Preliminary NWS reports for Austin on May 9, 2024 via the Storm Prediction Center. NCEI check for Austin on May 9, 2024: NCEI final record: confirmed (StormEvents_details-ftp_v1.0_d2024_c20260728.csv.gz, compiled July 28, 2026). The Austin record that holds May 9, 2024 last changed October 13, 2026.
The Day In Numbers
| Reports of 1 inch or larger | 16 |
|---|---|
| Counties reporting | 2: Hays, Williamson |
| Largest stone (inches) | 3 |
| Reports 1.75 inches or larger | 11 |
For Austin, the Storm Prediction Center date runs from 12:00 UTC on May 9, 2024 to 12:00 UTC the next day, soAustin reports timed 00:00 to 11:59 UTC happened on the evening of May 9, 2024 in Texas. For Austin on May 9, 2024, stone size is the diameter in inches as reported to the National Weather Service.
Every Report
| Time (UTC) | Size (inches) | Location | County |
|---|---|---|---|
| 00:44 | 2.75 | 2 SSW Henly | Hays |
| 01:04 | 3 | 4 NNW Woodcreek | Hays |
| 01:07 | 2.5 | 1 WNW Woodcreek | Hays |
| 01:14 | 2.5 | 3 ENE Wimberley | Hays |
| 01:15 | 2 | 2 NE Wimberley | Hays |
| 01:15 | 2 | 2 WNW Woodcreek | Hays |
| 01:25 | 1 | Andice | Williamson |
| 01:27 | 3 | 4 WNW San Marcos | Hays |
| 01:29 | 2.5 | San Marcos | Hays |
| 01:30 | 1.25 | 3 WSW San Marcos | Hays |
| 01:36 | 2 | 1 W San Marcos | Hays |
| 01:38 | 2 | San Marcos | Hays |
| 01:42 | 1 | Georgetown | Williamson |
| 01:43 | 1.25 | 2 NW Serenada | Williamson |
| 01:46 | 1 | 2 E Serenada | Williamson |
| 02:11 | 1.75 | Taylor | Williamson |
Largest Report On May 9, 2024
The largest stone reported on May 9, 2024 was 3 inches at 4 NNW Woodcreek, Hays County, timed 01:04 UTC.2 Austin reports on May 9, 2024 tied at 3 inches, and this is the earliest of them. The note the Austin area forecast office attached to it on May 9, 2024 reads: “(EWX)”
Reports By County On May 9, 2024
| County | Reports | Largest (inches) | Sizes in report order (inches) |
|---|---|---|---|
| Hays | 11 | 3 | 2.75, 3, 2.5, 2.5, 2, 2, 3, 2.5, 1.25, 2, 2 |
| Williamson | 5 | 1.75 | 1, 1, 1.25, 1, 1.75 |
The 16 reports on May 9, 2024 were spread over 2 counties, and Hays County held the largest stone at 3 inches. Hays County logged 11 reports with a largest stone of 3 inches on May 9, 2024. Williamson County logged 5 reports with a largest stone of 1.75 inches on May 9, 2024.
What The Reporters Wrote
- 00:44 UTC, 2 SSW Henly, Hays County, 2.75 inches: (EWX)
- 01:04 UTC, 4 NNW Woodcreek, Hays County, 3 inches: (EWX)
- 01:07 UTC, 1 WNW Woodcreek, Hays County, 2.5 inches: (EWX)
- 01:14 UTC, 3 ENE Wimberley, Hays County, 2.5 inches: (EWX)
- 01:15 UTC, 2 NE Wimberley, Hays County, 2 inches: mPING report; (EWX)
- 01:15 UTC, 2 WNW Woodcreek, Hays County, 2 inches: (EWX)
- 01:25 UTC, Andice, Williamson County, 1 inch: Delayed report and radar estimated time; (EWX)
- 01:27 UTC, 4 WNW San Marcos, Hays County, 3 inches: San Marcos Academy; (EWX)
- 01:29 UTC, San Marcos, Hays County, 2.5 inches: 2.5 inch hail observed near the Outlets in San Marcos; (EWX)
- 01:30 UTC, 3 WSW San Marcos, Hays County, 1.25 inches: (EWX)
- 01:36 UTC, 1 W San Marcos, Hays County, 2 inches: Several home windows broken and solar panel destroyed by wind-blown hail at home of retired law enforcement officer; Max hail size 2 inches; Report relayed by meteorolo (EWX)
- 01:38 UTC, San Marcos, Hays County, 2 inches: Report from mPING Hen Egg (2.00 in.) Time estimated from radar; (EWX)
- 01:42 UTC, Georgetown, Williamson County, 1 inch: (EWX)
- 01:43 UTC, 2 NW Serenada, Williamson County, 1.25 inches: ARES Net reported hail up to half dollar size in the Sun City area; (EWX)
- 01:46 UTC, 2 E Serenada, Williamson County, 1 inch: Report from mPING; (EWX)
- 02:11 UTC, Taylor, Williamson County, 1.75 inches: Golf ball sized hail reported by Taylor TX emergency manager; (EWX)
Other Hail Days Within 30 Days Of May 9, 2024
3 other days in the Austin record had hail of 1 inch or larger within 30 days of May 9, 2024. A Austin roof hit on May 9, 2024 and again on one of these dates can carry damage from both, which matters when a claim is filed for only one date.
- Austin, 19 days before May 9, 2024: April 20, 2024, 1 report, largest 1 inch.
- Austin, 21 days after May 9, 2024: May 30, 2024, 6 reports, largest 4 inches.
- Austin, 30 days before May 9, 2024: April 9, 2024, 33 reports, largest 2.5 inches.
Re-Roof Permits In The 30 Days After May 9, 2024
The City of Austin permit file lists 39 re-roof permits issued from May 10, 2024 to June 8, 2024, the 30 days after May 9, 2024. For scale, the same file averages about 45 per 30 days from October 11, 2023 to October 9, 2026, so the May 9, 2024 window came in below that average. The 39 City of Austin permits counted after May 9, 2024 include every re-roof permit in that window, not only roofs hit by hail, and a permit shows work that was filed, not that hail caused it. Dataset for the City of Austin count after May 9, 2024: https://data.austintexas.gov/resource/3syk-w9eu, City of Austin, Issued Construction Permits (Austin Open Data), loaded through October 9, 2026.
Reading A Preliminary Record Against The Final One
The reports above come from the Storm Prediction Center file for Austin on May 9, 2024, pulled October 13, 2026. The Austin file for May 9, 2024 is preliminary: forecast offices logged its 16 reports as they arrived, and a spotter, a broadcaster or a social media post can each be the source. The NCEI Storm Events record is the reviewed version, and for Austin on May 9, 2024 it is checked against a file that reaches June 2, 2026, 754 days later. For May 9, 2024 in Austin the NCEI record does list hail, so a reviewed entry exists for this date. Sizes and counts for Austin on May 9, 2024 can still differ between the two records, so use the NCEI entry when the two disagree.
If Your Roof Was Under This
Compare the Austin report locations for May 9, 2024 with your address, then get a documented inspection before you file anything. See the Austin hail history for how May 9, 2024 compares. For a Austin roof after May 9, 2024, the hail claim calculator shows whether a claim nets anything after your deductible. Before you sign anything in Austin after May 9, 2024, use the check-a-roofer guide. For a Austin roof hit on May 9, 2024, chapter 707 bars a Texas contractor from negotiating the claim for you. After May 9, 2024, see the Austin roofing company ranking and the company directory.
Previous storm day: April 9, 2024 | Next storm day: May 30, 2024 | All Austin storm days | Earliest storm day: April 1, 2024 | Latest storm day: May 19, 2026
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Sources
- NOAA Storm Prediction Center, preliminary local storm reports for Austin on May 9, 2024, pulled October 13, 2026, preliminary and subject to review. https://www.spc.noaa.gov/climo/reports/240509_rpts.html.
- NOAA National Centers for Environmental Information, Storm Events Database bulk files, the record the Austin May 9, 2024 status line above checks (record reaches June 2, 2026, pulled October 13, 2026, reviewed record). https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/.
- City of Austin, Issued Construction Permits (Austin Open Data), re-roof permit file, loaded through October 9, 2026, used for the 39 permits counted after May 9, 2024. https://data.austintexas.gov/resource/3syk-w9eu.