Norfolk king tides and high water in 1999

In 1999, NOAA's Sewells Point tide gauge recorded water high enough for FloodRoute's model to put at least one Norfolk road at risk on 18 days. The highest was 5.97 ft on Thursday, September 16, 1999, 3.18 ft above the tide tables, with 96 roads at risk, including West City Hall Avenue, South Mowbray Arch and Dinwiddie Street.

Sep 16, 1999: 96 roads at risk5.97 ft at the Sewells Point gauge · 3.2 ft above the tide tables · deepest: Severe · model estimate

Estimates, not records of actual flooding. Each day is NOAA's verified high water at the tide gauge, run through FloodRoute's flood model on today's roads and elevations, in dry weather. Drains, levees, tide gates, rain, road changes and elevation error all mean real conditions differed. Not for property, real-estate, insurance, lending, engineering or legal decisions.

Highest water in 1999

Highest water days in Norfolk in 1999
Date	High water · Sewells Point	vs tide tables	Roads at risk	Deepest streets (model)
Sep 16, 1999	5.97 ft	+3.18 ft	96Severe	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street
Aug 30, 1999	5.59 ft	+2.47 ft	64Severe	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street
Aug 31, 1999	5.34 ft	+2.43 ft	37Likely	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street
Sep 1, 1999	5.33 ft	+2.54 ft	37Likely	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street
May 14, 1999	4.97 ft	+1.70 ft	24Likely	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street

Every day with roads at risk (18)

Every day with roads at risk in Norfolk in 1999
Date	High water · Sewells Point	vs tide tables	Roads at risk	Deepest streets (model)
Mar 15, 1999	4.54 ft	+2.02 ft	11Likely	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street
Apr 30, 1999	4.29 ft	+1.46 ft	6Possible	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street
May 1, 1999	4.33 ft	+1.53 ft	6Possible	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street
May 2, 1999	4.16 ft	+1.75 ft	5Possible	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street
May 13, 1999	3.97 ft	+0.85 ft	1Possible	West City Hall Avenue
May 14, 1999	4.97 ft	+1.70 ft	24Likely	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street
May 15, 1999	4.66 ft	+1.31 ft	12Likely	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street
May 16, 1999	3.99 ft	+0.65 ft	1Possible	West City Hall Avenue
Jun 12, 1999	4.03 ft	+0.78 ft	1Possible	West City Hall Avenue
Jul 12, 1999	4.16 ft	+0.96 ft	5Possible	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street
Jul 13, 1999	4.10 ft	+0.94 ft	3Possible	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street
Aug 30, 1999	5.59 ft	+2.47 ft	64Severe	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street
Aug 31, 1999	5.34 ft	+2.43 ft	37Likely	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street
Sep 1, 1999	5.33 ft	+2.54 ft	37Likely	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street
Sep 2, 1999	4.54 ft	+1.86 ft	11Likely	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street
Sep 4, 1999	4.63 ft	+1.58 ft	12Likely	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street
Sep 5, 1999	4.01 ft	+0.92 ft	1Possible	West City Hall Avenue
Sep 16, 1999	5.97 ft	+3.18 ft	96Severe	West City Hall Avenue, South Mowbray Arch, Dinwiddie Street