K2 2007 Weather: Weather for K2, NP and Broad Peak

Copyright© Billy Pierson

Update 6/23/2007: Weather for K2, NP, GBI/II and Broad Peaks

Window will continue for another 4/5 Days

The current weather conditions are likely to prevail for another 4/5 days. The climbers should avail this window and continue their activities till next weekend. Hanif

Update 6/19/2007: Weather for K2, NP, GBI/II and Broad Peaks

Weather is improving, High Winds Abating. The tail of jet stream is leaving northern areas of Pakistan. The weather has already started to improve, high winds abating now. A window of 4 to 5 days has opened, No significant stormy condition expected to develop in this period. However some local build-ups likely at times near afternoon. Hanif.

Update 6/12/2007: Weather ALERT for K2, NP, RP and Broad Peaks

High Winds approaching from Thursday Evening 

High winds likely to grip northern parts of Pakistan from Thursday evening (14th June), expected to last 4-5 days (till 18th June, Monday). The upper winds (above 20,000 ft) will remain HIGH during this period.

The current window is going to close after one day, coming evenings/afternoons would be hard due to frequent development of clouds/poor visibility especially in south of K2 (Be careful from Friday evening). However climbers may continue their activities during first half of each day.

Weather improvement likely from Tuesday(19th June) giving another good/long window.  HANIF

Earlier Update: Weather Outlook for K2, NP, RP and Broad Peaks

Current Window would last till Friday, Hard Weekend likely. The upper winds (+20,000 ft) are comparatively high (over K2 only), but no chance of any storm, the current weather conditions will continue till Friday. The upper winds expected to increase gradually from Friday evening, however some local thundery build-ups expected (Prob 30%) for short time over/around NP only on Monday evening.  The coming weekend may be hard due to high winds and a snow-storm. Try to avail much of the time of current window, but Be careful on Saturday evening.  HANIF

Earlier Update: Weather Outlook for K2, NP and Broad Peaks 4/5 Days Window starting from Thursday

The sub-tropical jet is now weakening gradually, upper winds are decreasing, today (Wednesday) was much better and more relief expected from Thursday. Next 4 to 5 days are good comparatively. Good visibility much of the day, some local/isolated build-ups likely at evenings but no chance of any storm.

This window may last for 4 to 5 days (at least). HANIF

Update 5/30/2007: Weather Outlook for summer Season 2007 (North Pakistan)

SW Monsoon normally approaches northeast Pakistan during first week of July and the monsoon currents mostly do not cross 35ºN due to high mountain barriers. 

Most of the northern parts of Pakistan (including all main peaks i.e K2, NP, Broad Peaks, RP) are presently in the grip of a sub-tropical jet which is prevailing abnormally over lower latitudes since last 10 days, causing frequent evening clouds formation, poor visibility and snow over high peaks. The temps are 4 to 6ºC below normal. The current conditions likely to continue for another 8 to 10 days but giving short windows of one and two days. 

The persistence of sub-tropical jet may disrupt/delay some summits but relief for all main peaks is expected during second week of June. 

The prevailing meteorological conditions and trends indicate that monsoon ONSET over northeast Pakistan may be delay for one week to ten days. So there is No Threat of monsoon activity for all main peaks but frequent westerly waves may create problems at times during June. 

At right now, neutral ENSO conditions are prevailing, weak La-Nina is predicted during next 3 months. The monsoon is  expected to behave normally during first half (end of July) and  it is to early to predict impact of ENSO on monsoon. Regards. HANIF
 

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