Met Eireann Tweets in the run-up to and during/after the storm:
6 Dec 2015 9:00
Met Éireann @MetEireann

Mostly dry & bright today with just a few well scattered showers. It'll be less windy but the day will feel fresher with highs of 7-9C.

6 Dec 2015 6:00

Rain clearing e'wards this morn giving way to a bright & mostly dry day, with sunny spells and mostly light winds. Turning colder Highs 6-9C

6 Dec 2015 0:00
V windy with further heavy falls of rain esp in SW W &N Clearer weather extending from NW overnight &winds easing Turning cold later Low3-6C

5 Dec 2015 20:00
Continuing v wetwindy tonight,& heavy rain especially in W & N. Winds veer W to NW &moderate towards morn as rain clears E'wards. Min 3-6C.

5 Dec 2015 20:00
10 minute mean windspeeds at 7pm local time, today Saturday. pic.twitter.com/grbq52rX8b
View image on Twitter

5 Dec 2015 18:00
10 min mean windspeeds for 5pm local time today Saturday. pic.twitter.com/SGSjU91QWo
View image on Twitter

5 Dec 2015 18:00
... Rain will be more intermittent in E &S counties.
Continuing extremely windy, with gale force SW'erly winds & some severe gusts.

5 Dec 2015 18:00
Widespread rain continuing today&tonight, especially in Conn &W Ulst, where prolonged falls of heavy rain will lead to more flooding. ....

5 Dec 2015 14:00
10 minute mean wind speeds at 1pm for today Saturday. pic.twitter.com/3Nu77rZSh7
View image on Twitter

5 Dec 2015 12:00
.... and W Ulster with some further flooding likely. Highs 10 to 12 degrees Celsius.

5 Dec 2015 12:00
Continuing extremely windy in most places with gale force SW winds & some severe gusts. Widespread heavy rain, severe in Connacht.....

5 Dec
Prolonged heavy rain in W & NW likely to cause flooding. Rain becoming lighter & intermittent in SE & E. Very strong SW winds. Highs 10to13C

4 Dec
Extremely wet & windy overnight. Prolonged heavy rain in the western half of the country. Strong SW winds with damaging gusts. Lows 8to11C

4 Dec
... conditions. SW winds will be strong to gale force & v gusty, with the most severe winds in W & NW coastal counties. Lows 9 to 11.

4 Dec
V windy & blustery overnight with widespread rain, heavy in western coastal counties. Some flooding expected with dangerous driving....

4 Dec
... Highest level RED rainfall warning for selected counties. Highs of 10 to 12, in very strong SW winds.

4 Dec
Becoming windy as Storm Desmond feeds in incessant falls of rain. The rain will reach the W & NW this aft extending countrywide this eve....

4 Dec
Multiple weather warnings issued, including Status Red rain warning for some western areas. For further info see http://bit.ly/VWJ39P

4 Dec
Dry&bright for a time. Becoming very windy with incessant heavy rain in the W & NW this aft extending E'wards after dark. Significant......

4 Dec
.....rainfall totals occurring leading to flooding issues & treacherous driving conditions. Highs 11-12C in strong to gale force SW winds

4 Dec
Dry & bright to start.Rain will spread SE this afternoon & evening,turning heavy in western counties later.Windy & cool.Highs 10-12C

3 Dec
Showers overnight but becoming mainly dry by morning.Lows 3-7C.
Mainly dry on Friday AM.Rain spreading eastwards during the PM.Windy also

3 Dec
Rain will clear from the E this eve and the it will be dry into the early part of night. Frost may occur in some places under clear skies.

3 Dec
Heavy rain in Muns&Lein in aft, local flooding sleet in places. Rain for a time in Conn&Ulst Cold, highs 3-8C gen but11or12C in parts of SE

3 Dec
Today heavy rain in Mun/Len much of the time with risk of local flooding.Sleet in places in pm/eve.Con/Ult will have a little rain.Max 7-8C.

2 Dec
Rain in S becoming persistent over Mun/S len tonite.Mainly dry further N.Min 2-4.Tmrw wet in Mun/Len withrisk flooding.Some sleet.Max 5-10

2 Dec
Tonite dry in most areas.Rain in S becoming persistentand extending over Mun/S Len.Frost in parts of Nern half of country.Min 1-4C.

2 Dec
Mostly dry this evening with frost developing tonight. Rain along S coast overnight will bec heavy in the South & SE in the morn. Lows 2-4C

2 Dec
Mostly dry this evening with a frost developing tonight. Rain along the S coast overnight will become heavy in the south & SE in the morning

2 Dec
Mostly dry this aft & eve, just an odd shower on the NW coast and possibly a little drzl near SE'rn coasts. Some frost in N'rn areas tonight

2 Dec
Apart from a few showers in W Connacht & W Ulster today will be mainly dry. Moderate W breezes. Highs 7to11C, mildest in SE.

2 Dec
Rain clearing eastwards to isol shwrs. Fresh SW'rly winds veer W'rly and moderate with the clearance. Afternoon highs: 7-12C, mildest in SE.

1 Dec
Mild & windy tonight. Mostly dry over the E at first but persistent rain in the W will spread eastwards later. Min 8-10C.

1 Dec
Persistent rain will spread eastwards overnight but clear in the NW around dawn.
Lows: 6C in NW to 10C in S & E. Strong gusty S to SW winds

1 Dec
Some rain or drizzle in places, mainly affecting NW & W, but bright intervals developing in the E & SE. Windy but very mild; highs 12to14C

1 Dec
Some rain or drizzle in places, mainly in the northwest & west. Bright intervals towards the east & southeast. Windy but mild. Highs 12-14C
1 Dec