List of Figures

February 19, 2012

All Good Things

Exhibit A:
This is a very interesting historiated initial from a very interesting manuscript. Illustrating a small text about a comet, it comes from one of the earliest encyclopaedias in the modern sense of the word. Organized alphabetically, Omne Bonum (literally, All Good Things) was composed and written circa 1360s-1370s by James le Palmer, clerk of the Exchequer, probably for Edward III. A team of illuminators, almost certainly instructed by the author, added hundreds miniatures, making this book one of the best windows into the fourteenth-century mind we have.
Having stayed in the Royal Collection for some four and a half centuries, it was eventually donated, along with thousands of other books, to the British Museum by George IV in 1823. Now in a special section of the British Library (a section almost impossible to get access to), it is also available online: MS Royal 6 E VI, MS Royal 6 E VII (it’s actually in four volumes now, but they kept the old nomenclature).
I enjoyed browsing it immensely. Here’s a selection of some of the more curious images:
Teeth: dentist at work Age: сhildren playing with toys and catching butterflies Jews (expelled from England in 1290) Adolescence (note the convex mirror) Brain: trepanation Colour: artist mixing pigments
I found this gem thanks to the BBC’s Illuminations: The Private Lives of Medieval Kings.
You can see a couple of excerpts from it on my new blog: 1, 2.

Exhibit B:
Now, this miniature is a good example of how you shouldn’t believe your intuition when interpreting old images. At least one texbook and one generally reliable photo bank tell us that this is a very early depiction of multiple waterspouts bursting from a cloud lit by lightning, from a 13th century manuscript De natura rerum by Albertus Magnus. A few places on the web repeat this very believable claim, and so, at first, did I.
But then I found the manuscript itself and a dissertation about it. The text of the manuscript and other illustrations in it are unambiguous: this is supposed to be a solar eclipse. You’d never think you could mix up those two, would you?
The circular spinning top, half-hidden behind the clouds, is in fact the Sun (compare it to the vista of the night sky from the same chapter, and to a roughly contemporary parallel — both shown below). And those wavy things are either light rays or some kind of emanating matter\energy (the very next page has a star or a comet with a similar tail, and an earlier example shows God moving primeval substances in a similar manner — ibid).
They got the author wrong, too, by the way. The text was actually written by Albert’s friend and student Thomas of Cantimpré. Full reference, for posterity:
Thomas of Cantimpré, “De natura rerum”, Valenciennes Municipal Library MS 320, folio 196v, miniature of a solar eclipse.
P.S. I would like to thank Christopher Chatfield and Chet Van Duzer for helping me to get to the bottom of this.

September 1, 2011

Tornado as a sign

I’ve already discussed this detail from a Charles V tapestry, produced circa 1550:

It depicts an instantly recognizable tornado cloud descending next to the Montserrat mountain in Spain. Charles V went on a pilgrimage to the Montserrat monastery before embarking on the Conquest of Tunis in 1535. Since the whole campaign has been meticulously documented and no mention of the tornado is known, it’s been argued that “the tornado … indicates God’s blessing of the expedition”.[1] Although initially not convinced, I’ve since found several parallels that seem to substantiate the hypothesis.

Recently, Miquel Gayà published several relevant examples from early chronicles and history books.[2] For example, one of the Punic battles, close to the River Ebro circa 205 B. C., was accompanied by a snake that “demolished everything in its path with a swirling mass of water that kept on coming”. Describing the battle in 1601, historian Juan de Mariana used the waterspout as a premonition of the outcome. Similarily, a 1430 chronicle describes a violent whirl that foretold the defeat of the Christian forces in a 711 battle during the Arab invasion of Spain.

Another striking example, currently the earliest image of a tornado-like phenomenon I know of, is Paolo Uccello’s “Saint George and the Dragon” (circa 1470):

As fist discussed by Martin Davies (in a paper published in 1959, the same year the picture was bought by the National Gallery in London3), the eye of the storm aligns perfectly with the saint’s lance. Thus, it is commonly agreed that the vortex represents the celestial aid, answer to St George’s prayers. As such, it is comparable to other iconic symbols of God’s intervention common in this context: Finger of God, rays of light, rainbow, ring of clouds, etc.

On a sidenote, in all the books and papers I could find, the whirlwind is only discussed in terms of its symbolic meaning, and not as a depiction of a natural phenomena. Well, I can fill this gap.

While the unusual spiral form of the cloud is probably unique in Renaissance painting, some early modern parallels can be named. Firstly, there’s a woodcut of a similarly shaped descending eddy in Ralph Bohun’s 1671 treatise on wind4:

Then, for something completely different, a Japanese silkscreen The Chinese Immortal Ch`en Nan Causing a Rainstorm painted circa 1770 by Soga Shohaku, depicts a dramatic thunderstorm scene with several helpless people being blown away:

Last but not least, there’s a series of sketches by no other than Leonardo da Vinci himself. Executed circa 1517-1518, toward the end of his life, the 11 drawings are collectively known as Deluge or Visions of the End of the World.[5] Here is the most expressive and best known of them:

Although overly theatrical — with buildinds, mountains and even the sky itself crushing into the sea — the images are actually very realistic in one respect. Intense spiral bursts of wind descending from a storm cloud and spreading as a vortex ring over the ground are a classic sign of downbursts.[6] These are fairly common and pose a significant danger to aircraft, but can rarely be observed directly, and were only first described by Ted Fujita in 1976, in the aftermath of the crash of Eastern Air Lines Flight 66 in JFK Airport in New York on 24 June 1975.

Returning to “St George”, I’m not saying the picture naturalistically depicts an actual downburst. But it could be inspired by a downburst Uccello or one of his contemporaries saw and recognized, in which case they foreshadowed the insights of Leonardo and Fujita by 50 and 500 years accordingly.

References:

  1. Klaus P. Hoinka, Manuel de Castro “A Renaissance Depiction of a Tornado” (2005) Bull. Amer. Meteor. Soc., 86, 543–552. google scholar
  2. Miquel Gayà, “Tornadoes and severe storms in Spain” (2011) Atmospheric Research, Volume 100, Issue 4, June 2011, Pages 334-343. Elsevier
  3. Martin Davies, “Uccello’s ‘St George’ in London”, The Burlington Magazine, Vol. 101, No. 678/679, Sep.-Oct., 1959. jstor
  4. Ralph Bohun, “A Discourse Concerning the Origine and Properties of Wind”, Oxford, 1671. National Oceanic and Atmospheric Adminiatration
  5. Zoomable versions of Leonardo’s Deluge drawings are available at the Royal Collection
  6. Stanley David Gedzelman, “Leonardo da Vinci and the Downburst”, Bulletin of the American Meteorological Society, vol. 71, Issue 5, pp. 649–791. AMS

April 5, 2011

Tornado galore

Filed under: Meteorology — Tags: , — Pavel Voronin @ 10:00 pm

I started TornImage, a database documenting depictions of tornadoes and related phenomena in art and science. It turns out, nobody has ever done that!
Scouring scientific and art literature as well as the web, I try to document everything I find as thoroughly as possible (descriptions, references, quotes, links, related images etc.). But you can also just enjoy the pictures!
Excluding the ones I’ve already posted, here is the first batch:

Bonus-pack, a big set of newspaper illustrations of the destructions caused by the 1886 tornado in Madrid:

March 16, 2011

Tornado!

Nowadays, everyone knows what a tornado looks like. Any kid can doodle you a rope-shaped or a trombone-shaped one. The characteristic shape is so recognizable, even when simplified to the limit, that it can be easily used in art as a symbol. An elegant example of that can be seen in the Dutch city of Leiden; one of its many wall poems is “Maskoke Okisce” (“A Creek Fable”) by the Creek Indian poet Lois Little Coon Oliver:[1]

So, imagine my surprise, when I found out that tornadoes were virtually unknown to the Western civilisation until the onset of the scientific age. Not a single depiction of a convective atmospheric phenomena (waterspout, whirlwind, dust devil etc.) is known before the 16th century!

The oldest printed one is from a 1587 broadsheet, describing a tornado observed on July 1 that same year in Augsburg, Germany:[2]

Recently, this was antedated by some 40 years in a paper by Klaus Hoinka and Manuel de Castro.[3] There is a very conspicuous slim funnel-shaped cloud in the very center of the first tapestry of the “Conquest of Tunis” series, produced for emperor Charles V by Willem de Pannemaker in 1549-1551 and based on 1546-1550 cartoons by Jan Cornelisz Vermeyen:4

What’s more, the first tapestry also has a depiction of heavy rain, while the fourth has a sandstorm and more rain:

While the sandstorm played a significant role in the campaign and is well documented, there is no mention of a tornado in contemporary documents. Hoinka and de Castro argue that the placement of the funnel next to the important Montserrat monastery (where the attack on Tunis was started), and its connection to massive clouds5 both point to the symbolic use of tornado:

A literature search indicates that the depicted weather phenomena, except the sandstorm, were not recorded during the crusade to Tunis. The tornado and the heavy rain seem to be implemented in order to emphasize symbolically the beginning and ending of the “holy crusade.” The tornado that appears close to the Montserrat mountain indicates God’s blessing of the expedition, which began in Barcelona. The final battle occurred in Tunis where a storm with heavy rain appears on the tapestry. The symbolic interpretation of the storm is that it should be seen as a manifestation of divine anger and punishment of the Muslim corsair Barbarossa. On the other hand, the rain storm could also indicate God’s blessing and approval of the troops who needed rain. Arguments can be made to support both interpretations, and it is not clear that one needs a definitive answer either way, as long as one knows that it has some deeper meaning.

This is in agreement with Cooper (1978), who pointed out that whirlwinds and tornadoes were regarded as a manifestation of energy in nature, rising or descending from a center of power associated with God. The funnel, thus, becomes a vehicle for divinity. Similarly, Cirlot (1988) corroborates this because symbolically “everything that occurs in heaven or descends therefrom, has a sacred quality about it.”

As plausible as it sounds, I have to say I’m not totally convinced. There’s at least two more things this research needs:

  1. Other examples (written or painted) of tornadoes or something similar, linked to a blessing and not punishment. I searched the relevant literature and couldn’t find any.
  2. Historical records on tornadoes in the Montserrat area. If it’s possible there was one anywhere nearby, the whole argument crumbles somewhat.

Both these images had only a limited impact. The leaflet was only circulated in Augsburg. The tapestries, although 4 by 7-12 metres (over 100 metres combined!) and occasionally hung on the outside walls of buildings, were only seen by the elite. So, the first image of a tornado to be seen by a wider public was a small drawing of several types of wind from Orbis Pictus[6] by John Amos Comenius (it is also the only 17th century depiction of tornado I know of). The first children’s picture book, Orbis Sensualium Pictus (The Visible World in Pictures) was published in Nuremberg, 1658 in Latin, and in countless places, languages and forms ever since. It is very much a product of its time, and I love it to bits:

A Wind under Ground causeth Earthquake!

References:

  1. The poem is in Muskogee language and can be roughly translates as “The little children say: the Tornado’s words come from evil spirits that the tail steals from the turtle, and after, they spin quickly round and round to the ground scared to death.”.
  2. Wegener, A. L., 1917: Wind- und Wasserhosen in Europa (Tornadoes and Waterspouts in Europe). Vieweg und Sohn Verlag, 301 pp. Scans (in German)
  3. Klaus P. Hoinka, Manuel de Castro “A Renaissance Depiction of a Tornado” (2005) Bull. Amer. Meteor. Soc., 86, 543–552. google scholar
  4. Vermeyen accompanied Charles V during his 1535 Tunis campaign and brought back a series of preparatory sketches; I know nothing about their fate. The series consisted of 12 cartoons and tapestries, only 10 of each still exist. The first one only exists in tapestry form.
  5. The clouds in question, by the way, are totally unconvincing. Tornadoes are never associated with fair-weather cumulus.
  6. 1887 London edition, containing the original 1658 woodcuts and Latin text + the oldest 1659 English translation can be found here. The tornado illustration was identified in: M. Setvák et al “Tornadoes within the Czech Republic: from early medieval chronicles to the internet society”, Atmospheric Research, v. 67-68, 2003, pp. 589-605. (google scholar)

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