On the map: every storm report logged this day.
On the map
Storm reports for August 19, 2018
On August 19, 2018, 10 hail, 24 damaging-wind and 9 tornado reports were logged across 10 states.
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On August 19, 2018, 10 hail, 24 damaging-wind and 9 tornado reports were logged across 10 states. The largest hail reported was 1.75″ (golf ball size) in Johnson County, AR.
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 |
|---|---|---|---|---|
| MO | 0 | 8 | 7 | – |
| AR | 4 | 6 | 0 | 1.75″ |
| NC | 0 | 6 | 0 | – |
| NM | 2 | 1 | 0 | 1.75″ |
| VA | 2 | 1 | 0 | 1.00″ |
| OK | 0 | 0 | 2 | – |
| AZ | 1 | 0 | 0 | 1.00″ |
| KS | 1 | 0 | 0 | 1.00″ |
| NE | 0 | 1 | 0 | – |
| SC | 0 | 1 | 0 | – |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Clarksville, AR | 9,606 | 1.75″ |
| Santa Rosa, NM | 2,824 | 1.75″ |
| Malvern, AR | 11,082 | 0.88″ |
Hail reports (10)
| Time (UTC) | Size | Location |
|---|---|---|
| 22:50 | 1.75″ | Johnson County, AR |
| 00:30 | 1.75″ | Guadalupe County, NM |
| 21:40 | 1.50″ | Colfax County, NM |
| 21:05 | 1.00″ | Pittsylvania County, VA |
| 22:45 | 1.00″ | Johnson County, AR |
| 22:48 | 1.00″ | Johnson County, AR |
| 23:20 | 1.00″ | Cochise County, AZ |
| 00:17 | 1.00″ | Ellis County, KS |
| 20:45 | 0.88″ | Pittsylvania County, VA |
| 02:15 | 0.88″ | Hot Spring County, AR |
Damage, injuries and deaths
National Weather Service offices recorded about $405,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (45 events in 10 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Colfax County, NM | 2 | 0 | 0 | $120,000 |
| Lawrence County, MO | 1 | 0 | 0 | $75,000 |
| Mayes County, OK | 2 | 0 | 0 | $50,000 |
| Guadalupe County, NM | 1 | 0 | 0 | $30,000 |
| Vernon County, MO | 1 | 0 | 0 | $25,000 |
| Barry County, MO | 1 | 0 | 0 | $20,000 |
| Newton County, MO | 1 | 0 | 0 | $20,000 |
| Conway County, AR | 2 | 0 | 0 | $15,000 |
| Rogers County, OK | 1 | 0 | 0 | $15,000 |
| Barton County, MO | 1 | 0 | 0 | $10,000 |
| Polk County, MO | 2 | 0 | 0 | $10,000 |
| Wright County, MO | 1 | 0 | 0 | $10,000 |
What the National Weather Service wrote
- Colfax County, NM (near Miami) · Hail 1.50″ · $100,000
“Hail up to the size of ping pong balls produced damage on the east side of Miami. At least one vehicle had significant hail damage with windows smashed out. Windows and skylights were broken at other residences across town. Damage amounts are a rough estimate.” - Lawrence County, MO (near Bonham) · Tornado EF1 · $75,000
“A National Weather Service storm survey determined that an EF1 tornado touched down near Highway Z and 39 in Barry County and continued north northeast for approximately 3.4 miles before crossing into Lawrence County ending west of Marionville.” - Mayes County, OK (near Mazie) · Tornado EF1 · $30,000
“This tornado apparently developed near the S425 Road, just north of the E650 Road where large tree limbs were snapped. The tornado moved northeast and damaged a barn on the W640 Road, and damaged or destroyed outbuildings on the W630 Road.” - Guadalupe County, NM (near Santa Rosa Muni Arpt) · Hail 1.75″ · $30,000
“Hail up to the size of golf balls with strong winds broke windows out of one residence east of Santa Rosa. Damage amounts are a rough estimate.” - Vernon County, MO (near Sheldon) · Tornado EF1 · $25,000
“A National Weather Service survey determined that EF-1 tornado starting 1.5 SE of Sheldon, Mo. Damage occurred to a few farm outbuildings. The tornado continued on the ground for two minutes to the northeast uprooting trees along the tornado path before lifting one mile east of Sheldon, Mo.” - Colfax County, NM (near Miami) · Thunderstorm wind 70 mph · $20,000
“Peak winds estimated near 70 mph blew over a cow barn on a ranch in Miami. Damage amounts are a rough estimate.”
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.
NWS Tornado Damage Surveys for August 19, 2018
National Weather Service survey teams mapped 4 tornado paths from this storm day (2 EF1, 2 EF0), 11 miles in all. The map above draws each surveyed path as the NWS mapped it, colored by the EF rating of each stretch, in place of the straight start-to-end line.
| Rating | Peak wind | Path length | Max width | Deaths / injuries | On the ground | Surveyed by |
|---|---|---|---|---|---|---|
| EF1 | 90 mph | 8.9 mi | 100 yd | 0 / 0 | 23:36–00:01 UTC | NWS Springfield, MO |
| EF1 | 95 mph | 1.0 mi | – | 0 / 0 | 22:57–22:59 UTC | NWS Springfield, MO |
| EF0 | 80 mph | 1.1 mi | 40 yd | 0 / 0 | 22:51–22:54 UTC | NWS Springfield, MO |
| EF0 | 74 mph | 0.2 mi | – | 0 / 0 | 23:03 UTC | NWS Springfield, MO |
Source: NOAA National Weather Service Damage Assessment Toolkit (DAT): the tornado paths and EF-rating zones NWS survey teams mapped after each storm. Survey data are preliminary and can be revised; NOAA's official record is Storm Data (NCEI). Paths are simplified to about 30 m. Times are when the tornado was on the ground, in UTC.
Guides: What radar-estimated hail (MESH) is and isn't · Storm reports: preliminary vs final
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