Storm reports for August 21, 2017
NOAA recorded 26 hail reports, 41 wind reports and 2 tornado reports in 12 states on August 21, 2017.
- in 12 states
- 69
- Storm reports
- About 51 miles from Sioux Falls, SD
- 2.0 in
- Largest hail
- About 51 miles from Topeka, KS
- 81 mph
- Highest gust
- Highest rating EF0, about 27 miles from Des Moines, IA
- 2
- Tornado reports
Hail, inches
- 0.75
- 1
- 1.5
- 2
- 2.5
- 3+
Dots: reports.
- Wind report
- Tornado and its path
- Surveyed tornado path
Hail, inches
- 0.75
- 1
- 1.5
- 2
- 2.5
- 3+
Dots: reports.
- Wind report
- Tornado and its path
- Surveyed tornado path
Source: NOAA/NWS Storm Prediction Center, final severe weather database (from NOAA's Storm Data). Report day: 12:00 UTC on August 21, 2017 to 12:00 UTC the next day. Times are Central.
Select a dot or a path for the report. NWS survey teams walked the shaded paths after the storm; each is drawn at the widest width they found, so it can look wider than the damage at any one spot.
Reports by hour
Hail26, most at 12 PM
Wind41, most at 4 PM
Tornado2, most at 5 PM
Every report
Source: NOAA/NWS Storm Prediction Center.
| Time | Rating | Where | Path |
|---|---|---|---|
| 5:52 PM | EF0 | About 27 miles from Des Moines, IA | 3.28 mi long, 80 yd wide |
| 5:58 PM | EF0 | About 26 miles from Des Moines, IA | 1.08 mi long, 10 yd wide |
| Time | Size | Where |
|---|---|---|
| 7:38 AM | 1.75 in | Near 44.92, -97.17, SD |
| 8:58 AM | 1.75 in | Near 44.36, -100.38, SD |
| 9:20 AM | 1.5 in | Near 44.16, -100.09, SD |
| 9:30 AM | 1.0 in | Near 44.22, -100.13, SD |
| 10:20 AM | 1.0 in | Near 43.76, -99.75, SD |
| 10:45 AM | 1.0 in | Near 43.71, -99.53, SD |
| 11:00 AM | 1.5 in | Near 43.65, -99.32, SD |
| 11:06 AM | 0.88 in | About 25 miles from Sioux Falls, SD |
| 11:48 AM | 1.0 in | About 29 miles from Sioux Falls, SD |
| 11:57 AM | 0.88 in | About 51 miles from Sioux Falls, SD |
| 12:05 PM | 1.75 in | Near 43.50, -98.63, SD |
| 12:05 PM | 1.75 in | Near 43.50, -98.63, SD |
Show all 26 hail reportsShow fewer
| Time | Size | Where |
|---|---|---|
| 12:25 PM | 0.88 in | Near 43.43, -98.41, SD |
| 12:53 PM | 1.0 in | About 23 miles from Sioux Falls, SD |
| 12:55 PM | 2.0 in | About 51 miles from Sioux Falls, SD |
| 1:06 PM | 1.75 in | About 46 miles from Sioux Falls, SD |
| 1:36 PM | 1.0 in | About 56 miles from Sioux Falls, SD |
| 2:10 PM | 1.0 in | About 8 miles from Baltimore, MD |
| 2:38 PM | 0.75 in | About 40 miles from Toledo, OH |
| 2:39 PM | 1.0 in | About 40 miles from Toledo, OH |
| 2:55 PM | 1.0 in | About 8 miles from Baltimore, MD |
| 3:09 PM | 1.0 in | About 9 miles from Youngstown, OH |
| 3:26 PM | 1.0 in | About 46 miles from Cleveland, OH |
| 4:21 PM | 1.0 in | About 5 miles from Kansas City, MO |
| 5:07 PM | 1.0 in | Near 42.60, -98.00, NE |
| 7:46 PM | 0.75 in | About 30 miles from Wichita, KS |
| Time | Gust | Where |
|---|---|---|
| 9:01 AM | 70 mph | Near 44.06, -100.46, SD |
| 9:31 AM | 60 mph | About 18 miles from Kansas City, MO |
| 9:41 AM | 62 mph | Near 43.93, -100.29, SD |
| 10:20 AM | 64 mph | Near 43.76, -99.75, SD |
| 12:00 PM | 60 mph | Near 41.01, -78.44, PA |
| 12:10 PM | 60 mph | Near 43.43, -98.40, SD |
| 12:46 PM | 60 mph | Near 39.44, -88.21, IL |
| 2:19 PM | 58 mph | About 11 miles from Washington, DC |
| 2:45 PM | 64 mph | About 59 miles from Sioux Falls, SD |
| 2:50 PM | 58 mph | About 39 miles from Pittsburgh, PA |
| 3:04 PM | 58 mph | About 25 miles from Washington, DC |
| 3:52 PM | 58 mph | About 29 miles from Washington, DC |
Show all 41 wind reportsShow fewer
| Time | Gust | Where |
|---|---|---|
| 3:56 PM | 58 mph | About 32 miles from Washington, DC |
| 4:02 PM | 58 mph | About 46 miles from Washington, DC |
| 4:04 PM | 58 mph | About 37 miles from Washington, DC |
| 4:06 PM | 58 mph | About 46 miles from Washington, DC |
| 4:10 PM | 63 mph | About 28 miles from Binghamton, NY |
| 4:51 PM | 58 mph | About 55 miles from Washington, DC |
| 4:52 PM | 58 mph | About 5 miles from Lynchburg, VA |
| 5:15 PM | 58 mph | About 8 miles from Lubbock, TX |
| 5:19 PM | 59 mph | About 43 miles from Lubbock, TX |
| 5:28 PM | 60 mph | About 17 miles from Reading, PA |
| 5:35 PM | 58 mph | Near 38.36, -77.95, VA |
| 6:15 PM | 70 mph | Near 38.90, -93.13, MO |
| 6:40 PM | 70 mph | Near 38.87, -92.85, MO |
| 6:59 PM | 58 mph | About 9 miles from Hagerstown, MD |
| 6:59 PM | 58 mph | About 9 miles from Hagerstown, MD |
| 7:05 PM | 60 mph | About 44 miles from Cedar Rapids, IA |
| 7:30 PM | 58 mph | Near 34.27, -100.60, TX |
| 7:49 PM | 58 mph | About 17 miles from Hagerstown, MD |
| 8:17 PM | 70 mph | About 13 miles from Topeka, KS |
| 8:40 PM | 60 mph | About 17 miles from Topeka, KS |
| 8:42 PM | 70 mph | About 18 miles from Topeka, KS |
| 8:45 PM | 64 mph | About 2 miles from Wichita, KS |
| 9:21 PM | 58 mph | About 51 miles from Topeka, KS |
| 9:21 PM | 81 mph | About 51 miles from Topeka, KS |
| 9:21 PM | 81 mph | About 51 miles from Topeka, KS |
| 9:23 PM | 70 mph | About 19 miles from Topeka, KS |
| 9:39 PM | 60 mph | About 24 miles from Topeka, KS |
| 10:00 PM | 63 mph | About 25 miles from Kansas City, MO |
| 11:17 PM | 81 mph | Near 38.08, -95.63, KS |
By state
Cities with reports nearby
Reports within 15 miles of the center of each city we track.
| City | Largest hail | Highest gust | Tornado reports |
|---|---|---|---|
| Baltimore, MD | 1.0 in | None | 0 |
| Kansas City, MO | 1.0 in | None | 0 |
| Youngstown, OH | 1.0 in | None | 0 |
| Hagerstown, MD | None | 58 mph | 0 |
| Lubbock, TX | None | 58 mph | 0 |
| Lynchburg, VA | None | 58 mph | 0 |
| Topeka, KS | None | 70 mph | 0 |
| Washington, DC | None | 58 mph | 0 |
| Wichita, KS | None | 64 mph | 0 |
Reports are what observers recorded near a location, not a complete record of every storm. They don’t describe conditions at any building.