Past IEM Features tagged: jun09

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Cool, then hot

29 Jun 2009 06:09 AM
The featured graph is of daily high temperature percentile values for Des Moines this June. The first half started off cool, while the second half has been hot. June is going to end though with very pleasant weather after a cold front swept the state clean of the high moisture values this past weekend.

Voting:
Good: 14
Bad: 5

Tags:   jun09  


Putting a floor in

26 Jun 2009 06:15 AM
The featured graph is a time series of temperature and dew point from Des Moines for the month of June. June started off on the cool side thanks in part to a dry northerly wind that kept dew points mostly in the 50s. Around the 17th of June, the rich moisture returned and so has the warmer weather. Higher dew points act to put a floor in on how low temperatures can get during the night and as dew points have increased, so has the temperatures.

Voting:
Good: 31
Bad: 17

Tags:   jun09  


Moisture finally returns

17 Jun 2009 06:09 AM
Last week, the plight of Esterville was featured. The lack of southerly winds had left them with a very cool start to June. Finally, the weather pattern has changed and a recent stretch of southeasterly winds have helped to boost dew points into the low 60s. Air temperatures are on the rise as well with highs expected in the mid to upper 80s. Welcome summer!

Voting:
Good: 14
Bad: 8

Tags:   jun09  


No wonder it has been cool

10 Jun 2009 06:08 AM
The featured image is a wind rose for June from Esterville showing no reports of southerly winds so far this month. It is no wonder that temperatures have been on the cool side, since cooler air from the north continues to advect in. This pattern looks to continue into this weekend.

Voting:
Good: 38
Bad: 6

Tags:   jun09   windrose  


Too cold for June

09 Jun 2009 06:14 AM
The featured chart presents the daily high temperature this month (dots) along with the historical range of values based on obversations back to 1951 for Esterville. Both days of the weekend experienced record minimum high temperatures that were even lower than the average low temperature, which is rare for this time of year. Highs today will struggle in the 60s instead of the upper 70s.

Voting:
Good: 34
Bad: 5

Tags:   jun09