![]() ![]() While runners should increase their fluid intake as the WBGT rises, be careful to avoid excessive water intake and the possibility of overhydration, or hyponatremia, which is the dilution of electrolytes in the blood stream to a dangerous level. Supplemental salt will help prevent cramps. Additionally, salt (in the form of pretzels) will be available on the course. With rising WBGT, runners should increase their planned intake of fluids. Hydration and misting stations do not prevent heat stress if your pace is not adjusted. It is strongly recommended that all runners slow their pace and reduce their risk of heat stress when conditions warrant. With fluid loss comes the risk of various heat injuries: heat cramps, heat exhaustion and heat stroke. Observe course changes, follow OKC Memorial Marathon Official’s Instructions/consider stoppingĪs the WBGT rises, so does sweating and fluid loss. The flag system is as follows:įollow OKC Memorial Marathon Official’s Instructions The flag color will indicate the safety conditions at that moment based on the WBGT readings and will change within 15 minutes of a change in the heat stress level. The result of the WBGT will be indicated on a flag system that will be suspended from a banner at the start and finish areas as well as at the 12 medical tents along the race course. WBGT was developed because the dry-bulb temperature alone does not provide a realistic guide to the effects of heat, as it does not take humidity and heat radiation into consideration. WBGT is considered “the most practical heat stress index characterizing the effect of a heat stress environment on the individual.” High heat and humidity, as measured in accordance with the American College of Sports Medicine’s recommendations for endurance events, could result in cancellation of the event. ![]() The Oklahoma City Memorial Marathon uses the WBGT (wet-bulb globe temperature) index as its standard. We believe this will offer our runners a unique service that redefines how we look at the weather forecast on Race Day. Since we have experienced one form of weather on one part of the course and sun at another mile marker, this will allow us to communicate the weather along the course as it’s happening. We will diligently monitor and relay necessary updates directly to your phone. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.The Memorial Marathon has contracted with Perry Weather Consultants to monitor our localized venue, at a street-level resolution, for all types of severe weather and any associated risks relating to: Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Take precautions - Protection against sun damage is advised. Note: The daily maximum UV index of 3 in January interpret into the following advice: A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals. UV indexIn Oklahoma City, the average daily maximum UV index in January is 3. SunshineIn Oklahoma City, the average sunshine in January is 6.2h. On the last day of the month, sunrise is at 7:30 am and sunset at 5:56 pm CST. On the first day of January in Oklahoma City, Oklahoma, sunrise is at 7:39 am and sunset at 5:28 pm. DaylightThe average length of the day in January is 10h and 5min. In Oklahoma City, Oklahoma, during the entire year, snow falls for 8.1 days and aggregates up to 3.54" (90mm) of snow. In Oklahoma City, Oklahoma, during January, snow falls for 1.7 days and regularly aggregates up to 1.18" (30mm) of snow. SnowfallJanuary through April, November and December are months with snowfall. Throughout the year, in Oklahoma City, there are 121 rainfall days, and 24.96" (634mm) of precipitation is accumulated. Throughout January, 1.02" (26mm) of precipitation is accumulated. Rainfall In January, in Oklahoma City, the rain falls for 4.5 days. HumidityIn January, the average relative humidity in Oklahoma City is 62%. TemperatureThe coldest month is January, with an average high-temperature of 48.6☏ (9.2☌) and an average low-temperature of 31.6☏ (-0.2☌). January, the same as December, in Oklahoma City, Oklahoma, is a frosty winter month, with an average temperature fluctuating between 48.6☏ (9.2☌) and 31.6☏ (-0.2☌). ![]()
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