U.S. Storm Day Summary
U.S. Hail and Wind Summary for April 21, 2021
Apr 21, 2021 | United States | 2021-04-21 national severe weather summary
National storm summary for April 21, 2021: 8 hail reports and 0 wind/tornado reports across 4 states. Peak hail reached 1.00 in and peak wind reached none measured.
Already have access? Open live map.
Impacted Places
Hail Stats
- Max Report
- 1.00 in
- Reports
- 8
- Severe Reports
- 8
Wind Stats
- Reports
- 0
- Tornado Reports
- 0
Ring Impact (1mi / 3mi / 10mi)
hail
- Events within 1 mile
- 8
- Events within 3 miles
- 10
- Events within 10 miles
- 12
- Severe days within 10 miles
- 1
- Max within 10 miles
- 1.00 in
wind
- Events within 1 mile
- 0
- Events within 3 miles
- 0
- Events within 10 miles
- 0
- Severe days within 10 miles
- 0
- Max within 10 miles
- -
Verified Event Log (5-Year Window)
| Date | Hazard | Intensity | Distance | Location | Source |
|---|---|---|---|---|---|
| 2021-04-21 | hail | 1.00 in | - | 1 S BOYERTOWN, PA | NOAA SPC |
| 2021-04-21 | hail | 1.00 in | - | 3 SE CHURCH HILL, MD | NOAA SPC |
| 2021-04-21 | hail | 1.00 in | - | SEAFORD, DE | NOAA SPC |
| 2021-04-21 | hail | 1.00 in | - | BRIDGEVILLE, DE | NOAA SPC |
| 2021-04-21 | hail | 1.00 in | - | SEAFORD, DE | NOAA SPC |
| 2021-04-21 | hail | 1.00 in | - | BRIDGEVILLE, DE | NOAA SPC |
| 2021-04-21 | hail | 1.00 in | - | 2 NW BERKELEY TWP, NJ | NOAA SPC |
| 2021-04-21 | hail | 1.00 in | - | MILLVILLE, NJ | NOAA SPC |
(PHI)
(PHI)
TIME ESTIMATED FROM RADAR. (PHI)
TIME ESTIMATED FROM RADAR. (PHI)
(PHI)
(PHI)
AN MPING REPORT OF QUARTER SIZE HAIL. TIME ESTIMATED FROM RADAR. (PHI)
(PHI)
Report Highlights
- 8 hail reports were logged nationwide on April 21, 2021.
- The largest hail report reached 1.00 in.
- 0 wind/tornado reports were logged nationwide on April 21, 2021.
- 0 tornado reports were included in this day summary.
Data & Methodology
- Noaa Spc
- 8
- Derived from NOAA SPC daily severe weather reports.
Explore More Reports
Browse Storm Indexes
Day Summary Archives
Recent Day Summaries
- Mar 7, 2026 · U.S. Hail and Wind Summary for March 7, 2026
- Mar 6, 2026 · U.S. Hail and Wind Summary for March 6, 2026
- Mar 5, 2026 · U.S. Hail and Wind Summary for March 5, 2026
- Mar 4, 2026 · U.S. Hail and Wind Summary for March 4, 2026
- Mar 3, 2026 · U.S. Hail and Wind Summary for March 3, 2026
- Mar 1, 2026 · U.S. Hail and Wind Summary for March 1, 2026
- Feb 28, 2026 · U.S. Hail and Wind Summary for February 28, 2026
- Feb 26, 2026 · U.S. Hail and Wind Summary for February 26, 2026
Timeline
2021-04-21T18:23:00Z
Hail 1.00 in
(PHI)
2021-04-21T18:22:00Z
Hail 1.00 in
AN MPING REPORT OF QUARTER SIZE HAIL. TIME ESTIMATED FROM RADAR. (PHI)
2021-04-21T18:14:00Z
Hail 1.00 in
(PHI)
2021-04-21T18:14:00Z
Hail 1.00 in
(PHI)
2021-04-21T18:12:00Z
Hail 1.00 in
TIME ESTIMATED FROM RADAR. (PHI)
2021-04-21T18:12:00Z
Hail 1.00 in
TIME ESTIMATED FROM RADAR. (PHI)
2021-04-21T17:20:00Z
Hail 1.00 in
(PHI)
2021-04-21T16:22:00Z
Hail 1.00 in
(PHI)