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Tuesday, January 5, 2010
Wednesday, December 23, 2009
Paradise to Muir - 2010
December 29th, 2009
I just did a nice check on Camp Muir this morning. I left Paradise at about 9:00 a.m. It was a little chilly. I was really surprised how few skiers were actually out. Kudos to the brave soul who marched up the Nisqually and skied the chute solo. Style.
First things first. Attention everyone. There was a wicked layer of surface hoar that didn't get any sun action today before the clouds started rolling in. It's going to get buried. There are all sorts of facets in the snow in the top 20 cm. What's worrisome is that the surface hoar is growing on a layer of sun crust. Underneath the sun crust is another layer of facets. Check out the snowpit profile.Click on the image for a better, more readable size.
Expect these faceted layers to remain intact on all aspects for a while.
So the rest of the trip to Muir was outstanding. Skiing was 7 out of 10, for the windswept snowfield, anyway. The new snow that is forecast should make the skiing even better.One thing I want everyone to be aware of is what we call the "Ant Trap". Remember that sand pit that Luke got thrown into by Jabba? Well, this is kind of like that.
It's located right next to McClure Rock. Click that picture to the right and note the coordinates on the bottom of the photo: -121.724123 46.808050 (WGS84). Plug that into your GPS and avoid it like the plague.
Many people have been eaten by the Ant Trap and more than a few have broken bones because of it.
Things are looking good at Camp Muir, albeit there is a lot of snow. Remember you'll have to dig your way into the upper half of the middle toilet. So plan on a little shoveling before you are moved to use it!
Also, remember if you're coming up to climb, to stop at the Paradise Old Station (the A-frame in the upper parking lot) and self-register. You can also pay the 30 dollar climbing fee to the 'iron ranger' there as well.
A storm was quickly moving in, so I had to ski-dattle. Down at Paradise, the parking lot is completely full! Hundreds of cars and sledders.
December 23rd, 2009 - Sweet Turns at Paradise!
This is it. Finally our snowpack at Paradise is back to normal at 78 inches. The rain from the last warm spell has stopped and we have up to 18 inches of new snow that has consolidated and another 5 inches of pretty light snow on top of it.
I started up the road this morning after we opened it at around 08:00 am. The light on the mountain was absolutely spectacular. It was clear and there was a little bit of surface hoar when I went to the weather station this morning. Here was the weather obs:
High: 22 Low: 16 Current: 22 Precip: .02 New: Tr Total Snow: 78" Winds: N @ 3-4.
We had our morning chores to do, cones in the parking lot, bumping sign and bamboo in the snowplay area, then folks started coming in droves.
The snowplay area is open and the runs are fast. However, because there's relatively little snow, we can only put one run in. The lines are a little long. Remember to get out of the run when you've come to a stop!
About noon we headed up towards Pan Point. What's this? It's noon at Paradise on a sunny day and there's no tracks? Where are all the skiers? Gary Voigt was up making turns in upper Edith Creek below McClure.
Always evaluate your own avalanche conditions!
We crested the ridge and decided to head for the top of Pan Point at around 7200 feet.
I was still surprised to see no tracks up above us since we had such a late start and the Paradise parking lot was FULL.
Whatever, the more powder for us.
However, out where we were, the snow was outstanding.
Once we hit the flats to the east of Pan point, we traversed down the top of Mazama Ridge until we got to a slope locally known as Bundy's Blunder. It's just upridge of Sluiskin Falls. There was some slide deposition on it from the sun action today. It was only 4-5", but wet and heavy. It was enough to carry us, so we traversed out a hundred yards to the right and merrily made sweet turns all the way to the Paradise Valley Road.
Here's the latest weather history comparison:
Date 12/23
Max Recorded Snowdepth at Paradise 166 inches
Year of Max Recorded Snowdepth at Paradise 1916
Historic Average Snowpack at Paradise 77.9 inches
Current Snowdepth at Paradise 78 inches
Percent of Normal 100.13%
Percent of Historic Max 46.99%
Average Hi Temp: 32
Today's Hi Temp 22
Average Lo Temp: 21
Today's Lo Temp 16
Here's the latest weather history comparison:
Date 12/23
Max Recorded Snowdepth at Paradise 166 inches
Year of Max Recorded Snowdepth at Paradise 1916
Historic Average Snowpack at Paradise 77.9 inches
Current Snowdepth at Paradise 78 inches
Percent of Normal 100.13%
Percent of Historic Max 46.99%
Average Hi Temp: 32
Today's Hi Temp 22
Average Lo Temp: 21
Today's Lo Temp 16
Come on up! It's good!
Wednesday, November 11, 2009
Winter Conditions and Forecasting Resources
What's this cold, wet, white stuff that's piling up all around us? Ah, yes. I remember. It happened last year at this time, too. Winter recreating and climbing on Mt. Rainier can be really enjoyable. However, a thorough weather forecast is very important.
Here are some thoughts on the weather and Forecast Resources.
To most people, weather is something you look up at from ground level. To climbers, pilots, and other people who get outdoors, the weather can be above you AND below you. You're often IN those clouds that others are looking up at in the city. What to the sea level viewer is a cloud is fog to you!
It's VERY important to have a good weather forecast when you climb Mt. Rainier. The weather rules the day and will rule your climb, especially this time of year. The weather has proven itself to be one of the biggest contributing factors to situations requiring rescues.
Here are some of the websites that I religiously check before my climb, and before I register climbers. In general, you should be particularly concerned about clouds, precip., temperature, and winds.
Mt. Rainier Recreational Forecast
For a good and quick weather briefing, start off with the Mt. Rainier Recreational Forecast. It's specific to Mt. Rainier and put out by the forecasters at the National Weather Service forecast office in Seattle. This usually gives the freezing levels, too.
UW Atmospheric Sciences GFS Forecast Models
Instead of portraying atmospheric information on a horizontal plane, the following site loops at 3 hour intervals and shows a vertical slice of the atmosphere from the Mt. Rainier area in a southwest direction. On the left are pressure-altitudes. Although the altitude at which a specific pressure is encountered will vary depending on current atmospheric conditions, at "standard" pressure, 1013 mb is sea level, and 1000 mb is roughly 360', 900 mb is about 3,240', 800 mb about 6,400', 700 mb about 9,500', and 600 mb is about 13,800'. Consider that Paradise is at about 5,500', Muir at 10,000' and the summit at 14,411' and you will be able to see at what elevations the clouds are forecast to be! Pay particular attention to humidities, as Mt. Rainier tends to intensify already high humidities and produce clouds.
Temperature-Winds Aloft Forecast
Next up is the temperature-winds aloft forecast from the FAA interpreted by usairnet. This is usually for pilots, but climbers would be wise to pay attention to it. Remember, these are theoretical forecasted wind speeds and directions. You can adjust the forecast period at the top of the page. I have found from personal experience that the winds are often greater than forecast and temperatures are warmer.
Wind Profiler
Another good site to assess regional winds aloft is the wind profiler showing wind speed and direction at Sand Point (Seattle).
Here is a primer in reading this data: Wind is shown in the vertical from sea level to 3,500 meters (about 11,500') given on the Y axis. Data is posted each hour on the X axis with the most recent readings on the left side of the diagram. Time is UTC which is 8 hours later than PST, so 02/18 isn't February 18 but rather February 2 at 1800 hours, or 1200 PST. North is represented by the top of the diagram, south by the bottom, etc. For example, if a line is coming from the left and ending at the vertical time line, that is a west wind (270 degrees). Each full barb on the shaft of a vector represents ten knots, each half barb is 5 knots, and a solid triangle is 50 knots, so a "barb and a half" is about 15knots. Ten knots is about 11.5 mph. Of course local winds may vary, but wind at 10,000' is going to be quite consistent with simultaneous wind elsewhere at that altitude in the region, whether measured at Sand Point or on Mt. Rainier.]
NWAC Mountain Weather Forecast Page
In the winter, the Northwest Weather and Avalanche Center produces the best weather forecast discussion because it is specifically geared toward recreational purposes in the mountains! You can also, of course, read the avalanche forecast here, too.
Camp Muir Live Weather Telemetry
Paradise Live Weather Telemetry
Also, with love from the Northwest Weather and Avalanche Center, I help maintain a weather station at Camp Muir. This is always fun to check. Although the wind instruments often rime up and cease to function, the temps. are usually pretty accurate.
Paradise Experimental Weather Forecast
And finally, here's a page I find extremely useful. It's an "experimental" forecast interpretation based on Paradise.
Get a weather radio, if you can, for getting updates up on the mountain. NOAA weather radio broadcasts decent mountain weather forecasts on 162.425MHz, 162.45MHz, 162.475MHz, and 162.55MHz.
Hope that helps!
Here are some thoughts on the weather and Forecast Resources.
To most people, weather is something you look up at from ground level. To climbers, pilots, and other people who get outdoors, the weather can be above you AND below you. You're often IN those clouds that others are looking up at in the city. What to the sea level viewer is a cloud is fog to you!
It's VERY important to have a good weather forecast when you climb Mt. Rainier. The weather rules the day and will rule your climb, especially this time of year. The weather has proven itself to be one of the biggest contributing factors to situations requiring rescues.
Here are some of the websites that I religiously check before my climb, and before I register climbers. In general, you should be particularly concerned about clouds, precip., temperature, and winds.
Mt. Rainier Recreational Forecast
For a good and quick weather briefing, start off with the Mt. Rainier Recreational Forecast. It's specific to Mt. Rainier and put out by the forecasters at the National Weather Service forecast office in Seattle. This usually gives the freezing levels, too.
UW Atmospheric Sciences GFS Forecast Models
Instead of portraying atmospheric information on a horizontal plane, the following site loops at 3 hour intervals and shows a vertical slice of the atmosphere from the Mt. Rainier area in a southwest direction. On the left are pressure-altitudes. Although the altitude at which a specific pressure is encountered will vary depending on current atmospheric conditions, at "standard" pressure, 1013 mb is sea level, and 1000 mb is roughly 360', 900 mb is about 3,240', 800 mb about 6,400', 700 mb about 9,500', and 600 mb is about 13,800'. Consider that Paradise is at about 5,500', Muir at 10,000' and the summit at 14,411' and you will be able to see at what elevations the clouds are forecast to be! Pay particular attention to humidities, as Mt. Rainier tends to intensify already high humidities and produce clouds.
Temperature-Winds Aloft Forecast
Next up is the temperature-winds aloft forecast from the FAA interpreted by usairnet. This is usually for pilots, but climbers would be wise to pay attention to it. Remember, these are theoretical forecasted wind speeds and directions. You can adjust the forecast period at the top of the page. I have found from personal experience that the winds are often greater than forecast and temperatures are warmer.
Wind Profiler
Another good site to assess regional winds aloft is the wind profiler showing wind speed and direction at Sand Point (Seattle).
Here is a primer in reading this data: Wind is shown in the vertical from sea level to 3,500 meters (about 11,500') given on the Y axis. Data is posted each hour on the X axis with the most recent readings on the left side of the diagram. Time is UTC which is 8 hours later than PST, so 02/18 isn't February 18 but rather February 2 at 1800 hours, or 1200 PST. North is represented by the top of the diagram, south by the bottom, etc. For example, if a line is coming from the left and ending at the vertical time line, that is a west wind (270 degrees). Each full barb on the shaft of a vector represents ten knots, each half barb is 5 knots, and a solid triangle is 50 knots, so a "barb and a half" is about 15knots. Ten knots is about 11.5 mph. Of course local winds may vary, but wind at 10,000' is going to be quite consistent with simultaneous wind elsewhere at that altitude in the region, whether measured at Sand Point or on Mt. Rainier.]
NWAC Mountain Weather Forecast Page
In the winter, the Northwest Weather and Avalanche Center produces the best weather forecast discussion because it is specifically geared toward recreational purposes in the mountains! You can also, of course, read the avalanche forecast here, too.
Camp Muir Live Weather Telemetry
Paradise Live Weather Telemetry
Also, with love from the Northwest Weather and Avalanche Center, I help maintain a weather station at Camp Muir. This is always fun to check. Although the wind instruments often rime up and cease to function, the temps. are usually pretty accurate.
Paradise Experimental Weather Forecast
And finally, here's a page I find extremely useful. It's an "experimental" forecast interpretation based on Paradise.
Get a weather radio, if you can, for getting updates up on the mountain. NOAA weather radio broadcasts decent mountain weather forecasts on 162.425MHz, 162.45MHz, 162.475MHz, and 162.55MHz.
Hope that helps!
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