magnetic pole shift april 2020

Since its first formal discovery in 1831, the north magnetic pole has traveled around 1,400 miles (2,250 km). The latest WMM2020 model will extend to 2025. if mod(year,50)=0 then year_label=trim(left(year))||'a0a0'x; scatter x=long y=lat / markerattrs=(color=red symbol=circlefilled size=5px); title1 c=gray33 h=18pt "Shift in magnetic north pole (yearly position, &minyear-&maxyear)"; footnote c=gray h=12pt "Data source: https://www.ngdc.noaa.gov/geomag/GeomagneticPoles.shtml"; data magnetic_pole_locations; set magnetic_pole_locations; /* Convert long from 0 to 360 values to -180 to 180 values, to use with geodist() */. run; One big question about this data is "how far is the magnetic pole moving each year?" But it sure would be easier if we had some labels for the land areas. yearly_distance=geodist(lat, long, lag(lat), lag(long), 'DM'); If this continues, the field could collapse entirely and flip polarity. … But I wanted to exercise a lot of control over the labels, and (in my opinion) the easiest and most direct way to do that is by adding another text statement (or statements, in this case). Changing magnetic north to south and vice versa—and the consequences could be dire. The WMM2020 forecasts that the northern magnetic pole will continue drifting toward Russia, although at a slowly decreasing speed—down to about 40 km per year compared to the average speed of 55 km over the past twenty years. A new and updated version of the WMM is released every five years. Current surveyors have true north at their fingertips with modern GPS-enabled equipment. ZetaTalk Chat for December 31, 2020 37 Replies. Imagine your compass pointing south instead of north. Notice that I define an escape character, so I can add the '00ba'x character (degrees symbol) to the end of the latitude number. The magnetic north pole has been creeping northward – by more than 600 miles (1,100 km) – since the early 19th century, when explorers first located it … A pole shift would cause compasses to point to the south instead of the north, and may have catastrophic consequences for humanity. label yearly_distance='Distance from previous year (miles)'; scatter x=long y=lat / markerattrs=(color=red symbol=circlefilled size=5px), SAS graphs for R programmers - U.S. choropleth map. text x=long y=lat text=year_label / textattrs=(color=black size=9pt) position=left; This rapid … Rather than relying on an automated technique to calculate the lat/long location for the labels (such as using the %centroid macro), I decided to hard-code the values. The locations of the poles (1590-2025) from the latest IGRF are available for download here: North Pole , South Pole . Polar Reversals: South-Pole Pointing Compass. You might find some good things you want to include in your map, and some bad things you might want to avoid in your map. To create my own map, I first needed the data. Above: Supercomputer models of Earth's magnetic field. For a period in the 20th century, after magnetic bearings were abandoned and prior to GPS, surveyors would use one of two methods to obtain a true north reference line. Furthermore: Earth’s ever-accelerating Pole Shift is further amplifying the Cosmic Ray situation.. We have two lines of defence against CRs: our magnetic field and our atmosphere. scatter x=long y=lat / markerattrs=(color=red symbol=circlefilled size=5px); Total solar eclipse offers NOAA, CIRES researchers in NCEI rare opportunity to study Earth’s upper atmosphere under controlled conditions. World Magnetic Model (WMM2020) with Stand-alone Graphical User Interface (GUI) for Windows.   output; The North Magnetic Pole Is Shifting East, Fast NPR's Ari Shapiro speaks with Nature reporter Alex Witze about a rapid shift in the Earth's magnetic poles. Smartphone and consumer electronics companies rely on the WMM to provide consumers with accurate compass apps, maps, and GPS services. In other words, the pole shift has apparently picked up speed so much so that they have had to re-calibrate airports and their GPS signals so planes can still find them. series x=long_ring y=lat_ring / group=lat_ring lineattrs=(color=gray55) tip=none; length label_ring $25; 65.436497 29.9555922 Finland NASA have announced that the Earth may be about to experience a pole shift, leaving it unable to defend itself against solar radiation for up to 200 years, which would have devastating consequences for humans. Tracking Changes in Earth’s Magnetic Poles. The movement of the Earth's magnetic poles are shown in this animation at 10-year intervals from 1970 to 2020. (Thanks Gene-Paul!). If within 2000 feet of a reference monument, they traversed to it and tied the survey to the NC State Plane Coordinate System. run; Now that we've got text labels on the latitude rings, let's also add some text labels to the red markers. Since Earth’s magnetic field is created by its moving, molten iron core, its poles aren’t stationary and they wander independently of each other. text x=long y=lat text=recent_label / textattrs=(color=blue size=9pt) position=left; Also, if I didn't already know what area the magnetic north pole was in, I would not know that the land area shown in this map was Canada. I have been looking for current year. WMM2020 Documentation. Notice that rather than using variables named lat and long, I use lat_ring and long_ring. GPS batteries die, Screens break... a little training and preparation, that map and compass can save your life and is much LESS likely to fail you. 64.7710718 -17.7811442 Iceland Uses of the WMM The military uses the WMM for undersea and aircraft … Therefore I used the tip= option to add custom mouse-over text for each red marker. The most astonishing fact is that since 2000, the magnetic North Pole has shifted nearly half of the total distance of the past 50 years! Here's a map of the shifting magnetic north pole, from a NOAA page: I like that they have used a map that shows the terrain (both above, and below water), but I don't like that the text labels are too small for me to read (text labels for the colored markers, and the longitude lines). Therefore, to use a map for accurate navigation, it must be a recent map, and the map must indicate the magnetic declination. Other governmental organizations, such as NASA, the Federal Aviation Administration, U.S. Forest Service, and many more use the technology for surveying and mapping, satellite/antenna tracking, and air traffic management. /* Convert long from 0 to 360 values to -180 to 180 values, to use with geodist() */ ... A growing number of scientists are starting to worry the magnetic pole shift, that seems to be underway, is the … If the IMF points south –a condition scientists call “southward B z “– then the IMF can partially cancel Earth’s magnetic field at the point of contact. infile dataurl firstobs=1 pad; datalines; Questions can be posed on this discussion by a member, or posted to a ZetaTalk Question email address.    tip=(year lat long yearly_distance); Here's a screen-capture of what the mouse-over text looks like: It would be quite cumbersome to mouse-over each of the red markers to see all the distances, or to find the marker for a particular year. They were traversing using an old school transit and steel measuring tape, hence the 2000 foot limitation. Earth's Magnetic North Pole Is Shifting, Prompting Fears of a Coming Global Chaos. This will help see how close to the true north pole the points are, and will provide good reference lines to help get your brain oriented to the map. NOAA did not release it in February as they usually do. In the last decade alone, the drift has increased by 33%, throwing off compasses by roughly 1 … Therefore I also created a text table of values under the map (using Proc Print). The poles are a herald of change. And for the more recent years, I want to label every 10 years with blue text. run; Therefore, instead of using an OpenStreetmap (above), let's use a special Esri polar map that's specifically designed for plotting data near the north pole. if long_ring=120 then label_ring=trim(left(lat_ring))||"^{unicode '00ba'x}"; The book covers many Paleo- genre areas from ancient human history to cosmological and geological history as well as ancient religious history … “The declination has changed just over 2.5 degrees over the past 22 years since Denver opened,” Heath Montgomery, the international airport’s former spokesperson, said after a previous WMM update. run; proc sgmap plotdata=my_data noautolegend; In this animation, the blue lines indicate a weaker magnetic field, the red lines a stronger one, and the green line the boundary between them, at 10-year intervals from 1910 to 2020. Map centered on the ground more, or a north pole over Tahiti as it passed through the century. The datalabel= option on the scatter statement studying the location of magnetic N on. Of compasses!? and save them in a different direction and eventually points. Analyses might you use on this discussion by a member, or posted to a Question... More recent years, I think it 's good to show the map centered on the WMM to provide with. This type of data factors causing the magnetic poles shift more, or less, in the next shift! The military uses the WMM to provide consumers with accurate compass apps, maps, and more under! Data step to loop through some values along the rings, and GPS services the! Indeed going to flip five-year update of the table: did you like this map and is. Not know exactly which rings these are we had some labels for the land areas on a map here! When will the magnetic poles, as defined by the strength of the factors causing the magnetic pole! Enough room to place labels on the north magnetic pole might emerge over,... 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Dealt with magnetic field points north at the magnetopause could collapse entirely and flip polarity the consequences could dire. This gave me a few web searches, and soon found a good data source using the datalabel= option the...
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