On the map: every storm report logged this day.
On the map
Storm reports for April 21, 1999
On April 21, 1999, 130 hail, 24 damaging-wind and 6 tornado reports were logged across 8 states.
FreeNo accountNo phone numberWe don’t keep the address
· As you type, the text is sent to Google to suggest addresses.IndependentNot affiliated with NOAA or the National Weather Service. Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
← Apr 20, 1999 All 1999 storm days · April 1999 Apr 22, 1999 →
On April 21, 1999, 130 hail, 24 damaging-wind and 6 tornado reports were logged across 8 states. The largest hail reported was 2.75″ (baseball size) in Phelps County, NE.
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 |
|---|---|---|---|---|
| OK | 59 | 15 | 3 | 2.75″ |
| KS | 40 | 1 | 0 | 2.75″ |
| NE | 14 | 0 | 3 | 2.75″ |
| IL | 5 | 5 | 0 | 1.75″ |
| PA | 4 | 3 | 0 | 1.75″ |
| IA | 4 | 0 | 0 | 1.75″ |
| IN | 2 | 0 | 0 | 1.00″ |
| OH | 2 | 0 | 0 | 0.75″ |
Cities with hail reported within 5 miles
| City | Population | Largest report |
|---|---|---|
| Wichita, KS | 400,991 | 1.75″ |
| Hoffman Estates, IL | 50,920 | 1.75″ |
| Enid, OK | 50,519 | 1.75″ |
| Bartlett, IL | 40,718 | 1.75″ |
| Streamwood, IL | 38,360 | 1.75″ |
| Hanover Park, IL | 36,685 | 1.75″ |
| Franklin Park, PA | 15,079 | 1.75″ |
| El Dorado, KS | 12,694 | 1.75″ |
| Augusta, KS | 9,103 | 1.75″ |
| Ambridge, PA | 6,886 | 1.75″ |
| Coraopolis, PA | 5,340 | 1.75″ |
| Sewickley, PA | 3,770 | 1.75″ |
| Lincoln, NE | 300,619 | 1.50″ |
| Stillwater, OK | 50,138 | 1.00″ |
| St. Charles, IL | 33,482 | 1.00″ |
| South Elgin, IL | 24,921 | 1.00″ |
| Geneva, IL | 21,168 | 1.00″ |
| Andover, KS | 17,000 | 1.00″ |
| Independence, KS | 8,287 | 1.00″ |
| Claremore, OK | 20,602 | 0.88″ |
| Schaumburg, IL | 77,099 | 0.75″ |
| Elk Grove Village, IL | 31,802 | 0.75″ |
| Plum, PA | 26,420 | 0.75″ |
| Rolling Meadows, IL | 23,732 | 0.75″ |
| Roselle, IL | 22,871 | 0.75″ |
Hail reports (130)
| Time (UTC) | Size | Location |
|---|---|---|
| 14:39 | 2.75″ | Phelps County, NE |
| 00:00 | 2.75″ | Alfalfa County, OK |
| 00:29 | 2.75″ | Garfield County, OK |
| 02:17 | 2.75″ | Butler County, KS |
| 03:08 | 2.75″ | Kingfisher County, OK |
| 03:20 | 2.75″ | Kingfisher County, OK |
| 02:44 | 2.50″ | Kingfisher County, OK |
| 02:46 | 2.50″ | Kingfisher County, OK |
| 02:47 | 2.50″ | Butler County, KS |
| 14:46 | 1.75″ | Buffalo County, NE |
| 15:00 | 1.75″ | Buffalo County, NE |
| 20:25 | 1.75″ | Ida County, IA |
| 23:20 | 1.75″ | Major County, OK |
| 23:30 | 1.75″ | Marion County, KS |
| 00:05 | 1.75″ | Kankakee County, IL |
| 00:10 | 1.75″ | Garfield County, OK |
| 00:25 | 1.75″ | Pottawatomie County, KS |
| 00:30 | 1.75″ | Otoe County, NE |
| 00:37 | 1.75″ | Chase County, KS |
| 00:40 | 1.75″ | Otoe County, NE |
| 01:07 | 1.75″ | Sumner County, KS |
| 01:17 | 1.75″ | Sedgwick County, KS |
| 01:17 | 1.75″ | Major County, OK |
| 01:22 | 1.75″ | Garfield County, OK |
| 01:27 | 1.75″ | Chase County, KS |
| 01:51 | 1.75″ | Butler County, KS |
| 02:14 | 1.75″ | Butler County, KS |
| 02:20 | 1.75″ | DuPage County, IL |
| 02:25 | 1.75″ | Butler County, KS |
| 02:30 | 1.75″ | Kingfisher County, OK |
| 02:41 | 1.75″ | Kingfisher County, OK |
| 02:47 | 1.75″ | Butler County, KS |
| 02:52 | 1.75″ | Butler County, KS |
| 03:17 | 1.75″ | Kingfisher County, OK |
| 03:19 | 1.75″ | Butler County, KS |
| 04:00 | 1.75″ | Decatur County, IA |
| 04:40 | 1.75″ | Allegheny County, PA |
| 04:45 | 1.75″ | Major County, OK |
| 04:50 | 1.75″ | Major County, OK |
| 04:58 | 1.75″ | Pawnee County, OK |
| 08:05 | 1.75″ | Grant County, OK |
| 00:05 | 1.50″ | Lancaster County, NE |
| 00:22 | 1.50″ | Garfield County, OK |
| 00:55 | 1.25″ | Sumner County, KS |
| 00:59 | 1.25″ | Sumner County, KS |
| 22:40 | 1.00″ | Jackson County, OK |
| 22:58 | 1.00″ | Tillman County, OK |
| 23:01 | 1.00″ | Alfalfa County, OK |
| 23:11 | 1.00″ | Kiowa County, OK |
| 23:17 | 1.00″ | Benton County, IN |
| 23:25 | 1.00″ | Comanche County, OK |
| 23:28 | 1.00″ | Lancaster County, NE |
| 23:30 | 1.00″ | Grant County, OK |
| 00:45 | 1.00″ | Major County, OK |
| 00:57 | 1.00″ | Blaine County, OK |
| 01:03 | 1.00″ | Chase County, KS |
| 01:05 | 1.00″ | Sumner County, KS |
| 01:21 | 1.00″ | Butler County, KS |
| 01:25 | 1.00″ | Sumner County, KS |
| 01:30 | 1.00″ | Dewey County, OK |
| 01:38 | 1.00″ | Butler County, KS |
| 01:39 | 1.00″ | Kane County, IL |
| 01:50 | 1.00″ | Butler County, KS |
| 01:55 | 1.00″ | Garfield County, OK |
| 02:17 | 1.00″ | Blaine County, OK |
| 02:36 | 1.00″ | Blaine County, OK |
| 02:37 | 1.00″ | Butler County, KS |
| 02:50 | 1.00″ | Sedgwick County, KS |
| 02:50 | 1.00″ | Sedgwick County, KS |
| 04:14 | 1.00″ | Payne County, OK |
| 04:17 | 1.00″ | Payne County, OK |
| 08:15 | 1.00″ | Grant County, OK |
| 09:13 | 1.00″ | Montgomery County, KS |
| 18:10 | 0.88″ | Platte County, NE |
| 20:30 | 0.88″ | Crawford County, IA |
| 22:45 | 0.88″ | Tillman County, OK |
| 23:05 | 0.88″ | Marion County, KS |
| 23:16 | 0.88″ | Marion County, KS |
| 00:08 | 0.88″ | Marion County, KS |
| 00:35 | 0.88″ | Pottawatomie County, KS |
| 01:19 | 0.88″ | Butler County, KS |
| 01:37 | 0.88″ | Cimarron County, OK |
| 03:41 | 0.88″ | Butler County, KS |
| 03:45 | 0.88″ | Pawnee County, OK |
| 03:57 | 0.88″ | Kingfisher County, OK |
| 05:20 | 0.88″ | Garfield County, OK |
| 05:58 | 0.88″ | Rogers County, OK |
| 14:31 | 0.75″ | Phelps County, NE |
| 14:55 | 0.75″ | Dawson County, NE |
| 17:28 | 0.75″ | Howard County, NE |
| 17:28 | 0.75″ | Greeley County, NE |
| 20:09 | 0.75″ | Crawford County, IA |
| 23:04 | 0.75″ | Jackson County, OK |
| 23:09 | 0.75″ | Grant County, OK |
| 23:15 | 0.75″ | Lancaster County, NE |
| 23:45 | 0.75″ | Kiowa County, OK |
| 23:50 | 0.75″ | Comanche County, OK |
| 00:42 | 0.75″ | Butler County, KS |
| 00:45 | 0.75″ | Grant County, OK |
| 00:54 | 0.75″ | Chase County, KS |
| 01:00 | 0.75″ | Grant County, OK |
| 01:00 | 0.75″ | Garfield County, OK |
| 01:10 | 0.75″ | Newton County, IN |
| 01:30 | 0.75″ | Lyon County, KS |
| 01:35 | 0.75″ | Pottawatomie County, KS |
| 01:40 | 0.75″ | Cowley County, KS |
| 01:40 | 0.75″ | Noble County, OK |
| 01:47 | 0.75″ | Chase County, KS |
| 02:10 | 0.75″ | Cook County, IL |
| 02:13 | 0.75″ | Kay County, OK |
| 02:13 | 0.75″ | Noble County, OK |
| 02:14 | 0.75″ | Noble County, OK |
| 02:20 | 0.75″ | Blaine County, OK |
| 02:31 | 0.75″ | Noble County, OK |
| 02:41 | 0.75″ | Noble County, OK |
| 02:50 | 0.75″ | Cimarron County, OK |
| 03:00 | 0.75″ | Garfield County, OK |
| 03:02 | 0.75″ | Sumner County, KS |
| 03:05 | 0.75″ | Cass County, NE |
| 03:32 | 0.75″ | Kingfisher County, OK |
| 03:40 | 0.75″ | Noble County, OK |
| 03:46 | 0.75″ | Logan County, OK |
| 03:50 | 0.75″ | Columbiana County, OH |
| 03:55 | 0.75″ | Adams County, IL |
| 04:25 | 0.75″ | Beaver County, PA |
| 04:35 | 0.75″ | Columbiana County, OH |
| 04:46 | 0.75″ | Allegheny County, PA |
| 06:10 | 0.75″ | Somerset County, PA |
| 06:55 | 0.75″ | Ottawa County, OK |
| 09:24 | 0.75″ | Sumner County, KS |
Damage, injuries and deaths
National Weather Service offices recorded about $2.8 million in property damage and 1 injury from hail, thunderstorm wind and tornadoes across the US on this storm day (160 events in 8 states). Injuries and deaths are those the events caused directly.
| County | Events | Injuries | Deaths | Property damage |
|---|---|---|---|---|
| Noble County, OK | 1 | 1 | 0 | $30,000 |
| Garfield County, OK | 5 | 0 | 0 | $1.5 million |
| Kingfisher County, OK | 3 | 0 | 0 | $1 million |
| Howard County, NE | 2 | 0 | 0 | $120,000 |
| Butler County, KS | 1 | 0 | 0 | $60,000 |
| Pawnee County, OK | 2 | 0 | 0 | $14,000 |
| Decatur County, IA | 1 | 0 | 0 | $5,000 |
| Payne County, OK | 1 | 0 | 0 | $5,000 |
| Allegheny County, PA | 1 | 0 | 0 | $3,000 |
| Westmoreland County, PA | 1 | 0 | 0 | $3,000 |
| Mayes County, OK | 2 | 0 | 0 | $2,000 |
| Phelps County, NE | 1 | 0 | 0 | $2,000 |
What the National Weather Service wrote
- Butler County, KS (near Cassoday) · Hail 2.50″ · $60,000
“Tennis ball-sized hail damaged 5 vehicles and inflicted roof damage to several houses.” - Pawnee County, OK (near Hallett) · Thunderstorm wind 76 mph · $13,000
“Winds estimated near 75 mph blew down trees, power lines and highway signs in and near Hallett. A roof was blown off of a home east of Hallett.” - Allegheny County, PA (near Edgeworth) · Thunderstorm wind 58 mph · $3,000
“Thunderstorm winds downed several large trees.” - Westmoreland County, PA (near Trees Mills) · Thunderstorm wind 58 mph · $3,000
“Thunderstorm winds downed several trees.” - Mayes County, OK (near Adair) · Thunderstorm wind · $2,000
“Shingles were blown off of several roofs in Adair.” - Beaver County, PA (near Independence) · Thunderstorm wind 58 mph · $1,000
“A large tree was blown down by thunderstorm winds.”
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
Hail check for any US address
Every day since October 2019 that radar estimated hail near the address, free.
Guide: How to check if it hailed at your address · Free hail alerts by email · As you type, the text is sent to Google to suggest addresses.