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Storm detail

Nationwide Daily Hail, Wind & Tornado Map - August 19, 2026

Hail as large as 3.00 inches was reported near 8 miles south-southwest of Thurman, CO. Wind up to 94 mph was reported near 6 miles north-northwest of Greeley, NE. 7 tornadoes were reported, including one near 4 miles north-northwest of Yorktown, IN. The storm had 19 official hail reports.

Affected statesAL, AR, AZ, CO, FL, GA, IA, IL, IN, KS, KY, LA, ME, MO, MS, NE, NM, OH, SC, SD, TN, UT, VA, WY
Peak hail4.65 in
Reports19 official · 39 unofficial
Storm attributesHail · Wind · Tornado
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Core ReplayIncluded
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Includes HailMapr Core Replay for step-by-step storm playback across the event window.

HailMapr validation score

Official score 73.7%

73.7% from 19 official hail reports

14 reports aligned with the mapped swath and estimated hail size

Unofficial score 79.5%

79.5% from 39 unofficial hail reports

31 reports aligned with the mapped swath and estimated hail size

Storm description

Hail as large as 3.00 inches was reported near 8 miles south-southwest of Thurman, CO. Wind up to 94 mph was reported near 6 miles north-northwest of Greeley, NE. 7 tornadoes were reported, including one near 4 miles north-northwest of Yorktown, IN. The storm had 19 official hail reports. The affected area shown on the map covers about 17065.7 square miles.

State storm details

Storm snapshot

Date windowAug 18, 2026 10:00 PM to Aug 20, 2026 1:45 AM CST
Mapped area17065.7 sq mi
Statusready

What you get

  • HailMapr Core Replay with step-by-step hail-track playback
  • Heatmap and polygon package for the event window
  • Trusted hail report validation overlay
  • Owned access that remains even if subscriptions end