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Winter weather huts us tomorrow. We will start at 62° and Monday morning we will bec22°.
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Originally Posted by pepperbelly
(Post 23428787)
Winter weather huts us tomorrow. We will start at 62° and Monday morning we will bec22°.
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The snow passed to the south of us, which is fine with me. It's still a bit brisk, though. I was happy to ride 21 miles yesterday when it was 20F out. For January, I can't complain. :)
Steve in Peoria |
FINALLY escaping from the ‘polar vortex’
temps above freezing … and a few consecutive days without snow woo hoo |
Originally Posted by t2p
(Post 23446093)
FINALLY escaping from the ‘polar vortex’
temps above freezing … and a few consecutive days without snow woo hoo Starting Friday the temps will be in the mid ‘60s with several days in the mid to upper ‘70s. I have great riding weather coming up. |
Rode today in a t-shirt and shorts. High of seventy degrees - very unusual for February here. I'm all for it.
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Originally Posted by Fredo76
(Post 23449831)
Rode today in a t-shirt and shorts. High of seventy degrees - very unusual for February here. I'm all for it.
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Korea's in a cold snap right now as well. I've been staying indoors, working on a project to be ridden in spring at the same time as refurbishing a bunch of old and new parts I have lying around to build up a touring bike to be sold.
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Originally Posted by Fredo76
(Post 23449831)
Rode today in a t-shirt and shorts. High of seventy degrees - very unusual for February here. I'm all for it.
Originally Posted by rsbob
(Post 23449833)
You suck ;)
Got out yesterday for a shorty 25.52 miles. Had a fun solo ride >>> https://www.strava.com/activities/13526310161 |
I was out yesterday. It was sunny and 83° with a pretty stiff 20mph wind.
We have another cold front coming super bowl Sunday so I plan to enjoy this weather as much as I can. I can’t wait to be complaining about how hot it is. 😄 |
Hottest temps I've ridden in were 140 degrees in SoCal - tires didn't melt, but I did go through 2 water bottles in around 12 miles (was riding super easy, just wanted to see how how it would get while riding that particular day). Even my handlebars and feet were uncomfortably hot that day, it was so hot it felt claustrophobic in some weird way. I live in Tucson and it's strange...it feels warmer here, but it was warmer where I lived in SoCal (Santa Clarita). In Santa Clarita, in the afternoon in summer I'd routinely see 115+ degrees on the Garmin. The most brutal ride I did in the heat was 120-126 degrees through the Santa Monica mtns - death march that day. We were supposed to descend Encinal Canyon and ride up Latigo, but I talked the group into going back up Encinal back to Calabasas where we started from as it was the easiest way out of Malibu (climbing in 124 degrees sucks BTW) as the temps were already hitting 105 degrees on the descent of Encinal to the PCH. A hiker actually died in the mountains from the heat that day. Here in Tucson, I don't really see much above 110 degrees (usually 106 or so) but these days I try to avoid the heat as much as possible. The main difference is here in Tucson in the peak summer heat, it doesn't really cool down below 80 degrees, whereas back in Santa Clarita even in the summer it would get into the upper 40's/mid 50's overnight - for a week or so you might see in the 60's for the 5:30 a.m. Friday morning rides we used to do.
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Originally Posted by GuitarWizard
(Post 23450615)
Hottest temps I've ridden in were 140 degrees in SoCal - tires didn't melt, but I did go through 2 water bottles in around 12 miles (was riding super easy, just wanted to see how how it would get while riding that particular day). Even my handlebars and feet were uncomfortably hot that day, it was so hot it felt claustrophobic in some weird way. I live in Tucson and it's strange...it feels warmer here, but it was warmer where I lived in SoCal (Santa Clarita). In Santa Clarita, in the afternoon in summer I'd routinely see 115+ degrees on the Garmin. The most brutal ride I did in the heat was 120-126 degrees through the Santa Monica mtns - death march that day. We were supposed to descend Encinal Canyon and ride up Latigo, but I talked the group into going back up Encinal back to Calabasas where we started from as it was the easiest way out of Malibu (climbing in 124 degrees sucks BTW) as the temps were already hitting 105 degrees on the descent of Encinal to the PCH. A hiker actually died in the mountains from the heat that day. Here in Tucson, I don't really see much above 110 degrees (usually 106 or so) but these days I try to avoid the heat as much as possible. The main difference is here in Tucson in the peak summer heat, it doesn't really cool down below 80 degrees, whereas back in Santa Clarita even in the summer it would get into the upper 40's/mid 50's overnight - for a week or so you might see in the 60's for the 5:30 a.m. Friday morning rides we used to do.
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Originally Posted by pepperbelly
(Post 23450640)
140°? Are you sure that was the temp? Records show the record high temp in SoCal as 114°.
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Originally Posted by GuitarWizard
(Post 23450645)
Air temps recorded are a lot different than the Garmin on the bike. While the recorded air temp that day was "only" 113 degrees, the actual temperate on the bike was 140 degrees at the hottest part where I rode.
On my local mup there is a stretch about 100 yards long that has shade-almost a tunnel. It feels 20° cooler there during summer. |
Originally Posted by pepperbelly
(Post 23450715)
It must be the heat reflected from the pavement.
If you're riding at least 15 mph, the Garmin temperature ought to be close enough to the air temperature. There's no way that the air temperature was ever 140ºF in Southern California. Recent wildfires excepted. |
I've done other rides where I saw 126 degrees and was riding over 15 mph, and it was definitely nowhere near that hot for the "air temps". Air temps are also taken 30 feet above the ground. I don't typically ride 30 feet above the ground. Either way, I've been in Death Valley in the summer where the car was reporting temps close to this (slightly above, actually), and it felt the same......so, yeah. Also, the Australian Open (back when I used to watch tennis) used to routinely clock on-court temps in the 150+ degree range (obviously the "air temps" were nowhere near this)....and they're not riding along at 15+ mph taking temps there. Keep in mind I lived in SoCal for 5 years, and this was the one day where it got this hot....like I said, my previous "record" for that section was well below this at 126 degrees and I would routinely see temps on the Garmin in the 115-120 range on afternoon rides (and riding faster than 15 mph). I just went at the hottest time of the day and knew where the hottest part of that ride was, so aimed to be there around that time. The rest of the ride was much "cooler", around 125-132 degrees. It was hot enough to where riding faster with generating a breeze did nothing to help cool down.
Then there was this ride....was averaging nearly 120 degrees for 90 minutes or so and got up to 126: https://www.strava.com/activities/4022794760/ https://cimg3.ibsrv.net/gimg/bikefor...787607e422.jpg Me in the middle w/ the HR strap showing |
Originally Posted by GuitarWizard
(Post 23450743)
I've done other rides where I saw 126 degrees and was riding over 15 mph, and it was definitely nowhere near that hot for the "air temps". Air temps are also taken 30 feet above the ground. I don't typically ride 30 feet above the ground. Either way, I've been in Death Valley in the summer where the car was reporting temps close to this (slightly above, actually), and it felt the same......so, yeah. Also, the Australian Open (back when I used to watch tennis) used to routinely clock on-court temps in the 150+ degree range (obviously the "air temps" were nowhere near this)....and they're not riding along at 15+ mph taking temps there. Keep in mind I lived in SoCal for 5 years, and this was the one day where it got this hot....like I said, my previous "record" for that section was well below this at 126 degrees and I would routinely see temps on the Garmin in the 115-120 range on afternoon rides (and riding faster than 15 mph). I just went at the hottest time of the day and knew where the hottest part of that ride was, so aimed to be there around that time. The rest of the ride was much "cooler", around 125-132 degrees. It was hot enough to where riding faster with generating a breeze did nothing to help cool down.
Then there was this ride....was averaging nearly 120 degrees for 90 minutes or so and got up to 126: https://www.strava.com/activities/4022794760/ https://cimg3.ibsrv.net/gimg/bikefor...787607e422.jpg Me in the middle w/ the HR strap showing Also, the standard height for surface air temperature measurement is 2 meters (I don't know where the 30 feet comes from). |
https://www.weather.gov/mfl/analysis...s%20Fahrenheit.
Like I said, I've been in Death Valley before when the "air temp" was around 130 degrees, and this day felt like that. Actually that day in Death Valley, we couldn't turn on the AC as the car would overheat, and it was slightly cooler to keep the windows up while driving versus keeping them down.....and this bike ride was much like that in which riding faster made it feel hotter/no relief. My handlebars were so hot it was a challenge to hold onto them. In much "cooler" temps of 110-115 on the bike, never had that issue. But that's cool, you don't have to believe it....doesn't bother me in the least. |
Originally Posted by terrymorse
(Post 23450815)
Those Garmin readings are easily refuted as overly high. All you need to do is compare them to the official temperatures. I've often seen readings 5-10 degrees higher than the official temperature, but of course I don't believe them.
Also, the standard height for surface air temperature measurement is 2 meters (I don't know where the 30 feet comes from). In case we wanted to setup a home weather station he taught us that temp was taken 4’ high in shade. Back then the thermometer used was in a large wood box with louvers for air flow. |
Well I generally ride a few feet off the pavement (well, when not riding dirt) in the sun, which is clearly much warmer lol. I don't take too much stock in what's listed on the weather apps for riding my bike, I just use it as a ballpark to get an idea of what the temps will be like for the day.
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Originally Posted by GuitarWizard
(Post 23450877)
Well I generally ride a few feet off the pavement (well, when not riding dirt) in the sun, which is clearly much warmer lol. I don't take too much stock in what's listed on the weather apps for riding my bike, I just use it as a ballpark to get an idea of what the temps will be like for the day.
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Originally Posted by pepperbelly
(Post 23450715)
It must be the heat reflected from the pavement.
On my local mup there is a stretch about 100 yards long that has shade-almost a tunnel. It feels 20° cooler there during summer. tunnels of shade - and real tunnels also … the tunnels are often around 20 degrees cooler - often on the hotter days there will be fog near the tunnel entrances (as shown bottom pic below) https://cimg7.ibsrv.net/gimg/bikefor...6c7580987.jpeg https://cimg8.ibsrv.net/gimg/bikefor...ffa27f38c.jpeg https://cimg4.ibsrv.net/gimg/bikefor...8bc27a9bd.jpeg |
Originally Posted by t2p
(Post 23451078)
I almost always ride where there is significant shade on the hottest days
tunnels of shade - and real tunnels also … the tunnels are often around 20 degrees cooler - often on the hotter days there will be fog near the tunnel entrances (as shown bottom pic below) https://cimg7.ibsrv.net/gimg/bikefor...6c7580987.jpeg https://cimg8.ibsrv.net/gimg/bikefor...ffa27f38c.jpeg https://cimg4.ibsrv.net/gimg/bikefor...8bc27a9bd.jpeg |
Originally Posted by pepperbelly
(Post 23451082)
That is so cool! There are no tunnels here. The best I have are mup’s under freeway overpasses.
there are two tunnels on that trail - one around 3350 ft (.67 mile ?) and the other is around 2870 ft (.55 mile ?) not lit and have a curve - so decent light required on the hotter days when the tunnels are much cooler the fog / dampness will be enough to cause the rotors to get wet and squeal when brakes are applied will need to check temp outside and inside of the tunnels to determine the difference a door was installed on one tunnel to limit damage from ice forming during winter months - this was also done to another tunnel on a nearby trail (National Tunnel / Montour trail - see pics below) … the Big Savage tunnel on the GAP is actually closed during the winter months to limit damage from ice - it will reopen in late March I believe https://cimg1.ibsrv.net/gimg/bikefor...9423a3c7d.jpeg https://cimg2.ibsrv.net/gimg/bikefor...830ba6ee3.jpeg temps can also vary significantly in some areas near ravines and through rock cuts - passing by / through will feel like a burst of air conditioning … one area trail (Redbank Valley trail) actually has large thermometers to display the temperature difference when passing through a limestone cut (pics below) https://cimg8.ibsrv.net/gimg/bikefor...5f3c2dedd.jpeg https://cimg9.ibsrv.net/gimg/bikefor...4a378ec80.jpeg https://cimg0.ibsrv.net/gimg/bikefor...cb2aea634.jpeg |
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