After a warm, dry summer in much of Europe, cooler and wetter weather will prevail this week.
Many places from southern Germany through the Balkans to Romania experienced a drier- and warmer-than-normal summer. Although a rainy stretch ended August in some areas of central and eastern Europe, the wet weather was not accompanied by cooler temperatures.
A slow-moving storm system will bring an extended period of unsettled weather to the region through the week.
The storm will sluggishly slide southeastward into Romania by the weekend. Along the track of this disturbance, bouts of showers and plentiful cloud cover will promote wet and cool conditions.
While the gloomy conditions will be noticeably different than the past month or two, the rainfall in beneficial for many locations that are in a short-term drought.
Croatia, Slovenia and Bosnia and Herzegovina have been hit hardest with parched conditions. Belgrade, Serbia, has picked up just 44 percent of normal rain since June 1 while places farther north like Budapest, Hungary, have only received 54 percent of normal.
This stretch of cooler- and wetter-than-average conditions could be prolonged for a couple of weeks. AccuWeather.com Expert Senior Meteorologist Jason Nicholls noted, "The cooldown could last for 15 to 20 days, into the last week of September. By month's end, a return to warmer-than-average conditions is possible."
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A slow-moving storm system situated over the Plains will dampen areas of Dallas over Memorial Day weekend and through the first half of the week.
After a brief respite from the rain early in the week, another round of soaking downpours and thunderstorms pushed across the southern Plains.
Mild weather and passing showers will greet concert goers this weekend as artists take the stage at BBC Radio 1 Big Weekend Festival and Sound City.
A slow-moving storm system will continue to bring heavy rain and thunderstorms to parts of Italy and the Balkan Peninsula into this weekend.
It might feel more like late October rather than late May in the Northeast on Friday night as temperatures dip well below normal.
Southwestern & Central OK (1996)
Sinking air from dying thunderstorms cause unusual late night rise in temperature. Many places rose from upper 80s at 11:00PM to near 100 degrees by 3:00AM.
San Antonio, TX (1998)
Very dry since April 1st - only 0.05 of rain.
Hallam, NE (2004)
The "Hallam" tornado touched on the ground for 2.5 miles and reached F4 status at it's peak intensity. 95% if the town of Hallan's buildings were damages or destroyed.