| This includes flash flood, flood, heavy rain, and debris flow official Storm Data records in the affected region on that day (12Z-12Z). Events counted if in/near contiguous risk area with High Risk. | |||||||||
| (Begin) | Initial Issuance | Damages ($M) | |||||||
| Year | Month | Date | Day | Time (Z) | States Affected | Fatalities | Injuries | Property | Crop |
| 18Z and 06Z outlooks were valid for 30 hours, 03Z and 15Z for 21 hours (updates). High Risk was not counted for the next day if risk was eliminated on 15Z outlook. Only counted a Day 1 ERO Risk if it was issued at 06Z (6h prior to time window; "inital") or on the 15Z, 18Z and 03Z outlooks in the time window. 06Z not counted for the 12-12Z period it was technically issued in. | |||||||||
| 2010 | 1 | 21 | 1 | Initial | AZ | 0 | 1 | 27.59 | 0 |
| 2010 | 3 | 12 | 1 | Initial | WV, VA, MD, PA, DC, DE | 2 | 0 | 9.995 | 0.005 |
| 2010 | 3 | 13 | 1 | Initial | MD, VA, WV, PA, NJ, NY, CT, RI | 0 | 0 | 138.095 | 0 |
| 2010 | 3 | 29 | 1 | Update | NJ, NY, CT | 0 | 2 | 147.15 | 0 |
| 2010 | 3 | 30 | 1 | Initial | NY, CT, RI | 0 | 2 | 6.85 | 0 |
| 2010 | 4 | 16 | 1 | Update | OK, TX | 0 | 0 | 0.477 | 0 |
| 2010 | 5 | 1 | 1 | Update | AR, MS, AL, TN, KY | 18 | 0 | 2096.131 | 0.085 |
| 2010 | 5 | 2 | 1 | Initial | MS, AL, TN, KY | 8 | 2 | 74.6228 | 0.185 |
| 2010 | 6 | 10 | 1 | Update | TX | 20 | 25 | 11.203 | 0 |
| 2010 | 6 | 14 | 1 | Update | OK | 1 | 136 | 6.725 | 0.0025 |
| 2010 | 6 | 20 | 1 | Update | NE, IA | 0 | 0 | 1.107 | 0 |
| 2010 | 7 | 5 | 1 | Initial | TX, OK, KS, MO | 0 | 0 | 0.89 | 0.01 |
| 2010 | 7 | 23 | 1 | Update | IA, IL, WI | 0 | 0 | 314.8475 | 1.08 |
| 2010 | 8 | 18 | 1 | Update | LA, MS, TN | 0 | 4 | 92.783 | 3.808 |
| 2010 | 9 | 8 | 1 | Update | TX, OK, AR, MO | 3 | 0 | 24.48 | 0 |
| 2010 | 9 | 30 | 1 | Update | ME, NH, VT, MA, CT, NY, NJ, PA, DE, MD, WV, DC, VA, NC | 2 | 0 | 14.616 | 67.6 |
| 2010 | 12 | 19 | 1 | Update | CA | 1 | 0 | 139.816 | 0 |
| 2010 | 12 | 20 | 1 | Initial | CA | 0 | 0 | 0.0665 | 0 |
| 2010 | 12 | 21 | 1 | Initial | CA | 0 | 0 | 12.505 | 0 |
| 2010 | 12 | 22 | 1 | Initial | CA | 1 | 0 | 14.581 | 0 |
| 2011 | 3 | 9 | 1 | Initial | LA, MS, AL, TN, GA, NC, SC, VA, WV | 0 | 0 | 0.32 | 0 |
| 2011 | 3 | 10 | 1 | Initial | PA, NJ, NY | 1 | 0 | 2.173 | 0 |
| 2011 | 4 | 23 | 1 | Update | OK, AR, MO, IL | 1 | 0 | 0.427 | 0.005 |
| 2011 | 4 | 24 | 1 | Initial | OK, KS, MO, AR, IL, KY, IN | 0 | 0 | 20.592 | 0 |
| 2011 | 4 | 25 | 1 | Initial | AR, TN, MO, KY, IL, IN | 7 | 0 | 45.34 | 0.625 |
| 2011 | 4 | 26 | 1 | Initial | AR, MS, AL, TN, MO, IL, KY, IN | 3 | 0 | 2.9855 | 0.4355 |
| 2011 | 4 | 27 | 2 | Update | AR, MS, AL, TN, KY | 1 | 7 | 17.556 | 0.101 |
| 2011 | 4 | 30 | 1 | Update | TX, AR, MO, TN, KY, IL | 6 | 1 | 3221.957 | 110.71 |
| 2011 | 5 | 1 | 1 | Initial | TX, OK, AR, MO, TN, KY, IL | 0 | 0 | 21.008 | 0.285 |
| 2011 | 5 | 2 | 1 | Initial | AR, TN, MO, KY, IL, IN | 0 | 0 | 220.085 | 50.181 |
| 2011 | 5 | 17 | 1 | Update | VA, WV | 0 | 0 | 0 | 0 |
| 2011 | 6 | 14 | 1 | Update | IA, IL | 0 | 0 | 1.622 | 0.235 |
| 2011 | 6 | 17 | 1 | Update | MO, IL | 0 | 0 | 153 | 10 |
| 2011 | 7 | 28 | 1 | Update | IA, IL, WI | 0 | 0 | 0.25 | 0 |
| 2011 | 8 | 27 | 1 | Initial | NC, VA, MD, DC, DE, PA, NJ, NY, CT, MA, VT, NH | 3 | 0 | 42.35 | 0 |
| 2011 | 8 | 28 | 2 | Update | NJ, PA, NY, CT, MA, VT, NH, ME | 19 | 1 | 2189.015 | 26.45 |
| 2011 | 9 | 5 | 1 | Initial | MS, AL, GA, TN, SC, NC, KY, WV, VA, MD | 0 | 1 | 0.815 | 0 |
| 2011 | 9 | 6 | 1 | Initial | NY, NJ, PA, MD, WV, VA | 0 | 0 | 3.328 | 0.055 |
| 2011 | 9 | 7 | 1 | Initial | NY, NJ, PA, MD, DE | 11 | 0 | 1361.487 | 0.7 |
| 2011 | 9 | 8 | 1 | Initial | NY, PA, NJ, MD, DC, VA | 4 | 1 | 0.18 | 0 |
| 2011 | 9 | 9 | 1 | Update | PA | 0 | 0 | 0.2 | 0 |
| 2011 | 11 | 28 | 1 | Initial | TN, GA, NC, SC | 0 | 0 | 0.016 | 0.006 |
| 2011 | 12 | 5 | 1 | Update | AR, TN, MO, KY, IL | 0 | 0 | 0.047 | 0 |
| 2012 | 1 | 19 | 1 | Update | CA, OR | 0 | 0 | 4.155 | 0 |
| 2012 | 2 | 17 | 1 | Update | TX | 0 | 0 | 0.001 | 0.003 |
| 2012 | 3 | 12 | 1 | Update | LA | 0 | 0 | 168.45 | 0 |
| 2012 | 3 | 19 | 1 | Initial | TX, AR, OK, MO, KS | 0 | 0 | 1.17 | 0 |
| 2012 | 3 | 20 | 1 | Initial | TX, LA, OK, AR, MO, KS | 4 | 0 | 7.983 | 0 |
| 2012 | 4 | 29 | 1 | Update | OK, KS | 1 | 0 | 0.016 | 0 |
| 2012 | 6 | 26 | 1 | Initial | FL, GA | 0 | 0 | 0.46 | 0 |
| 2012 | 8 | 30 | 1 | Update | LA, MS, AL | 0 | 0 | 0.19 | 0 |
| 2013 | 1 | 9 | 1 | Update | LA, MS | 0 | 0 | 44.614 | 0 |
| 2013 | 1 | 10 | 1 | Initial | AR, MS, LA | 0 | 0 | 193.827 | 0 |
| 2013 | 5 | 2 | 1 | Initial | MS, AL | 0 | 0 | 0 | 0 |
| 2013 | 5 | 31 | 1 | Update | OK, AR, MO, IL, IN | 15 | 0 | 2.686 | 0.421 |
| 2013 | 7 | 10 | 1 | Update | OH, PA | 1 | 0 | 26.697 | 0.002 |
| 2013 | 9 | 12 | 1 | Update | CO | 2 | 0 | 367.504 | 5.75 |
| 2013 | 9 | 20 | 1 | Update | TX | 0 | 0 | 2.025 | 0 |
| 2013 | 10 | 13 | 1 | Update | TX | 0 | 0 | 0.3637 | 0 |
| 2013 | 10 | 30 | 1 | Update | TX, LA, AR | 5 | 0 | 102.95 | 0 |
| 2013 | 12 | 21 | 1 | Update | AR, MO, IL, KY, IN, OH | 6 | 4 | 1.77 | 0 |
| 2014 | 4 | 27 | 1 | Update | MO, KY, AR, TN, MS | 0 | 0 | 7.529 | 0 |
| 2014 | 4 | 28 | 1 | Initial | TN, AL | 1 | 1 | 0.966 | 0 |
| 2014 | 4 | 30 | 1 | Initial | AL, GA, FL | 0 | 0 | 32.701 | 0 |
| 2014 | 5 | 25 | 1 | Update | TX | 0 | 0 | 0.0093 | 0 |
| 2014 | 8 | 23 | 1 | Update | MT | 0 | 0 | 0.515 | 0 |
| 2014 | 8 | 24 | 1 | Initial | MT | 0 | 0 | 1.27 | 0 |
| 2014 | 9 | 9 | 1 | Update | IA, MO, IL | 0 | 0 | 2.4 | 1.335 |
| 2014 | 9 | 17 | 1 | Update | AZ, NM | 1 | 1 | 0.622 | 0 |
| 2014 | 9 | 18 | 1 | Initial | NM, TX | 1 | 0 | 0.1005 | 0 |
| 2015 | 5 | 10 | 1 | Initial | TX, OK, AR | 3 | 0 | 1.495 | 0 |
| Issuance time methodology changed. Previously it was more of a series of rolling updates. Listed whether it was initial Day 1 issuance, update, or a Day 2-3 issuance. | |||||||||
| 2015 | 5 | 23 | 1 | 15 | TX, OK | 17 | 0 | 260.356 | 0 |
| 2015 | 6 | 16 | 1 | 9 | TX | 0 | 0 | 0 | 0 |
| 2015 | 6 | 17 | 1 | 9 | TX, OK | 2 | 0 | 10.351 | 0.13 |
| 2015 | 6 | 18 | 1 | 9 | OK, AR, MO | 1 | 0 | 1.377 | 0.01 |
| 2015 | 7 | 7 | 0 | 1 | OK, AR, MO | 0 | 0 | 11.014 | 0 |
| 2015 | 10 | 2 | 1 | 9 | SC, VA | 0 | 0 | 5.118 | 0 |
| 2015 | 10 | 3 | 1 | 9 | GA, SC, NC | 6 | 24 | 97.449 | 20.081 |
| 2015 | 10 | 4 | 1 | 9 | SC | 2 | 3 | 36.116 | 0.05 |
| 2015 | 10 | 5 | 1 | 9 | SC | 0 | 0 | 0.36 | 0 |
| 2015 | 10 | 23 | 1 | 15 | TX | 0 | 0 | 1000.525 | 0 |
| 2015 | 10 | 24 | 1 | 9 | TX | 0 | 0 | 56 | 0 |
| 2015 | 12 | 24 | 1 | 15 | AL, GA | 2 | 0 | 14.455 | 0 |
| 2015 | 12 | 25 | 0 | 1 | MS, AL, GA | 2 | 0 | 4.627 | 0 |
| 2015 | 12 | 26 | 1 | 9 | OK, AR | 21 | 0 | 28.415 | 0 |
| 2015 | 12 | 27 | 1 | 9 | TX, OK, AR, MO, KY, TN, LA | 4 | 1 | 264.671 | 0 |
| 2016 | 3 | 9 | 1 | 9 | AR, LA, TX, MS | 3 | 1 | 35.947 | 0 |
| 2016 | 3 | 10 | 1 | 15 | LA, AR, MS, TN | 0 | 2 | 248.589 | 0 |
| 2016 | 3 | 11 | 1 | 9 | AR, LA, MS | 0 | 0 | 4.25 | 0 |
| 2016 | 4 | 17 | 0 | 1 | TX | 8 | 0 | 51.019 | 0.01 |
| 2016 | 4 | 18 | 1 | 9 | TX | 0 | 0 | 0.992 | 0 |
| 2016 | 4 | 29 | 1 | 15 | TX, OK, AR, LA | 8 | 0 | 2.322 | 0 |
| 2016 | 6 | 2 | 1 | 15 | TX, LA | 9 | 3 | 0.136 | 0 |
| 2016 | 8 | 11 | 0 | 1 | LA, MS | 4 | 0 | 1706.305 | 0 |
| 2016 | 8 | 12 | 2 | 21 | LA, MS | 2 | 0 | 1751.34 | 0 |
| 2016 | 8 | 13 | 2 | 21 | LA, MS, TX | 6 | 1 | 5529.82 | 0 |
| 2016 | 8 | 14 | 1 | 15 | AR, MO, IL, IN, KY | 1 | 0 | 0.189 | 0.05 |
| 2016 | 8 | 20 | 0 | 1 | TX | 0 | 0 | 0.075 | 0 |
| 2016 | 8 | 21 | 1 | 9 | TX | 0 | 0 | 0 | 0 |
| 2016 | 9 | 1 | 1 | 9 | FL, GA | 0 | 0 | 2.9 | 0 |
| 2016 | 9 | 2 | 1 | 9 | GA, SC, NC, VA | 0 | 0 | 89.04 | 0 |
| 2016 | 10 | 6 | 1 | 9 | FL | 0 | 0 | 0 | 0 |
| 2016 | 10 | 7 | 2 | 21 | FL, GA, SC | 0 | 0 | 1.536 | 0 |
| 2016 | 10 | 8 | 2 | 9 | SC, NC, VA | 15 | 0 | 724.546 | 152.3 |
| 2017 | 2 | 17 | 1 | 9 | CA | 2 | 2 | 4.665 | 0 |
| 2017 | 4 | 29 | 2 | 9 | OK, KS, AR, MO, IL | 9 | 0 | 112.552 | 0 |
| 2017 | 5 | 3 | 0 | 1 | TX, LA | 0 | 0 | 5.855 | 0 |
| 2017 | 6 | 20 | 0 | 1 | MS, AL, FL | 0 | 0 | 0 | 0 |
| 2017 | 6 | 21 | 2 | 21 | MS, AL, FL | 0 | 0 | 0.025 | 0 |
| 2017 | 6 | 22 | 1 | 9 | TX, LA, AR, MS | 0 | 0 | 0.52 | 0 |
| 2017 | 7 | 28 | 0 | 1 | VA, MD, DC, DE | 0 | 0 | 5.364 | 0 |
| 2017 | 8 | 25 | 2 | 21 | TX | 0 | 0 | 0.2 | 0 |
| 2017 | 8 | 26 | 2 | 9 | TX, LA | 56 | 0 | 32762.95 | 0.33 |
| 2017 | 8 | 27 | 3 | 21 | TX, LA | 8 | 1 | 10665 | 0.01 |
| 2017 | 8 | 28 | 3 | 9 | TX, LA | 1 | 0 | 75 | 0 |
| 2017 | 8 | 29 | 3 | 9 | TX, LA | 2 | 0 | 131.001 | 0 |
| 2017 | 8 | 30 | 2 | 21 | TX, LA, AR | 0 | 0 | 0.051 | 0 |
| 2017 | 8 | 31 | 2 | 21 | AR, TN, MS, MO, KY | 0 | 0 | 0.687 | 0 |
| 2017 | 9 | 9 | 1 | 9 | FL | 0 | 0 | 30 | 0 |
| 2017 | 9 | 10 | 2 | 9 | FL, GA | 0 | 0 | 510.705 | 0 |
| 2017 | 9 | 11 | 1 | 9 | AL, FL, GA, SC | 0 | 0 | 2.24 | 0 |
| 2018 | 1 | 8 | 1 | 9 | CA | 0 | 0 | 0 | 0 |
| 2018 | 1 | 9 | 2 | 21 | CA | 21 | 168 | 617.048 | 0 |
| 2018 | 2 | 24 | 2 | 21 | OK, TX, AR, MO, TN, IL, IN, KY, OH | 2 | 0 | 0.8685 | 0 |
| 2018 | 2 | 28 | 1 | 15 | OK, TX, AR, MS, TN | 0 | 0 | 0 | 0 |
| 2018 | 3 | 21 | 2 | 9 | CA | 0 | 0 | 8.31 | 0 |
| 2018 | 3 | 22 | 2 | 9 | CA | 2 | 0 | 46.8 | 0 |
| 2018 | 4 | 14 | 0 | 1 | MS, AL | 0 | 1 | 1.825 | 0 |
| 2018 | 5 | 28 | 1 | 9 | FL, AL | 0 | 0 | 0 | 0 |
| 2018 | 7 | 25 | 1 | 9 | PA, NY | 0 | 0 | 0.635 | 0 |
| 2018 | 8 | 28 | 1 | 18 | WI, MN, IA | 0 | 0 | 9.848 | 0.21 |
| 2018 | 9 | 4 | 0 | 1 | IA, MN, WI, MI | 0 | 0 | 0.215 | 0.379 |
| 2018 | 9 | 8 | 1 | 9 | IL, IN, OH, KY | 1 | 1 | 2.601 | 0.022 |
| 2018 | 9 | 13 | 3 | 21 | NC, SC | 0 | 0 | 0 | 0 |
| 2018 | 9 | 14 | 3 | 9 | NC, SC | 2 | 0 | 5.34 | 20 |
| 2018 | 9 | 15 | 3 | 9 | NC, SC | 10 | 0 | 2.63 | 25 |
| 2018 | 9 | 16 | 3 | 9 | NC, SC, VA, TN | 3 | 0 | 215.066 | 385.032 |
| 2018 | 9 | 21 | 0 | 1 | TX, OK, AR | 1 | 0 | 8.495 | 0 |
| 2018 | 10 | 7 | 0 | 1 | TX, OK | 6 | 3 | 0.115 | 0 |
| 2018 | 10 | 8 | 1 | 9 | TX, OK, KS, MO | 0 | 0 | 2.643 | 0.054 |
| 2018 | 10 | 11 | 1 | 9 | NC, VA, WV, MD, DE, NJ | 5 | 0 | 23 | 0 |
| 2018 | 12 | 27 | 0 | 1 | LA, MS | 1 | 0 | 8.907 | 0 |
| 2019 | 2 | 2 | 2 | 9 | CA | 1 | 0 | 0.102 | 0 |
| 2019 | 2 | 11 | 0 | 1 | AR | 0 | 0 | 0 | 0 |
| 2019 | 2 | 14 | 2 | 9 | CA | 0 | 4 | 107.25 | 0 |
| 2019 | 2 | 22 | 2 | 21 | MS, AL, TN | 2 | 1 | 1.534 | 0 |
| 2019 | 2 | 23 | 1 | 9 | MS, AL, TN, GA | 3 | 0 | 65.719 | 0 |
| 2019 | 5 | 9 | 0 | 1 | TX | 0 | 0 | 0.18 | 0 |
| 2019 | 5 | 11 | 0 | 1 | LA, MS | 0 | 0 | 0.105 | 0 |
| 2019 | 5 | 20 | 1 | 9 | OK, KS, MO, AR | 0 | 0 | 0.772 | 0 |
| 2019 | 5 | 23 | 1 | 9 | TX, OK, KS, NE | 0 | 0 | 0.27 | 0 |
| 2019 | 5 | 24 | 1 | 16 | OK, KS, MO | 0 | 0 | 0.114 | 0 |
| 2019 | 6 | 5 | 1 | 9 | TX, LA | 0 | 0 | 0.02 | 0 |
| 2019 | 6 | 8 | 0 | 1 | NC, SC | 0 | 0 | 0.35 | 0 |
| 2019 | 7 | 13 | 3 | 9 | LA, MS | 0 | 0 | 0.02 | 0 |
| 2019 | 7 | 14 | 2 | 21 | LA, MS | 0 | 0 | 29.166 | 0 |
| 2019 | 7 | 16 | 1 | 9 | AR | 0 | 0 | 0.257 | 0 |
| 2019 | 9 | 5 | 2 | 9 | NC, SC, VA | 0 | 0 | 0.14 | 0 |
| 2019 | 9 | 6 | 2 | 9 | NC, VA | 0 | 0 | 0 | 0 |
| 2019 | 9 | 18 | 1 | 9 | TX, LA | 3 | 0 | 535.155 | 0 |
| 2019 | 9 | 19 | 1 | 9 | TX, LA | 2 | 0 | 390 | 0 |
| 2020 | 2 | 10 | 1 | 9 | MS, AL, TN, GA | 0 | 0 | 0.222 | 0 |
| 2020 | 5 | 20 | 1 | 9 | SC, NC, VA, TN | 0 | 0 | 3.384 | 0 |
| 2020 | 6 | 7 | 1 | 9 | LA, MS | 0 | 0 | 0.065 | 0 |
| 2020 | 7 | 25 | 1 | 9 | TX | 0 | 0 | 11.29 | 90.3 |
| 2020 | 7 | 26 | 1 | 9 | TX | 0 | 0 | 0 | 0 |
| 2020 | 8 | 4 | 1 | 9 | VA, DC, MD, PA, NJ, NY | 2 | 0 | 0.228 | 0 |
| 2020 | 8 | 26 | 0 | 1 | TX, LA | 0 | 0 | 0 | 0 |
| 2020 | 9 | 2 | 2 | 21 | AR | 0 | 0 | 0.3 | 0 |
| 2020 | 9 | 15 | 3 | 21 | MS, AL, FL | 0 | 0 | 1.001 | 0 |
| 2020 | 9 | 16 | 1 | 9 | AL, FL, GA | 0 | 0 | 47.125 | 0 |
| 2020 | 9 | 22 | 1 | 9 | TX | 0 | 0 | 0 | 0 |
| 2020 | 11 | 8 | 0 | 1 | FL | 0 | 0 | 0 | 0 |
| 2021 | 1 | 27 | 0 | 1 | CA | 0 | 1 | 20 | 0 |
| 2021 | 6 | 8 | 1 | 16 | AR, MS | 1 | 0 | 3.137 | 0 |
| 2021 | 6 | 9 | 1 | 9 | AR, MS | 0 | 0 | 5.169 | 0 |
| 2021 | 6 | 18 | 0 | 2 | AL | 0 | 0 | 0.03 | 0 |
| 2021 | 7 | 7 | 1 | 9 | TX | 0 | 0 | 0.71 | 0 |
| 2021 | 8 | 17 | 0 | 1 | NC, SC, GA | 6 | 0 | 206.9375 | 0 |
| 2021 | 8 | 29 | 2 | 9 | LA, MS | 1 | 0 | 0 | 0 |
| 2021 | 9 | 1 | 2 | 21 | WV, MD, PA, NJ, NY, CT, RI, MA | 48 | 7 | 1054.14651 | 17 |
| 2021 | 9 | 13 | 1 | 9 | TX, LA | 0 | 0 | 0 | 0 |
| 2021 | 9 | 14 | 1 | 9 | TX, LA | 0 | 0 | 0.52 | 0 |
| 2021 | 10 | 24 | 2 | 9 | CA | 0 | 0 | 0 | 0 |
| 2022 | 9 | 28 | 2 | 21 | FL | 1 | 0 | 704 | 0 |
| 2022 | 9 | 29 | 3 | 21 | FL | 0 | 0 | 0 | 0 |
| 2023 | 3 | 9 | 0 | 1 | CA | 1 | 1 | 0.0004 | 0 |
| 2023 | 3 | 10 | 2 | 21 | CA | 0 | 0 | 15.50603 | 0 |
| 2023 | 3 | 14 | 2 | 21 | CA | 0 | 0 | 0.062 | 0 |
| 2023 | 3 | 26 | 0 | 1 | AL, GA | 0 | 0 | 0.035 | 0.004 |
| 2023 | 7 | 10 | 2 | 21 | NY, VT | 0 | 0 | 11.315 | 0 |
| 2023 | 8 | 20 | 3 | 9 | CA, NV | 0 | 0 | 537.0771 | 0 |