Allen Forensic Weather & Hail Impact Report
This page tracks official NOAA Severe Weather Data Inventory (SWDI) records for Allen. Review historical impact swaths to determine if your neighborhood was subjected to roof-compromising weather.
Did the latest storm hit your roof?
Weather data is tracked by coordinates, not city limits. Enter your exact Allen street address to see if your property falls within a certified damage swath.
Historical Impact Log
Documented severe weather events in the greater Allen area.
| Date of Loss (DOL) | Event Type | Magnitude | Severity | Action |
|---|---|---|---|---|
| 12/26/2024 | đź§Š HAIL | 1.00" | SEVERE | |
| 12/16/2024 | đź§Š HAIL | 1.00" | SEVERE | |
| 12/16/2024 | đź§Š HAIL | 1.00" | SEVERE | |
| 12/16/2024 | đź§Š HAIL | 1.00" | SEVERE | |
| 12/16/2024 | đź§Š HAIL | 1.00" | SEVERE | |
| 12/16/2024 | đź§Š HAIL | 1.00" | SEVERE | |
| 12/16/2024 | đź§Š HAIL | 1.25" | SEVERE | |
| 11/4/2024 | đź§Š HAIL | 1.00" | SEVERE | |
| 11/4/2024 | đź§Š HAIL | 1.00" | SEVERE | |
| 11/4/2024 | đź§Š HAIL | 1.00" | SEVERE |
Forensic Meteorological Assessment: Allen
Look, I’ve been replacing roofs in this part of Texas for over fifteen years, and if there’s one thing I tell every homeowner who just moved here, it’s that Allen sits right in the bullseye of what we call “hail alley.” You see, our location just northeast of Dallas puts us directly in the path of those springtime supercell thunderstorms that roll in from the southwest. As that warm, moist Gulf air collides with the dry, cooler air coming down from the Panhandle, the atmosphere gets so unstable that it just stacks up these massive, towering clouds. And because we’re on the eastern edge of the Metroplex, those storms haven’t had a chance to weaken yet—they’re still carrying their full punch. I’ve pulled golf-ball-sized hail out of gutters here more times than I can count, and when that ice is falling at 60 miles an hour, it doesn’t just ding your shingles; it bruises the matting underneath, which is the part you can’t see but will absolutely cause leaks down the road.
But it’s not just the hail—it’s the wind that comes with it, and that’s where our geography really works against us. Allen is mostly open, rolling prairie with a lot of new developments, which means there aren’t many old-growth trees or hills to break up the wind’s path. When those storm fronts push through, especially during the peak months of April through June, we routinely see straight-line winds of 70 to 80 miles per hour, and I’ve seen microbursts that hit closer to 100. That kind of force gets under the edge of your shingles and just peels them back like a sardine can lid, especially if they were installed during the hot summer and the sealant hasn’t fully bonded yet. And here’s the kicker—our clay-heavy soil expands and contracts like crazy with the drought and flood cycles, which can shift your foundation just enough to make the roof deck flex. That movement, combined with a strong gust, is exactly how you end up with a whole section of shingles in your neighbor’s yard, even on a roof that’s only a few years old. So when you see those dark green clouds building up to the west, just know your roof is taking a beating before the first drop of rain even hits the ground.
Always verify your exact address coordinates against NOAA radar data to protect your property's value.