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NOAA/NWS STORM PREDICTION CENTER STORM REPORTS

Hail, Wind & Tornado Reports on August 21, 2002

Public hail, wind, and tornado reports across the United States on August 21, 2002 from August 21, 2002 through August 21, 2002, sourced from NOAA/NWS Local Storm Reports and SPC storm report data.

Pick any date to see hail, wind and tornado public reports for that day — e.g. September 18, 2026.
Hail Reports
37
Wind Reports
69
Tornado Reports
3
Max Hail Size
2.75″
Source  NOAA SPC · NWS Local Storm Reports Coverage  United States · August 21, 2002 · 2002–present Updated  Daily · last Aug 21, 2002

NWS Hail Reports on August 21, 2002

37 reports
Free hail report for your home →
1.00″ hail
Aug 21, 2002
10:45 PM MST
Hail report for August 21, 2002
Oglala Lakota County · 2,252 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Manderson, SD
0.88″ hail
Aug 21, 2002
10:15 PM CST
Hail report for August 21, 2002
Lancaster County · 81,449 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Lincoln, NE
1.50″ hail
Aug 21, 2002
9:15 PM MST
Hail report for August 21, 2002
Oglala Lakota County · 2,252 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Porcupine, SD
0.75″ hail
Aug 21, 2002
10:12 PM CST
Hail report for August 21, 2002
Sarpy County · 55,718 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Bellevue, NE
0.75″ hail
Aug 21, 2002
9:45 PM CST
Hail report for August 21, 2002
Lancaster County · 81,449 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Lincoln, NE
0.88″ hail
Aug 21, 2002
8:28 PM MST
Hail report for August 21, 2002
Broadwater County · 2,619 Homes in County
Hail Report Description: A severe thunderstorm produced 0.88 inch hail in Townsend.
NWS Hail Report Location: Townsend, MT
0.88″ hail
Aug 21, 2002
8:45 PM CST
Hail report for August 21, 2002
Lancaster County · 81,449 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Lincoln, NE
0.75″ hail
Aug 21, 2002
8:41 PM CST
Hail report for August 21, 2002
Saunders County · 8,765 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Ceresco, NE
1.00″ hail
Aug 21, 2002
8:00 PM CST
Hail report for August 21, 2002
Lancaster County · 81,449 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 5 W Lincoln, NE
1.75″ hail
Aug 21, 2002
6:50 PM MST
Hail report for August 21, 2002
Broadwater County · 2,619 Homes in County
Hail Report Description: A severe thunderstorm produced 1.75 inch hail at Toston 13SW.
NWS Hail Report Location: Toston, MT
0.75″ hail
Aug 21, 2002
7:45 PM CST
Hail report for August 21, 2002
Clay County · 2,461 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: Edgar, NE
0.75″ hail
Aug 21, 2002
6:18 PM MST
Hail report for August 21, 2002
Sheridan County · 11,188 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1 W Clearmont, WY
0.88″ hail
Aug 21, 2002
5:54 PM MST
Hail report for August 21, 2002
Sheridan County · 11,188 Homes in County
Hail Report Description: Report also of 2.35 inches of rain
NWS Hail Report Location: 4 W Wyarno, WY
1.75″ hail
Aug 21, 2002
5:50 PM MST
Hail report for August 21, 2002
Perkins County · 1,267 Homes in County
Hail Report Description: Golfball sized hail destroyed an alfalfa field.
NWS Hail Report Location: 10 NE Zeona, SD
1.75″ hail
Aug 21, 2002
6:15 PM CST
Hail report for August 21, 2002
Gregory County · 1,823 Homes in County
Hail Report Description: Large hail covered the ground and a highway. The hail caused widespread and severe crop damage. The amount of crop damage was not known.
NWS Hail Report Location: 5 N Dallas, SD
Showing 15 of 37
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.

NWS Wind Reports on August 21, 2002

69 reports
Free hail report + wind check →
66 mph
Aug 21, 2002
11:01 PM MST
Wind report for August 21, 2002
Bennett County · 1,011 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 1 S Allen, SD
66 mph
Aug 21, 2002
11:01 PM CST
Wind report for August 21, 2002
Hutchinson County · 2,810 Homes in County
Wind Report Description: Thunderstorm winds caused crop damage, including sunflower fields flattened.
NWS Wind Report Location: 15 SW Olivet, SD
66 mph
Aug 21, 2002
11:01 PM CST
Wind report for August 21, 2002
Jerauld County · 859 Homes in County
Wind Report Description: Thunderstorm winds caused crop damage, including sunflower fields flattened.
NWS Wind Report Location: 15 SW Wessington Spgs, SD
63 mph
Aug 21, 2002
10:45 PM CST
Wind report for August 21, 2002
Lancaster County · 81,449 Homes in County
Wind Report Description: Thunderstorm wind gusts downed a few trees and blew the skylight off of a church in town. The winds also caused a barn to collapse northeast of town, temporarily trapping 8 horses for several hours.
NWS Wind Report Location: Lincoln, NE
58 mph
Aug 21, 2002
10:45 PM CST
Wind report for August 21, 2002
Otoe County · 5,986 Homes in County
Wind Report Description: Thunderstorm wind gusts knocked numerous large tree limbs and branches onto power lines throughout town.
NWS Wind Report Location: Nebraska City, NE
58 mph
Aug 21, 2002
10:05 PM CST
Wind report for August 21, 2002
Saunders County · 8,765 Homes in County
Wind Report Description: Thunderstorm wind gusts estimated at around 60 mph caused some tree and power line damage in Ceresco.
NWS Wind Report Location: Ceresco, NE
63 mph
Aug 21, 2002
10:00 PM CST
Wind report for August 21, 2002
Sarpy County · 55,718 Homes in County
Wind Report Description: Thunderstorm wind gusts over 60 mph downed numerous trees and power lines in the La Vista and Papillion areas, knocking power out to 2500 customers.
NWS Wind Report Location: La Vista, NE
71 mph
Aug 21, 2002
9:40 PM CST
Wind report for August 21, 2002
Clay County · 2,461 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: Ong, NE
71 mph
Aug 21, 2002
9:25 PM CST
Wind report for August 21, 2002
Clay County · 2,461 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: Edgar, NE
61 mph
Aug 21, 2002
10:24 PM EST
Wind report for August 21, 2002
Muskegon County · 58,059 Homes in County
Wind Report Description: An isolated severe thunderstorm blew down a tree in Norton Shores. The tree fell down on and injured two people who were taking a walk through woods near Lake Michigan. Law enforcement in Fruitport reported that several tree limbs and power lines were blown down.
NWS Wind Report Location: Norton Shrs, MI
70 mph
Aug 21, 2002
9:23 PM CST
Wind report for August 21, 2002
Jo Daviess County · 11,161 Homes in County
Wind Report Description: Numerous trees and power lines blown down throughout the county. Hardest hit was an area from Chetlain Lane to the Belle Aire Guest House west of Galena, including the Victorian Pines, Country Inns and Suites, Palace Campground and Triangle Motel, which according to some, resembled a war zone. A flagpole was bent at Country Inns, drain pipes were torn off the front of the building, doors were torn off hinges on some first floor entrances and lamps in front of the building were bent. A large tree fell on one vehicle at Palace Campground causing extensive damage. A camper was spun around and moved about 10 feet. Also, a picnic table near the camper was thrown 200 feet and destroyed.
NWS Wind Report Location: Countywide, IL
64 mph
Aug 21, 2002
8:44 PM CST
Wind report for August 21, 2002
Dubuque County · 30,447 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: Dubuque Arpt, IA
64 mph
Aug 21, 2002
8:43 PM CST
Wind report for August 21, 2002
Green County · 12,574 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: Juda, WI
70 mph
Aug 21, 2002
8:30 PM CST
Wind report for August 21, 2002
Jones County · 7,163 Homes in County
Wind Report Description: Several large trees uprooted, including a 130 year old Maple on a farm on Old Cass Road.
NWS Wind Report Location: 6 N Anamosa, IA
58 mph
Aug 21, 2002
8:05 PM CST
Wind report for August 21, 2002
Seward County · 5,769 Homes in County
Wind Report Description: Thunderstorm winds damaged or destroyed several outbuildings just east of Milford.
NWS Wind Report Location: 2 E Milford, NE
Showing 15 of 69
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.

NWS Tornado Reports on August 21, 2002

3 reports
F0 category
Aug 21, 2002
6:00 PM CST
Tornado report for August 21, 2002
Scott County · 53,331 Homes in County
Tornado Report Description: An F0 tornado touched down briefly north of Blue Grass tearing down a large tree limb. Otherwise, no injuries or damage was reported.
NWS Tornado Report Location: 2 N Blue Grass, IA
F0 category
Aug 21, 2002
5:41 PM CST
Tornado report for August 21, 2002
Fond du Lac County · 32,214 Homes in County
Tornado Report Description: A weak tornado spun up in the rural area north-northwest of Oakfield, just east-southeast of the intersection of Hwy 151 and TC. It moved east-southeast and crossed Hwy Y before dissipating. A few trees were uprooted and some grasses were flattened. Wind speeds, based on damage to vegetation, was estimated about 52 to 61 kts (60 to 70 mph). Amateur Radio operators who observed this weak tornado noted that one had to be within 100 yards of the vortex in order to see it due to rain-wrapping and haze.
NWS Tornado Report Location: 1 S Lamartine, WI
F1 category
Aug 21, 2002
5:15 PM CST
Tornado report for August 21, 2002
Muscatine County · 13,730 Homes in County
Tornado Report Description: An F1 tornado touched down north of Muscatine near Highway 38 doing extensive damage to a machine shed that housed a tractor, disk, planter and field cultivator. Damage to the shed and equipment was estimated at over $200,000. Nearby, the roof was partially blown off a farm house and windows were blown out. Also, it was reported that a pickup truck parked at the farm house was launched 40 feet, landing on an old garage. Corn was also flattened in spots, and trees were blown down starting at the Municipal Golf Course and continuing along the path.
NWS Tornado Report Location: 3 N Muscatine, IA
Showing 3 of 3
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 on August 21, 2002 on the Interactive Map

Report type
Hail
Wind
Tornado

Get a Remote Hail Inspection

Not sure if hail may have affected your home on August 21, 2002? Ask a local pro for a Remote Hail Inspection. They can review hail activity for your property and help you decide whether an in-person roof or exterior inspection makes sense.

Frequently asked questions

for homeowners, buyers & sellers
How many storm reports were recorded on August 21, 2002?

Our records show 37 hail, 69 wind, and 3 tornado reports on August 21, 2002, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on August 21, 2002.

What was the largest hail reported on August 21, 2002?

The largest hail size in these storm-report records on August 21, 2002 is 2.75″, reported near Vida, MT.

Some reports show UNK instead of a wind speed or tornado rating — what does that mean?

Wind reports come three ways: measured from an instrument, estimated from the damage observed, or UNK when no speed was recorded. Tornadoes show UNK until the National Weather Service finishes a damage survey and assigns an EF rating. UNK simply means that value was not available when the report was filed.

A report appeared near my home on August 21, 2002 — is my roof damaged?

Not necessarily. A storm report shows that hail, wind, or a tornado was observed nearby, not that any specific home was hit. To find out whether your property was affected, check an address-level hail report, and if it looks significant, ask a local pro about a Remote Hail Inspection before scheduling roof work.

I am buying or selling a home — how do these on August 21, 2002 reports help?

If a storm passed through, a roof or exterior may have damage that is hard to see, or a recent repair may trace back to it. Buyers can ask better questions before closing, and sellers can document the home condition up front — both starting from the property address rather than a whole region.

How do I check what happened at a specific address on August 21, 2002?

Use the address search to pull a free address-level hail report for any property — 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 on August 21, 2002 across the United States, sourced from NOAA SPC and NWS Local Storm Reports. They show where hail, wind, or tornado activity was reported, 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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