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2013-8 Remembrances Special Edition1 City of Schertz Remembrance Special Edition 2013-8 Presented by: Schertz Historical Preservation Committee Schertz Weather History Dotted with Surprises Weather related disasters have captured the headlines as of late. The reporting reminds Schertz citizens just how lucky we are to be where we are in terms of weather conditions. Typically, south Texas’ semi-arid climate offers cool but comfortable winters, mild spring and fall temperatures, and hot and often humid summers. However, from time to time the area is subject to weather exceptions in the form of flooding, high winds and even a very occasional snow fall. Below is a short historical review of weather related events that have delivered occasional destruction and/or amazement upon the Schertz citizenry. FLOODING: Geography plays an important part in the developing our occasional springtime wet weather patterns. The Balcones Escarpment Divide runs northeasterly from the Rio Grand Valley to approximately Temple, Texas and varies in height from 100 to 500 feet along its route. The fact that those areas along the Divide (including Schertz) are situated on the gently slopping Costal Plains and immediately south of the Balcones Escarpment Divide presents an ideal circumstance for the warm southerly moisture-laden air from the Gulf of Mexico to be pushed abruptly upward to higher altitudes as it encounters the Divide. If the Gulf air is nearly saturated at lower elevations, rainstorms lasting hours or days may occur along the Escarpment areas because of orographic (having to do with mountainous geography) cooling of the air mass. Intense rain storms over small watersheds throughout the region have produced numerous flooding events of a magnitude that have exacted heavy tolls on residents within the areas. The usually dry creek beds in the adjoining communities and that of Cibolo Creek quickly fill with rushing water as rains continue falling. The most memorable area flooding event in recent history was the record breaking flooding of 1998 . The National Weather Service (NWS) New Braunfels estimated that up to thirty inches of rain fell in the San Antonio area in a matter of two days (October 17 &18). Those floods were directly linked to the deaths of 32 people and caused roughly $500 million in property damage.1 Approximately thirteen percent of Guadalupe County areas are designated as Special Flood Hazard Areas (SFHA).2 Among those areas are properties along the Cibolo Creek that flows north to south Flood Zones – Schertz & along the Schertz city western boundary with Bexar County. Surrounding areas 1 San Antonio Express News, “ Rainy, deadly day in the City”, Sunday, May 26, 2013, p. A3 2 Service Assessment, South Texas Floods Oct. 17-22, 1998, U.S. Dept. of Commerce, National Oceanic Admin., National Weather Service, Silver Springs, MD. 2 The recorded history of flooding in the area (including Schertz) goes back as far as the 1932. Besides that year, flooding occurred in the 1935, 1952, 1972, 1973, 1998, 2002, 2004 and most recently May 25, 2013. Building damage along the Cibolo Creek accompanied several of these flooding events. Three deaths (two in San Antonio and one in Schertz) were recorded in the May 2013 flood. Aquifer replenishment is the obvious benefactor of area flood level rains. City of Schertz Flood 1998 –Low Water Crossing SNOWFALL Moisture in the form of rain is an expected and hoped for commodity here in Schertz. However, when that moisture appears in the form of snow it is a great surprise to everyone. Yes, for the information of newcomers to the area, it does snow in Schertz, Texas. Just ask the residents who lived her in February of 1985 when the city was hit with a snow blizzard that by some accounts created snow drifts as high as sixteen inches in particular spots. It may be hard to believe but just examine the pictures below that document the event. Snowfall – City Park Area, Schertz, Texas 1985