On the map: every storm report logged this day.
On the map
Storm reports for July 21, 1963
On July 21, 1963, 6 hail, 4 damaging-wind and 1 tornado reports were logged across 8 states.
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On July 21, 1963, 6 hail, 4 damaging-wind and 1 tornado reports were logged across 8 states. The largest hail reported was 1.75″ (golf ball size) in Mobile County, AL.
Storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Radar hail estimates start October 2019.
Storm reports by state
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| AL | 2 | 0 | 0 | 1.75″ |
| WI | 2 | 0 | 0 | 1.00″ |
| IL | 1 | 1 | 0 | 1.00″ |
| FL | 1 | 0 | 0 | 1.00″ |
| MA | 0 | 0 | 1 | – |
| MS | 0 | 1 | 0 | – |
| AZ | 0 | 1 | 0 | – |
| MI | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Cicero, IL | 82,090 | 1.00″ |
| Jupiter, FL | 62,987 | 1.00″ |
| Oak Lawn, IL | 56,531 | 1.00″ |
| Berwyn, IL | 55,152 | 1.00″ |
| Burbank, IL | 28,606 | 1.00″ |
| Brookfield, IL | 18,885 | 1.00″ |
| Prichard, AL | 18,778 | 1.00″ |
| Bridgeview, IL | 16,559 | 1.00″ |
| Hickory Hills, IL | 14,118 | 1.00″ |
| North Palm Beach, FL | 13,423 | 1.00″ |
| Justice, IL | 12,267 | 1.00″ |
| Summit, IL | 10,761 | 1.00″ |
| Lyons, IL | 10,440 | 1.00″ |
| Riverside, IL | 8,964 | 1.00″ |
| Stickney, IL | 6,902 | 1.00″ |
| Countryside, IL | 6,246 | 1.00″ |
| Semmes, AL | 6,193 | 1.00″ |
| Hometown, IL | 4,193 | 1.00″ |
| Juno Beach, FL | 3,969 | 1.00″ |
Hail reports (6)
| Time (UTC) | Size | Location |
|---|---|---|
| 23:45 | 1.75″ | Mobile County, AL |
| 22:00 | 1.00″ | Marquette County, WI |
| 23:48 | 1.00″ | Mobile County, AL |
| 00:00 | 1.00″ | Palm Beach County, FL |
| 00:00 | 1.00″ | Cook County, IL |
| 02:30 | 1.00″ | Marquette County, WI |
Damage, injuries and deaths
National Weather Service offices recorded about $3,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (11 events in 8 states). Before 1996 the database holds only tornado, hail and wind events, and damage was often entered as a range, so treat these figures as rough. Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Hampden County, MA | 1 | 0 | 0 | $3,000 |
Source: NOAA National Centers for Environmental Information (NCEI), Storm Events Database, as entered by National Weather Service offices; data through July 31, 2026. Damage is in dollars of the year, not adjusted for inflation.
Guides: What radar-estimated hail (MESH) is and isn't · Storm reports: preliminary vs final
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