On the map: every storm report logged this day.
On the map
Storm reports for January 19, 2018
On January 19, 2018, 4 hail, 0 damaging-wind and 0 tornado reports were logged across 1 state.
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On January 19, 2018, 4 hail, 0 damaging-wind and 0 tornado reports were logged across 1 state. The largest hail reported was 0.25″ (pea size) in Santa Clara County, CA.
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 |
|---|---|---|---|---|
| CA | 4 | 0 | 0 | 0.25″ |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Santa Rosa, CA | 177,524 | 0.25″ |
| Petaluma, CA | 59,393 | 0.25″ |
| Cupertino, CA | 58,710 | 0.25″ |
| Saratoga, CA | 30,486 | 0.25″ |
Hail reports (4)
| Time (UTC) | Size | Location |
|---|---|---|
| 21:36 | 0.25″ | Santa Clara County, CA |
| 22:25 | 0.25″ | Sonoma County, CA |
| 22:35 | 0.25″ | Sonoma County, CA |
| 22:43 | 0.25″ | Sonoma County, CA |
Damage, injuries and deaths
National Weather Service offices recorded 4 hail, wind or tornado events across the US on this storm day, with no damage estimate, injury or death entered. Injuries and deaths are those the events caused directly.
What the National Weather Service wrote
- Sonoma County, CA (near Petaluma) · Hail 0.25″
“CoCoRaHS observer reported pea sized hail near Petaluma.”
Event narratives from NWS Storm Data, shortened. Up to six per day, chosen by deaths, injuries, damage and size.
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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