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#1
April 7th 09, 07:08 PM
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MetO March Actual Maps anomaly
These maps are always appear to be filled in by inspired guesswork as
much as actual figures, but www.metoffice.gov.uk/climate/uk/anomacts/# shows less ground frosts across Dartmoor (1-5) than there were in Penzance (there were 5 or 6 here) The anomaly map also shows a large negative anomaly Perhaps a certain Hay Tor resident would like to comment? If it's true, it's certainly odd. Graham Penzance |
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#2
April 7th 09, 07:26 PM
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MetO March Actual Maps anomaly
Graham Easterling wrote:
These maps are always appear to be filled in by inspired guesswork as much as actual figures, but www.metoffice.gov.uk/climate/uk/anomacts/# shows less ground frosts across Dartmoor (1-5) than there were in Penzance (there were 5 or 6 here) The anomaly map also shows a large negative anomaly Perhaps a certain Hay Tor resident would like to comment? If it's true, it's certainly odd. Graham Penzance There were 4 air frosts and 8 days where air min. was between 0 and 2C (one at +0.1C). Two days with snow lying at full cover at Haytor (7cm and 4cm). So 40% of days in month had an air min. below 2C. Will -- |
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#3
April 7th 09, 07:58 PM
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MetO March Actual Maps anomaly
On 7 Apr, 20:26, "Will Hand" wrote:
Graham Easterling wrote: These maps are always appear to be filled in by inspired guesswork as much as actual figures, butwww.metoffice.gov.uk/climate/uk/anomacts/# shows less ground frosts across Dartmoor (1-5) than there were in Penzance (there were 5 or 6 here) The anomaly map also shows a large negative anomaly Perhaps a certain Hay Tor resident would like to comment? If it's true, it's certainly odd. Graham Penzance There were 4 air frosts and 8 days where air min. was between 0 and 2C (one at +0.1C). Two days with snow lying at full cover at Haytor (7cm and 4cm). So 40% of days in month had an air min. below 2C. Will -- Yes, but the map is for ground frosts, surely you had 5 ground frosts? Especially as you had 12 nights 2C. I recorded just 5 nights below 2C and there were 5 ground frosts that I noticed (and almost certainly 1 that I missed!) Graham |
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#4
April 7th 09, 08:41 PM
posted to uk.sci.weather
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MetO March Actual Maps anomaly
Graham Easterling wrote:
On 7 Apr, 20:26, "Will Hand" wrote: Graham Easterling wrote: These maps are always appear to be filled in by inspired guesswork as much as actual figures, butwww.metoffice.gov.uk/climate/uk/anomacts/# shows less ground frosts across Dartmoor (1-5) than there were in Penzance (there were 5 or 6 here) The anomaly map also shows a large negative anomaly Perhaps a certain Hay Tor resident would like to comment? If it's true, it's certainly odd. Graham Penzance There were 4 air frosts and 8 days where air min. was between 0 and 2C (one at +0.1C). Two days with snow lying at full cover at Haytor (7cm and 4cm). So 40% of days in month had an air min. below 2C. Will -- Yes, but the map is for ground frosts, surely you had 5 ground frosts? Especially as you had 12 nights 2C. I recorded just 5 nights below 2C and there were 5 ground frosts that I noticed (and almost certainly 1 that I missed!) I don't record ground frosts Graham. We get loads anyway right into June, so yes almost certainly! Will -- |
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#5
April 7th 09, 09:17 PM
posted to uk.sci.weather
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MetO March Actual Maps anomaly
On 7 Apr, 20:58, Graham Easterling wrote:
On 7 Apr, 20:26, "Will Hand" wrote: Graham Easterling wrote: These maps are always appear to be filled in by inspired guesswork as much as actual figures, butwww.metoffice.gov.uk/climate/uk/anomacts/# shows less ground frosts across Dartmoor (1-5) than there were in Penzance (there were 5 or 6 here) The anomaly map also shows a large negative anomaly Perhaps a certain Hay Tor resident would like to comment? If it's true, it's certainly odd. Graham Penzance There were 4 air frosts and 8 days where air min. was between 0 and 2C (one at +0.1C). Two days with snow lying at full cover at Haytor (7cm and 4cm). So 40% of days in month had an air min. below 2C. Will -- Yes, but the map is for ground frosts, surely you had 5 ground frosts? Especially as you had 12 nights 2C. I recorded just 5 nights below 2C and there were 5 ground frosts that I noticed (and almost certainly 1 that I missed!) Graham- Hide quoted text - - Show quoted text - Looks to me like one of the relatively small number of synop-reporting sites used to prepare these analyses, almost certainly an AWS, has a dodgy sensor for some or all of the month, which has thrown the figures for the area which it represents. I don't know the current network of AWSs in the area but I'll bet the site is very cloe to the centre of that anomaly. It's certainly wrong, of course. -- Stephen Burt Stratfield Mortimer, Berkshire |
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#6
April 8th 09, 07:48 AM
posted to uk.sci.weather
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MetO March Actual Maps anomaly
On 7 Apr, 22:17, wrote:
On 7 Apr, 20:58, Graham Easterling wrote: On 7 Apr, 20:26, "Will Hand" wrote: Graham Easterling wrote: These maps are always appear to be filled in by inspired guesswork as much as actual figures, butwww.metoffice.gov.uk/climate/uk/anomacts/# shows less ground frosts across Dartmoor (1-5) than there were in Penzance (there were 5 or 6 here) The anomaly map also shows a large negative anomaly Perhaps a certain Hay Tor resident would like to comment? If it's true, it's certainly odd. Graham Penzance There were 4 air frosts and 8 days where air min. was between 0 and 2C (one at +0.1C). Two days with snow lying at full cover at Haytor (7cm and 4cm). So 40% of days in month had an air min. below 2C. Will -- Yes, but the map is for ground frosts, surely you had 5 ground frosts? Especially as you had 12 nights 2C. I recorded just 5 nights below 2C and there were 5 ground frosts that I noticed (and almost certainly 1 that I missed!) Graham- Hide quoted text - - Show quoted text - Looks to me like one of the relatively small number of synop-reporting sites used to prepare these analyses, almost certainly an AWS, has a dodgy sensor for some or all of the month, which has thrown the figures for the area which it represents. I don't know the current network of AWSs in the area but I'll bet the site is very cloe to the centre of that anomaly. It's certainly wrong, of course. -- Stephen Burt Stratfield Mortimer, Berkshire- Hide quoted text - - Show quoted text - I always find it disappointing that these obvious errors aren't spotted & removed prior to publication. Graham Penzance |
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#7
April 8th 09, 08:41 AM
posted to uk.sci.weather
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MetO March Actual Maps anomaly
I get at least one ground frost every month in my bedroom despite the high
air temperature RonB "Graham Easterling" wrote in message ... On 7 Apr, 22:17, wrote: On 7 Apr, 20:58, Graham Easterling wrote: On 7 Apr, 20:26, "Will Hand" wrote: Graham Easterling wrote: These maps are always appear to be filled in by inspired guesswork as much as actual figures, butwww.metoffice.gov.uk/climate/uk/anomacts/# shows less ground frosts across Dartmoor (1-5) than there were in Penzance (there were 5 or 6 here) The anomaly map also shows a large negative anomaly Perhaps a certain Hay Tor resident would like to comment? If it's true, it's certainly odd. Graham Penzance There were 4 air frosts and 8 days where air min. was between 0 and 2C (one at +0.1C). Two days with snow lying at full cover at Haytor (7cm and 4cm). So 40% of days in month had an air min. below 2C. Will -- Yes, but the map is for ground frosts, surely you had 5 ground frosts? Especially as you had 12 nights 2C. I recorded just 5 nights below 2C and there were 5 ground frosts that I noticed (and almost certainly 1 that I missed!) Graham- Hide quoted text - - Show quoted text - Looks to me like one of the relatively small number of synop-reporting sites used to prepare these analyses, almost certainly an AWS, has a dodgy sensor for some or all of the month, which has thrown the figures for the area which it represents. I don't know the current network of AWSs in the area but I'll bet the site is very cloe to the centre of that anomaly. It's certainly wrong, of course. -- Stephen Burt Stratfield Mortimer, Berkshire- Hide quoted text - - Show quoted text - I always find it disappointing that these obvious errors aren't spotted & removed prior to publication. Graham Penzance |
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#8
April 8th 09, 06:42 PM
posted to uk.sci.weather
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MetO March Actual Maps anomaly
LOL
Will -- ronaldbutton wrote: I get at least one ground frost every month in my bedroom despite the high air temperature RonB "Graham Easterling" wrote in message ... On 7 Apr, 22:17, wrote: On 7 Apr, 20:58, Graham Easterling wrote: On 7 Apr, 20:26, "Will Hand" wrote: Graham Easterling wrote: These maps are always appear to be filled in by inspired guesswork as much as actual figures, butwww.metoffice.gov.uk/climate/uk/anomacts/# shows less ground frosts across Dartmoor (1-5) than there were in Penzance (there were 5 or 6 here) The anomaly map also shows a large negative anomaly Perhaps a certain Hay Tor resident would like to comment? If it's true, it's certainly odd. Graham Penzance There were 4 air frosts and 8 days where air min. was between 0 and 2C (one at +0.1C). Two days with snow lying at full cover at Haytor (7cm and 4cm). So 40% of days in month had an air min. below 2C. Will -- Yes, but the map is for ground frosts, surely you had 5 ground frosts? Especially as you had 12 nights 2C. I recorded just 5 nights below 2C and there were 5 ground frosts that I noticed (and almost certainly 1 that I missed!) Graham- Hide quoted text - - Show quoted text - Looks to me like one of the relatively small number of synop-reporting sites used to prepare these analyses, almost certainly an AWS, has a dodgy sensor for some or all of the month, which has thrown the figures for the area which it represents. I don't know the current network of AWSs in the area but I'll bet the site is very cloe to the centre of that anomaly. It's certainly wrong, of course. -- Stephen Burt Stratfield Mortimer, Berkshire- Hide quoted text - - Show quoted text - I always find it disappointing that these obvious errors aren't spotted & removed prior to publication. Graham Penzance |
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