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My Location: San Francisco, CA
Current Time: 07:21:11 PM PDT
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| Other Alerts |
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| Weather Alert |
| Other Weather Alerts | ||
| Type | Hydrologic Outlook |
River Statement |
| Issued By | NWS Juneau AK | |
| Issuing Time | Mon, 11 Aug 2025 07:33:00 PDT | |
| Broadcast Time | Mon, 11 Aug 2025 07:33:00 PDT | |
| Valid Until | Mon, 11 Aug 2025 20:00:00 PDT | |
| Brief Description | Hydrologic Outlook | |
| Detailed Description | ESFAJK As of 6:50 PM Sunday the USGS web camera and laser gage in Suicide Basin have started to show indications of over-topping the ice dam with icebergs being pulled towards the overflow channel and very little new water rise. This means the basin is at full capacity and in the past it has taken up to 6 days for the outburst flooding event to begin. The water level in the basin will slowly fall as the overflow channel erodes. A faster drop in water levels in the basin along with a rise on Mendenhall Lake will indicate a sub-glacier release and our office will issue a Flood Warning. From that point, the outburst flooding event would take about 48 hours to peak. Now is the time to finish up the flood preparation/planning and get those plans "SET" so they can be put into action, and "GO" when a Flood Warning is issued. Check back regularly for updates on this evolving situation. |
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