Thursday, September 22, 2016

Weather Update 9-22-16 at 0715

Good morning,

Since yesterday evening’s update, we witnessed the significant difference between the terms forecast and observation.  Forecasts are made based on imperfect data and ever-changing conditions.  Observations are just that – conditions which are actually seen.  As stated by Tom Knutson of NOAA/Geophysical Fluid Dynamics Laboratory and Robert Tuleya of ODU’s Center for Coastal Physical Oceanography: “If we had observations of the future, we obviously would trust them more than models, but unfortunately… observations of the future are not available at this time.”  In other words, forecasts are always subject to change!

Last night far exceed the half inch of rain forecasted in the hourly graph.  Fortunately the infrastructure has been doing well receiving and moving that water and with the exception of the usual trouble areas (i.e. 4th View), there have been no reports of significant flooding on the roadways.  This includes the Tidewater underpass just south of Lindenwood Ave which had been temporarily closed yesterday due to an electrical issue with one of the pumps.  Pump crew responded quickly and corrected the issue.  We currently stand at an around a 40-50% percent chance of rain throughout the day with a fraction of an inch expected.  Furthermore, the expected high tide at 2:30pm this afternoon is 4.1’ – short of the Minor flood stage of 4.5’ but may still cause pockets of flooding on some of the usual trouble spots.  All conditions normal today and the evening commute should not be impacted.

Unless conditions change (again…), this should be the last update related to this weather system.

This update will also be sent to ALLEXCHANGE and our Team Norfolk partners.

Thank you and have a great day!

Jim
 

 

 

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