Image: Windy.com
Image: Windy.com

Need a list of emergency contact numbers during #StormHelene? – Click Here.

17/09/19 21:00 – A status Yellow Weather warning has been issued by Met Eireann:

  • Forecasters are forecasting very windy conditions across Ireland from early on Wednesday morning until evening. South to southwest winds will reach mean speeds of 50 to 65 km/hr with gusts of 90 to 110 km/hr, strongest on southern, western and northern coastal areas.

17/09/18 16:00 – Latest briefing from Met Éireann on #StormHelene and the beginning of a very active period of weather this week:

The rest of today will be windy, but winds will moderate away from the south and east coast tonight. The rain today will be heaviest in western and northwestern areas, where warnings are in places. Elsewhere tonight, intense bursts of rain may bring some spot flooding tonight. But most will clear by early Tuesday morning.

A very active period of weather is now expected to follow over the coming days with an assembly line of low pressure systems swinging close to our shores, bringing strong winds and heavy rain at times. There is potential that wind or rainfall warnings will be required in at least some parts of the country over the next few days associated with these Atlantic low pressure systems.

17/09/18 14:30 – Update from Carlow Weather re. #StormHelene:

17/09/18 09:00 – A status yellow weather warning remains in place (and has been pushed an hour earlier) for two counties (Galway and Mayo) however, no warnings are in place yet for Cork. Forecasters are saying that outbreaks of rain and freshening southerly winds are to be expected. Rain is to clear in parts of Munster this afternoon, but more rain is on the way this evening. Warm and humid conditions, and highs of 17°C – 19°C. Some sources are advising of a possible #StormAli, however, this is yet to be announced officially. #StormAli has not yet been named by either Met Eireann, or the UK Met Office.

16/09/18 19:45 – Most recent models are showing that #StormHelene won’t have too much of an impact, however, another system that’s developing which could possibly be named #StormAli could be one to watch. Carlow Weather has more information:

16/09/18 15:56 – Latest briefing from Met Éireann at 12:00 today:

Tropical storm Helene continues to weaken and will transition to an ex tropical storm this afternoon.

It is currently located to the north of the Azores at approximately 43°N and 28°W. It will continue to track northeastwards towards Ireland through the rest of today and Monday.°

On Monday night, ex tropical storm Helene will track northeastwards close to the southeast of Ireland. Current forecasts indicate that south to southeast winds will reach gale or strong gale force over the Celtic Sea and Irish Sea, but will be fresh to strong over land. However, it is possible that yellow level warning criteria may be reached in counties Cork, Waterford, Wexford, Wicklow, Dublin, Meath and Louth. Suitable warnings will be issued if necessary.

Associated weather fronts will bring rain. On Monday, rain will be heavy in west Galway and county Mayo with a risk of flooding. Rainfall warnings have been issued for these counties. On Monday night, rain will spread eastwards across Ireland bringing heavy rain to many areas for a time and a risk of spot flooding. The rain will clear overnight.

16/09/18 15:55 – Update from Carlow Weather regarding #StormHelene:

16/09/18 10:10 – Update from Carlow Weather, and information on a possible #StormAli:

16/09/18 09:30 – Latest update from Met Éireann, and the National Hurricane Center (US.)

15/09/18 16:45Briefing from Met Éireann forecast office regarding Tropical #StormHelene:

The latest guidance has shifted the forecast track of Storm Helene a little westward from yesterday with the centre of the low now tracking up over parts of Ireland instead of mainly up through the Irish Sea. That said, there continues to be large uncertainty in the exact track. Timings are also a little variant, however it still looks as though the main impact will occur on Monday evening/night and early on Tuesday. Yellow level impacts from wind are looking increasingly likely for coastal districts of the east and south, with strong gales or storm force winds for a time in the Celtic and Irish seas. Short interval intense rainfall may occur in places, but due to the speed at which the system is moving through, it is not envisaged at this stage that a rain warning will be required, although this aspect will continue to be examined more closely once our high resolution model guidance becomes available on Sunday. Met Éireann forecasters will continue to monitor the situation and issue warnings, as required, closer to the time.

15/09/18 16:12 Latest update from Met Eireann:

15/09/18 12:00 – Further updates from Cork – All Things Weather:

15/09/2018 09:00 – Update by Cork – All Things Weather

Well as we draw closer to meeting #StormHelene it’s time for the next update. You’ll be glad to hear that it will be only a glance with the winds but the rain will fall for sure.

  • Prior to #StormHelene’s arrival we have Joyce which will glide up the west coast this evening as you can see in the chart above. Nothing much to say really except it will be mainly the west coast that have her company.
  • Cork will get some wind and rain which will follow in a later forecast.
  • Anyway back to #StormHelene which is no longer a hurricane but currently downgraded to a tropical storm will arrive to our southern shores on Monday night around 11pm or possibly midnight at present. 
  • Any Weather Warnings issued may only be for rain, more so than the wind. While the wind will be strong at 24mph and gusts of 52mph the rain will be heavy.
    • This may change between now and Monday night.
  • The biggest thing about these storms at present is that with Joyce being named gives us 4 disturbances in the Atlantic and if the disturbance in the gulf gets named then a record 5 and a total of 7 globally at present.

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TONIGHT 14th September: We can expect showers tonight turning scattered later in the evening. It will be mainly dry otherwise. We can expect low of 7°C – 11°C.

SATURDAY 15th September: Saturday will be mainly dry with a few showers expected. We can expect strong to gusty winds as the day progresses. Highest temperatures of 14°C – 18°C.

SUNDAY 16th September: Any further rain will clear southeastwards on Sunday, winds easing and brighter conditions with some scattered showers will follow. In the southeast, rain may linger until late afternoon. Temperatures ranging from 15°C – 20°C.

MONDAY 17th September: Monday is expected to start dry, and rain is likely to develop later in the afternoon. Quite warm with highest temperatures of 17°C to 22°C. Further light southerly winds to increase moderate to fresh later in the afternoon.

It is expected that the tropical #StormHelene may hit Ireland’s south coast on Monday night, possibly Tuesday, at the moment it is likely to just be wet and windy spells and no severe damaging weather has yet been forecast.

In a statement on their website; Met Éireann say:

The current forecast is that “Storm Helene” or “ex-Tropical Storm Helene” will be to the south of Ireland on Monday night. Current guidance has the low pressure system moving northeastwards up through the Irish Sea overnight Monday and early on Tuesday, although the exact path is still uncertain. A humid spell of wet and windy weather is expected to sweep up over Ireland on Monday night and early Tuesday as a result. Current guidance suggests the potential for warning level winds and perhaps rain with the system. There remains some uncertainty in the track of the system. Met Éireann forecasters will continue to monitor the situation and issue warnings, as required, closer to the time.

Full Met Éireann forecast available here.

Author: Jayde – CSA

By Cork Safety Alerts

Administrator of Cork Safety Alerts.