Non-Tropical Cyclone Heavy Rain Events

 


The radar loop above is from the August 2016 heavy rain event, provided by NWS Slidell, LA. This set of pages remains in flux, with new information added from time to time. Data is available for some notable, impactful heavy rain events that affected the United States

 

Event

Amount

Location

Potential T.C. Eight (Sep. 2024)

20.81

Carolina Beach/Ocean Blvd., NC

Midwest Heavy Rain (Jul.-Aug. 2022)

8.07

Fenton 4.1 S, MO

Midwest to KY Heavy Rain (Jul. 2022)

14.87

St. Peters 2.2 NE, MO

Middle TN Heavy Rains (Aug. 2021)

20.73

McEwen, TN

South TX Convective Low (Jul. 2021)

20.95

Rockport 3 NNW, TX

Potential T.C. Ten (Aug. 2017)

18.86

Sarasota/Bradenton, FL

Gulf Coast Convective Low (Aug. 2016)

31.39

Watson 1.1 S, LA

Lower Mississippi Valley Heavy Rain (Mac. 2016)

26.96

Monroe 3.2 SSE, LA

Convective extratropical storm (ex-Patricia) (Oct. 2015)

23.83

Powell 1 SW, TX

Early October Nor'Easter (Oct. 2015)

27.19

Mount Pleasant, SC

Florida Gale (Mid-Oct. 2011)

21.46

Big Coppitt Key 0.2 NW, FL

Florida Gale (Early Oct. 2011)

17.65

Vero Beach 4.8W, FL

Western Gulf Coast Heavy Rain (Late Oct. 2006)

15.06

Moss Bluff 3 NNW, LA

Western Gulf Coast Heavy Rain (Mid-Oct. 2006)

17.37

Kisatchie Nat'l Forest, LA

Mid-Atlantic States Heavy Rain (Jun. 2006)

16.67

Tamaqua/Little Schuykill River, PA

NC Gale (Aug.-Sep. 2000)

6.81

Cartersville, GA

Hybrid Cyclone (Sep.-Oct. 1994)

11.24

Hilton Head, SC

FL Nor'Easter (Nov. 1984)

11.29

West Palm Beach Int'l AP, FL

Hybrid Low (Sep. 1979)

27.24

Freeport 2 NW, TX

New England Flood Event (Nov. 1927)

8.66

Northfield, VT

For questions, comments, suggestions, e-mail David.Roth@noaa.gov

Last updated: October 9, 2025