Mt. Everest Weather Forecast

Bill wanted you to see what a Mt Everest weather report looks like. Here is the most recent one:

Everest North

Daily forecast will be delivered to you generally between 5 am to 10 am Nepal time each day.
Basics
Snow forecast is for the 20,000 foot level (6060 meters) and snowfall amounts above this level would generally be slightly lower.
Confidence ratings on the forecast are 5 being the highest level and 0 lowest levels.
Water equivalent will be listed as w/e
Nighttime temperatures during this period at the summit levels will be close to -17 F (-27 C)

Short term weather Friday May 6 to Monday May 9
Winds: Winds as we have discussed winds will increase on May 7 with summit winds up to 60 mph (96 km/hr) and continuing on that level for May 8. Perhaps a slight reduction May 9. Although the jet stream is not over the region it is just north of the area so we are getting these strong winds at times. Furthermore there is not an organized weather system associated with the increase in winds just an upper low to our north.

May 6
Summit=30 to 40 mph (48 to 64 km/hr) from west to northwest
26,000 feet (7878 meters)=20 to 30 mph (32 to 48 km/hr) from west to northwest
24,000 feet (7272 meters)= 20 to 30 mph (32 to 48 km/hr) from west to northwest
21,000 feet (6363 meters) )= 20 mph (32 km/hr) from west to northwest
Medium confidence in the wind forecast I gave this a 3.5
May 7 to May 8
Summit=40 to 60 mph (64 to 96 km/hr) from west to northwest Stronger gusts
26,000 feet (7878 meters)=40 to 50 mph (65 to 80 km/hr) from west to northwest Stronger gusts
24,000 feet (7272 meters)= 30 to 40 mph (48 to 64 km/hr) from west to northwest Stronger gusts
21,000 feet (6363 meters) )= 20 to 30 mph (32 to 48 km/hr) from west to northwest
Medium confidence in the wind forecast I gave this a 3.5
May 9
Summit=40 to 50 mph (64 to 80 km/hr) from west
26,000 feet (7878 meters)=30 to 40 mph (48 to 64 km/hr) from west
24,000 feet (7272 meters)= 20 to 30 mph (32 to 48 km/hr) from west
21,000 feet (6363 meters) )= 20 (32 km/hr) from west
Medium confidence in the wind forecast I gave this a 3.5

Snowfall: Expecting lighter snowfall totals. Also models suggest little in the way of summit clouds
May 6 to May 9
0 to 0.30 in w/e (up 7.6 mm) to or in snow 0 to 3 inches of snow (0 to 7.5 cm)
Low to medium confidence of 3.0

Medium term weather Tuesday May 10 to Friday May 13
Winds: The winds are reduced in speed over the this period as the jet has shifted slightly to the north. No major weather systems in the region.
May 10
Summit=30 to 40 mph (48 to 64 km/hr) from west to northwest
26,000 feet (7878 meters)=40 to 50 mph (65 to 80 km/hr) from west
24,000 feet (7272 meters)= 20 to 30 mph (32 to 48 km/hr) from west
21,000 feet (6363 meters) )= 20 mph (32 km/hr) from west
Medium confidence in the wind forecast I gave this a 3.5
May 11 to May 13
Summit=20 to 35 mph (32 to 56 km/hr) from west
26,000 feet (7878 meters)=20 to 30 mph (32 to 48 km/hr) from west
24,000 feet (7272 meters)= 15 to 30 mph (24 to 48 km/hr) from west
21,000 feet (6363 meters) )= 15 to 20 mph (24 to 32 km/hr) from west
Medium confidence in the wind forecast I gave this a 3

Snowfall: Continue with the lighter snowfall amounts with this pattern with just a few summit clouds.
May 10 to May 13
0 to 0.30 in w/e (up 7.6 mm) to or in snow 0 to 3 inches of snow (0 to 7.5 cm) each day
Low to medium confidence of 2.5.

Extended Outlook Saturday May 14 to Monday May 16- brief discussion
Models indicate jet is not in the region with best estimate of winds in the 30 to 40 mph range (48 to 64 km/hr) or perhaps lower. Perhaps we start to see an increase in winds by May 18 hard to tell. Finally too far in the extended to discuss snowfal