Saturday, 4 October 2025

Storm Amy breaks records

 

Tragically, a man died as a result of a weather-related incident in Donegal, after falling from a shed roof. Hundreds of thousands of people were left without electricity due to the damage caused by severe wind and rain. About 49,000 homes, farms and businesses remained without power around Ireland as of noon today. Those in the worst-affected areas, including Donegal, may not have power restored until early next week. An estimated 4,000 homes are without water in Donegal, according to Uisce Éireann.

Dozens of flights were cancelled in and out of the country, including multiple flights Alex was to be on, with further cancellations and delays expected on Saturday until the worst of the storm clears. It is now centred in the Baltic.


We got an additional 28.7 mm of rain yesterday, on top of the deluge we had on Thursday. The Mall was closed this morning and must have been flooded. The pictures of waves crashing into the cliffs on the Aran Islands and Achill are astonishing, with water driven high above the cliffs. 



A new provisional wind speed record was set in Northern Ireland with a gust of 148km/h. On Friday night a gust of 96mph was recorded in Tiree in the Inner Hebrides, while Northern Ireland recorded its highest October gust on record, with 92mph at Magilligan, County Londonderry. 

Met Office announced that Storm Amy broke records overnight - Baltasound hit 947.9 hPa, provisionally the lowest October pressure ever recorded at a UK land station, beating Muckle Flugga’s 950.9 hPa in 1988. The lowest pressure I noticed on the Mayo Sailing Club weather station was 974. 

Weather data for 03-Oct-2025

StationRainMaxMinSunWindGustSoilGlobalGmin
mmoCoChrKts (Km/h)Kts (Km/h)oCJ/cm^2oC
Athenry24.018.69.214.3 (26)54 (100)13.32347.2
Ballyhaise18.917.99.612.1 (22)54 (100)13.32577.4
Belmullet20.217.89.80.423.6 (44)67 (124)13.73208.1
Casement9.318.69.60.120.9 (39)55 (102)13.17.7
Claremorris26.217.08.515.1 (28)55 (102)13.12716.9
Cork Airport15.616.99.516.8 (31)51 (94)13.37.4
Dublin Airport7.719.410.10.713.7 (25)48 (89)13.04008.7
Finner Camp18.818.510.021.0 (39)62 (115)n/a2628.8
Dunsany11.418.29.316.0 (30)53 (98)13.33058.1
Gurteen15.519.19.017.1 (32)54 (100)12.93517.1
Johnstown Castle22.017.011.00.613.2 (24)44 (81)14.41339.2
Knock Airport34.816.47.819.0 (35)63 (117)12.8n/a
Mace Head31.017.08.332.5 (60)66 (122)n/a3588.3
Malin Head9.218.49.928.3 (52)80 (148)13.22968.4
Markree Castle22.618.09.4n/a (0)n/a (0)12.93126.8
Moore Park12.718.810.210.3 (19)(0)14.04047.9
Mt Dillon23.218.19.110.9 (20)50 (93)13.62537.5
Mullingar16.818.48.612.4 (23)57 (106)13.32497.1
Newport Furnace28.717.69.318.5 (34)64 (119)14.22677.8
Oak Park12.219.49.816.0 (30)52 (96)13.73847.5
Phoenix Park8.219.79.8n/a (0)n/a (0)13.94095.7
Roches Point12.717.210.821.1 (39)52 (96)14.03238.0
Shannon Airport14.719.59.320.9 (39)61 (113)14.57.6
Sherkin Island17.417.010.523.3 (43)55 (102)14.42518.6
Valentia18.017.98.30.619.9 (37)52 (96)14.53377.0
Data produced at: 04-Oct-2025 09:10:01

Meanwhile, Met Éireann issued the stat analysis for September, noting it was the wettest month in 2025 to date. It was cooler than average. I'd say October may compete with September for top honours. 


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