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"" 82" "" 78" 76" 36" 34" EXPLANATION PRECIPITATION IN INCHES .0 . 4.01 to 5.0 . 0.01 to 1.0 . 5.01 to 6.0 . 1.01 to 2..0 . 6.01 to 7.0 . 2.01 to 3.0 .>7.0 . 3.01 to 4.0 25 50 75 l00MILES 25 SO 75 100 KILOMETERS Figure 3. Rainfall in North Carolina, September 4-5, 1999, during the passage of Hurricane Dennis and locations of selected raingages in eastern North Carolina, (Rainfall map from the State Climate Office of North Carolina, 1999c.) ,," 82" 00" 78" 76" 36" 34" EXPLANATION PRECIPITATION IN INCHES .0 .10,011012,0 . 0.01 to 2.0 . 12.01 to 14.0 . 2.01 to 4.0 . 14.01 to 16.0 . 4.01 to 6.0 . 16.01 to 18.0 . 6.01 to 8.0 . 18.01 to 20.0 . 8.01 to 10.0 25 50 75 100 MilES 25 50 75 100 KILOMETERS Figure 4. Rainfall in North Carolina, September 14-16,1999, prior to and during the passage of Hurricane Floyd, (Rainfall map from the State Climate Office of North Carolina, 1999d,) have not been established for most locations in the United States. The greatest conseeutive 12-hour rainfall at Kinston during Hurricane Floyd was approximately equal to the lOO-year rain event, but the greatest 12-hour rainfall at Rocky Mount exeeeded the lOO-year rainfall (table 2). At both Kinston and Rocky Mount, the greatest 24-hour rainfall during Hurricane Floyd far exeeeded the I OO-year rainfall (table 2); at Rocky Mount, the measured Table 2. Maximum observed 12-hour and 24-hour rainfall, in inches, at Rocky Mount and Kinston, N,C., during Hurricane Floyd, September 15-16, 1999, and 100-year rainfall statistics for eastern North Carolina RainrlllJ.in inchf'!j LocatioD Mat.irnum Malimum (fig. 3) 12~hl)lIl'" 1I100-lear. 24-hour aUlD_year, (obsened) 12-bour (obserwd) 24-bollr Rocky Mount 10,38 7-8 14,73 8-9 KinsloR 7.90 7-8 12,54 R 8-9 aStatistics from Hershfield (196 t). Two Months of Flooding in Easrern Nonh Carolina. September-October 1999