Upper air winds (more than 1500 meters above mean sea level) are usually southwest The South Carolina State Climatology Office website informs the citizens of South Carolina about weather and climatology issues. Purvis, John C.,W. 0000100247 00000 n Another death occurred in Spartanburg The annual number of days of precipitation greater than or equal Map 1 96; Series M, General Hydrographic Investigations, 11; United States Geological Survey, Department of the Interior. South Carolina Department of Natural Resources Water Resources Division (Formerly South Carolina Water Resources Commission), Columbia, South Carolina, 1990. The Flood of 1903:Terror Along the Pacolet River : Average precipitation in inch - Days precip. surrounding areas. 0000160277 00000 n Tornadoes in the United States are observed in every state. Piedmont and Midlands counties. Hail occurs infrequently, falling most often during spring thunderstorms from March through May. Barnes, Spartanburg, 1904, pp. The tornadoes damaged homes and buildings in a very narrow band running north from Bamberg County through Lancaster and York Counties. cloud cover, thereby reducing the probability of substantial precipitation. Historically, droughts have had severe adverse impacts on the people and economy of South Carolina. One tornado hit Lexington's central business district. ?n�N� �F�)Т��׊ �$�D��G�0 0000027319 00000 n The winds in stagnant air are of the pre-dominant continental high pressure pattern known as a "wedge". j�;���Bt�(� %�b Sidlow. This circulation fosters northeast winds as 0000012181 00000 n minima occur during May and November. 0000154590 00000 n Monthly Climatic Data for South Carolina - 1971-2000 (pdf), South Carolina Maximum and Minimum Temperature Extremes, South Carolina Freeze/Frost Occurrence Dates (pdf), Table of South Carolina Monthly and Annual Precipitation Extremes 1890-2018, Table of South Carolina Maximum 24-Hour Precipitation 1890-2018. In the eastern and southern portions of the Piedmont, the average annual rainfall ranges from 45 to 50 inches. The heaviest damage in South Carolina was from Pawleys Island northward. 24 inches at Rimini in February 1973. The largest annual evaporation, more than 65 inches, is found in the Lowcountry. inconsequential, and generally evaporates within 24-hours after falling. precipitation in Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ... © US Climate Data 2020 | version 3.0 | by Your Weather Service |, Average precipitation in : Av. Typically, snowfall occurs when a mid-latitude cyclone moves northeastward month averages less than two inches of precipitation anywhere in South These tornadoes caused 15 deaths, 448 injuries, and damage of over $100 million. Climate Report G-18: Hurricane Risk Hilton Head, South Carolina. 0000115035 00000 n In northwestern South Carolina, winter precipitation is greater than The annual number of days of precipitation greater than storm resulted in two deaths, one on the 13th, and one on the 15th. Many late season tornadoes are triggered by decaying tropical storms that make landfall in or near South Carolina. 0000219837 00000 n and are characterized by wind speeds exceeding 64 knots (74 miles per hour) Gay. Sumter County experienced the worst damage. mass known as the Bermuda high. 0000033657 00000 n In winter, temperatures generally average 5 to 7 C (40 to 45 F) in inland areas National Climatic Data Center, Asheville, North Carolina, 1993. irrigated acres, as compared to 26% nationwide. The state's annual average temperature varies from the mid-50's in the Mountains to Reporting locations recorded two to four times the normal amount of 0000140293 00000 n Also, cases of ice accumulation from freezing rain took place February 1969 in several of control can be effected on the large rivers which have dams. 0000004316 00000 n The periods of maximum frequency were the 2d, 5th, 6th, 0000048242 00000 n The 47 tornadoes caused widespread damage in the Low Country, Midlands and Pee Dee. Siple, F.L. Wallace, published by W.F. Purvis, John C.,W. Sidlow, D.J. The average tornado track is three to four miles long and 110 yards wide. 0000082519 00000 n : Days with precipitation - Hours sun. Research Paper #040192, Southeast Regional Climate Center, Columbia, South Carolina, 1992. One tornado remained on the ground from Anderson County to York County; the other, which as been named "The Horrell Hill Tornado", was the more destructive of the two. As the air comes inland, it rises and forms During December 1989 Charleston experienced x�b``pe``ga```�0�01�TQW(f`�c�g��v�w�چ����f&��h|qT����盻�����{à����@�A�!�I�a ��� "1弞��O�%�+8%�_���U�1�r�@(��w�w�y�f�L��] � ��7�#��ו��@�[��^`N@u0�Q �� ��3� year occurred in the Central Savannah River area. South Carolina has a humid, sub-tropical climate, with long, hot summers and short, mild winters. winter months from November to March, although snow has occurred as late as May : Hours of sunshine, Hi : Average high in ºF - Lo : Average low in ºF - Pre. Their affects range from high winds and tides along the beaches to rain and 0000000016 00000 n 0000082484 00000 n pan evaporation. occasional snowfall Upstate. Smithsonian Institution Press, Washington, District of Columbia, 1984. 0000100431 00000 n Periods of dry weather have occurred in each decade since 1818 (National Water Summary 1988-1989 Hydrologic Sidlow. caused 4 deaths in Kershaw County, when a dam burst sending water across a trailer United States Department of Commerce. A certain amount in 24 hours, at Conway on the 26th, 2.83 inches in 14 hours, at Although hail can occur in every month during the year, May has the highest incidence with an average of more than 5 events per year.

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