Hail History

Hail history for Big Flats, New York

NOAA hail reports in and within about 5 km (3 miles) of Big Flats since 1979, with preliminary reports to November 3, 2026.

Readout · Big Flats

Last hail
Feb 21, 2023
0.75 in, penny size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
1.00 in
quarter · May 25, 2020

13 reports on 10 days since 1979 · #46 of 98 New York places

Hail map · Big Flats

Big Flats Horseheads Elmira Corning Waverly 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
13 most recent reports with a location; Chemung County is shaded. Open street map

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What the record says about Big Flats

The latest hail report in and around Big Flats is from February 21, 2023, 0.75 in (penny size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 0.75 in on February 21, 2023.

Over the 20 years 2006–2025, Big Flats logged 9 reports on 7 hail days, about 0.5 reports a year. That is 10% less than the median New York town on this site (0.5 a year) and ranks #46 of 98 New York cities and towns on this site for all-time reports. Big Flats accounts for 19% of the 69 reports filed in Chemung County.

0% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median New York town on this site. The largest hail on record here is 1.00 in (quarter) on May 25, 2020 near 0.69 N Big Flats.

Reports were down 50% in 2016–2025 (3) compared with 2006–2015 (6). The busiest year was 2020, with 2 reports on 1 day. Hail here peaks in June (31% of reports); 54% fall between April and June.

Reports a year 2006–2025 average

  • Big Flats 0.5
  • Chemung County 2.6
  • Median New York town on this site 0.5

Hail days 2006–2025

  • Big Flats 7
  • Chemung County 23
  • Median New York town on this site 7

Share 2 in or larger of sized reports

  • Big Flats 0%
  • Chemung County 0%
  • Median New York town on this site 0%

Hail over time

012 1979: 1 reports, largest 1.00 in 1980 1985: 2 reports, largest 1.00 in 1990 2000 2002: 1 reports, largest 0.88 in 2007: 2 reports, largest 0.88 in 2008: 2 reports, largest 1.00 in 2010 2012: 2 reports, largest 1.00 in 2020: 2 reports, largest 1.00 in 2020 2023: 1 reports, largest 0.75 in
Reports per year, 1979–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
01234 Jan February: 1 reports (8%) Feb Mar Apr May: 3 reports (23%) May June: 4 reports (31%) Jun July: 3 reports (23%) Jul August: 1 reports (8%) Aug September: 1 reports (8%) Sep Oct Nov Dec
All 13 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 1 1
2022 0
2021 0
2020 2 2
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Feb 21, 2023 1 0.75 in —

Largest hail on record

Largest hail reports in Big Flats
Date Size Location County Time · source
May 25, 2020 1.00 inquarter 0.69 N Big Flats Chemung 17:21 local · NCEI
May 25, 2020 1.00 inquarter Tompkins Corners Chemung 17:00 local · NCEI
Sep 6, 2012 1.00 inquarter Tompkins Corners Chemung 15:13 local · NCEI
May 29, 2012 1.00 inquarter 1.54 E Gibson Steuben 12:40 local · NCEI
Jun 16, 2008 1.00 inquarter 0.69 N Big Flats Chemung 14:44 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Big Flats
Date Size Location County Time · source
Feb 21, 2023 0.75 inpenny Fisherville Chemung 14:10 local · NCEI
May 25, 2020 1.00 inquarter 0.69 N Big Flats Chemung 17:21 local · NCEI
May 25, 2020 1.00 inquarter Tompkins Corners Chemung 17:00 local · NCEI
Sep 6, 2012 1.00 inquarter Tompkins Corners Chemung 15:13 local · NCEI
May 29, 2012 1.00 inquarter 1.54 E Gibson Steuben 12:40 local · NCEI
Jun 16, 2008 1.00 inquarter 0.69 N Big Flats Chemung 14:44 local · NCEI
Jun 16, 2008 0.88 innickel East Corning Steuben 14:43 local · NCEI
Aug 3, 2007 0.75 inpenny 0.69 N Big Flats Chemung 13:25 local · NCEI
Jul 9, 2007 0.88 innickel 2.65 WNW (Elm)elmira Arpt Chemung 16:45 local · NCEI
Jun 27, 2002 0.88 innickel Big Flats Chemung 14:45 local · NCEI
Jul 12, 1985 1.00 inquarter — Chemung 13:04 local · NCEI
Jul 12, 1985 1.00 inquarter — Chemung 12:28 local · NCEI

Hail history near Big Flats

Questions about hail in Big Flats

How often does it hail in Big Flats, New York?

13 hail reports have been logged in and within about 5 km (3 miles) of Big Flats since 1979. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #46 of 98 New York places by number of reports.

When is hail season in Big Flats?

Most reports come in June, May, July. June alone accounts for 31% of all reports.

What is the largest hail recorded in Big Flats?

1.00 in (quarter size) on May 25, 2020 near 0.69 N Big Flats. 0% of reports here were 2 inches or larger.

When did it last hail in Big Flats?

The most recent report in this data is from February 21, 2023 (0.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was February 21, 2023.

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.