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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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A sultry evening is following on from a steamy day.
Thunder first audible to the west at 1718Z, with frequent peals since. Lightning now visible at 1747Z and 1750Z. This cell appears to be expanding to the north but other anvils are sprouting from the ranks of Ac castellanus. Little pptn observed falling from the base of the storm clouds at present and not a drop of rain here so far. SYNOP 22/1750Z (current ob) 03/// 31865 61605 10254 20170 40129 53001 71711 85082 333 10292 83357 84360= METAR EG// 221750Z 16005KT 9999 TS SCT070 SCT100 25/17 Q//// BLU= Details: wind... SSE, force 2 (backed from SSW in last hour). visibility... 15km. weather... moderate intensity thunderstorm without rain. clouds... 3/8 Ac cas 7000ft, 4/8 Ac cas 10000ft, 1/8 Ac 15000ft, 3/8 Ci spi 25000ft. dry bulb... +25.4C. dew point... +17.0C. RH... 60%. sea level pressure... 1013.9mb (was falling, now rising). max temp today... +29.3C. 12 hour rainfall (0600-1800Z)... 0.0mm. beaufort letters (1650-1750Z)... bcy,ctloy,ctl. Nigel (Romsey, Hampshire) 40m amsl |
#2
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As rapidly as the clouds developed, they've decayed / moved
off the scene. Dense cirrus is currently crowding the sky. Last thunder heard at 1800Z on the dot. Rain 1808-1810Z. The storm caused no impact on the visibility. The few spots of rain that did eventually make it to the ground only served to ratchet up the humidity still further, although the dry bulb temp is falling. SYNOP 22/1750Z 03/// 31865 61605 10254 20170 40139 53001 71711 85082 333 10292 83357 84360= -------------------------------------------------------- SYNOP 22/1850Z (current ob) 03/// 41965 71802 10233 20171 40145 53009 72962 83082 333 81358 85075= METAR EG// 221850Z 18002KT CAVOK 23/17 Q//// RETS BLU= Details: wind... S, force 1. visibility... 15km. weather... cloudy with recent thunderstorm. clouds... 1/8 Ac cas 8000ft, 2/8 Ac cas 12000ft, 2/8 Ac 17000ft, 5/8 Ci spi 25000ft. dry bulb... +23.3C. dew point... +17.1C. RH... 68%. sea level pressure... 1014.5mb (rising). rainfall last hour... trace. beaufort letters (1650-1750Z)... bcy,ctloy,ctl. beaufort letters (1750-1850Z)... ctl,ctlo,cro,c. Nigel (Romsey, Hampshire) 40m amsl |
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