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A great resource for aerial imagery and animations from NASA, “Visible Earth” recently posted a photo from one of its satellites showing the effects of the significant amount of rain the South has experienced over the last several weeks. The first image shows flooding (in dark blue) around the Mississippi and White rivers. The second image shows a map of rainfall that fell from March 7-14; the brightest shades (located in northern Louisiana, northwestern Mississippi,...

Read More - NASA Aerial Imagery Shows Flooding in the South

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With the recent storms in the southwest United States, many of the regional lakes are at or above capacity, including in the North Texas Region. Water is being released from lakes at a higher rate than normal, which may potentially cause river flooding downstream. Municipalities and communities may need to warn residents and business owners in flood-prone areas in a timely manner for public safety. The National Oceanic and Atmospheric Administration's National Weather Service...

Read More - Flood Warning Inundation Mapping from NOAA

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TagsFlooding, flood warning, river flooding,

“Call Endress regarding status of Fort Worth Lakes handling of floods” would seem like an appropriate statement for May 26, 2015. However, this was written by early partner and firm namesake Simon Freese in a May 26, 1957 diary entry during another wet May that ended the multi-year 1950’s drought.

In fact, in May 1957, 12.64 inches of rainfall were recorded at DFW Airport making it the 2nd wettest May in Texas,...

Read More - Throwback Thursday: Texas Floods

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TagsFlooding, drought,

Co-authored by Evan Burn, EIT, and Lesley Brooks, P.E., CFM

The City of Kilgore was facing flooding and other issues in the downtown area related to aging storm sewer infrastructure. In addition, staff members who had recently joined the team were not as familiar with the existing infrastructure and wanted to gain more insight into what was in place. To address these issues, the City turned to Freese and Nichols to create...

Read More - Storm Sewer Master Plan Identifies and Prioritizes Improvements for Downtown Kilgore

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TagsFlooding, Stormwater, GIS,

Freese and Nichols’ innovative underground detention project in the historic Central Arlington Heights neighborhood of Fort Worth is currently being advertised for construction. This project included the design of a custom detention system underneath a flood-prone residential street in the historic neighborhood. The area had previously been studied by Freese and Nichols to determine the extent of the existing flooding and to identify solutions to eliminate flooding in a 100-year storm. The previous studies identified...

Read More - Underground Detention in Historic Central Arlington Heights

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TagsFlooding, detention system,

The Still Creek Watershed in Bryan, Texas, had a habit of flooding in unexpected places. Some areas along the creek and its tributaries flooded on a regular basis. Other areas like the Lynndale Acres subdivision had a history of flooding outside of the Federal Emergency Management Agency floodplain. This area was identified by the City's Stormwater CIP Masterplan as the most severe flooding problem in Bryan due in part to storms in 2007 and 2009...

Read More - Finding Funding for Flood Studies: City of Bryan - Still Creek Watershed Study

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TagsTexas Water Development Board, Funding, Flooding,

When a Freese and Nichols Southeast Division team replaced the Jones Creek Spillway​, west of Houston, they designed and built it to withstand an extreme scenario. But they probably didn't expect such an event to happen so soon.

On May 11, four days after completion, the Spillway was tested by a storm just under the 100-year storm event: a flood that resulted in headwaters only one foot below the design elevation. The project passed...

Read More - Spillway Passes Flood Test

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TagsFlooding, Innovation,

In a difficult economy, many clients question spending additional, already-tight project funding to design their stormwater management projects to accommodate a 100-year storm and/or flood, which has a low probability of occurring. However, this decision should be weighed heavily. Saving project capital now could put your community at a significant risk later.

They Happen More Often than You Think It is commonly believed that 100-year storms and floods occur once every 100...

Read More - The Importance of Designing for 100-Year Storms

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TagsFlooding, Stormwater Design,