Hail History

Hail history for Alcoa, Tennessee

NOAA hail reports in and within about 5 km (3 miles) of Alcoa since 1999, with preliminary reports to November 3, 2026.

Readout · Alcoa

Last hail
Mar 17, 2018
1.00 in, quarter size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
1.50 in
ping pong ball · Apr 3, 2006

14 reports on 13 days since 1999 · #119 of 180 Tennessee places

Hail map · Alcoa

Alcoa Maryville Louisville Farragut Lenoir City 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
14 most recent reports with a location; Blount County is shaded. Open street map

For homeowners

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What the record says about Alcoa

The latest hail report in and around Alcoa is from March 17, 2018, 1.00 in (quarter size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Alcoa logged 10 reports on 9 hail days, about 0.5 reports a year. That is about the same as the median Tennessee town on this site (0.5 a year) and ranks #119 of 180 Tennessee cities and towns on this site for all-time reports. Alcoa accounts for 13% of the 109 reports filed in Blount County.

0% of reports with a size were 2 inches (hen egg) or larger, against 3% for the median Tennessee town on this site. The largest hail on record here is 1.50 in (ping pong ball) on April 3, 2006 near Knoxville Mcghee Tys.

Reports were down 89% in 2016–2025 (1) compared with 2006–2015 (9). The busiest year was 2006, with 3 reports on 2 days. Hail here peaks in May (29% of reports); 57% fall between April and June.

Reports a year 2006–2025 average

  • Alcoa 0.5
  • Blount County 2.8
  • Median Tennessee town on this site 0.5

Hail days 2006–2025

  • Alcoa 9
  • Blount County 37
  • Median Tennessee town on this site 8.5

Share 2 in or larger of sized reports

  • Alcoa 0%
  • Blount County 4%
  • Median Tennessee town on this site 3%

Hail over time

0123 1999: 2 reports, largest 1.25 in 2000 2001: 1 reports, largest 0.75 in 2004: 1 reports, largest 1.25 in 2005 2006: 3 reports, largest 1.50 in 2007: 1 reports, largest 1.00 in 2008: 1 reports, largest 1.00 in 2009: 1 reports, largest 1.00 in 2010 2011: 2 reports, largest 1.00 in 2014: 1 reports, largest 1.00 in 2015 2018: 1 reports, largest 1.00 in 2020 2025
Reports per year, 1999–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
01234 Jan Feb March: 1 reports (7%) Mar April: 3 reports (21%) Apr May: 4 reports (29%) May June: 1 reports (7%) Jun July: 1 reports (7%) Jul August: 4 reports (29%) Aug Sep Oct Nov Dec
All 14 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 0
2022 0
2021 0
2020 0
2019 0
2018 1 1
2017 0

Largest hail on record

Largest hail reports in Alcoa
Date Size Location County Time · source
Apr 3, 2006 1.50 inping pong ball Knoxville Mcghee Tys Blount 02:06 local · NCEI
May 26, 2004 1.25 inhalf dollar (Tys)mcghee Tyson Kn Blount 18:24 local · NCEI
May 7, 1999 1.25 inhalf dollar (Tys)mcghee Tyson Kn Blount 15:08 local · NCEI
Mar 17, 2018 1.00 inquarter 0.69 S Alcoa Blount 19:00 local · NCEI
Jul 27, 2014 1.00 inquarter 0.69 S Alcoa Blount 19:34 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Alcoa
Date Size Location County Damage Time · source
Mar 17, 2018 1.00 inquarter 0.69 S Alcoa Blount — 19:00 local · NCEI
Jul 27, 2014 1.00 inquarter 0.69 S Alcoa Blount — 19:34 local · NCEI
Aug 18, 2011 1.00 inquarter Alcoa Blount — 21:35 local · NCEI
Apr 27, 2011 1.00 inquarter Knoxville Mcghee Tys Blount — 18:46 local · NCEI
Aug 27, 2009 1.00 inquarter Alcoa Blount $1K 15:10 local · NCEI
May 9, 2008 1.00 inquarter 0.69 S Alcoa Blount — 20:56 local · NCEI
Aug 2, 2007 1.00 inquarter Alcoa Blount — 15:55 local · NCEI
May 20, 2006 0.88 innickel Alcoa Blount — 15:05 local · NCEI
Apr 3, 2006 1.00 inquarter 1 E Alcoa Blount — 02:15 local · NCEI
Apr 3, 2006 1.50 inping pong ball Knoxville Mcghee Tys Blount — 02:06 local · NCEI
May 26, 2004 1.25 inhalf dollar (Tys)mcghee Tyson Kn Blount — 18:24 local · NCEI
Jun 25, 2001 0.75 inpenny 4 N Maryville Blount — 13:25 local · NCEI

Hail history near Alcoa

Questions about hail in Alcoa

How often does it hail in Alcoa, Tennessee?

14 hail reports have been logged in and within about 5 km (3 miles) of Alcoa since 1999. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #119 of 180 Tennessee places by number of reports.

When is hail season in Alcoa?

Most reports come in May, August, April. May alone accounts for 29% of all reports.

What is the largest hail recorded in Alcoa?

1.50 in (ping pong ball size) on April 3, 2006 near Knoxville Mcghee Tys. 0% of reports here were 2 inches or larger.

When did it last hail in Alcoa?

The most recent report in this data is from March 17, 2018 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Alcoa had in the last five years?

None: there has been no hail report in and within about 5 km (3 miles) of Alcoa since November 3, 2021. The last one was on March 17, 2018.

Where does this hail data come from?

Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.