Storm reports for September 13, 2011

IndependentNot affiliated with NOAA or the National Weather Service. Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology

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Other storms on September 13 →

On September 13, 2011, 10 hail, 11 damaging-wind and 0 tornado reports were logged across 6 states. The largest hail reported was 1.25″ (half dollar size) in Navajo County, AZ.

Storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Radar hail estimates start October 2019.

Storm reports by state

Cities with hail reported within 5 miles

Hail reports (10)

Damage, injuries and deaths

National Weather Service offices recorded about $228,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (21 events in 6 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Imperial County, CA (near Bonds Corner) · Thunderstorm wind 69 mph · $150,000
  “Thunderstorms with damaging microburst winds moved through Imperial county during the afternoon hours on September 13th. According to the California Highway Patrol, 18 power poles were blown down along Highway 98 near Rood Road, east of Calexico.”
• Pinal County, AZ (near Lirim) · Thunderstorm wind 58 mph · $30,000
  “Isolated thunderstorms developed in the area near the town of Maricopa during the afternoon hours on September 13. The storms produced gusty winds estimated to be at least 50 knots.”
• Imperial County, CA (near Holtville) · Thunderstorm wind 75 mph · $20,000
  “Thunderstorms with damaging microburst winds moved through Imperial county during the afternoon hours on September 13th. Law enforcement personnel reported that part of a building, an older structure, was blown onto the road near the intersection of Orchard and Bailey, in the community of…”
• Lewis County, NY (near Porters Corners) · Thunderstorm wind 58 mph · $12,000
  “Thunderstorm winds downed trees and wires.”
• Venango County, PA (near Sunville) · Thunderstorm wind 58 mph · $5,000
  “State official reports multiple trees down near Wallaceville.”
• Riverside County, CA (near Desert Center Arpt) · Thunderstorm wind 58 mph · $4,000
  “Thunderstorms with strong, damaging winds moved through the Desert Center area during the morning hours on September 13th. Fire Department personnel reported that a 20 by 40 foot patio cover at the fire station was ripped by strong winds.”

Event narratives from NWS Storm Data, shortened. Up to six per day, chosen by deaths, injuries, damage and size.

Source: NOAA National Centers for Environmental Information (NCEI), Storm Events Database, as entered by National Weather Service offices; data through July 31, 2026. Damage is in dollars of the year, not adjusted for inflation.

Guides: What radar-estimated hail (MESH) is and isn't · Storm reports: preliminary vs final