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-   -   Unseasonable Low, how unseasonable in windstorm terms? (https://www.weather-banter.co.uk/uk-sci-weather-uk-weather/203474-unseasonable-low-how-unseasonable-windstorm-terms.html)

N_Cook May 21st 21 05:41 PM

Unseasonable Low, how unseasonable in windstorm terms?
 
For starters 89mph gust at the Needles, yesterdays shipping forecast for
2 southern sea areas "violent storm force 11" for Sole and Shannon.
Precedents?
Checking all the Mays from 1901 to 2008 in Philip Edens GB weather
disasters book. Plenty of serious thunderstorms and rainstorms, but only
these wind events reported there.

21st 1950 tornado and overturned bus
19th 1952 tornado
4-5th 55mph gust Canmbridgeshire
16th 1962 100mph gust Western Isles , Scotland
19th 1996 "high winds"in Ten-tors area
9-21 1997 Tornado , Woburn

A sort of "me-too" moment on the day its reported the world's biggest
ever iceberg launches itself from Anatartica

--
Global sea level rise to 2100 from curve-fitted existing altimetry data
http://diverse.4mg.com/slr.htm

John Hall[_2_] May 21st 21 07:11 PM

Unseasonable Low, how unseasonable in windstorm terms?
 
In message , N_Cook
writes
For starters 89mph gust at the Needles, yesterdays shipping forecast
for 2 southern sea areas "violent storm force 11" for Sole and
Shannon. Precedents?
Checking all the Mays from 1901 to 2008 in Philip Edens GB weather
disasters book. Plenty of serious thunderstorms and rainstorms, but
only these wind events reported there.

21st 1950 tornado and overturned bus
19th 1952 tornado
4-5th 55mph gust Canmbridgeshire
16th 1962 100mph gust Western Isles , Scotland
19th 1996 "high winds"in Ten-tors area
9-21 1997 Tornado , Woburn

A sort of "me-too" moment on the day its reported the world's biggest
ever iceberg launches itself from Anatartica


Given that tornadoes are very different beasts, at first sight the 1962
event looks like it might have been the closest equivalent. The
reanalysis chart is he

https://www.wetterzentrale.de/reanal...p=1&model=noaa
--
John Hall "Hard work often pays off after time, but laziness always
pays off now." Anon

Graham Easterling[_3_] May 21st 21 08:32 PM

Unseasonable Low, how unseasonable in windstorm terms?
 
On Friday, 21 May 2021 at 18:41:11 UTC+1, N_Cook wrote:
For starters 89mph gust at the Needles, yesterdays shipping forecast for
2 southern sea areas "violent storm force 11" for Sole and Shannon.
Precedents?
Checking all the Mays from 1901 to 2008 in Philip Edens GB weather
disasters book. Plenty of serious thunderstorms and rainstorms, but only
these wind events reported there.

21st 1950 tornado and overturned bus
19th 1952 tornado
4-5th 55mph gust Canmbridgeshire
16th 1962 100mph gust Western Isles , Scotland
19th 1996 "high winds"in Ten-tors area
9-21 1997 Tornado , Woburn

A sort of "me-too" moment on the day its reported the world's biggest
ever iceberg launches itself from Anatartica

--
Global sea level rise to 2100 from curve-fitted existing altimetry data
http://diverse.4mg.com/slr.htm


Surprisingly little rain here in Penzance, in fact only 5.5mm in the 5 days ending 09:00 today, and very little since.

Windwise there was a 66mph gust near Lands End today, but that was a bit of a one off. That's on a par with places like St Catherine's Point and other south coast locations exposed to the SW. I do realise conditions were rather worse in exposed parts of S Wales.

Here in sheltered Penzance there was 38mph gust yesterday, 39 mph today. 2 days, 2nd May 2003 & 4th May 2004 saw gusts 50mph (55 & 52mph respectively.) The last significantly stronger gust was 48mph on 14th May 2013 when there was also 27.8mm of rain. A quick glance at my 30 records shows 32 days in May with stronger gusts than during this event. So in west Cornwall, nothing exceptional.

The most notable thing was the swell, I'd say a significant wave height of 24' must be rare for May, even out at Sevenstones. It's certainly comparable with the biggest swells of last winter. Small tides so no issues.

Graham
Penzance

N_Cook May 21st 21 08:56 PM

Unseasonable Low, how unseasonable in windstorm terms?
 
On 21/05/2021 20:11, John Hall wrote:
In message , N_Cook writes
For starters 89mph gust at the Needles, yesterdays shipping forecast
for 2 southern sea areas "violent storm force 11" for Sole and
Shannon. Precedents?
Checking all the Mays from 1901 to 2008 in Philip Edens GB weather
disasters book. Plenty of serious thunderstorms and rainstorms, but
only these wind events reported there.

21st 1950 tornado and overturned bus
19th 1952 tornado
4-5th 55mph gust Canmbridgeshire
16th 1962 100mph gust Western Isles , Scotland
19th 1996 "high winds"in Ten-tors area
9-21 1997 Tornado , Woburn

A sort of "me-too" moment on the day its reported the world's biggest
ever iceberg launches itself from Anatartica


Given that tornadoes are very different beasts, at first sight the 1962
event looks like it might have been the closest equivalent. The
reanalysis chart is he

https://www.wetterzentrale.de/reanal...p=1&model=noaa


That was the very north of the country where they breed them hardier
than us southerners, so perhaps once in a century sort of unseasonability.
On the other hand the MetO/Met Eirran, seemingly never bothered giving
it a name, so perhaps not a notable event/disaster in Philip Eden terms.

--
Global sea level rise to 2100 from curve-fitted existing altimetry data
http://diverse.4mg.com/slr.htm

John Hall[_2_] May 22nd 21 09:38 AM

Unseasonable Low, how unseasonable in windstorm terms?
 
In message , N_Cook
writes
On 21/05/2021 20:11, John Hall wrote:
In message , N_Cook writes
For starters 89mph gust at the Needles, yesterdays shipping forecast
for 2 southern sea areas "violent storm force 11" for Sole and
Shannon. Precedents?
Checking all the Mays from 1901 to 2008 in Philip Edens GB weather
disasters book. Plenty of serious thunderstorms and rainstorms, but
only these wind events reported there.

21st 1950 tornado and overturned bus
19th 1952 tornado
4-5th 55mph gust Canmbridgeshire
16th 1962 100mph gust Western Isles , Scotland
19th 1996 "high winds"in Ten-tors area
9-21 1997 Tornado , Woburn

A sort of "me-too" moment on the day its reported the world's biggest
ever iceberg launches itself from Anatartica


Given that tornadoes are very different beasts, at first sight the 1962
event looks like it might have been the closest equivalent. The
reanalysis chart is he


https://www.wetterzentrale.de/reanal...and=5&dag=16&u
ur=1200&var=1&map=1&model=noaa


That was the very north of the country where they breed them hardier
than us southerners, so perhaps once in a century sort of
unseasonability.
On the other hand the MetO/Met Eirran, seemingly never bothered giving
it a name, so perhaps not a notable event/disaster in Philip Eden terms.


Isn't giving British and Irish storms names a comparatively recent
innovation? I thought it only started ten or so years ago, so well after
1962. I don't think even the October 1987 storm ever received an
official name.
--
John Hall "Hard work often pays off after time, but laziness always
pays off now." Anon

N_Cook May 22nd 21 10:05 AM

Unseasonable Low, how unseasonable in windstorm terms?
 
On 22/05/2021 10:38, John Hall wrote:
In message , N_Cook writes
On 21/05/2021 20:11, John Hall wrote:
In message , N_Cook
writes
For starters 89mph gust at the Needles, yesterdays shipping forecast
for 2 southern sea areas "violent storm force 11" for Sole and
Shannon. Precedents?
Checking all the Mays from 1901 to 2008 in Philip Edens GB weather
disasters book. Plenty of serious thunderstorms and rainstorms, but
only these wind events reported there.

21st 1950 tornado and overturned bus
19th 1952 tornado
4-5th 55mph gust Canmbridgeshire
16th 1962 100mph gust Western Isles , Scotland
19th 1996 "high winds"in Ten-tors area
9-21 1997 Tornado , Woburn

A sort of "me-too" moment on the day its reported the world's biggest
ever iceberg launches itself from Anatartica


Given that tornadoes are very different beasts, at first sight the 1962
event looks like it might have been the closest equivalent. The
reanalysis chart is he


https://www.wetterzentrale.de/reanal...and=5&dag=16&u
ur=1200&var=1&map=1&model=noaa


That was the very north of the country where they breed them hardier
than us southerners, so perhaps once in a century sort of
unseasonability.
On the other hand the MetO/Met Eirran, seemingly never bothered giving
it a name, so perhaps not a notable event/disaster in Philip Eden terms.


Isn't giving British and Irish storms names a comparatively recent
innovation? I thought it only started ten or so years ago, so well after
1962. I don't think even the October 1987 storm ever received an
official name.


Only the likes of Low. 'A' or if a saints day then the likes of the St
Jude's day storm, 2013.
Checking the Hampshire and IoW Weather Book, from 1627 (sic, 17C) to
1960, no May windstorms mentioned

--
Global sea level rise to 2100 from curve-fitted existing altimetry data
http://diverse.4mg.com/slr.htm

N_Cook May 22nd 21 01:10 PM

Unseasonable Low, how unseasonable in windstorm terms?
 
On 22/05/2021 11:05, N_Cook wrote:
Checking the Hampshire and IoW Weather Book, from 1627 (sic, 17C) to
1960, no May windstorms mentioned


Checked the remaining 1960s to 1993 of the Hampshire book and no May
windstorm mentions.

NHC has its eyes on an already named (June used to be their start of the
hurricane season) subtropical storm Ana , likel heading roughly our way
after the Bermuda area.
https://www.nhc.noaa.gov/graphics_at1.shtml?start#contents
https://www.cyclocane.com/ana-storm-tracker/

--
Global sea level rise to 2100 from curve-fitted existing altimetry data
http://diverse.4mg.com/slr.htm


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