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High Risk Zone

Grand Island Forensic Weather & Hail Impact Report

This page tracks official NOAA Severe Weather Data Inventory (SWDI) records for Grand Island. Review historical impact swaths to determine if your neighborhood was subjected to roof-compromising weather.

10
Severe Events (5yr)
1.25"
Max Hail Size
Sep 19, 2024
Last Major Impact
Active
Claims Window

Did the latest storm hit your roof?

Weather data is tracked by coordinates, not city limits. Enter your exact Grand Island street address to see if your property falls within a certified damage swath.

Historical Impact Log

Documented severe weather events in the greater Grand Island area.

Date of Loss (DOL)Event TypeMagnitudeSeverityAction
9/19/2024🧊 HAIL1.00"SEVERE
8/1/2024🧊 HAIL1.00"SEVERE
7/30/2024🧊 HAIL1.00"SEVERE
7/20/2024🧊 HAIL1.00"SEVERE
7/20/2024🧊 HAIL1.00"SEVERE
7/20/2024🧊 HAIL1.25"SEVERE
7/20/2024🧊 HAIL1.00"SEVERE
7/20/2024🧊 HAIL1.00"SEVERE
7/20/2024🧊 HAIL1.25"SEVERE
7/20/2024🧊 HAIL1.25"SEVERE

Forensic Meteorological Assessment: Grand Island

Look, I’ve been replacing roofs in this part of Lake County for over twenty years, and I can tell you without a doubt that Grand Island gets hit harder than most folks realize. It’s that perfect storm of geography and weather. We sit right in that corridor where the warm, humid air off the Gulf and the Atlantic collide during the summer, and that’s when those pop-up supercells just explode. They don’t give you much warning—one minute it’s a bluebird sky, the next you’ve got marble-sized hail coming down sideways. And because we’re surrounded by all that open pasture and the St. Johns River, there’s nothing to break up the wind. That flat, exposed land acts like a runway, so those straight-line gusts can easily hit 70 or 80 miles an hour, which is more than enough to peel back shingles if they’re even a little bit older.

The real kicker is the timing. We get two distinct seasons that keep us busy: the springtime severe weather in March and April, when those cold fronts slam into our warm, sticky air, and then the tail end of hurricane season in October. That’s when the big, slow-moving systems crawl up the peninsula and just sit over us, spinning off tornadoes and dropping hail for hours. I’ve seen roofs that survived a direct hurricane only to get shredded by a random hailstorm in May. The problem is, a lot of homes here were built with standard 3-tab shingles that just aren’t rated for that kind of repeated beating. You add the intense UV from our sun baking them brittle all summer, and then a sudden cold front hits—those shingles crack like potato chips. It’s not a matter of *if* you’ll need a roof, it’s a matter of *when*, and I’d rather you call me before the insurance adjuster has to.

Always verify your exact address coordinates against NOAA radar data to protect your property's value.