1. Executive Summary
Official records around Dallas, TX from June 21, 2026 to September 18, 2026 show 0 NWS warned polygons contained this area[1]. The chronological window runs Aug 26, 2026, 6:22 PM CDT through Sep 11, 2026, 5:50 PM CDT inside a 25-mile radius.
SPC listed 8 ground reports in that radius[2] — hail to 1.75", wind to 60 mph. The nearest SPC report is Unknown at 4 NE Grand Prairie, 5+ mi (11.1) from this area. Nearby NWS mentions numbered 41. Official products named 1 SE Midlothian, 2 ENE Mansfield, 3 N Mansfield, 3 N Pantego, 4 NE Grand Prairie, 4 S Arlington, 4 SSE Arlington[1]. Radar stills below are official NEXRAD composites with warning outlines[3].
The 60 mph figure is the highest wind listed on a warned polygon or nearby mention. That is not a ground-truth point, so it is not mapped.
2. Location
| Location | Dallas, TX |
| Radius | 25 miles |
| Window | June 21, 2026 – September 18, 2026 |
3. Places named in official products
Names from NWS warning text and SPC reports. The map overlays warned polygons and timed SPC points — the same location data we already plot on Dashboard.
| Place | How it was named | When | Map |
|---|---|---|---|
| 1 SE Midlothian | SPC report | Sep 11, 2026, 5:50 PM CDT | Google Maps · |
| 2 ENE Mansfield | SPC report | Sep 11, 2026, 2:40 PM CDT | Google Maps · |
| 3 N Mansfield | SPC report | Sep 11, 2026, 2:30 PM CDT | Google Maps · |
| 3 N Pantego | SPC report | Aug 26, 2026, 6:22 PM CDT | Google Maps · |
| 4 NE Grand Prairie | SPC report | Sep 11, 2026, 2:20 PM CDT | Google Maps · |
| 4 S Arlington | SPC report | Sep 11, 2026, 2:02 PM CDT | Google Maps · |
| 4 SSE Arlington | SPC report | Sep 11, 2026, 2:00 PM CDT | Google Maps · |
Yellow = SPC wind · cyan = hail · red = tornado. Size follows magnitude, same as Dashboard. Reports that share a point are spread so each report shows. Red teardrop = search location. Click a product for the clock.
4. NWS Warning Polygon Exposure
These NWS warnings contained this area. Nearby mentions are a separate layer and are not shown as containment.
| Type | Issued | Expires | Coverage | Hail | Wind | Source |
|---|---|---|---|---|---|---|
| No official warned polygons contained this area in the window. | ||||||
5. Nearby NWS mentions
These products mentioned the area but did not contain this area.
| Issued | Type | Headline | Area | Hail | Wind |
|---|---|---|---|---|---|
| Sep 11, 2026, 7:18 PM CDT | hail | hail | Collin | — | 50 mph |
| Sep 11, 2026, 6:19 PM CDT | hail | hail | Dallas | — | 50 mph |
| Sep 11, 2026, 6:18 PM CDT | hail | hail | Tarrant | — | 40 mph |
| Sep 11, 2026, 6:01 PM CDT | hail | hail | Tarrant | — | 60 mph |
| Sep 11, 2026, 5:49 PM CDT | hail | hail | Dallas | — | 40 mph |
| Sep 11, 2026, 5:37 PM CDT | hail | hail | Tarrant | — | 60 mph |
| Sep 11, 2026, 5:35 PM CDT | hail | hail | Tarrant | — | 50 mph |
| Sep 11, 2026, 5:19 PM CDT | hail | hail | Ellis | — | 60 mph |
| Sep 11, 2026, 5:08 PM CDT | hail | hail | Johnson | — | 50 mph |
| Sep 11, 2026, 2:43 PM CDT | hail | hail | Tarrant | — | 40 mph |
| Sep 11, 2026, 2:29 PM CDT | hail | hail | Dallas | — | 60 mph |
| Sep 11, 2026, 2:15 PM CDT | hail | hail | Dallas | — | 60 mph |
| Sep 11, 2026, 1:55 PM CDT | hail | hail | Dallas | — | 60 mph |
| Sep 11, 2026, 1:51 PM CDT | hail | hail | Tarrant | — | 40 mph |
| Aug 26, 2026, 6:30 PM CDT | hail | hail | Dallas | — | 60 mph |
| Aug 26, 2026, 6:22 PM CDT | hail | hail | Tarrant | — | 60 mph |
6. SPC Ground-Truth Reports (Verified Observations)
Every Storm Prediction Center report inside the radius, including Unknown when SPC listed no measured value. Highest hail and highest wind are marked. Distance rings are from this area, not a finding about a structure.
| Time | Place | Distance | Type | Magnitude | Comments | Source |
|---|---|---|---|---|---|---|
| Sep 11, 2026, 5:50 PM CDT | 1 SE Midlothian | 5+ mi (23.6) | hail | 1" | — | SPC daily[2] |
| Sep 11, 2026, 2:40 PM CDT | 2 ENE Mansfield | 5+ mi (21.9) | wind | Unknown | — | SPC daily[2] |
| Sep 11, 2026, 2:30 PM CDT | 3 N Mansfield | 5+ mi (22.6) | wind | Unknown | — | SPC daily[2] |
| Sep 11, 2026, 2:20 PM CDT | 4 NE Grand Prairie | 5+ mi (11.1) | wind | Unknown | — | SPC daily[2] |
| Sep 11, 2026, 2:02 PM CDT | 4 S Arlington | 5+ mi (21) | hail | 1.75" | — | SPC daily[2] |
| Sep 11, 2026, 2:00 PM CDT | 4 S Arlington | 5+ mi (21.5) | wind | Unknown | — | SPC daily[2] |
| Sep 11, 2026, 2:00 PM CDT | 4 SSE Arlington | 5+ mi (20) | hail | 1" | — | SPC daily[2] |
| Aug 26, 2026, 6:22 PM CDT | 3 N Pantego | 5+ mi (21) | wind | Unknown | — | SPC daily[4] |
7. Hail Analysis & Size Documentation
Largest SPC hail in this radius is 1.75".
| Time | Place | Distance | Size |
|---|---|---|---|
| Sep 11, 2026, 5:50 PM CDT | 1 SE Midlothian | 5+ mi (23.6) | 1" |
| Sep 11, 2026, 2:02 PM CDT | 4 S Arlington | 5+ mi (21) | 1.75" |
| Sep 11, 2026, 2:00 PM CDT | 4 SSE Arlington | 5+ mi (20) | 1" |
8. NEXRAD Radar Imagery & Storm Evolution
Iowa Environmental Mesonet NEXRAD composites along the storm clock — warning issuance and SPC report times[3].
9. Chronological Event Timeline
Official warnings and SPC reports in clock order for the lead storm day. Comments are the official remark, unchanged. Unknown means SPC listed no measured gust.
10. Broader Storm Context & Regional Impact
Other storm days in this same area window with official warned polygons or SPC reports.
| Day | Warned | SPC | Notes |
|---|---|---|---|
| August 26, 2026 | 0 | 1 | 0 warned polygons, 1 SPC report. |
11. Data Sources & Attribution
- National Weather Service — official warned polygons that contained this area.
- NOAA Storm Prediction Center — ground-truth storm reports (daily storm reports).
- Iowa Environmental Mesonet — NEXRAD imagery and warning archive (radar map).
- NOAA / NSSL MRMS MESH — radar-estimated hail size. Not a ground report.
12. Numbered References
- National Weather Service — Official warned polygons and product text that contained this area. NWS home
- NOAA Storm Prediction Center — Ground-truth local storm reports for the lead day. SPC daily storm reports
- Iowa Environmental Mesonet — NEXRAD composites and VTEC warning archive. IEM NEXRAD still
- NOAA Storm Prediction Center — SPC wind at 3 N Pantego SPC daily storm reports