McAlpine Creek below Sardis Road

The past week

What floods at each level

• 22 ft

  AT THIS STAGE THE ROADWAY WILL BEGIN TO FLOOD.

• 18 ft

  PARTS OF OLD BELL RD MAY FLOOD.

• 15 ft

  RIVER WILL BE OUT OF BANKS AND WILL FLOOD ONE ROAD LABELED MCALPINE CREEK GREENWAY SOUTH.

• 14 ft

  PARTS OF HOLLY LANE MAY BECOME FLOODED.

• 12 ft

  12 FT HERE AND 6.5 OR HIGHER AT ISNN7 HAS CAUSED FLOODING IN PAST. FLOODING OF 2 ROADS SAM NEWELL RD NEAR INDEPENDENCE POINTE PKWY AND TANK TOWN ROAD WILL BE POSSIBLE CALL IF RAINFALL WAS 2 + INCHES.

• 11.5 ft

  CREST OF 11.5 HERE WILL CAUSE A CREST AT MCCN7 OF 13.5 FT.

• 9 ft

  CREST OF 9 FT HERE WILL CAUSE A CREST OF 12.14 FT AT MCCN7

• 2 ft

  2.0 OR MORE IN ONE TO 3 HRS WILL LIKELY CAUSE CREEK TO RISE TO 11 FT. ISNN7 MAY RISE TO ARD 7 FT. 2 ROADS WILL LIKELY FLOOD...SAM NEWELL ROAD SOUTHWEST OF INDEPENDENCE POINTE PKWY AND TANK TOWN ROAD...BUTTHESE ROADS ARE WITHIN A DIFFERENT TRIBUTARY OF IRVINS CREEK...NOT THE GAGED MAINSTEM.

• 1.8 ft

  1.8 IN 1.5 HOUR IN DROUGHT CAUSE A 5.5 FT RISE OR 6 FT RISE IN WET. SSHP DID OK IF YOU USE 1.00 THRESHHOLD RUNOFF VALUE.

• 1.2 ft

  A BASIN RAIN OF 1.20 WILL CAUSE A 8 FT RISE

• 1 ft

  0.70 TO 1.0 IN 2 HRS ON WET GRD BASIN WIDE CAUSED A 7 FT RISE.

Highest crests on record

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