Saturday, May 15, 2021

Frost Delays 5/15/21

Frosted turf around Lakes 1 tees

 We've had frost delays the past 4 mornings due to nighttime temperatures in the low to mid 30's.  Frost delays are still common this time of year and can even occur when the air temperature is above freezing, as was the case the past 4 nights.  Frost will usually be evident at sunrise, as the air at ground level is warmed it becomes lighter and rises.  Colder, denser air will take the place of the warm air and can be 5-10 degrees cooler, thus creating frozen turf.  Frost usually "burns off" quickly in direct sunlight, but certain areas of the course are heavily shaded and take longer to thaw, such as Orchard 1, Lakes 2, and Grove 2 & 3.  Our winter tree removal program has focused on these specific holes to allow for increased sunlight penetration, but we still have more work to do.  The maintenance staff monitors these specific holes on cold mornings to determine whether frost is present, and the decision to allow play is based on when those areas will be frost-free and the courses can be prepared for play.  The maintenance staff requires a 45-60 minute head start to stay ahead of play depending on the activities that day.  Looking at weather records from last year, our last frost delay occurred on 6/1.


Frost delays are a great time to mow outer rough that's not affected by the frost

Trimming back overgrown brush and low hanging trees along cart paths are a regular frost delay task

Mulching landscape beds around the clubhouse on frosty mornings greatly improves aesthetics

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