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StormReady Program
TWEEDSMUIR GLACIER INFORMATION
Status and Info
Hydrographs
Images
Report updated: 05-21-2009 

A RECENT OVERFLIGHT BY A UAF GLACIOLOGIST DOCUMENTED LITTLE GLACIAL 
ADVANCEMENT AND THAT THE GLACIER SURGE HAS ENDED. SINCE THERE HAS NOT 
BEEN ADVANCEMENT OF THE GLACIER THIS SPRING WHEN THE SURGE WAS MOST 
LIKELY TO OCCUR, THE POTENTIAL FOR THE BLOCKAGE OF THE ALSEK RIVER
HAS BECOME SIGNIFICANTLY LESS LIKELY THIS SUMMER AND POTENTIALLY IN 
FUTURE YEARS. UPDATES OF THE STATUS WILL BE PROVIDED AS INFORMATION 
BECOMES AVAILABLE.

Most recent USGS Photo of Glacier

Additional images on this USGS site

The automated NPS Tweedsmuir Hotline phone message is at 907-697-2695

Links to Additional Information

  • National Park Service letter to boaters
  • USGS website with Summary of Tweedsmuir
  • UAF Geophysical Institute photos and information by Chris Larsen
  • Brief note about the 1973 Tweedsmuir surge in the IGS publication "Ice"
  • UAF News Article by Ned Rozell

  • National Weather Service
    Alaska-Pacific River Forecast Center
    6930 Sand Lake Road
    Anchorage, Ak 99502
    907-266-5160

    Page Modified: 29 Dec 2005 18:00 UTC
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