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The USACE has released HEC-HMS version 4.3. This update includes a few new features such as the redesign of the optimization trial when calibrating parameters, a new reach routing method, and enhancements to other routing methods. There are also bug fixes as outlined in the release notes .

This version supersedes all previous versions and can be downloaded here click here .

Read More - HEC-HMS 4.3 Released

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TagsHEC-HMS, modeling, Hydrologic modeling,

The National Weather Service predicts a wetter-than-usual winter for the South and Southeastern United States. Coming on top of a string of stormy, soggy months that inundated communities from Central Texas to the Carolina coast, that forecast indicates that we should stay prepared for the potential of more flooding in coming months.

We should not underestimate the power of rushing water. Most flood-related drownings occur when cars drive into floodwaters or...

Read More - With Wetter-Than-Usual Winter Ahead, Here Are Tips To Stay Safe If It Floods

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TagsFlood, Flooding, weather, FEMA, Flood Monitoring, flood warning,

The USACE released new version HEC-RAS 5.0.6 that repairs a list of problems from the previous version. Updates were made to the 2D Manning’s N Regions, RAS Mapper Stored Maps, Advanced Time Step Control, Lateral Structure Connections and more.

This version supersedes all previous versions. For a full list of the updates, click here .

Click here for download.

Read More - HEC-RAS Version 5.0.6 Released

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TagsHEC-RAS, modeling, 2D modeling,

As this year’s hurricane season continues to challenge the Gulf and East coasts, officials will encounter multiple difficult decisions, including when or if to evacuate cities and towns before a storm to deploying resources during and afterward.

When Hurricane Florence threatened and then hit the Carolinas in September, Freese and Nichols had a team in place to help guide the South Carolina Department of Natural Resources Flood Mitigation Program...

Read More - Lessons Learned from Hurricane Florence

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TagsHurricane, Stormwater, hurricane florence, disaster preparedness, disaster, disaster recovery,

In the immediate aftermath of Hurricane Harvey’s inundation of Houston in August 2017, Freese and Nichols quickly put boots on the ground to help the Harris County Flood Control District assess the extent of flood damage to the 2,500 miles of channels across the county and estimate the costs of repairs.

However, this was only the beginning of the post-storm recovery efforts that continue more than a year later. An...

Read More - Maximizing Funding Assistance for Disaster Recovery

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Tagsdisaster recovery, Hurricane harvey, storm, Flood, FEMA, TWDB, Funding, EPA, CWSRF, Water and Wastewater, Stormwater, water resources,

Engineers often begin projects with the following questions: when it rains, how much water infiltrates into the soil, how much water runs off, and how quickly does this water travel?

This exercise helps us to adequately size new infrastructure, develop safer building codes, and protect communities from flood hazards. Though there are many ways to evaluate the impacts of stormwater, the foundation of any of these methodologies is an understanding of...

Read More - NOAA Atlas 14 Volume 11 Released Today – Better Rainfall Data for Texas

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TagsNOAA precipitation, NOAA, NOAA rainfall,

The growing death toll from Hurricane Florence emphasizes that having a flood warning system in place is more important now than ever.

The National Weather Service estimates that floods were the leading cause of weather-related deaths in 2017 — ahead of heat — with 116 lives lost. Floods can occur at any time of the year, in any part of the country and at any time of the day or night....

Read More - Flood Warning Systems: A Cost-Effective, Essential Solution

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TagsFlooding, Hurricane, flood warning, Flood Monitoring, flood risk management,

The Texas Water Development Board’s (TWDB) Draft State Flood Assessment is now open for public review and comment. All comments must be received by 5:00 p.m. on October 3, 2018 to be considered. The TWDB is encouraging the public to participate in the contribution period before the final publication of the State Flood Assessment.

The public has three options for providing comments:

  • Email comments to PUBLIC-COMMENT@twdb.texas.gov
  • Provide public...
  • Read More - Texas Water Development Board's Draft State Flood Assessment Comment Period Begins

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    TagsTexas Water Development Board, TWDB, flood assessment,

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