Storms were already seen overnight on Finland's west coast, but this morning around 10am more storms began to develop on a ridge from between Hämeenlinna and Lahti down to Porvoo on the southern coast. The first group moved north west towards Tampere before more activity developed around Lahti after 11am.
Storms were in the forecast and storm warnings had been in force since yesterday afternoon so what came next wasn't too surprising. The developing activity north of Lahti spawned a stronger cell that included lightning and heavy rain. The storm developed further over Lake Päijänne while moving north and by 2pm dark clouds were visible south of Jyväskylä.
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| Storm clouds approaching Jyväskylä during the afternoon of July 14 |
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| The sky gradually darkened over the city as the clouds drew closer |
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| Heavy rain eventually arrived leading to the highest daily total at Tikkakoski in almost 7 weeks |
As seen in the images, rain did arrive along with the storm. Tikkakoski saw just over 17mm in the hour between 2pm and 3pm, although all of that fell some time after 2:30pm. The daily total reached a bit above 23mm, making it the third wettest day of the year and the wettest day since May 26. Power was knocked out in a few areas of Jyväskylä due to a few ground strikes within the city area. Localised flooding was also seen.
Temperatures didn't quite get to the forecast top from yesterday of 27C, but it was a very humid and sticky day with humidity levels holding above 70%. The next couple of days could see similar conditions to today. It shouldn't be too warm, staying below 25C, but it'll be humid and the threat of storms will in the air for tomorrow and Wednesday.
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