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Hail in Calvert County, Maryland
49 hail events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Hail.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
Calvert County, Maryland, has 49 hail events in the NCEI record since 1950, with at least one in 23 different years.
May is the busiest month, with 14 of the recorded events. The last 20 years account for 29 events against 19 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 3.1% of the 1,580 hail events recorded in Maryland; its 23.0 per 100 square miles compares with 16.3 statewide.
9 of the hail reports with a recorded size were golf-ball size (1.75 inches) or larger; the largest recorded stone was 3.00 inches (tea cup size).
Compared with Maryland
| Measure | Calvert County | Maryland | US |
|---|---|---|---|
| Hail events since 1950 | 49 | 1,580 | 424,356 |
| Per 100 square miles | 23.0 | 16.3 | 12.0 |
| Per 10,000 residents | 5.2 | 2.6 | 12.8 |
| Deaths recorded | 0 | 0 | 29 |
| Busiest month | May | May | May |
By year
Seasonality
0Feb
2Mar
1Apr
13May
14Jun
12Jul
4Aug
1Sep
1Oct
1Nov
0Dec
0
Magnitude distribution
NWS hail-size descriptors
- under 1 in
- pea to quarter
- 1–1.74 in
- quarter to golf ball
- 1.75–2.74 in
- golf ball to baseball
- 2.75–3.99 in
- baseball to softball
- 4 in and larger
- softball and larger
Hail size in inches as recorded by NCEI; events without a size are not binned.
Recorded events
All 49 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 16 May 2022 | Hail | 1.00 in | — | — | — | — | County |
| 16 May 2022 | Hail | 1.50 in | — | — | — | — | County |
| 16 May 2022 | Hail | 1.00 in | — | — | — | — | County |
| 16 May 2022 | Hail | 2.25 in | — | — | — | — | County |
| 16 May 2022 | Hail | 1.00 in | — | — | — | — | County |
| 16 May 2022 | Hail | 3.00 in | $100K | — | — | — | County |
| 29 Jun 2019 | Hail | 1.00 in | — | — | — | — | County |
| 29 Jun 2019 | Hail | 1.00 in | — | — | — | — | County |
| 12 May 2018 | Hail | 1.00 in | — | — | — | — | County |
| 21 Apr 2017 | Hail | 1.00 in | — | — | — | — | County |
| 25 Feb 2017 | Hail | 1.25 in | — | — | — | — | County |
| 25 Feb 2017 | Hail | 1.00 in | — | — | — | — | County |
| 23 May 2016 | Hail | 1.00 in | — | — | — | — | County |
| 2 May 2016 | Hail | 1.75 in | — | — | — | — | County |
| 22 May 2014 | Hail | 1.75 in | — | — | — | — | County |
| 22 Jun 2012 | Hail | 1.00 in | — | — | — | — | County |
| 21 Aug 2011 | Hail | 1.00 in | — | — | — | — | County |
| 14 May 2010 | Hail | 1.00 in | — | — | — | — | County |
| 26 Jun 2009 | Hail | 0.75 in | — | — | — | — | County |
| 2 Jun 2009 | Hail | 0.75 in | — | — | — | — | County |
| 2 Jun 2009 | Hail | 0.75 in | — | — | — | — | County |
| 2 Jun 2009 | Hail | 0.88 in | — | — | — | — | County |
| 2 Jun 2009 | Hail | 0.75 in | — | — | — | — | County |
| 4 Jul 2008 | Hail | 0.75 in | — | — | — | — | County |
| 22 Jun 2008 | Hail | 0.75 in | — | — | — | — | County |
| 22 Jun 2008 | Hail | 0.75 in | — | — | — | — | County |
| 31 May 2008 | Hail | 1.00 in | — | — | — | — | County |
| 31 May 2008 | Hail | 0.75 in | — | — | — | — | County |
| 16 Jul 2007 | Hail | 1.00 in | — | — | — | — | County |
| 23 Apr 2005 | Hail | 0.75 in | — | — | — | — | County |
| 5 May 2004 | Hail | 0.88 in | — | — | — | — | County |
| 28 Apr 2002 | Hail | 1.75 in | — | — | — | — | County |
| 28 Apr 2002 | Hail | 1.75 in | — | — | — | — | County |
| 16 Jul 2000 | Hail | 0.88 in | — | — | — | — | County |
| 21 Apr 2000 | Hail | 1.00 in | — | — | — | — | County |
| 23 Apr 1999 | Hail | 0.75 in | — | — | — | — | County |
| 23 Apr 1999 | Hail | 1.50 in | — | — | — | — | County |
| 23 Apr 1999 | Hail | 1.00 in | — | — | — | — | County |
| 23 Apr 1999 | Hail | 1.50 in | — | — | — | — | County |
| 9 Apr 1999 | Hail | 1.00 in | — | — | — | — | County |
| 9 Apr 1999 | Hail | 1.50 in | — | — | — | — | County |
| 9 Apr 1999 | Hail | 1.25 in | — | — | — | — | County |
| 15 Jun 1998 | Hail | 1.75 in | $3K | — | — | — | County |
| 15 Jun 1998 | Hail | 0.75 in | — | — | — | — | County |
| 29 Mar 1997 | Hail | 1.75 in | $1K | — | — | — | County |
| 15 Jul 1996 | Hail | 2.00 in | $2K | — | — | — | County |
| 26 Sep 1994 | Hail | 0.75 in | — | $50 | — | — | County |
| 1 Apr 1993 | Hail | 0.88 in | — | — | — | — | County |
| 9 Oct 1962 | Hail | 0.75 in | — | — | — | — | County |
Questions and answers
How many hail events has Calvert County had?
49 events in the NCEI Storm Events record between 1950 and 2026. Reporting of hail became far more complete after 1996, so early decades undercount.
When was the last recorded hail event in Calvert County?
16 May 2022 (Hail, 3.00 in). Records reach NCEI about 120 days after the month ends.
What was the most damaging hail event recorded in Calvert County?
The hail of 16 May 2022, with property damage estimated by NCEI at $100K.
How does Calvert County compare with Maryland for hail?
23.0 events per 100 square miles against 16.3 statewide; the county holds 49 of the state's 1,580 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Hail hub and the county page.