 15 may: sunny with Cumulus between 6-8000mr. Prob50% snow shower.
day 3: 16 may: sunny and clear. Scattered Cumulus. Prob20% snow shower.
day 4: 17 may: sunny and clear. Few Cumulus around 6-6500mr.
day 5: 18 may: sunny and clear, Cirrus patches. Growing Cumulus: Prob30% snow shower.
day 6: 19 may: sunny with patches of high cloud. Very cloudy between BC and 6200mr Prob40% snow shower. Blowing snow above 8500mr.
day 7: 20 may: Patches of Cumulus between BC and 6200mr; Blowing snow above 8500mr.

Air temperatures over the next seven days
BC: -7°C becoming -0°C (D6)
C1: -10°C becoming -3°C (D6)
C2: -13°C becoming -6°C (D6)
C3: -18°C becoming -9°C (D6)
C4: -23°C becoming -14°C (D6)
S!: -30°C becoming -22°C (D6)
 
Wind forecast
day 1: 14 may
BC: WSW 15_20kt
C1: WSW 20kt
C2: W 20kt
C3: W 20-25kt
C4: W 25-30kt
S!: W 30-40kt
 
day 2: 15 may
BC: WSW 10-15kt
C1: WSW 15-20kt
C2: WNW 15-20kt
C3: WNW 15-20kt
C4: WNW 20-25kt
S!: WNW 20-30kt
 
day 3: 16 may
BC: WNW 10kt
C1: WSW 15kt
C2: W 15kt
C3: WNW 15kt
C4: WNW 15-20kt
S!: WNW 15-20kt
 
day 4: 17 may
BC: WSW 10kt
C1: WNW 10-15kt
C2: NW 15kt
C3: NW 5-10kt becoming 15kt
C4: NW 5-10kt becoming 15-20kt
S!: NW 15kt after 6utc (12 nepalese time) becoming WNW 20-25kt
 
day 5: 18 may
BC: WNW 10kt
C1: WNW 10-15kt
C2: WNW 15-20kt
C3: WNW 20kt
C4: W 20-30kt
S!: WNW 25-30kt
 
day 6: 19 may
BC: WSW 15kt
C1: WNW 20-25kt
C2: W 25kt
C3: W 25-30kt
C4: W 30-35kt
S!: W 35-45kt
 
day 7: 20 may
BC: SW 15kt
C1: WSW 15kt
C2: W 15kt
C3: W 20-25kt
C4: W 25-30kt
S!: WSW 40-45kt

This entry was posted on Thursday, May 13th, 2010 at 10:55 am and is filed under Albert Bosch-Epopeya Everest Sin Limits. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.