March Hazard of the Month: Hail

A hailstorm is an outgrowth of a severe thunderstorm in which balls or irregularly shaped lumps of ice fall with rain. Hail is formed in thunderstorms when the updraft is strong enough to hold freezing masses of water above the freezing level.
When hail hits, it can damage cars, break windows, shred roof coverings, and lead to water-damaged ceilings, walls, floors, appliances, and personal possessions. Large hailstones can also cause serious bodily injury. Hailstones can fall at high velocities, with baseball size hail reaching 100 mph.

Are we at risk? The National Weather Service, Tulsa Office, indicates hail 0.75 inches or larger occurs most often between March and June in Eastern Oklahoma and between the hours of 4:00 pm and 10:00 pm. Tulsa has an average of three days per year with 1.25 inch hail or larger. Hail caused over $24 million in damages to the City of Tulsa between 1995 and 2011. According to the 2014 City of Tulsa Multi-Hazard Mitigation Plan, the City of Tulsa has a high probability of hail storms and can expect to experience an average of 15 hail events each year.

What to do? Not all severe weather is alike, which is why your reactions to different storms also shouldn’t be alike. To find out more about the differences in response between tornado and hail, go to

Don’t Goof When You Re-roof. Many roofing manufacturers have Class-4 impact rated shingles available that are designed for hail. In addition to impact-resistant shingles, there are other things you can do to protect your roof from hail damage and subsequent water intrusion when you replace your roof. The IBHS FORTIFIED Home™ High Wind and Hail standard identifies these practices for existing homes and new construction. For information on this standard and an available designation program using trained third-party evaluators, go to or

For more information about hail, go to or

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She Didn’t Know What She Said Was Wrong…

Dear Friends and Colleagues:

As we enter spring storm season, the lives of people, their property and their livelihoods are at risk. You can get life-saving information and resources to them through your support of the Disaster Resilience Network (DRN).

She didn’t know what she said was wrong…

At a workshop for members of the Spanish language media, the DRN shared how important it was that a family shelter-in-place during tornado warnings instead of going out into the storm to find safety elsewhere. A popular radio announcer said that she had been telling her listeners to go to a big box store, a bad option given its large span roof. She did not know until our workshop how potentially dangerous was the information that she shared on the air. Nine Guatemalans in Oklahoma City died in a 2013 storm after they left the safety of their homes because of similar misinformation.

Because of you, the DRN is able to provide information and training to people of all walks of life on how to be resilient. Whether it is through business continuity workshops, preparedness presentations to multicultural communities, or training building professionals and the general public about disaster resilient construction, we reach hundreds of people a year with outreach efforts done through your generous support. This is truly your Disaster Resilience Network.

This year we’ve set a goal to raise $100,000 annually for operating revenue. Your tax-deductible donation will help solidify our position as the leader in building disaster resilient communities throughout Oklahoma. If you have additional questions, or prefer to donate online, please visit our website at this link .


Tim Lovell, Executive Director

David Hall, Fundraising Chair

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Business Do1Thing March: Facilities

If your facility is damaged, how will you continue to operate? Taking steps to protect your building and its contents ahead of time can get you back into your facility faster. Alternate worksites, telecommuting, even working from a vehicle are all potential solutions, but need planning ahead of time to make them successful. For more informtion visit

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Personal Do1Thing March: Sheltering

In a disaster, you may be asked to either evacuate or shelter-in-place. In the excitement of an emergency, it can be difficult to focus on what you are doing. Know what to do to keep your family safe. Practice your tornado and fire safety plans. If your family has practiced, they will be more comfortable doing it when the emergency actually happens. To learn more visit

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Disaster Resilience Network explica cómo estar preparado para las emergencias

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March Key Message

Tulsa Partners is working with the City of Tulsa Program for Public Information to send out monthly key messages to enhance how the PPI operates and educates the public on disaster resilience. Please share this message through your social media outlets, and let us know at if you do.

This month’s message: You need flood insurance

ulsa has a long history of flooding. Although it has been many years since Tulsa has experienced a major flood disaster, the dangers of another flood or severe weather event should not be ignored. Unfortunately, most homeowners insurance does not cover damage from floods. You can protect your home and the contents of your home with flood insurance from the National Flood Insurance Program (NFIP). According to the Federal Emergency Management Agency (FEMA), if your home is located in a high-risk flood zone, there is a 26 percent chance it will flood during the life of a 30-year mortgage.

City of Tulsa residents receive a 40 percent discount on flood insurance rates for homes located in a Special Flood Hazard Area (SFHA) and a 10 percent discount for other properties. You should obtain flood insurance coverage for both the structure and contents as flooding can cause more damage to the contents than the structure. Renters can buy contents coverage even if the property owner does not insure the structure. There is a 30-day waiting period before the policy becomes effective.
The City of Tulsa has staff available to help you better understand the potential impacts of flooding to your home, can help you interpret detailed floodplain maps and explain the flood insurance and development requirements. To find out if your property is located in the floodplain, contact the City’s Customer Care Center at (918) 596-2100 with the address or legal description of your property and a free flood zone determination will be sent to you. To learn more about flood insurance, contact Bill Robison, Floodplain Engineer or Laura Hendrix, Floodplain Administrator through the City’s Customer Care Center at (918) 596-2100. You can also visit the following websites for more information on flood related topics:

Learn about your risk of flooding at:
For flood insurance information, visit: and
Research Tulsa’s flood-prone areas and flood maps online at:
Flood preparedness and safety tips are available at:,,

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February Hazard of the Month: Levee Safety

Many Tulsans do not know about the levee system surrounding the West Tulsa community in the Eugene Field area south of the river, the Charles Page area north of the river, and the Sand Springs area between Highway 412 and the Arkansas River. These levees offer some flood-risk reduction. However, as they are aging they should not be relied on to provide complete protection. If you live in these flood-prone areas, it is even more important that steps be taken to secure your home and family from danger.

If you’re living or working in these inundation areas, or routinely drive through them, you should be aware of potential hazards and plan the best evacuation routes to keep your family safe. If you encounter a flooded road, Turn Around Don’t Drown.

Remain vigilant during inclement weather. Tune in to the local news media for information about potential flooding or dangers from dam failures. Flood sirens will be activated if a breach or high release is imminent. Pay attention to weather watches and warnings.

Most homeowners’ insurance does not cover damage from floods. You can protect your home and its contents with flood insurance from the National Flood Insurance Program (NFIP). For more information about flood insurance, contact Bill Robison, Floodplain Engineer at (918) 596-9475 or Laura Hendrix, Floodplain Administrator at (918) 596-9685 or visit

Know Your Risk of Flooding. The City of Tulsa has maps and information on flood-prone areas as well as other flood-related information. To learn more about your risk of flooding, call the City of Tulsa Customer Care Center in Tulsa at 3-1-1 or outside Tulsa at (918) 596-2100 or visit To learn more about flood preparedness and safety, visit or

The Disaster Resilience Network is providing these hazards of the month in conjunction with the City of Tulsa’s Storm Water Drainage and Hazard Mitigation Advisory Board. These hazards are identified in the City of Tulsa Multi-Hazard Mitigation Plan.

To see how this message has been shared on Facebook, Twitter and Instagram, go to February Hazard of the Month.

You can also use a combined January / February Message on Dams and Levees by using this article.

Please let us know if you share this information by emailing

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Oklahoma City: A Story of How Patriotism Becomes Radicalism

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Building in Tornado-Prone Areas

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Oklahoma Stormwater Infrastructure

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