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Old May 11th 04, 03:44 PM posted to uk.sci.weather
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Default (WR) Romsey... thunder

Hi all,

Thunder just heard to the east at 1435Z:

SYNOP 11/1435Z
03/// 41558 61902 10186 20131 40205 52010 717// 86900
333 82920 85825=

METAR 11/1435Z
EG// 111435Z 19002KT 8000 TS FEW020CB BKN025TCU 19/13
Q//// BLU=

Beaufort letters since 1350Z... bcjp,ctlo.

More info on the hour (unless I have to power off).

Nigel.


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Old May 11th 04, 04:09 PM posted to uk.sci.weather
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Default (WR) Romsey... thunder

Subject: (WR) Romsey... thunder

Update to our thunderstorm (seems to be on the sea breeze front)

SYNOP 11/1450Z
03/// 41557 62306 10183 20130 40205 52010 71722 86900
333 83920 85825=

METAR 11/1450Z
EG// 111450Z 23006KT 7000 TS SCT020CB BKN025TCU 18/13
Q//// WHT=

Details:

wind... 230deg 6kt (SW'ly force 2... was NNE'ly before).
visibility... 7km (towards storms).
weather... thunderstorm (no rain).
clouds... 3 oktas CB capillatus, base 2000ft
5 oktas CU congestus base 2500ft.
air temp... 18.3C.
dew point... 13.0C.
RH... 71%.
sea level pressure... 1020.5mb (rising slowly).

beaufort letters since 1435Z... ctlo.

additional notes... thunderstorm to the east decaying but a new cell is
developing to the southwest... 3 rumbles so far.
I believe the sea breeze convergence zone to
be a trigger for these storms.

More later (perhaps),

Nigel.
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Old May 11th 04, 05:01 PM posted to uk.sci.weather
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Default (WR) Romsey... thunder

Subject: (WR) Romsey... thunder

Last thunder heard at 1505Z... Cb cell edging away to the west and decaying.

SYNOP 11/1550Z
03/// 41458 51802 10169 20132 40205 51005 72992 84960
333 81712 81918 83822=

METAR 11/1550Z
EG// 111550Z 18002KT 8000 HZ FEW012 FEW018CB SCT022TCU 17/13
Q//// RETS WHT=

Details:

wind... 180deg 2kt (S'ly force 1).
visibility... 8km.
weather... haze (recent thunderstorm).
clouds... 1/8 ST at 1200ft, 1/8 CB at 1800ft, 3/8 CU at 2200ft, 1/8 AC at
12000ft.
air temp... 16.9C.
dew point... 13.2C.
RH... 79%.
sea level pressure... 1020.5mb (rising then steady).
rainfall in past hour... 0.0mm.

Beaufort letters since 1450Z... ctlo,bcz.

further note on storm... 4 rumbles of thunder in total but no lightning seen.

Nigel (Romsey, Hampshire).




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