Warsash Spring Series 2012- Solent -Race One

Synoptic situation
Unstable conditions dominate the area with a gentle to moderate WNW veering N airflow covering the Solent. A tough line (band of showers) is expected to move south through the day reaching the race area between 1400-1500

Air temperature max: 10 Celsius

Weather: predominantly clear skies with clouds building inland
Could see a slight shower from 1100-1200 ahead of the main band

HW Portsmouth: 0807
LW Portsmouth: 1352







KEY POINTS
- Tide Ebbing at start time with light winds- watch for getting pushed over the line
- Tide key factor with 1.0-1.2 KT to begin with light winds
- Surface wind will build and veer as temperatures increase with further shift expected by 1000 or soon after.
- Showers will bring increase wind ahead of them and a further right shift to the N

Time	Wind Direction	Wind speed	Comments	Air temp
0900-1100	270-290 becoming 290-310 by 1000	04-06 building 06-08	As temperatures increase expect increase in surface wind should be 06-08 KT by start and expect surface wind to veer	7-8
1100-1300	290-310	06-08 occasional 10	Cold air over warmer sea- unstable- shifty and gusty Clouds building inland	8-9
1300-1500	290-310 becoming 340-360	06-08 becoming 08-10	Shift in wind associated with band of shower clouds expected 1400-1500 Max wind strength with showers could see 15-16 KT	10
1500-1700	340-360, locally 020	08-10	Temperatures will drop markedly behind the showers	7-8