737 Leg 7 Everest - Day 149

EVEREST WEATHER UPDATE

General situation:

The subtropical jet over the Himalaya is weakening on the 9th of May. The wind direction does not change. The summit remains in a southwestern flow. Cyclonic conditions will bring more convection and therefore also more snowfall. The temperature at summit: is around -28 degrees Celsius.

This feels like -40 degrees with a wind of 20 km/h.

9th May
Strong wind at summit. Mean wind speeds: 50-80 km/h. Ceasing in the evening. Friendly morning. Towering cumlus in the afternoon. Showers are probable. They can last during the night to the 10th of May.

10th-11th May
Deep convection. Snowfall especially at the south side of Everest.
But also at the north side expect some snow. Weak winds.

12th-15th May
Diurnal cycle with good climbing conditions in the mornings.
Increasingly cloudy in the afternoon with fog at the mountain.
Showers are probable in the second half of the day at the south side of Everest. Moderate wind speed at summit (20-40 km/h).