Table of contents
All about the weather
All about the weather
Azores high or Iceland low? Cold or warm front? Summer or frontal thunderstorms? If you have some basic knowledge of the weather, you already have half the battle in planning your trip? and less frustration on the go.
Hardly anything else shapes a motorcycle tour as strongly as the weather. One
Alpine tour under the bright sun
a pleasant 25 degrees can be the peak of feelings. The same route a day later in heavy rain and torn down just above zero has nothing, absolutely nothing attractive. On the contrary, after the first slides in the wet serpentines and minimal inclines, one wonders why one is at all
has set off. Modern equipment keeps you dry and warm, but beautiful is still different. We can’t change the weather? but learn his assessment and how to deal with him.
There are basically two ways of doing this. The first and for everyone outdoors-
Activities indispensable is of course paying attention to the weather report. Previously only accessible via television, radio or newspaper, today it is available around the clock via the Internet. The second is especially important when you’re on the move: your own weather observation. Especially clouds, their formation
and change, give clues to that
further development. And for accurate decisions. For example
a violent but brief summer thunderstorm
relaxed in the pass hospice
while a frontal thunderstorm is one
The approaching cold front leads to sustained falls in weather and temperature. Good for those who can distinguish here.
It starts with the weather report before the start of the journey. A good overview of the weather situation and precise forecasts for up to five days are provided by two differently working companies whose forecasts sometimes differ from each other: The German Weather Service (DWD) and Meteomedia AG
by Jorg Kachelmann. The DWD traditionally supplies the Tagesschau, the heute news and most of the radio-
broadcaster, while Jorg Kachelmann moderates his own program “Das Wetter im Erste” daily at 7:50 pm, as well as the weather section of the daily topics and some private broadcasters.
The lively Swiss, who appeared with Meteomedia in 1991, put the 2700-strong national weather service in charge
in Offenbach with its sometimes much more precise forecasts of devastating storms ?? like for example Sturm Lothar 1999 ?? powerful under pressure. Systematic weather observation has been a tradition in Germany since 1781. With help of a
huge networks developed during World War I are now becoming daily
The data from 10,000 mobile and static weather stations have been compiled across the globe. And in super-mainframes in England, America and the DWD in Offenbach in a kind of grid-
system the further weather development
forecast. The Offenbachers say
based on these measured values, predict the weather in Germany. Your weak point: the regional forecast.
This is Jorg Kachelmann’s niche. It also uses the raw data from the computer as a basis, but supplements it with measured values from its own over 300 weather stations spread across Germany and neighboring countries. The precise forecasting possibilities for him
for the regional weather development: “It would be stupid to rely only on the mainframe.” And Kachelmann jumped on a new trend with his sponsor-supported work: weather as a media event. “With the stronger one
The importance of free time also grew so did the importance of the weather. «In the USA, for example, the Weatherchanel ensures the highest audience with programs around the clock-
quotas. The internet is also benefiting from this, with more and more tourist organizations putting their own weather links online.
For your own prediction it helps to know some ?? grossly simplified ?? meteorological facts. Our globe moves through the icy space with an atmosphere covering around 800 kilometers. In the bottom layer,
up to about 15 kilometers in height
the clouds and this is where our weather is created. Due to different zones of the earth and their radiation or evaporation, such as moist, cool seas or dry-hot soils, the air masses above them are also heated differently or enriched with moisture. We differentiate between high pressure-
offer that bring dry and beautiful weather, and low pressure systems with humid, cloud-rich air masses and correspondingly cloudy, rainy weather. The latter are clearly recognizable on the satellite images due to their white swirls of clouds, while the cloudless highs appear invisible. In the absence of a cloud filter, these ensure freezing cold in winter and inten in summer-
sive sunlight and soil-
heating up. As a result of the earth’s rotation and high air currents move
these air masses over long distances
Knowing the current direction of movement of these air systems, recognizing changes during the tour and being able to initiate possible alternatives would be
the ideal condition for the weather-conscious
Bikers. The “stable high above Central Europe”, as it brought weeks of sun for weeks last summer, is perfect for a tour.
As a rule, however, as a result of sea evaporation or the ingress of polar air masses, a low pressure zone always brews up over the northern latitudes or the Mediterranean and migrates towards the continent. Mostly after the interlude of a short warm front
the cold front of the low pressures that
comfortably spread out warm air cushions. The critical moment. Because in contrast to the sluggish high pressure fields
Low pressure systems move dynamically, sweep in at up to 60 kilometers per hour, push their cold fronts like
put an icy wedge under the warm air and force it to escape
Attentive observers can use several indicators to see the weather change up to 48 hours in advance. In addition to changed behavior in nature? Marmots flee into their burrows, swallows lower their cruising altitude, plants collapse their leaves? is indicative of a rapid drop in air pressure (the altimeter from mountain biking or alpine sports already shows).
Most noticeable, however, is the change in the clouds. It begins
with harmless-looking cirrus clouds,
which spread almost imperceptibly and noticeably condense. Build later
more intense layer clouds from the pulling direction of the low rise on the horizon. Then in the morning the sky still flames
in bright red, it is mostly about the nice weather. When the really dark clouds come up, the valley run should already be targeted. The weather seldom changes without conflicts: Most of the time, the tensions of the clashing air masses are discharged in violent frontal thunderstorms, es
a rapid reversal follows with sustained changes in temperature and weather. In contrast to a brief, violent summer thunderstorm, after which the sun is shining again soon. Dangerous for the engine-
However, cyclists are both and the causes are similar. Through
the meeting of warm and cold air masses ?? during summer thunderstorms due to floor heating and rapidly rising, sultry evaporation heat, during frontal thunderstorms due to the cold front ?? a cumulus cloud of the highest energy level develops. Through constant striving for air exchange ?? warm up, cold down? wind speeds of up to 200 km / h arise inside the increasingly powerful cloud, which can even be dangerous for jumbos and develop energies of several million volts. Although they let off steam mainly within the cloud with their discharge flashes, they occasionally also look for the shortest route to earth. Danger to life for motorcyclists as the dissipative Faraday cage that protects car occupants is missing. So dive into the valley or the next pub in good time (see box). But as a future meteorologist you will not miss the first signs of such dangers anyway.
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