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uk.sci.weather (UK Weather) (uk.sci.weather) For the discussion of daily weather events, chiefly affecting the UK and adjacent parts of Europe, both past and predicted. The discussion is open to all, but contributions on a practical scientific level are encouraged. |
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#1
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You'd think we were all in the middle of a cold March, from the daily
weather forecasts and press reports. No doubt some places are but not here. After the last two days with temperatures exceeding 10.0 deg C, I have calculated the averages for Solent MRSC for the last week and the last two weeks (thanks to Keith Harris's www.southendweather.net) - they are closest enough to mid month to give a rough comparison. Unfortunately there is no long term record for Solent MRSC or my own location but there is for nearby Bognor Regis - which has a similar seaside exposure as Lee-on-the-Solent. Comparisons are therefore with the March averages for Bognor (taken from the Met Office website). Feb 14 to Feb 20 2006 (Solent compared to Bognor monthly averages) Mean Max 8.1; long term mean max 9.0; deficit 0.9 deg C. Mean Min 2.4; long term mean min 3.5; deficit 1.1 deg C. Overall mean deficit 1.0 deg C. Feb 7 to Feb 20 2006 (Solent compared to Bognor averages) Mean Max 7.7; long term mean max 9.0; deficit 1.3 deg C. Mean Min 3.0; long term mean min 3.5; deficit 0.5 deg C. Overall mean deficit 0.9 deg C. The last week or two has been nowhere near what I'd describe as a March cold spell - not down here anyway. How cold has it been elsewhere? -- Dave Fareham. |
#2
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![]() Bracknell (Tawfield) ... March (so far, up to 0900 GMT readings 20th) Mean 24hr maximum:... 07.0 [-2.9 anomaly on eLTA 1971-2000] Mean 24hr minimum:... 00.6 [-2.8 anomaly on eLTA 1971-2000] Mean of 24hr max & min:... 03.8 [-2.9 anomaly on eLTA 1971-2000] Been cold enough here ;-) Martin. -- Martin Rowley: data via - http://homepage.ntlworld.com/booty.weather/metindex.htm Bracknell (Wooden Hill/Tawfield), Berkshire NGR: SU 854 667 Elev: 80m Lat: 51DEG23MIN30SEC(N): Long: 00DEG46MIN28SEC(W) |
#3
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![]() Feb 7 to Feb 20 2006 (Solent compared to Bognor averages) Mean Max 7.7; long term mean max 9.0; deficit 1.3 deg C. Mean Min 3.0; long term mean min 3.5; deficit 0.5 deg C. Overall mean deficit 0.9 deg C. The last week or two has been nowhere near what I'd describe as a March cold spell - not down here anyway. How cold has it been elsewhere? -- Dave Fareham. After an excursion to the dizzy heights of 9.9°C yesterday (with strong thermals as well-apparently)it's back to colder conditions here with a Tmax of 5.0° late morning and then settling at 4.0° most of the afternoon. Still on to be the coldest March on record here (since 1979) with a monthly mean of 3.1°(-3.3LTA). Mean max 6.4°, mean min -0.3°,precipitation 23.8mm (50%) and sunshine 77hrs (72%) so far. All the best -- George in Epping, West Essex (107m asl) www.eppingweather.co.uk www.winter1947.co.uk |
#4
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Been cold here in Penzance
I've only ever recorded a Max Temp of 6 degrees in March on 7 occasions (records start 1992), 3 were this year. This included 5.0 on 17th, my coldest March day on record. It's also currently my coldest March on record, by a fair margin, and -1.3 from the 1971-2000 LTA Graham |
#5
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20/03/2006 17:15:03
Dave Ludlow wrote in message You'd think we were all in the middle of a cold March, from the daily weather forecasts and press reports. No doubt some places are but not here. After the last two days with temperatures exceeding 10.0 deg C, I have calculated the averages for Solent MRSC for the last week and the last two weeks (thanks to Keith Harris's www.southendweather. net) - they are closest enough to mid month to give a rough comparison. Unfortunately there is no long term record for Solent MRSC or my own location but there is for nearby Bognor Regis - which has a similar seaside exposure as Lee-on-the-Solent. Comparisons are therefore with the March averages for Bognor (taken from the Met Office website). Feb 14 to Feb 20 2006 (Solent compared to Bognor monthly averages) Mean Max 8.1; long term mean max 9.0; deficit 0.9 deg C. Mean Min 2.4; long term mean min 3.5; deficit 1.1 deg C. Overall mean deficit 1.0 deg C. Feb 7 to Feb 20 2006 (Solent compared to Bognor averages) Mean Max 7.7; long term mean max 9.0; deficit 1.3 deg C. Mean Min 3.0; long term mean min 3.5; deficit 0.5 deg C. Overall mean deficit 0.9 deg C. The last week or two has been nowhere near what I'd describe as a March cold spell - not down here anyway. How cold has it been elsewhere? -- Dave Fareham. Some of us are. Coldest March (1st-20th) on Fair Isle since records began way back in 1974! Daily mean temp has crept up to 3.1C (3.2C 1987), but this is still 1.6C below the LT mean. We've had a snow drift lying at sea level, at the foot of steep ENE- facing cliffs for three weeks now! Dave Fair Isle |
#6
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Mean here 2.0c, (3.2c below average), coldest March since 1962 (1.8c),
however with the Met Office now moving away from the heavy snow prediction to Spring arriving this weekend that mean will rise. Guy who does Midlands today weather has being going on for the last week about how he can't see any end in sight of the cold spell suddenly got very excited tonight about temperatures of 14c to 16c this weekend! Maybe it will only end up the coldest since 1996 (3.3c). Weston Coyney weather station (North Staffordshire) 220 metres asl |
#7
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![]() "Dave Ludlow" wrote in message ... Unfortunately there is no long term record for Solent MRSC or my own location but there is for nearby Bognor Regis - which has a similar seaside exposure as Lee-on-the-Solent. Comparisons are therefore with the March averages for Bognor (taken from the Met Office website). Ooooh, I think that's something of a leap of faith. So far this month the mean max at Lee/Solent is 7.8°C, at Thorney Island, 7.0°C, and at Bognor 6.8°C. I'd always had a feeling that Lee was a particularly warm spot without ever being quite interested enough to investigate ... but now, looking at the geological map, I note that Lee sits on marine gravels while there are patches of boulder clay above chalk at Thorney Island and boulder clay above London clay at Bognor. Fareham looks geologically complex so without knowing exactly where you live it's not possible to say whether you're more like Lee or Thorney. Philip |
#8
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On Mon, 20 Mar 2006 17:25:24 -0000, "Philip Eden"
philipATweatherHYPHENukDOTcom wrote: "Dave Ludlow" wrote in message .. . Unfortunately there is no long term record for Solent MRSC or my own location but there is for nearby Bognor Regis - which has a similar seaside exposure as Lee-on-the-Solent. Comparisons are therefore with the March averages for Bognor (taken from the Met Office website). Ooooh, I think that's something of a leap of faith. So far this month the mean max at Lee/Solent is 7.8°C, at Thorney Island, 7.0°C, and at Bognor 6.8°C. I'd always had a feeling that Lee was a particularly warm spot without ever being quite interested enough to investigate ... but now, looking at the geological map, I note that Lee sits on marine gravels while there are patches of boulder clay above chalk at Thorney Island and boulder clay above London clay at Bognor. Fareham looks geologically complex so without knowing exactly where you live it's not possible to say whether you're more like Lee or Thorney. Thanks for the words of caution, Philip; and to everyone replying to this thread. It does seem that here, we have had less cold conditions than most and very much less cold conditions than some. I am surprised at the difference in mean max this month between Lee and Bognor. My own mean max is 8.0 deg C (1st to the 20th) very close to the Solent MRSC mean max - although I do, occasionally, see some surprising differences and I've commented on this a few times. The soil here in West Fareham is light and stony - ideal for strawberry growing, for which the area was well known. But I do not know how the geology compares to Lee; I suspect it is very similar and I would be interested to know if it is. I am located 11 KM due North of Castle Point, East Cowes; 3.3 KM North East of the mouth of the Hamble. -- Dave West Fareham. 41m. amsl. |
#9
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![]() "Dave Ludlow" wrote: On Mon, 20 Mar 2006 17:25:24 -0000, "Philip Eden" wrote: but now, looking at the geological map, I note that Lee sits on marine gravels while there are patches of boulder clay above chalk at Thorney Island and boulder clay above London clay at Bognor. Fareham looks geologically complex so without knowing exactly where you live it's not possible to say whether you're more like Lee or Thorney. The soil here in West Fareham is light and stony - ideal for strawberry growing, for which the area was well known. But I do not know how the geology compares to Lee; I suspect it is very similar and I would be interested to know if it is. I am located 11 KM due North of Castle Point, East Cowes; 3.3 KM North East of the mouth of the Hamble. Right, Dave, you have the same geology as Lee ... post-glacial marine gravels above Tertiary beds of sands and gravels. I misread the maps re Bognor and Thorney Is which have a superficial cover of brick earth, not boulder clay. (Boulder clay along the south coast, dear oh dear!) You can also see roughly where the wx station is at Lee on Google Earth (high res image shows the MRSC compound very clearly ... lots of asphalt, not much grass) whereas in Locks Heath you're still low res. Philip |
#10
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![]() "Philip Eden" philipATweatherHYPHENukDOTcom wrote in message ... "Dave Ludlow" wrote: On Mon, 20 Mar 2006 17:25:24 -0000, "Philip Eden" wrote: but now, looking at the geological map, I note that Lee sits on marine gravels while there are patches of boulder clay above chalk at Thorney Island and boulder clay above London clay at Bognor. Fareham looks geologically complex so without knowing exactly where you live it's not possible to say whether you're more like Lee or Thorney. The soil here in West Fareham is light and stony - ideal for strawberry growing, for which the area was well known. But I do not know how the geology compares to Lee; I suspect it is very similar and I would be interested to know if it is. I am located 11 KM due North of Castle Point, East Cowes; 3.3 KM North East of the mouth of the Hamble. Right, Dave, you have the same geology as Lee ... post-glacial marine gravels above Tertiary beds of sands and gravels. I misread the maps re Bognor and Thorney Is which have a superficial cover of brick earth, not boulder clay. (Boulder clay along the south coast, dear oh dear!) You can also see roughly where the wx station is at Lee on Google Earth (high res image shows the MRSC compound very clearly ... lots of asphalt, not much grass) whereas in Locks Heath you're still low res. Philip Philip, these are interesting comments that you make, but how much difference can geology play locally. I'm sure that we're all aware of the effect of sandy soils and maybe clay, but is there a significant effect on long term temperature? -- David Mitchell, 70m amsl, Langtoft, East Riding of Yorkshire. |
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