Weather Alerts for Matanuska ValleyIssued by the National Weather Service |
AVALANCHE WARNING | ||
MATANUSKA VALLEY | ||
Areas Affected: Anchorage - East Turnagain Arm - Western Prince William Sound |
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Effective: Sat, 1/11 6:40pm | Updated: Sun, 1/12 7:25pm | Urgency: Unknown |
Expires: Mon, 1/13 3:00am | Severity: Unknown | Certainty: Unknown |
Details:
SABAFC The following message is transmitted at the request of the Chugach National Forest Avalanche Center. ...THE CHUGACH NATIONAL FOREST AVALANCHE INFORMATION CENTER HAS ISSUED AN AVALANCHE WARNING FOR THE FOLLOWING AREAS: CHUGACH STATE PARK, GIRDWOOD, PORTAGE, TURNAGAIN PASS, SUMMIT LAKE, MOOSE PASS, AND SEWARD FROM 3AM SUNDAY THROUGH 3AM MONDAY... * WHAT...The backcountry avalanche danger is HIGH. Very dangerous avalanche conditions exist. * WHERE...For the Western Chugach and Kenai Mountains in and around Chugach State Park, Girdwood, Portage, Turnagain Pass, Summit Lake, Lost Lake, and Seward. * WHEN...In effect Sunday 3:00 AM AKST through Monday 3:00 PM AKST. * IMPACTS...Heavy snowfall and strong winds will create widespread areas of unstable snow. Both human-triggered and natural large avalanches are likely. Debris from avalanches above may run into valley bottoms. Avalanche conditions will remain very dangerous immediately after the snow finishes. * PRECAUTIONARY / PREPAREDNESS ACTIONS...Travel in avalanche terrain is NOT recommended. Backcountry travelers should stay off of...and out from underneath...slopes steeper than 30 degrees. Avalanches may run long distances. Similar avalanche danger may exist outside the coverage area of this or any avalanche center. For more information visit cnfaic.org. |
FLOOD ADVISORY | ||
MATANUSKA VALLEY | ||
Areas Affected: Anchorage - East Turnagain Arm - Matanuska Valley |
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Effective: Sun, 1/12 1:51pm | Updated: Sun, 1/12 7:25pm | Urgency: Expected |
Expires: Mon, 1/13 12:00pm | Severity: Minor | Certainty: Likely |
Details:
* WHAT...Urban and small stream flooding caused by excessive rainfall and snow melt at lower elevations with frozen ground. * WHERE...The following areas, Anchorage, East Turnagain Arm, Matanuska Valley and Western Prince William Sound. * WHEN...Until noon AKST Monday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 143 PM AKST, Moderate to Heavy rain has fallen at lower elevations from the Mat-Su Valley down through the southern Kenai Peninsula overnight and into Sunday. This combined with frozen ground is causing ponding and localized flooding along roads and low lying areas. Localized flooding has been reported in Palmer, areas of Anchorage and near Seward Harbor. Small streams in the area may also experience minor flooding with ice still intact in many areas. No flooding is expected along large Rivers. A small landslide was report and cleared from the Lowell Point Road Sunday morning. Additional localized landslides are possible at lower elevations. - http://www.weather.gov/safety/flood - If you live near or along area creeks and streams stay alert and be prepared to take action. - Storm drains should be kept clear of debris as much as possible. - Be aware of surroundings and avoid driving on flooded roads if possible. Information: Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. |
WINTER WEATHER ADVISORY | ||
MATANUSKA VALLEY | ||
Areas Affected: Copper River Basin |
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Effective: Sun, 1/12 2:41pm | Updated: Sun, 1/12 7:25pm | Urgency: Expected |
Expires: Mon, 1/13 9:00am | Severity: Moderate | Certainty: Likely |
Details:
* WHAT...Snow, blowing snow, freezing rain, and rain. Freezing rain on top of cold, snow-covered roads. Heavy snow closer to Thompson Pass and along the Glenn Highway corridor west of Glennallen. Total snow accumulation of 6 to 12 inches for the Glenn Highway corridor and 12 to 24 inches possible toward Thompson Pass. * WHERE...The southern to western portions of the Copper River Basin, including the Richardson Highway toward Thompson Pass and the Glenn Highway west of Glennallen to around Chickaloon. * WHEN...Until 9 AM AKST Monday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...A wintry mix of precipitation is occurring along the Richardson Highway south of the Edgerton Highway south to Thompson Pass. Precipitation will be heavy at times through Monday morning. For the Glenn Highway corridor west of Glennallen the heaviest snow is occurring now and will taper off later this afternoon into the evening. Information: Slow down and use caution while traveling. For the latest road conditions call 5 1 1 or visit 511.alaska.gov. |