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HailGeeks
NOAA/NWS STORM PREDICTION CENTER REPORTS + U.S. CENSUS DATA

Hail, Wind & Tornado Reports in and near ZIP 06831

Public hail, wind, and tornado reports in and near ZIP 06831 from May 29, 1998 through July 21, 2026, sourced from NOAA/NWS Local Storm Reports and SPC storm report data.

Example: 06831 — search hail, wind and tornado public reports for any U.S. ZIP code 
Hail Reports
0
Wind Reports
15
Tornado Reports
2
Max Hail Size
--
Source  NOAA SPC · NWS Local Storm Reports Coverage  ZIP 06831 · 1998–present Updated  Daily · last Jul 21, 2026

Latest NWS Hail Reports in and near ZIP 06831

0 reports
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No hail reports were found for this selection.

Showing 0 of 0
Hail Damage Risk for Your Home +

Hail reports describe hail by diameter, often comparing stone size to familiar objects like peas, quarters, golf balls, and softballs. Use this guide as a starting point for possible hail damage to your roof, siding, gutters, vents, windows, and exterior. Actual hail damage depends on hail hardness, density, wind speed, impact angle, roof age, shingle condition, roof pitch, roofing material, installation quality, and prior storm damage.

Pea
0.25″
Low

Usually too small to cause hail damage to most sound asphalt roofs, siding, or gutters.

Mothball
0.50″
Sub-Severe Watch

Below the NWS severe-hail threshold, but not always harmless. Repeated small hail can scuff surfaces, wear aging shingles, and loosen protective granules over time.

Penny
0.75″
Minor / Watch

Below the NWS severe-hail threshold, but roof hail damage is still possible on older, brittle, poorly installed, or previously damaged shingles. May also mark screens, vents, gutters, and soft metal.

Nickel
0.88″
Minor / Watch

Still below the severe-hail threshold, but large enough to leave visible marks on soft metal and add wear to older or hail-weakened roof shingles.

Quarter
1.00″
Watch

The NWS severe-hail threshold. Quarter-size hail can bruise shingles, dent soft metal, and create roof hail damage worth checking.

Half Dollar
1.25″
Watch

More likely to dent gutters, vents, flashing, and siding. Hail damage risk rises quickly on older roofs or hail-weakened shingles.

Ping Pong / Walnut
1.50″
Likely

Hail damage becomes more likely, including bruised shingles, granule loss, dented siding, and damaged roof vents.

Golf Ball
1.75″
Likely

Often causes roof hail damage, cracked shingles, dented gutters, damaged flashing, and siding impacts. A roof inspection is recommended.

Hen Egg
2.00″
Serious

Can crack or puncture shingles, expose mat, dent siding, and cause widespread hail damage across the roof and exterior.

Tennis Ball
2.50″
Serious

Can cause heavy roof hail damage, punctured siding, broken skylights, damaged vents, and widespread exterior damage.

Baseball
2.75″
Major

Major hail damage is likely, including severe roof impacts, damaged siding, broken windows, and possible major roof repairs.

Tea Cup / Large Apple
3.00″
Major

Can cause heavy hail damage across the roof, siding, gutters, windows, and exterior. Significant repairs are often needed.

Softball
4.00″
Extreme

Destructive hail damage. Can severely damage roofing materials, siding, windows, gutters, vents, vehicles, and exterior surfaces.

Grapefruit
4.50″
Extreme

Catastrophic hail damage risk for roofs, windows, vehicles, siding, gutters, and exterior surfaces.

Source: NOAA / National Weather Service hail size references are used for hail-size comparisons and the 1.00″ severe-hail threshold. Damage descriptions are general homeowner guidance, not official NOAA/NWS damage ratings. Sub-severe hail under 1.00″ is below the severe threshold, but that does not mean “no roof damage.” Penny- to nickel-size hail can still contribute to granule loss, cosmetic surface marks, and added wear, especially on older, brittle, poorly installed, or previously damaged roofs.

Latest NWS Wind Reports in and near ZIP 06831

15 reports
Free hail report + wind check →
UNK mph
Jul 21, 2026
8:19 PM UTC
Wind report for ZIP 06831
Fairfield County
Wind Report Description: Corrects the time for previous report from 4 SSW Greenwich. Trees and wires down on Ettl Lane.
NWS Wind Report Location: 4 Ssw Greenwich, CT
UNK mph
Jul 21, 2026
8:15 PM UTC
Wind report for ZIP 06831
Fairfield County
Wind Report Description: Trees and wires down on ettl lane.
NWS Wind Report Location: 4 Ssw Greenwich, CT
UNK mph
Aug 4, 2020
1:53 AM UTC
Wind report for ZIP 06831
Fairfield County
Wind Report Description: LARGE TREE LIMB DOWN AND BLOCKING THE ROAD ON HIGHLAND PLACE IN GREENWICH WITH TIME ESTIMATED BY RADAR
NWS Wind Report Location: Greenwich, CT
UNK mph
Aug 4, 2020
1:45 AM UTC
Wind report for ZIP 06831
Fairfield County
Wind Report Description: A LARGE BRANCH REPORTED DOWN IN GREENWICH IN BACK YARD AT ELM STREET AND MASON STREET.
NWS Wind Report Location: Greenwich, CT
UNK mph
Jun 30, 2019
8:12 PM UTC
Wind report for ZIP 06831
Fairfield County
Wind Report Description: TREES SNAPPED AND UPROOTED NEAR PALMER HILL RD AND FLORENCE RD.
NWS Wind Report Location: Greenwich, CT
UNK mph
Jun 30, 2019
6:30 PM UTC
Wind report for ZIP 06831
Fairfield County
Wind Report Description: POWER LINES DOWN ON SOUND BEACH AVENUE
NWS Wind Report Location: Greenwich, CT
UNK mph
Aug 14, 2016
12:54 AM UTC
Wind report for ZIP 06831
Fairfield County
Wind Report Description: NUMEROUS TREES DOWN AROUND TOWN.
NWS Wind Report Location: Greenwich, CT
60 mph
Jul 26, 2012
6:20 PM EST-5
Wind report for ZIP 06831
Fairfield County
Wind Report Description: A tree was reported down on Round Hill Road.
NWS Wind Report Location: 1.91 N Rock Ridge, CT
60 mph
Jul 18, 2012
2:00 PM EST-5
Wind report for ZIP 06831
Fairfield County
Wind Report Description: Wires were reported down at Merritt parkway and Round Hill Road.
NWS Wind Report Location: 1.14 SSE Round Hill, CT
60 mph
Jul 4, 2012
3:55 PM EST-5
Wind report for ZIP 06831
Fairfield County
Wind Report Description: Both lanes of the Merritt Parkway between exits 31 and 33 were blocked by fallen trees.
NWS Wind Report Location: .41 SW Riverbank, CT
60 mph
Jul 21, 2010
7:30 PM EST-5
Wind report for ZIP 06831
Fairfield County
Wind Report Description: Trees were reported down in the town of Greenwich.
NWS Wind Report Location: 2.07 ENE Riversville, CT
75 mph
Jul 21, 2010
5:40 PM EST-5
Wind report for ZIP 06831
Fairfield County
Wind Report Description: Multiple trees were reported down in the town of Greenwich, CT, including an oak tree torn up through its roots.
NWS Wind Report Location: 2.06 ENE Riversville, CT
81 mph
Jul 21, 2010
5:30 PM EST-5
Wind report for ZIP 06831
Fairfield County
Wind Report Description: Dozens of trees were reported down in the town of Greenwich, with the most signficant impact in the northeast corner of the town.
NWS Wind Report Location: .69 SSE Riversville, CT
60 mph
Jun 8, 2008
3:56 PM EST-5
Wind report for ZIP 06831
Fairfield County
Wind Report Description: A downed tree took down power lines at the corner of Weaver Street and Reynolds Place in Greenwich.
NWS Wind Report Location: .79 S Rock Ridge, CT
58 mph
May 29, 1998
6:05 PM EST
Wind report for ZIP 06831
Fairfield County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: North Greenwich, CT
Showing 15 of 15
Wind Damage Risk for Your Home +

Storm reports list thunderstorm wind gusts in mph. The NWS marks storms as severe at 58+ mph, but wind damage to your home depends on roof age, shingle condition, installation, exposure, nearby trees, and prior hail or wind damage.

Below Severe
Under 58 mph
Minor

Usually little damage to a sound roof, but loose shingles, flashing, or debris may shift.

Severe
58–74 mph
Watch

Can loosen shingles, lift flashing, break limbs, and damage gutters, siding, fences, or trim.

Damaging
75–90 mph
Serious

Can peel shingles, damage vents, tear siding, rip gutters, and expose weak roof areas.

Extreme
90+ mph
Major

Can cause major roof covering loss, tree damage, broken windows, and structural damage.

Source: NOAA / National Weather Service storm reports. Gusts may be measured or estimated; actual wind damage varies by roof condition, exposure, and prior hail or wind damage.

Latest NWS Tornado Reports in and near ZIP 06831

2 reports
EF0 category
Jul 1, 2013
9:58 AM EST-5
Tornado report for ZIP 06831
Fairfield County
Tornado Report Description: The National Weather Service in New York, NY confirmed an EF0 tornado with maximum winds of 80 mph in the towns of Greenwich and Stamford in Fairfield County Connecticut. The tornado touched down in the town of Greenwich on North Street just north of the Merritt Parkway. It continued east-northeast into the town of Stamford and lifted on Janes Lane approximately a half mile west of Scofieldtown Road.||Extensive tree damage was observed along the tornado path starting on Taconic Road and continuing onto Skyridge Road. The most significant tree damage was observed just south of the intersection of Stag Lane and Stanwich Road, where numerous large trees and power lines were downed. Tree damage continued on Carrington Drive and at the Mead House Farm. It reached its maximum width of 150 yards along River Bank Rd. immediately east of Newman Mills Park. The only structural damage was also reported at this point with the door to a barn being blown off. |The tornado started to weaken as it moved into the town of Stamford just south of Web Hills Road and Lynam Road. Trees were last noted down at the far western end of Janes Lane.|||No fatalities or injuries were reported.
NWS Tornado Report Location: 1.48 SSW Stanwich, CT
F1 category
Jul 12, 2006
3:01 PM EST
Tornado report for ZIP 06831
Fairfield County
Tornado Report Description: No National Weather Service description provided.
NWS Tornado Report Location: North Greenwich, CT
Showing 2 of 2
Tornado Damage Risk for Your Home +

After a tornado, the National Weather Service assigns an EF rating from EF0 to EF5 based on surveyed damage. The rating estimates wind speed from what the tornado damaged, so actual damage can vary by construction quality, roof age, garage doors, windows, trees, debris, and how close the home was to the tornado path.

EF0
65–85 mph
Light

Can peel shingles, damage gutters or siding, break tree limbs, and toss loose outdoor items.

EF1
86–110 mph
Moderate

Can strip roof covering, damage exterior doors, break windows, snap trees, and cause heavier siding or gutter damage.

EF2
111–135 mph
Serious

Can tear off large sections of roofing, break or uproot trees, destroy weaker structures, and cause major exterior damage.

EF3–EF5
136+ mph
Severe

Can remove roofs and walls, destroy large portions of homes, toss vehicles, and cause severe to total destruction near the path.

Source: NOAA / National Weather Service. EF ratings are assigned after a post-storm damage survey and are based on observed damage, not a direct measurement at every home.

NWS Hail, Wind and Tornado Reports in and near ZIP 06831 on the Interactive Map

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NWS Storm Reports & Census Data

U.S. Census Data · ZIP Code

ZIP 06831 area census snapshot

People & households
Population14,656
Households5,117
Housing units5,939
Income
Median household income$218,785
$100k+ households25.9%
$150k+ households14.3%
Housing stock
Single-family detached4,781
Attached single-family489
Small multifamily461
Large multifamily208
Mobile homes0
Housing mix
Single-family share80.5%
Attached-home share8.2%
Multifamily share11.3%
Mobile-home share--
Ownership & occupancy
Owner-occupied4,007
Renter-occupied1,110
Vacant units822
Home value & age
Median home value$1,483,500
Owner homes $300k+95.3%
Owner homes $500k+91.4%
Owner homes $750k+85.8%
Median year built1971
Older-home share65.9%
Vehicle context
Households with cars4,976
Free hail maps

This snapshot is for local area context only and describes the selected state, county, city, or ZIP area — not a specific home or property. For ZIP-level estimated hail impact, use Free Hail Maps to generate a hail report with key impact details for that ZIP.

Frequently asked questions

for homeowners, buyers & sellers
How many hail, wind, and tornado reports does ZIP 06831 have on record?

Our records show 0 hail, 15 wind, and 2 tornado reports in and near ZIP 06831, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on July 21, 2026.

What is the largest hail ever reported in ZIP 06831?

No reported hail size is available for this selection.

A storm report showed up near my home in ZIP 06831 — does that mean my roof is damaged?

Not necessarily. A storm report only means hail, wind, or a tornado was observed nearby; it does not confirm damage at any specific address, and conditions change from block to block. Check an address-level hail report first, and if it looks significant, find a local pro that serves ZIP 06831 and ask about a Remote Hail Inspection before anyone climbs on the roof.

I am buying a home in ZIP 06831 — why should I look at its storm history?

Recent hail or wind can leave a roof or exterior with damage that is easy to miss during a walkthrough, and a recent roof replacement is sometimes an insurance job after a storm. Reviewing the storm history for a ZIP 06831 address before closing helps you ask informed questions about roof age, past repairs, and any prior claims.

I am selling a home in ZIP 06831 — how does this help me?

Knowing the storm history for your address lets you answer buyer questions with confidence, document repairs you have already made, and decide whether a pre-listing roof check is worthwhile. A clear hail history removes a common sticking point during negotiations.

How do I check hail history for a specific ZIP 06831 address?

Use the address search to pull a free address-level hail report for any property in ZIP 06831 — no phone number or email required. It shows recent hail activity for that address so you know whether a closer roof or exterior review makes sense.

Where does this storm report data come from, and what are its limits?

Storm reports on this page are public reports from storm events in and around ZIP 06831, sourced from NOAA SPC and NWS Local Storm Reports. They show where hail, wind, or tornado activity was reported in ZIP 06831, but they do not confirm damage at any specific property. Report locations, sizes, and times may be approximate and can vary from what an individual home experienced. For property-specific hail history, use an address-level hail report or contact a participating local professional for a remote hail inspection. Pros inclusion is not an endorsement, and contacting a professional does not confirm damage at any property.

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