On 25 May, 10:44, "Bernard Burton"
wrote:
25 May 2009
Wokingham 0900z 040 06/25kt 25km RE-RA 2Ac080 5Ac120 8As150
+14.7/+8.8 *QFF 1013.4 *-4.9 in 3hr
RMK Fine and dry evening and most of night, becoming overcast near
06z, and some rain fell between 0830 and 0850z, just enough to dampen
the roads. Remarkable pressure fall, from 1017.3 at 0810z to 1013.0
at 0846z. Values (MSL) every 10 minutes we
0815 1017.1
0820 1016.9
0825 1016.4
0830 1016.1
0835 1015.4
0840 1014.5
0845 1013.2
0846 1013.0 (min)
0850 1013.4
There was an accompanying wind squall, max 25kt.

09-09 Screen max 24.0 *min 9.7 *grass min 5.8
Rain 0.1 *sun (00-24) 15.2
AWS max 24.1 *min 9.6

--
Bernard Burton
Wokingham, Berkshire, UK.

Satellite images at:www.woksat.info/wwp.html

Bernard - here the min was 1014.0 mbar at 0835, and the fall 3.4 mbar
from 0800. Squall gust 016° 16 kn 0836 i.e. just after the lowest
pressure; almost identical gust 020° 16 kn 0830. MSLP 5 min readings
as below (UTC):

0800 1017.4 mbar
0805 1017.2
0810 1016.9
0815 1016.6
0820 1016.2
0825 1015.6
0830 1014.6 - 1.5 mbar lower than Wokingham
0835 1014.1 (min reached a few seconds later, 1014.0)
0840 1014.1
0845 1014.4 - 1.2 mbar higher than Wokingham
0850 1014,6
0855 1014.8
0900 1015.1

All from my Setra sensor, logged every 60 sec to Campbell Scientific
logger, corrected to MSL.

--
Stephen Burt
Stratfield Mortimer, Berkshire