Preliminary NWS reports for San Antonio on April 20, 2024 via the Storm Prediction Center. NCEI check for San Antonio on Apr 20, 2024: NCEI final record: confirmed (StormEvents_details-ftp_v1.0_d2024_c20260728.csv.gz, compiled July 28, 2026). The San Antonio record that holds Apr 20, 2024 last changed October 17, 2026.
The Day In Numbers
| Reports of 1 inch or larger | 13 |
|---|---|
| Counties reporting | 2: Bexar, Comal |
| Largest stone (inches) | 2 |
| Reports 1.75 inches or larger | 3 |
For San Antonio, the Storm Prediction Center date runs from 12:00 UTC on April 20, 2024 to 12:00 UTC the next day, soSan Antonio reports timed 00:00 to 11:59 UTC happened on the evening of April 20, 2024 in Texas. For San Antonio on Apr 20, 2024, stone size is the diameter in inches as reported to the National Weather Service.
Every Report
| Time (UTC) | Size (inches) | Location | County |
|---|---|---|---|
| 05:18 | 1 | 2 SE The Dominion | Bexar |
| 05:22 | 1 | 3 WSW Timberwood Park | Bexar |
| 05:23 | 2 | 3 NW Timberwood Park | Bexar |
| 05:25 | 1 | 3 N Hollywood Park | Bexar |
| 05:25 | 1 | 3 SE Timberwood Park | Bexar |
| 05:28 | 1.5 | 2 ESE Timberwood Park | Bexar |
| 05:29 | 1.25 | 2 SE Timberwood Park | Bexar |
| 05:29 | 1 | 5 WNW New Braunfels | Comal |
| 05:30 | 1.75 | 1 SW Timberwood Park | Bexar |
| 05:31 | 1.5 | 3 WNW New Braunfels | Comal |
| 05:32 | 2 | 3 ESE Bulverde | Bexar |
| 05:52 | 1 | 5 WNW New Braunfels | Comal |
| 05:59 | 1 | 5 NE New Braunfels | Comal |
Largest Report On April 20, 2024
The largest stone reported on April 20, 2024 was 2 inches at 3 NW Timberwood Park, Bexar County, timed 05:23 UTC.2 San Antonio reports on Apr 20, 2024 tied at 2 inches, and this is the earliest of them. The note the San Antonio area forecast office attached to it on April 20, 2024 reads: “Up to 2 inch hail estimated at intersection of Blanco Rd and Specht Rd; time estimated via radar; (EWX)”
Reports By County On Apr 20, 2024
| County | Reports | Largest (inches) | Sizes in report order (inches) |
|---|---|---|---|
| Bexar | 9 | 2 | 1, 1, 2, 1, 1, 1.5, 1.25, 1.75, 2 |
| Comal | 4 | 1.5 | 1, 1.5, 1, 1 |
The 13 reports on April 20, 2024 were spread over 2 counties, and Bexar County held the largest stone at 2 inches. Bexar County logged 9 reports with a largest stone of 2 inches on April 20, 2024. Comal County logged 4 reports with a largest stone of 1.5 inches on April 20, 2024.
What The Reporters Wrote
- 05:18 UTC, 2 SE The Dominion, Bexar County, 1 inch: Time estimated via radar; (EWX)
- 05:22 UTC, 3 WSW Timberwood Park, Bexar County, 1 inch: Intersection of Winspirit and Bobbins Ridge; time estimated via radar; (EWX)
- 05:23 UTC, 3 NW Timberwood Park, Bexar County, 2 inches: Up to 2 inch hail estimated at intersection of Blanco Rd and Specht Rd; time estimated via radar; (EWX)
- 05:25 UTC, 3 N Hollywood Park, Bexar County, 1 inch: Intersection of Hardy Oak Blvd and Stone Oak Pkwy; time estimated via radar; (EWX)
- 05:25 UTC, 3 SE Timberwood Park, Bexar County, 1 inch: (EWX)
- 05:28 UTC, 2 ESE Timberwood Park, Bexar County, 1.5 inches: Intersection of Sparrow Ridge and Trinity Ct; time estimated via radar; (EWX)
- 05:29 UTC, 2 SE Timberwood Park, Bexar County, 1.25 inches: (EWX)
- 05:29 UTC, 5 WNW New Braunfels, Comal County, 1 inch: (EWX)
- 05:30 UTC, 1 SW Timberwood Park, Bexar County, 1.75 inches: (EWX)
- 05:31 UTC, 3 WNW New Braunfels, Comal County, 1.5 inches: (EWX)
- 05:32 UTC, 3 ESE Bulverde, Bexar County, 2 inches: (EWX)
- 05:52 UTC, 5 WNW New Braunfels, Comal County, 1 inch: (EWX)
- 05:59 UTC, 5 NE New Braunfels, Comal County, 1 inch: Social media report of 1 inch hail at intersection of Goodwin Ln and Conrads Rd; time estimated via radar; (EWX)
Other Hail Days Within 30 Days Of Apr 20, 2024
6 other days in the San Antonio record had hail of 1 inch or larger within 30 days of April 20, 2024. A San Antonio roof hit on April 20, 2024 and again on one of these dates can carry damage from both, which matters when a claim is filed for only one date.
- San Antonio, 8 days after Apr 20, 2024: April 28, 2024, 3 reports, largest 1 inch.
- San Antonio, 11 days before Apr 20, 2024: April 9, 2024, 9 reports, largest 1.5 inches.
- San Antonio, 19 days before Apr 20, 2024: April 1, 2024, 11 reports, largest 1.75 inches.
- San Antonio, 23 days after Apr 20, 2024: May 13, 2024, 5 reports, largest 1.5 inches.
- San Antonio, 26 days after Apr 20, 2024: May 16, 2024, 2 reports, largest 1.75 inches.
- San Antonio, 30 days before Apr 20, 2024: March 21, 2024, 7 reports, largest 2.5 inches.
Re-Roof Permits In The 30 Days After Apr 20, 2024
The City of San Antonio permit file lists 609 re-roof permits issued from April 21, 2024 to May 20, 2024, the 30 days after April 20, 2024. For scale, the same file averages about 413 per 30 days from November 30, 2020 to September 25, 2026, so the Apr 20, 2024 window came in above that average. The 609 City of San Antonio permits counted after April 20, 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 San Antonio count after April 20, 2024: https://data.sanantonio.gov/dataset/building-permits, City of San Antonio, Development Services Department, loaded through September 25, 2026.
Reading A Preliminary Record Against The Final One
The reports above come from the Storm Prediction Center file for San Antonio on April 20, 2024, pulled October 17, 2026. The San Antonio file for Apr 20, 2024 is preliminary: forecast offices logged its 13 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 San Antonio on Apr 20, 2024 it is checked against a file that reaches May 26, 2026, 766 days later. For April 20, 2024 in San Antonio the NCEI record does list hail, so a reviewed entry exists for this date. Sizes and counts for San Antonio on Apr 20, 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 San Antonio report locations for April 20, 2024 with your address, then get a documented inspection before you file anything. See the San Antonio hail history for how Apr 20, 2024 compares. For a San Antonio roof after April 20, 2024, the hail claim calculator shows whether a claim nets anything after your deductible. Before you sign anything in San Antonio after Apr 20, 2024, use the check-a-roofer guide. For a San Antonio roof hit on April 20, 2024, chapter 707 bars a Texas contractor from negotiating the claim for you. After Apr 20, 2024, see the San Antonio roofing company ranking and the company directory.
Previous storm day: April 9, 2024 | Next storm day: April 28, 2024 | All San Antonio storm days | Earliest storm day: January 23, 2024 | Latest storm day: September 11, 2026
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Sources
- NOAA Storm Prediction Center, preliminary local storm reports for San Antonio on April 20, 2024, pulled October 17, 2026, preliminary and subject to review. https://www.spc.noaa.gov/climo/reports/240420_rpts.html.
- NOAA National Centers for Environmental Information, Storm Events Database bulk files, the record the San Antonio April 20, 2024 status line above checks (record reaches May 26, 2026, pulled October 17, 2026, reviewed record). https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/.
- City of San Antonio, Development Services Department, re-roof permit file, loaded through September 25, 2026, used for the 609 permits counted after April 20, 2024. https://data.sanantonio.gov/dataset/building-permits.