Monday, 19 January 2015

Warm weekend, but temperature drops today

Both Sydney and Jyväskylä saw warm weather over the weekend. It was above zero on both days in the central Finnish city, while temperatures along Australia's east coast soared well above 30C on Saturday. Cooler conditions arrived today in both cities, although Jyväskylä's drop will be longer lasting.

Sydney Airport saw its second warmest day of the month on Saturday. Only a few days after a top of 36.7C, the 35.8C maximum was the second maximum above 35C this January, and also the eighth above 30C.

Yesterday was a little cooler, but also more comfortable, as it reached 27.2C. That was despite persistent southerly winds. Weekend minimums were again above 21C, further increasing the likelihood of this January recording the highest average minimum on record.

The southerly winds had more of an impact today. The Airport saw its second lowest daily maximum of the month with a top of 23.0C. Temperatures also dipped below 20C to 19.2C in the late evening. That made today only the third day this month to drop below the mark. The early hours of January 20, however, have seen it drop to 18.4C, the first time below 19C since December 29.

Conditions remained dry at the Airport over the weekend, but a brief shower just before 3am this morning brought the first precipitation since the 14th. A total of 0.4mm was recorded. Showers are currently passing through Sydney and 3.4mm has fallen by 7am.

After rising back above zero in Jyväskylä last Thursday, mild conditions continued over the weekend. Friday evening saw it climb as high as 2.4C. It topped 2.5C just after midnight as well. The warmer temperatures made for some challenging and dangerous conditions for pedestrians and drivers as a few centimetres of packed snow turned to slippery ice.

Saturday held above zero for the whole calendar day for the first time since January 2. It finally dropped below zero at about 2pm Sunday and it has remained that way since then.

A high pressure system is now sitting on the Finnish-Swedish border and is generating colder northeasterly winds across much of Finland. As skies cleared today, temperatures dropped fairly dramatically at Jyväskylä Airport as well from just below -2C at 3am to -17.8C by 10pm. It'll get even colder overnight and the next few days will see temperatures hover close to -20C.

Light snow this morning pushed the current rain day streak to eight. 48.1mm has fallen so far this month. Sun and clear skies are expected this week though with snow possibly not returning until Friday afternoon.

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