
Hurricane preparedness
Need the zone, the order or the plan?
Your evacuation zone is a planning lookup. Use Which hurricane evacuation zone am I in? to find the zone that applies to your ZIP-code area.
An evacuation order is live information. When a storm threatens, follow the current official instruction for your address. Do not treat a planning-zone table as an order to leave.
Your household plan belongs on this page: alerts, supplies, routes, pets, power and what to do before, during and after a storm.
Baytown sits on Galveston Bay, and the Atlantic hurricane season runs from 1 June to 30 November. The city publishes a preparedness guide in English and Spanish; this page summarises what it asks residents to do.
Make a plan
Agree with your household now on where you will go, how you will find each other and how you will communicate if phones are down.
Build a go bag
One per person, packed and easy to carry. Customise it for medication, documents and anything you cannot replace.
Register for alerts
The city runs a Mass Notification System. Registering is how warnings reach your own phone rather than reaching you from a neighbour.
Plan for access needs
If anyone in the household has a disability or functional need, work out in advance what staying independent during an evacuation actually requires: equipment, power, transport, medication.
Hurricane season, the honest version
Hurricane preparation in Baytown starts with your evacuation zone, alerts and a household plan. The storm may bring surge, wind or rain, and each one changes what matters most.
Know your zone before you need it
June first to November thirtieth, and in Baytown that isn't a date range, it's a mood. The real window is August through early October; the rest is watching the cone. Here's what people who've been through Alicia, Ike, Harvey and Beryl actually do.
The Houston-Galveston region orders evacuations by ZIP zone. When a storm threatens, the National Weather Service forecasts expected storm surge and wave action. Emergency managers use that forecast to order evacuations zone by zone.
Which zone you're in depends on your ZIP code, not your neighborhood name, and the regional map from the Houston-Galveston Area Council is the source. Look your ZIP up on that map. The county maps work the same way, and the Chambers County side follows its own county emergency office.
If you're not told to go, don't. The roads are for the people who are, and Rita in 2005 taught the whole region what an evacuation gridlock looks like.
Surge, wind, or rain — which storm is it
Every storm is a different problem here. Surge is the one that took Brownwood: water pushed up the bay into the low neighborhoods. Wind takes the power and the roofs on the east side. Rain is Harvey: the San Jacinto over its banks, Highlands and the river streets under water for days, and nothing to do with the coast. Know which one is coming and prepare for that one. Evacuation orders follow the surge forecast by ZIP zone, not the storm type.
The week before (when the cone shows up)
Fill the truck. Fill the prescriptions. Cash from the ATM while it works. Water and food for seven days — a gallon of water per person per day — that doesn't need a stove. That is ReadyHarris's guidance. Batteries, the phone charger that runs off the truck, the radio you forgot you had. Plan for animals and medications too: a carrier, a leash, their records, and a week of every prescription. Photograph every room for the insurance claim you hope not to file, and screenshot the policy numbers. Put the outdoor furniture and the trampoline somewhere they can't become a projectile. If you have a boat, it needs to be somewhere other than Bayland Marina at 2651 S Highway 146 by the time the ramp at Bayland Park closes. Freeze water in every container you own; it's ice later and it keeps the freezer cold longer.
Sandbags
There is no standing list of sandbag sites, and we won't pretend there is. When a storm threatens, the city and both counties announce sites through Baytown Alert, ReadyHarris and ChambersWARNS, the mass notification system run by Chambers County emergency management. Sign up for all three now, and the addresses reach you the hour they're announced. The usual pattern is a city facility on each side of town, a limit per household, and bring your own shovel.
Power
CenterPoint's Outage Tracker is the place to watch for outage status and estimated restoration times. CenterPoint says the tracker pulls new data every five minutes, but a restoration estimate changes only when the utility has new information. Treat the estimate as a working estimate, not a promise. A generator lives outside, twenty feet from any window, or it doesn't run. Carbon monoxide is the thing that hurts people after a storm. The garage with the door open is not outside. Ice: the grocery stores get a truck a day and it's gone by ten. The plants have their own power, and the hotels on Garth get theirs back first. That is why the extended-stays fill with locals after a storm as fast as with crews before a turnaround.
The bridge and the ferry
The Fred Hartman Bridge on 146 can close for sustained high wind, and the ferry can stop as conditions worsen. When the bridge is shut, Baytown's route south is gone. I-10 is the obvious westbound road out of town, but it is also everyone else's; do not turn that local habit into one universal evacuation route. Baytown and ReadyHarris both tell residents to know the ZIP-based evacuation zone and follow the route and instructions issued for that storm. If you are ordered out, leave early enough that a bridge closure or traffic jam does not make the decision for you. The county posts closures as they happen.
The first night without power is the one that tells you where you live.
The plants
They shut units down ahead of a storm, in order, and the flares run while they do it — bigger and brighter than usual, for hours. That is the procedure working: a flare is a valve, and a shutdown is what it is for. If the county needs you to do something, the sirens and the county alert are the signal. The "What was that?" page explains the difference. After the storm the units come back up the same way, over a week or so.
After
Turn around, don't drown: don't drive through water. Baytown's streets flood at the underpasses and you can't see the depth. Debris goes to the curb in the piles the city describes — vegetation separate from construction, appliances separate from both — and the schedule is on the trash page when it's set. Boil-water notices come from the city and end from the city; don't guess. Mosquitoes arrive a week after the rain and the county sprays; that's the truck at dusk. And check on the neighbor with the oxygen concentrator; that's who the outages hurt. The American Red Cross has a Baytown address at 5309 Decker Drive. Check with it and the county alerts for shelter and relief locations, which open only when a storm calls for them.
What the town knows that the checklist doesn't
Where you live shows on the first night without power. Somebody on the street has a generator and an extension cord and a freezer with room in it, and they'll come find you before you've thought to ask. The church lot fills with pallets of water by the second morning. The men unloading them are the same men who were on a unit at the plant the week before, because the plant sent them. A neighbor with a chainsaw does your oak before his own, because yours was on the road. Baytown has been through Alicia, Ike, Harvey and Beryl, and the thing it learned isn't on any county page: the town is the plan. Know your zone, fill the truck, and then knock on the doors on either side of you before the cone arrives, because that's who's coming through the water for you.
Questions people ask
- When is hurricane season in Texas? June 1 to November 30. The serious window for the upper Texas coast is August through early October.
- Is Baytown in an evacuation zone? Much of it is in the coastal zones, but the zone follows your ZIP code; look yours up on the regional map.
- Where do I get sandbags in Baytown? The city and both counties announce sites through their alert systems when a storm threatens; sign up now.
The storms that made the rules
- Alicia, August 1983 — the surge took the Brownwood subdivision. It's the Baytown Nature Center now, at 6213 Bayway Drive, and the nature center guide shows what it looks like by season.
- Rita, September 2005 — the evacuation that taught this region how badly roads can lock up when too many people leave at once. The lesson here is to follow the evacuation order for your zone rather than somebody else's plan.
- Ike, September 2008 — the surge and the wind. Weeks without power. The evacuation zones look the way they do because of it.
- Harvey, August 2017 — the rain. The National Weather Service gauge four miles east of Baytown recorded 42.72 inches, the San Jacinto went over its banks, and Highlands and the river neighborhoods flooded for days.
- Beryl, July 2024 — the reminder that a "small" storm can leave the east side dark for a week.
Before you go
- Look up your ZIP zone on the regional evacuation map in June, when nothing is coming, and write it on the fridge.
- Sign up for Baytown Alert, ReadyHarris and ChambersWARNS before a storm has a name.
- Keep seven days of food and a gallon of water per person per day, and put the phone chargers on the list.
- Move the generator outside before you start it, twenty feet from any window, never in the garage.
- If you're told to leave, go early and follow the official route for your zone; do not count on the Fred Hartman Bridge staying open in high wind.
Do the box in June, on a Saturday when nothing is coming. Then go to Bayland and watch the boats; the season is long, and the town has been through it before.
Baytown also keeps a Hazard Mitigation Plan, updated in 2025 with FEMA's approval, that looks at storms and other hazards over the long term. See the plan and how to ask about raising a home.
The city's emergency management office also has advice for children (what every child should know) and for pets (a seven-day supply, medicines, ID and a plan to take them with you). See getting kids and pets ready for a storm.
En español
Temporada de huracanes en Baytown, sin adornos
Prepararse para un huracán en Baytown empieza con tres cosas: su zona de evacuación, las alertas y un plan para su hogar. La tormenta puede traer marejada ciclónica, viento o lluvia, y cada una cambia lo que más importa.
Conozca su zona antes de necesitarla
La temporada va del 1 de junio al 30 de noviembre, pero la ventana real es de agosto a principios de octubre. La región de Houston y Galveston ordena las evacuaciones por zonas de código postal. Cuando amenaza una tormenta, el Servicio Meteorológico Nacional pronostica la marejada y el oleaje, y las autoridades de emergencia usan ese pronóstico para ordenar la evacuación zona por zona. Su zona depende de su código postal, no del nombre de su colonia; búsquelo en el mapa regional del Consejo de Gobiernos del Área de Houston-Galveston (H-GAC). Si no le ordenan salir, no salga: las carreteras son para quienes sí deben hacerlo, y Rita en 2005 enseñó a toda la región lo que es un embotellamiento de evacuación.
Marejada, viento o lluvia
Cada tormenta es un problema distinto. La marejada fue lo que se llevó Brownwood: el agua empujada bahía arriba hacia los barrios bajos. El viento se lleva la luz y los techos del lado este. La lluvia fue Harvey: el río San Jacinto se salió de su cauce y Highlands y las calles del río quedaron bajo el agua por días, sin relación con la costa. Sepa cuál viene y prepárese para esa.
La semana antes
Llene el tanque del carro y las recetas médicas. Saque efectivo del cajero mientras funcione. Tenga agua y comida para siete días que no necesiten estufa, con un galón de agua por persona por día, como recomienda ReadyHarris. Tenga pilas, un cargador que funcione con el carro y un radio. Piense también en sus animales y medicinas: transportadora, correa, sus papeles y una semana de cada receta. Fotografíe cada cuarto para un posible reclamo al seguro y tome capturas de los números de póliza. Guarde los muebles de patio y el trampolín. Si tiene lancha, sáquela de Bayland Marina antes de que cierre la rampa de Bayland Park. Congele agua en todos los recipientes que tenga; después será hielo y mantendrá el congelador frío por más tiempo.
Sacos de arena
No hay una lista fija de lugares, y no vamos a fingir que la hay. Cuando una tormenta amenaza, la ciudad y los dos condados anuncian los sitios por medio de Baytown Alert, ReadyHarris y ChambersWARNS, el sistema de notificación masiva de manejo de emergencias del condado de Chambers. Inscríbase en los tres desde ahora. Normalmente hay un local municipal a cada lado de la ciudad, un límite por hogar, y usted trae su propia pala.
La luz
El Outage Tracker de CenterPoint es el lugar para ver el estado de los apagones y las horas estimadas de restauración. Trátelas como estimaciones de trabajo, no como promesas. Un generador va afuera, a seis metros (veinte pies) de cualquier ventana, o no se enciende. El monóxido de carbono es lo que más daña a la gente después de una tormenta, y una cochera con la puerta abierta no es "afuera". El hielo se acaba temprano. Las plantas tienen su propia energía, y los hoteles de Garth recuperan la luz primero, por eso las estancias extendidas se llenan de vecinos después de una tormenta.
El puente y el ferry
El puente Fred Hartman, en la 146, puede cerrar por viento sostenido, y el ferry puede detenerse al empeorar las condiciones. Si el puente cierra, Baytown pierde su salida al sur. La I-10 hacia el oeste es la salida obvia, pero también es la de todos los demás; siga la ruta y las instrucciones que se emitan para esa tormenta. Si le ordenan salir, hágalo con tiempo para que un cierre o un embotellamiento no decida por usted. El condado publica los cierres conforme ocurren.
Las plantas
Apagan unidades antes de una tormenta, en orden, y las antorchas se ven más grandes y brillantes por horas. Eso es el procedimiento funcionando. Si el condado necesita que usted haga algo, la señal son las sirenas y la alerta del condado. Después de la tormenta, las unidades se vuelven a encender de la misma manera, en una semana más o menos.
Después
Gire y no se ahogue: no maneje por agua, porque las calles de Baytown se inundan en los pasos a desnivel y no se ve la profundidad. Los escombros van a la banqueta en pilas separadas: vegetación aparte de construcción, y aparatos aparte de ambos. Los avisos de hervir el agua los emite y los levanta la ciudad; no adivine. Los mosquitos llegan una semana después de la lluvia y el condado fumiga. Y revise a su vecino que usa un concentrador de oxígeno, porque a él lo dañan más los apagones. La Cruz Roja Americana tiene oficina en 5309 Decker Drive; consulte con ella y con las alertas del condado dónde abren los refugios, que solo abren cuando una tormenta lo exige.
Lo que el pueblo sabe y la lista no dice
La primera noche sin luz le dice dónde vive. Alguien en su calle tiene un generador, una extensión y un congelador con espacio, y vendrá a buscarlo antes de que usted pida ayuda. El estacionamiento de la iglesia se llena de paletas de agua la segunda mañana. Un vecino con motosierra corta el roble de usted antes que el suyo. Baytown ha vivido Alicia, Ike, Harvey y Beryl, y lo que aprendió no está en ninguna página del condado: el pueblo es el plan. Conozca su zona, llene el tanque y toque las puertas de los vecinos antes de que llegue el cono.
Las tormentas que hicieron las reglas
- Alicia, agosto de 1983: la marejada se llevó la subdivisión Brownwood, hoy el Baytown Nature Center.
- Rita, septiembre de 2005: la evacuación que mostró lo mal que se traban las carreteras cuando sale demasiada gente a la vez.
- Ike, septiembre de 2008: marejada y viento, con semanas sin luz.
- Harvey, agosto de 2017: la lluvia; el medidor del Servicio Meteorológico Nacional, a cuatro millas al este de Baytown, registró 42.72 pulgadas.
- Beryl, julio de 2024: la prueba de que una tormenta "pequeña" puede dejar el lado este sin luz una semana.
Antes de ir
- Busque su zona por código postal en el mapa regional en junio, cuando no viene nada, y anótela en el refrigerador.
- Inscríbase en Baytown Alert, ReadyHarris y ChambersWARNS antes de que la tormenta tenga nombre.
- Tenga siete días de comida y un galón de agua por persona por día.
- Saque el generador antes de encenderlo, a seis metros de las ventanas, nunca en la cochera.
- Si le ordenan salir, hágalo temprano y por la ruta oficial de su zona.
Baytown también tiene un Plan de Mitigación de Riesgos, actualizado en 2025 con la aprobación de FEMA, que mira las tormentas y otros peligros a largo plazo. Vea el plan y cómo preguntar por elevar una casa.
La oficina de manejo de emergencias de la ciudad también tiene consejos para los niños (lo que todo niño debe saber) y para las mascotas (suministros para siete días, medicinas, identificación y un plan para llevarlas con usted). Vea cómo preparar a niños y mascotas para una tormenta.
Climate and flood risk
- Climate normals
- Subject
- Baytown, Texas 1991-2020 monthly climate normals
- Station
- BAYTOWN, TX US (GHCN/COOP USC00410586)
- Station location
- Latitude
- 29.9142 N
- Longitude
- 94.9908 W
- Elevation ft
- 26
- Period
- 1991-2020
- Units
- Temperature
- degrees Fahrenheit
- Rainfall
- inches
- Monthly
- Month
- January
- Average high f
- 62.9
- Average low f
- 41.4
- Rainfall in
- 4.85
- Month
- February
- Average high f
- 66.4
- Average low f
- 45.3
- Rainfall in
- 3.78
- Month
- March
- Average high f
- 72.1
- Average low f
- 52
- Rainfall in
- 3.94
- Month
- April
- Average high f
- 77.5
- Average low f
- 58.5
- Rainfall in
- 4.51
- Month
- May
- Average high f
- 84.2
- Average low f
- 66.7
- Rainfall in
- 6.01
- Month
- June
- Average high f
- 89.2
- Average low f
- 72.7
- Rainfall in
- 7.08
- Month
- July
- Average high f
- 91.5
- Average low f
- 74.6
- Rainfall in
- 5.49
- Month
- August
- Average high f
- 92.3
- Average low f
- 74.3
- Rainfall in
- 6.82
- Month
- September
- Average high f
- 88.5
- Average low f
- 69
- Rainfall in
- 6.41
- Month
- October
- Average high f
- 81.6
- Average low f
- 59.6
- Rainfall in
- 6.13
- Month
- November
- Average high f
- 71.4
- Average low f
- 50.1
- Rainfall in
- 4.94
- Month
- December
- Average high f
- 64.5
- Average low f
- 43.6
- Rainfall in
- 4.77
- Annual rainfall in computed from monthly values
- 64.73
source: ncei.noaa.gov/access/services/data/v1?dataset=normals-monthly-1991-202
- Tropical history
- Storm
- Hurricane Alicia
- Dates
- August 15-21, 1983; Baytown impacts documented August 17-18
- Baytown impacts
- NWS reports a 71 mph sustained wind and 100 mph gust at Baytown (Exxon) at 4:00 a.m. CDT on August 18. NWS high-water-mark data lists 10.6 ft MSL at Baytown; the associated engineering report says Highway 146 high-water marks indicated about +10 ft NGVD and water rose 3-4 ft above normal by the morning of August 17 and remained several feet elevated for at least three days.
- Storm
- Hurricane Ike
- Dates
- September 13, 2008 landfall and primary Baytown-area impacts
- Baytown impacts
- NWS Houston/Galveston reports landfall near Galveston at 2:10 a.m. CDT as a Category 2 hurricane with 110 mph maximum sustained winds and a destructive upper-Texas-coast storm surge. The NWS regional storm summary lists 4.0 inches of rain at Baytown, and reports widespread fresh-water flooding and major storm-surge damage across the area.
- Storm
- Hurricane Harvey
- Dates
- August 25-30, 2017; Baytown flooding documented during the event
- Baytown impacts
- NWS reports Harvey made Texas landfall near Port Aransas around 10:00 p.m. August 25, then produced repeated heavy rain bands and catastrophic drainage and river flooding through August 30. The NWS August 2017 storm-data summary specifically reports extensive flooding in the Milam Bend subdivision in Baytown along Cedar Bayou, with roads and homes inundated in the wider region.
- Storm
- Hurricane Beryl
- Dates
- July 8, 2024
- Baytown impacts
- NWS Houston/Galveston reports Beryl made landfall near Matagorda at 4:00 a.m. July 8 as a Category 1 hurricane with 80 mph peak over-water sustained winds and crossed Southeast Texas that day. Baytown-area observations include 6.40 inches at 2.4 miles northwest of Baytown and 6.80 inches at 3.5 miles east of Baytown; a Cedar Bayou-at-SH 99 station in Chambers County reported a 63 mph gust.
source: weather.gov/hgx/beryl2024
- Fema flood map links by zip
- Zip
- 77520
- Zip
- 77521
- Zip
- 77523
- Zip
- 77530
- Zip
- 77532
- Zip
- 77535
- One percent annual chance floodplain
- Definition
- The 100-year floodplain is the 1 percent annual-chance floodplain, also called the Special Flood Hazard Area on a FEMA Flood Insurance Rate Map (FIRM). It is not a guarantee that flooding occurs only once per 100 years.
- Official map links
- Use
- Use FEMA's address search/NFHL for the regulatory effective flood zone and FIRM panel. Harris County Flood Control District's glossary defines the 1 percent floodplain and directs users to FEMA FIRMs; its real-time gage map is not a substitute for a FEMA regulatory map.
source: harriscountyfws.org/glossary
Sandbags
There is no standing sandbag distribution list. As of the date below, neither the City of Baytown, Harris County nor Chambers County lists permanent public sandbag sites or rules on an official page. When a storm is coming, sites are announced here:
- City of Baytown OEMWarnings & Alerts
- City of BaytownBaytown Alert (Smart911 / mass notification)
- Harris County (HCOHSEM / ReadyHarris)ReadyHarris
- Chambers County OEM / Public HealthChambersWARNS
Channels checked. No dated official sandbag-site announcement was found for any recent storm, so there is no example to show.
Who to contact
In an emergency, call 911. For non-emergency city matters:
- Public Works & Engineering (bins, streets, water leaks)Contact Public Works and Engineering
- Utility Services (water billing)Contact Utility Services
- Animal ServicesContact Animal Services
Summarised from the City of Baytown'sEmergency Preparednesspage, where the full Disaster Preparedness Guide is available as a PDF in English and Spanish. During an actual storm, follow the city and Harris County emergency management directly — not this page.