Within Cressy

Could weather have fooled Cressy witnesses?

Cloud, rain and uncertain scale make the Cressy objects difficult to judge even if the observers described them carefully.

On this page

  • The wet evening sky over the Western Tiers
  • Why size and speed estimates were fragile
  • Ordinary limits without a full debunking
Preview for Could weather have fooled Cressy witnesses?

Introduction

Could weather have fooled the Cressy witnesses? The answer is that it could have affected some of the most important parts of the observation without necessarily meaning that Reverend and Mrs Browning imagined the event. The 4 October 1960 sighting occurred while rain and low cloud lay over the country east of Cressy towards the Western Tiers. The official report records overcast conditions, rain in the area of the object and cloud obscuring parts of the landscape. In those circumstances, judging how far away an object is becomes extremely difficult. If the distance estimate is uncertain, estimates of size, height and speed become uncertain as well. This is one of the strongest sceptical criticisms of the Cressy case and remains relevant even if the witnesses were sincere observers. [kirkmcd.princeton.edu]kirkmcd.princeton.edujem tape achives basterfieldEditor's note: The sighting occurred on the 4 October 1960, and is known, in…Read more…Published: October 1960

Weather doubts illustration 1

The wet evening sky over the Western Tiers

The Cressy sighting was not reported against a clear blue sky. According to witness statements and later summaries drawn from the Royal Australian Air Force file, the objects were seen near rain squalls and low cloud over the country east of the rectory. Reverend Browning believed the main object emerged from a rain cloud and then returned towards it. The weather therefore formed part of the sighting itself rather than merely providing a background. [kirkmcd.princeton.edu]kirkmcd.princeton.edujem tape achives basterfieldEditor's note: The sighting occurred on the 4 October 1960, and is known, in…Read more…Published: October 1960

This matters because rain curtains, broken cloud and patches of darker sky can alter how objects appear. A distant object moving behind varying layers of rain can seem to change shape, fade, stop or reappear. Even experienced observers can struggle to determine whether something is in front of a cloud bank, inside it, or far beyond it when visual reference points are weak.

The Brownings attempted to estimate location by relating the object to landmarks around the Panshanger district. That was a reasonable method, but it still depended on the assumption that the object was actually positioned above those landmarks rather than merely appearing to be from the observer’s viewpoint. If that assumption was wrong, all later calculations inherited the same error. [Facebook]facebook.com1960 Cressy incident rememberedRev Browning estimated from landmarks below the object, that it was over Panshanger Estate owned b…

Why size and speed estimates were fragile

One of the most striking features of the Cressy report is the apparent precision of the estimates. The main object was described as roughly comparable in length to a Viscount airliner, perhaps about 100 feet long, travelling at around 60–70 mph and located several miles away.

However, such figures were not directly measured. They were derived from a chain of assumptions:

  1. The object was thought to be about three and a half to four miles away.
  2. That estimated distance was used to infer its size.
  3. The estimated size and apparent movement were then used to infer speed.

If the first assumption was wrong, the others changed dramatically.

For example, an object believed to be four miles away but actually only one mile away would be only a fraction of the estimated size. Conversely, a much more distant object could appear surprisingly large if viewed through gaps in cloud. A relatively small error in perceived distance can produce very large errors in estimated dimensions and velocity. This is a well-known limitation of visual observations of aerial phenomena, especially when there are no reliable range cues such as radar, photographs or multiple observation points. [Army]army.milHistory Mystery from the Archives | ArticleThe pilots estimated the object to be 40–50 feet in diameter, with speeds of over 700 miles per hour. was approximately 39 feet…

The same problem applies to the smaller objects reportedly accompanying the larger one. Their apparent rapid movements may have been real, but apparent speed in the sky is heavily influenced by distance. A nearby object can appear to move quickly across the observer’s field of view, while a distant object can seem almost stationary. Without a secure distance measurement, claims about extraordinary acceleration become difficult to evaluate.

Weather doubts illustration 2

Could cloud have exaggerated unusual behaviour?

Some reported characteristics of the sighting become less certain when cloud is considered.

The witnesses described the larger object stopping and later reversing direction. They also reported smaller objects emerging from low cloud and then disappearing back into it. These observations may accurately reflect what they saw, but cloud can complicate interpretations of movement.

When an object passes behind uneven cloud or rain, part of it can disappear before the rest. This can create the impression of abrupt turns, sudden stops or instantaneous appearances. Similarly, if visibility changes from moment to moment, an object moving steadily may appear to jump from one position to another.

None of these possibilities fully explains every detail of the report. They simply illustrate why investigators treat motion estimates made against broken cloud with caution. The weather conditions reduced the number of reliable visual references available to the witnesses at the very moment they were trying to judge distance and movement. [kirkmcd.princeton.edu]kirkmcd.princeton.edujem tape achives basterfieldEditor's note: The sighting occurred on the 4 October 1960, and is known, in…Read more…Published: October 1960

Ordinary limits without a full debunking

The weather argument is often misunderstood. It is not a complete debunking of the Cressy sighting.

The Brownings were interviewed, named publicly and generally regarded as honest witnesses. The RAAF officer who assessed them concluded that they were sincere and not inventing the story. The question is different: whether sincere witnesses observing an unusual scene through rain and cloud could accurately determine the range, size and behaviour of what they saw. [kirkmcd.princeton.edu]kirkmcd.princeton.edujem tape achives basterfieldEditor's note: The sighting occurred on the 4 October 1960, and is known, in…Read more…Published: October 1960

From a credibility perspective, the weather issue cuts both ways:

  • It supports the idea that the witnesses may genuinely have struggled to interpret an unusual visual event.
  • It weakens confidence in exact estimates of distance, size and speed.
  • It makes later reconstructions more speculative because there was no independent measurement of the object’s position.
  • It does not prove that the witnesses misidentified a conventional object.

This leaves the Cressy case in a middle ground familiar in Tasmania’s UFO history. The sighting remains notable because of the witnesses’ reputation and the detailed descriptions they provided. Yet the same conditions that made the scene dramatic—a wet evening sky, rain squalls and low cloud near the Western Tiers—also created the strongest reason to be cautious about the numerical estimates attached to the report. The weather does not solve the mystery, but it provides a plausible mechanism by which ordinary perceptual errors could have amplified an already unusual observation. [kirkmcd.princeton.edu]kirkmcd.princeton.edujem tape achives basterfieldEditor's note: The sighting occurred on the 4 October 1960, and is known, in…Read more…Published: October 1960

Weather doubts illustration 3

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Endnotes

  1. Source: kirkmcd.princeton.edu
    Title: jem tape achives basterfield
    Link: https://kirkmcd.princeton.edu/JEMcDonald/jem_tape_achives_basterfield.pdf
    Source snippet

    Editor's note: The sighting occurred on the 4 October 1960, and is known, in...Read more...

    Published: October 1960

  2. Source: facebook.com
    Link: https://www.facebook.com/groups/1586408548258884/posts/3561110637455322/
    Source snippet

    1960 Cressy incident rememberedRev Browning estimated from landmarks below the object, that it was over Panshanger Estate owned b...

  3. Source: army.mil
    Title: History Mystery from the Archives | Article
    Link: https://www.army.mil/article/227612/history_mystery_from_the_archives
    Source snippet

    The pilots estimated the object to be 40--50 feet in diameter, with speeds of over 700 miles per hour. was approximately 39 feet...

  4. Source: facebook.com
    Title: The extracts
    Link: https://www.facebook.com/groups/629810917109125/posts/9799048606851931/
    Source snippet

    1954 flying saucer sighting in Cressy, Victoria, mentioned...🛸🛸 A kind member has sent this information on the Flying Saucer sighted in...

  5. Source: facebook.com
    Title: on april 1 1960 the us launched its first weather satellite into orbitspace hist
    Link: https://www.facebook.com/spacecom/videos/on-april-1-1960-the-us-launched-its-first-weather-satellite-into-orbitspace-hist/1848396265861098/
    Source snippet

    On April 1, 1960, the U.S. launched its first weather satellite...The satellite was equipped with TV cameras and video recorders that tr...

    Published: April 1, 1960

  6. Source: history.osu.edu
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    Cressy - Department of HistoryI am primarily a social historian of early modern England. I am interested in all aspects of the society, c...

  7. Source: tennisexplorer.com
    Link: https://www.tennisexplorer.com/player/cressy/
    Source snippet

    MaximeCountry: USA Height / Weight: 201 cm Age: 29 (8. 5. 1997) Current/Highest rank - singles: - / 31. Sex: man Plays: right...

Additional References

  1. Source: cia.gov
    Link: https://www.cia.gov/readingroom/document/cia-rdp81r00560r000100010001-0
    Source snippet

    THE NATIONAL INVESTIGATIONS COMMITTEE ON...Blue Book UFO investigation, prepared analyses of UFO data for AF, liaison officer between Da...

  2. Source: londonpicturearchive.org.uk
    Link: https://www.londonpicturearchive.org.uk/view-item?i=122545
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    Cressy Houses in Stepney GreenView of the central courtyard of Cressy Houses, Stepney Green, Stepney, four-storey Victorian red brick dwe...

  3. Source: arxiv.org
    Link: https://arxiv.org/html/2502.06794v2
    Source snippet

    only been observed by professional engineers, scientists, and astronomers...Read more...

  4. Source: atptour.com
    Link: https://www.atptour.com/en/players/maxime-cressy/c0bc/overview
    Source snippet

    Maxime Cressy | Overview | ATP Tour | TennisOfficial tennis player profile of Maxime. Weight189 lbs (86kg) Height6'7" (201cm) Turned pro2...

  5. Source: youtube.com
    Title: Why Are Many UFO Sightings Just Misidentification?
    Link: https://www.youtube.com/watch?v=dSfAIKDGvvI
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    "Close Encounters Down Under" "Tasmania" OR "[Valentich]({{ 'valentich/' | relative_url }})" Preview: CLOSE ENCOUNTERS DOWN UNDER (New 6-Part Series on UFOs) Grant Lavac...

  6. Source: find-and-update.company-information.service.gov.uk
    Title: company-information.service.gov.ukcressy management limited
    Link: https://find-and-update.company-information.service.gov.uk/company/04106998
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    Companies House - GOV.UKCRESSY MANAGEMENT LIMITED - Free company information from Companies House including registered office address, fi...

  7. Source: ebsco.com
    Title: unidentified flying objects ufos phenomenon 1960s
    Link: https://www.ebsco.com/research-starters/history/unidentified-flying-objects-ufos-phenomenon-1960s
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    Unidentified Flying Objects (UFOs) phenomenon of the...The UFO phenomenon of the 1960s marked a significant evolution in public percepti...

  8. Source: atptour.com
    Title: cressy announces break from atp tour 2025
    Link: https://www.atptour.com/en/news/cressy-announces-break-from-atp-tour-2025
    Source snippet

    Maxime Cressy shares plans to 'step away from the Tour'30 Jul 2025 — Maxime Cressy is taking a break from the ATP Tour, the 28-year-old s...

  9. Source: governmentattic.org
    Title: An Annotated Bibliography, Lynn E
    Link: https://www.governmentattic.org/13docs/UFOsRelatedSubjBiblio_Catoe_1969.pdf
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    Catoe, Prepared byReport of UFO sighting allegedly witnessed by 70 people at Fort-Lamy airport. France, on March 27, 1955. Fuller, Curti...

    Published: March 27, 1955

  10. Source: 3af.fr
    Link: https://www.3af.fr/docs/2025110701_1328693110_2025-estimates-of-radiative-energy-values-in-ground-level-observations-of-an-0aunidentified-aerial-phenomenon-new-physical-data.pdf
    Source snippet

    enomena under funding of the US Air Force.Read more...

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