Hamilton County EMA
@HCEMA
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Official Twitter of Hamilton Co., OH Emergency Management & Homeland Security. Dedicated to building a disaster resistant & resilient community in Hamilton Co.
Hamilton County Ohio
Joined May 2009
Alert HC is the official emergency notification system for Hamilton County, It is the best way to receive important information about hazards that may impact your safety. Visit to sign up for 40+ alerts so you can stay informed during an emergency.
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Alert HC:. Flood Advisory Flood Advisory issued August 5 at 6:13PM EDT until August 5 at 9:00PM EDT by NWS Wilmington OH.
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The Hamilton County Emergency Management & Homeland Security Agency supports our county’s disaster resistance and resilience by managing the Alert HC emergency notification system, developing emergency plans, and more. For more info about HCEMHSA, visit
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Thank you to the Hamilton County Board of County Commissioners for proclaiming August 2025 as National Emergency Management Awareness Month! Our agency coordinates disaster preparedness, response, recovery, & mitigation. Visit for info. #EMAwarenessMonth
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When thunder roars, go indoors! Seek shelter immediately when you hear thunder or see lightning and follow these tips to stay safe during thunderstorms. #LightningSafety #SevereWxPrep
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Information from the emergency alert from Warren County that may have been received by some Hamilton County residents.
We have an active incident in the Landen area of Deerfield Township, where an emergency alert inadvertently went out to unintended areas. There is no threat to the community and this is an isolated incident. We ask those that live in the area of the Woodfield development in.
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Knowing the difference between Watch and Warning alerts is critical to taking the correct actions for keeping you and your family safe during severe weather. During a WATCH, stay alert, monitor, and plan for action. During a WARNING, immediately take shelter. #SevereWeatherPrep
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Extreme temperatures with heat indices over 100° are expected to start today, July 24. #BeatTheHeat with these safety tips & know the signs of heat illness to take life-saving actions. Use extra caution spending time outdoors this weekend. #HeatSafety. (Repost with correct date)
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FYI: The Quarterly Meeting of the EMHSA Executive Committee will be held on July 28, 2025 at 3:30 p.m. at the Hamilton County Public Health building (5050 Section Ave, Cincinnati, OH 45212).
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Alert HC:. Flood Advisory Flood Advisory issued July 20 at 8:22PM EDT until July 20 at 11:30PM EDT by NWS Wilmington OH.
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Alert HC:. Tornado Warning Tornado Warning issued July 20 at 7:00PM EDT until July 20 at 7:30PM EDT by NWS Wilmington OH.
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Alert HC:. Severe Thunderstorm Warning Severe Thunderstorm Warning issued July 20 at 6:58PM EDT until July 20 at 7:45PM EDT by NWS Wilmington OH.
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Alert HC:. Severe Thunderstorm Warning Severe Thunderstorm Warning issued July 20 at 6:32PM EDT until July 20 at 7:15PM EDT by NWS Wilmington OH.
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Alert HC:. Flood Watch Flood Watch issued July 20 at 1:50AM EDT until July 21 at 11:00AM EDT by NWS Wilmington OH.
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Alert HC:. Flood Advisory Flood Advisory issued July 18 at 7:21PM EDT until July 18 at 10:00PM EDT by NWS Wilmington OH.
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Severe Thunderstorms & Flooding expected for Hamilton County starting today through the weekend. Use these safety tips. Seek shelter if you hear thunder or see lightning. Have multiple ways to receive alerts. Drive with caution: turn around, don’t drown. #CincyWX #FloodWatch
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Alert HC:. Flood Watch Flood Watch issued July 17 at 3:24AM EDT until July 18 at 12:00AM EDT by NWS Wilmington OH.
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Alert HC:. Severe Thunderstorm Warning Severe Thunderstorm Warning issued July 12 at 6:41PM EDT until July 12 at 7:15PM EDT by NWS Wilmington OH.
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Alert HC:. Severe Thunderstorm Warning Severe Thunderstorm Warning issued July 12 at 3:53PM EDT until July 12 at 4:30PM EDT by NWS Wilmington OH.
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Preparing children for emergencies is critical to ensure your entire family knows what actions to take. Make sure children know how and when to call emergency contacts, including calling 911. For more information, visit #YouthPrep
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