AVIATION WEATHER INFORMATION SERVICE
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YORKSHIRE (WEST), N. NOTTS & N. DERBYSHIRE

This forecast is updated at 7am, 1pm and 7pm

Issued by Weather Consultancy Services on:
Wednesday 22 February 2012 18:43 hrs
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UK & Ireland Flying Summary for Thursday
A broad southwesterly flow covers the area through Wednesday. Fronts will be passing east through the country bringing lots of cloud and a brisk southwest wind. High pressure stays to the south of the country with low pressure passing east over northern Scotland.

Forecast for flying in North East England on Thursday
Forecast will appear here.

Forecast from GFS model for flying in Yorkshire (West), Nottinghamshire & N. Derbyshire:
Data based on GFS model updated: Wed 22 February 2012 18:43

Time	SFC Wind	Sig wx *	Visibility	Temp	QNH	% low cloud	Low cld base/top	0C level	RH@0C	FL030 Wind	Temp	FL050 Wind	Temp	FL100 Wind	Temp
6pm Wed	250/16g35kt	Moderate rain	6.8km	9C	1011mb	90%	4100/8200ft	11200ft	40%	270/33kt	9C	280/40kt	6C	290/47kt	2C
9pm Wed	260/13g30kt	*	8.6km	9C	1014mb	61%	3800/5100ft	11000ft	60%	290/26kt	9C	290/37kt	6C	300/48kt	0C
00:01am Thu	260/12g30kt	Light rain	8.5km	9C	1016mb	37%	3900/5100ft	10400ft	60%	290/25kt	10C	300/42kt	7C	300/50kt	0C
3am Thu	240/13g29kt	*	10.3km	9C	1017mb	1%	2600/3900ft	10600ft	30%	300/27kt	12C	290/37kt	7C	290/48kt	1C
6am Thu	250/15g29kt	Light rain	10.8km	10C	1017mb	1%	2400/3500ft	10700ft	40%	290/26kt	12C	280/37kt	7C	290/46kt	0C
9am Thu	250/14g25kt	*	13.1km	10C	1019mb	1%	1800/2700ft	10800ft	20%	290/23kt	10C	280/38kt	8C	280/46kt	1C
Midday Thu	250/16g23kt	Light rain	19km	12C	1020mb	12%	1200/2900ft	10300ft	50%	270/21kt	9C	270/41kt	8C	270/47kt	0C
6pm Thu	240/14g30kt	Light rain	17.6km	10C	1020mb	41%	1600/3300ft	10000ft	60%	280/28kt	12C	280/45kt	7C	270/52kt	0C
00:01am Fri	250/15g25kt	Light rain	11.3km	9C	1021mb	1%	2500/3500ft	9800ft	50%	280/24kt	10C	270/44kt	5C	260/55kt	-1C

[* significant weather refers to weather in the past 6-hours, and is available in 6-hour steps only. All predictions are model estimated. Gusts are model predicted over open ground. Heights are above sea level.]

Planning outlook:
A warm front will be to the east of the country on Thursday with a cold front far to the west. High pressure will be centred in the Bay of Biscay and this will result in a southwesterly flow affecting all parts bringing very warm weather through all areas. Western coasts and hills will have a few spots of drizzle and some low cloud from time to time. To the lee of high ground, especially central and eastern areas will become brighter with sunny spells. Winds W-SW F5-F6.
A cold front slips south through Scotland bringing a few outbreaks if rain on Friday. It will become cooler and brighter here in the afternoon. The front affects southern Ireland, Wales and northern England in the afternoon giving some showers. More southern parts of England and Wales will be staying dry with sunny spells, although cloud increasing in the afternoon. Winds W F4 but F5 at times in the far north.
High pressure will be affecting most of the southern half of the UK through Saturday. This is going to be bringing plenty of bright, dry weather although there will be a morning frost with the risk of some fog patches. Breezier through Scotland with a few showers in northern and western areas. Winds mainly W F3 in the south, but F5-F6 in northern Scotland.
Pressure stays high through most of the country on Sunday. There will be fog patches at first, but these will be clearing quickly. The day is then going to be dry and bright with good spells of sunshine, although always more cloud affecting western Ireland and western Scotland. Winds W F3-F4.
Lower confidence in the forecast for Monday. A front is expected to pass east and this could bring some rain to Scotland and the north of Northern Ireland. Elsewhere it is likely to be staying drier with some sunny spells. Winds mainly SW F3-F4.
High pressure is to the south of the country on Tuesday with low pressure to the north. A warm front is going to spread eastwards bringing cloud and outbreaks of rain over Ireland and Scotland. Western coasts of Wales and England may have cloud at times, but for more eastern areas conditions should be drier with some sunny spells. Winds SW F4-F5.

Synoptic charts based on data from 0001 GMT, Wednesday 22 February 2012 (Updated daily by 9am)

Tomorrow (Day 2)

Day after tomorrow (Day 3)

This forecast is for planning purposes only. You must check the latest forecasts from official sources before flying. Forns 214/215, METARs and TAFs should be obtained as a minimum for flight.
Forecast is copyright Weather Consultancy Services.