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U.S. Storm Day Summary

U.S. Hail and Wind Summary for August 21, 2024

Aug 21, 2024 | United States | 2024-08-21 national severe weather summary

National storm summary for August 21, 2024: 18 hail reports and 29 wind/tornado reports across 7 states. Peak hail reached 2.50 in and peak wind reached 67 mph.

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Impacted Places

6 S Needles, CA8 WNW Tucson, AZ13 NNW Sansarc, SD5 W Chino Valley, AZ2 NW Willcox, AZ6 SSW Gering, NE1 NNW Nemo, SD8 SE Loma, MT8 ESE Ottumwa, SD5 S Bunker, SD10 S Vida, MT5 SSW Vida, MT1 S Colstrip, MT10 NNE Circle, MT11 SW Richey, MT4 NW Murdo, SD8 SSE Van Metre, SD5 N Volborg, MT5 SE Capa, SD11 NW Willcox, AZ6 SW Gering, NE11 SSW Oelrichs, SD2 W Gering, NE7 E Geyser, MT

Hail Stats

Max Report
2.50 in
Reports
18
Severe Reports
18

Wind Stats

Max Gust
67 mph
Reports
29
Tornado Reports
1

Ring Impact (1mi / 3mi / 10mi)

hail

Events within 1 mile
18
Events within 3 miles
22
Events within 10 miles
27
Severe days within 10 miles
1
Max within 10 miles
2.50 in

wind

Events within 1 mile
29
Events within 3 miles
35
Events within 10 miles
44
Severe days within 10 miles
1
Max within 10 miles
67 mph

Verified Event Log (5-Year Window)

DateHazardIntensityDistanceLocationSource
2024-08-21hail2.50 in-4 NW Murdo, SDNOAA SPC
2024-08-21hail2.50 in-5 N Volborg, MTNOAA SPC
2024-08-21hail2.00 in-8 ESE Ottumwa, SDNOAA SPC
2024-08-21hail2.00 in-11 SW Richey, MTNOAA SPC
2024-08-21hail1.75 in-6 SSW Gering, NENOAA SPC
2024-08-21hail1.50 in-2 NW Willcox, AZNOAA SPC
2024-08-21hail1.50 in-5 S Bunker, SDNOAA SPC
2024-08-21hail1.50 in-5 SE Capa, SDNOAA SPC
2024-08-21hail1.25 in-8 WNW Tucson, AZNOAA SPC
2024-08-21hail1.00 in-5 W Chino Valley, AZNOAA SPC
2024-08-21hail1.00 in-8 WNW Tucson, AZNOAA SPC
2024-08-21hail1.00 in-1 NNW Nemo, SDNOAA SPC
2024-08-21hail1.00 in-8 SE Loma, MTNOAA SPC
2024-08-21hail1.00 in-10 S Vida, MTNOAA SPC
2024-08-21hail1.00 in-5 SSW Vida, MTNOAA SPC
2024-08-21hail1.00 in-1 S Colstrip, MTNOAA SPC
2024-08-21hail1.00 in-10 NNE Circle, MTNOAA SPC
2024-08-21hail1.00 in-8 SSE Van Metre, SDNOAA SPC
2024-08-21tornadoTornado UNK-8 N Benson, AZNOAA SPC
2024-08-21wind67 mph-5 ESE Hoyt, MTNOAA SPC
2024-08-21wind66 mph-6 S Needles, CANOAA SPC
2024-08-21wind66 mph-3 W Farmington, NMNOAA SPC
2024-08-21wind65 mph-13 NNW Sansarc, SDNOAA SPC
2024-08-21wind64 mph-1 ENE Harrold, SDNOAA SPC

Golf ball to tennis ball size hail. (ABR)

Report from Facebook. (BYZ)

(UNR)

Corrects previous hail report from 11 SW Richey. Report from mPING: Ping Pong Ball (1.50 in.). (GGW)

Half dollar to golf ball sized hail reported by chaser between County Road 17 and Highway 71. (CYS)

Video on social media showing accumulating hail with the biggest hailstone being 1.5 inches in diameter. Another video at same location showed damage to car windshield (TWC)

Marble to Ping Pong Ball sized hail reported to have fallen. (ABR)

(ABR)

Report Highlights

  • 18 hail reports were logged nationwide on August 21, 2024.
  • The largest hail report reached 2.50 in.
  • 29 wind/tornado reports were logged nationwide on August 21, 2024.
  • 1 tornado reports were included in this day summary.

Data & Methodology

Noaa Spc
47
  • Derived from NOAA SPC daily severe weather reports.

Explore More Reports

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Day Summary Archives

Recent Day Summaries

Timeline

  1. 2024-08-21T23:46:00Z

    Wind 60 mph

    60 mph thunderstorm wind gust at Geyser AWOS. (TFX)

  2. 2024-08-21T23:45:00Z

    Wind 60 mph

    KEED ASOS measured a peak wind gust to 60 mph as thunderstorm approached from the south. Blowing dust also noted on nearby webcam. (VEF)

  3. 2024-08-21T23:34:00Z

    Wind 62 mph

    Scottsbluff RAWS site. (CYS)

  4. 2024-08-21T23:31:00Z

    Tornado Tornado UNK

    Storm chaser live streamed video of tornado on mountain in the distant. Exact location of tornado estimated by radar. (TWC)

  5. 2024-08-21T23:30:00Z

    Wind 62 mph

    (UNR)

  6. 2024-08-21T23:14:00Z

    Hail 1.75 in

    Half dollar to golf ball sized hail reported by chaser between County Road 17 and Highway 71. (CYS)

  7. 2024-08-21T22:55:00Z

    Wind 60 mph

    Chaser reported 50-60 mph microburst winds. (CYS)

  8. 2024-08-21T22:28:00Z

    Wind 58 mph

    Personal weather station recorded gust to 58 MPH. (TWC)

  9. 2024-08-21T22:25:00Z

    Hail 1.50 in

    Video on social media showing accumulating hail with the biggest hailstone being 1.5 inches in diameter. Another video at same location showed damage to car windshield (TWC)

  10. 2024-08-21T19:23:00Z

    Hail 1.25 in

    Trained spotter reported 1.25 inch accumulating hail. (TWC)

  11. 2024-08-21T19:21:00Z

    Hail 1.00 in

    Report from trained spotter of accumulating 1 inch hail. (TWC)

  12. 2024-08-21T19:11:00Z

    Hail 1.00 in

    Report from mPING: Quarter (1.00 in.). (FGZ)