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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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#11
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Date: 20 NOV 2004
Time Wind Visibility Weather Cloud Temp/Dewpoint GMT Dir Bft 0715 W F1 9999 - 8/AS T011D002 RMK: OVERNIGHT AIR MIN 0.0DEGC; Slight/patchy hoar frost= 0900 WSW F1 9999 - 1/SC 8/AS T019D010 RMK: Confirm no PPN: AS thickened/lowered past hour OVERNIGHT (18Z-09Z) MIN: 00.0 DEGC: OVERNIGHT RAINFALL: 0.0 MM= 1000 WSW F2 9999 -RA 1/SC 8/AS T027D017 RMK: Rain very light - commenced 0955Z. Visibility =15km= 1100 WSW F2 9999 -RA 6/SC 8/AS T028D016 RMK: Rain steady/continuous (ww=61); Visibility down slightly, but still 10km; all surfaces damp= 1200 VRB F1 8000 -RA HZ 7/ST 8/SC T027D016 RMK: Rain steady/light/continuous throughout hour (ww=61); Visibility now coming down; all surfaces set: wind ocnl S or SW F2= SPEC M .... 1205 VRB F1 7000 -RASN HZ 7/ST 8/SC T027D016 RMK: 'SNOW' Snow element very slight but definite: no settling of anything likely - surfaces wet and about 2degC above zero= 1300 CALM F0 6000 RASN BR 7/ST 8/ST T025D014 RMK: Note slight drop in temp/dewpoint - moderate PPN since ~1240Z but snow element *very* intermittent & non-sig; surfaces wet= SPEC M .... 1308 CALM F0 4500 -SN BR 8/ST T023D015 RMK: Snow large flakes, but light/falling vertically (hence calm); surfaces wet= 1400 CALM F0 3000 -SN BR 8/ST T019D009 RMK: Ocnl reversion to sleet (partially melted snow variety) during past hour, but mostly snow - often large aggregates: a *little* settling on parked cars and grass, but state of ground wet; wind ocnl VRB/F1; Visibility reduction mainly due to BR rather than -SN= SPEC B .... 1408 E F1 4000 -RASN 8/ST RMK: after a very short period about 10 mins ago when SN (moderate) and vis ~2500M, now eased considerably and now back to melting snow variety. Suspect easing to rain/sleet then nil is the trend; surfaces wet= -- 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) |
#12
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Date: 20 NOV 2004
Time Wind Visibility Weather Cloud Temp/Dewpoint GMT Dir Bft 0715 W F1 9999 - 8/AS T011D002 RMK: OVERNIGHT AIR MIN 0.0DEGC; Slight/patchy hoar frost= 0900 WSW F1 9999 - 1/SC 8/AS T019D010 RMK: Confirm no PPN: AS thickened/lowered past hour OVERNIGHT (18Z-09Z) MIN: 00.0 DEGC: OVERNIGHT RAINFALL: 0.0 MM= 1000 WSW F2 9999 -RA 1/SC 8/AS T027D017 RMK: Rain very light - commenced 0955Z. Visibility =15km= 1100 WSW F2 9999 -RA 6/SC 8/AS T028D016 RMK: Rain steady/continuous (ww=61); Visibility down slightly, but still 10km; all surfaces damp= 1200 VRB F1 8000 -RA HZ 7/ST 8/SC T027D016 RMK: Rain steady/light/continuous throughout hour (ww=61); Visibility now coming down; all surfaces set: wind ocnl S or SW F2= SPEC M .... 1205 VRB F1 7000 -RASN HZ 7/ST 8/SC T027D016 RMK: 'SNOW' Snow element very slight but definite: no settling of anything likely - surfaces wet and about 2degC above zero= 1300 CALM F0 6000 RASN BR 7/ST 8/ST T025D014 RMK: Note slight drop in temp/dewpoint - moderate PPN since ~1240Z but snow element *very* intermittent & non-sig; surfaces wet= SPEC M .... 1308 CALM F0 4500 -SN BR 8/ST T023D015 RMK: Snow large flakes, but light/falling vertically (hence calm); surfaces wet= 1400 CALM F0 3000 -SN BR 8/ST T019D009 RMK: Ocnl reversion to sleet (partially melted snow variety) during past hour, but mostly snow - often large aggregates: a *little* settling on parked cars and grass, but state of ground wet; wind ocnl VRB/F1; Visibility reduction mainly due to BR rather than -SN= SPEC B .... 1408 E F1 4000 -RASN 8/ST RMK: after a very short period about 10 mins ago when SN (moderate) and vis ~2500M, now eased considerably and now back to melting snow variety. Suspect easing to rain/sleet then nil is the trend; surfaces wet= 1500 E F2 4000 -RASN BR 8/ST T016D007 RMK: Wind 'boxed the compass' past hour, and varied from Calm to VRB/F1 to current easterly F2; mostly rain/snow mixed, but short period fine rain/drizzle; Total rainfall 09-15Z 3.6mm; [ NEXT 18Z unless sig. change] -- 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) |
#13
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Date: 20 NOV 2004
Time Wind Visibility Weather Cloud Temp/Dewpoint GMT Dir Bft 0715 W F1 9999 - 8/AS T011D002 RMK: OVERNIGHT AIR MIN 0.0DEGC; Slight/patchy hoar frost= 0900 WSW F1 9999 - 1/SC 8/AS T019D010 RMK: Confirm no PPN: AS thickened/lowered past hour OVERNIGHT (18Z-09Z) MIN: 00.0 DEGC: OVERNIGHT RAINFALL: 0.0 MM= 1000 WSW F2 9999 -RA 1/SC 8/AS T027D017 RMK: Rain very light - commenced 0955Z. Visibility =15km= 1100 WSW F2 9999 -RA 6/SC 8/AS T028D016 RMK: Rain steady/continuous (ww=61); Visibility down slightly, but still 10km; all surfaces damp= 1200 VRB F1 8000 -RA HZ 7/ST 8/SC T027D016 RMK: Rain steady/light/continuous throughout hour (ww=61); Visibility now coming down; all surfaces set: wind ocnl S or SW F2= SPEC M .... 1205 VRB F1 7000 -RASN HZ 7/ST 8/SC T027D016 RMK: 'SNOW' Snow element very slight but definite: no settling of anything likely - surfaces wet and about 2degC above zero= 1300 CALM F0 6000 RASN BR 7/ST 8/ST T025D014 RMK: Note slight drop in temp/dewpoint - moderate PPN since ~1240Z but snow element *very* intermittent & non-sig; surfaces wet= SPEC M .... 1308 CALM F0 4500 -SN BR 8/ST T023D015 RMK: Snow large flakes, but light/falling vertically (hence calm); surfaces wet= 1400 CALM F0 3000 -SN BR 8/ST T019D009 RMK: Ocnl reversion to sleet (partially melted snow variety) during past hour, but mostly snow - often large aggregates: a *little* settling on parked cars and grass, but state of ground wet; wind ocnl VRB/F1; Visibility reduction mainly due to BR rather than -SN= SPEC B .... 1408 E F1 4000 -RASN 8/ST RMK: after a very short period about 10 mins ago when SN (moderate) and vis ~2500M, now eased considerably and now back to melting snow variety. Suspect easing to rain/sleet then nil is the trend; surfaces wet= 1500 E F2 4000 -RASN BR 8/ST T016D007 RMK: Wind 'boxed the compass' past hour, and varied from Calm to VRB/F1 to current easterly F2; mostly rain/snow mixed, but short period fine rain/drizzle; Total rainfall 09-15Z 3.6mm; 1800 SE F2 5000 -RA BR 2/ST 7/SC 8/AS T016D010 RMK: NIL DAY MAX (09-18z): 02.8 DEGC: DAY RAINFALL (09-18z): 4.3 MM= [LAST] -- 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) |
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