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NOAA/NWS STORM PREDICTION CENTER STORM REPORTS

Hail, Wind & Tornado Reports in May 2020

Public hail, wind, and tornado reports across the United States in May 2020 from May 1, 2020 through May 31, 2020, 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
1,360
Wind Reports
2,233
Tornado Reports
152
Max Hail Size
5.33″
Source  NOAA SPC · NWS Local Storm Reports Coverage  United States · May 2020 · 2020–present Updated  Daily · last May 31, 2020

NWS Hail Reports in May 2020

30 reports
Free hail report for your home →
1.00″ hail
May 31, 2020
11:30 PM UTC
Hail report for May 2020
Custer County · 3,973 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 13 E Miles City, MT
1.00″ hail
May 31, 2020
9:00 AM UTC
Hail report for May 2020
Wallowa County · 3,442 Homes in County
Hail Report Description: NICKEL TO QUARTER SIZE HAIL. HAIL COMPLETELY COVERED THE GROUND. SOCIAL MEDIA POST
NWS Hail Report Location: Joseph, OR
2.00″ hail
May 31, 2020
2:10 AM UTC
Hail report for May 2020
Umatilla County · 19,283 Homes in County
Hail Report Description: PUBLIC REPORT VIA SOCIAL MEDIA OF LARGE HAIL 12 MILES NORTH OF PENDLETON. TIME ESTIMATED BASED OF REPORT AND RADAR.
NWS Hail Report Location: 8 W Helix, OR
1.00″ hail
May 31, 2020
1:30 AM UTC
Hail report for May 2020
Johnson County · 3,631 Homes in County
Hail Report Description: TIME ESTIMATED FROM RADAR.
NWS Hail Report Location: Buffalo, WY
2.00″ hail
May 31, 2020
12:10 AM UTC
Hail report for May 2020
Umatilla County · 19,283 Homes in County
Hail Report Description: CORRECTS PREVIOUS HAIL REPORT FROM 8 W HELIX. PUBLIC REPORT VIA SOCIAL MEDIA OF LARGE HAIL 12 MILES NORTH OF PENDLETON. TIME ESTIMATED BASED OF REPORT AND RADAR.
NWS Hail Report Location: 8 W Helix, OR
1.25″ hail
May 30, 2020
11:44 PM UTC
Hail report for May 2020
Pueblo County · 55,679 Homes in County
Hail Report Description: MINOR STREET FLOODING.
NWS Hail Report Location: 3 W Blende, CO
1.00″ hail
May 30, 2020
11:38 PM UTC
Hail report for May 2020
Pueblo County · 55,679 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 3 W Blende, CO
1.00″ hail
May 30, 2020
11:37 PM UTC
Hail report for May 2020
Pueblo County · 55,679 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 2 WNW Blende, CO
1.00″ hail
May 30, 2020
11:33 PM UTC
Hail report for May 2020
Pueblo County · 55,679 Homes in County
Hail Report Description: REPORTED AT 4TH AND WEST PUEBLO.
NWS Hail Report Location: 2 S Pueblo, CO
1.00″ hail
May 30, 2020
11:32 PM UTC
Hail report for May 2020
Pueblo County · 55,679 Homes in County
Hail Report Description: REPORTED AT PUEBLO BLVD AND 11TH PUEBLO.
NWS Hail Report Location: 3 WSW Pueblo, CO
1.25″ hail
May 30, 2020
11:31 PM UTC
Hail report for May 2020
Umatilla County · 19,283 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: W Holdman, OR
1.00″ hail
May 30, 2020
11:31 PM UTC
Hail report for May 2020
Pueblo County · 55,679 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 3 WSW Blende, CO
1.50″ hail
May 30, 2020
11:13 PM UTC
Hail report for May 2020
Umatilla County · 19,283 Homes in County
Hail Report Description: REPORTED VIA SOCIAL MEDIA.
NWS Hail Report Location: 5 W Pendleton, OR
1.75″ hail
May 30, 2020
10:45 PM UTC
Hail report for May 2020
Umatilla County · 19,283 Homes in County
Hail Report Description: REPORT VIA SOCIAL MEDIA.
NWS Hail Report Location: 9 SSE Echo, OR
1.75″ hail
May 30, 2020
10:05 PM UTC
Hail report for May 2020
Grant County · 3,141 Homes in County
Hail Report Description: No National Weather Service description provided.
NWS Hail Report Location: 1 N Monument, OR
Showing 15 of 30
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 in May 2020

30 reports
Free hail report + wind check →
60 mph
May 31, 2020
11:20 PM UTC
Wind report for May 2020
Custer County · 3,973 Homes in County
Wind Report Description: HAIL COVERED THE GROUND.
NWS Wind Report Location: 9 E Miles City, MT
64 mph
May 31, 2020
11:06 PM UTC
Wind report for May 2020
Custer County · 3,973 Homes in County
Wind Report Description: No National Weather Service description provided.
NWS Wind Report Location: 3 WNW Miles City, MT
59 mph
May 31, 2020
8:21 PM UTC
Wind report for May 2020
Natrona County · 26,526 Homes in County
Wind Report Description: ASOS STATION KCPR CASPER AIRPORT.
NWS Wind Report Location: 6 NW Mills, WY
76 mph
May 31, 2020
4:09 PM UTC
Wind report for May 2020
Flathead County · 37,000 Homes in County
Wind Report Description: MESONET STATION CYFM8 HORNET MOUNTAIN.
NWS Wind Report Location: 6 WSW Trailcreek, MT
UNK mph
May 31, 2020
2:45 PM UTC
Wind report for May 2020
Flathead County · 37,000 Homes in County
Wind Report Description: LARGE HEALTHY TREES BLOWN DOWN ACROSS HIGHWAY. LOCATION IS APPROXIMATE.
NWS Wind Report Location: 1 SW West Glacier, MT
UNK mph
May 31, 2020
2:30 PM UTC
Wind report for May 2020
Flathead County · 37,000 Homes in County
Wind Report Description: MANY LARGE TREES DOWNED AT LOST JOHNNY POINT CAMPGROUND.
NWS Wind Report Location: 7 SSE Martin City, MT
UNK mph
May 31, 2020
2:25 PM UTC
Wind report for May 2020
Flathead County · 37,000 Homes in County
Wind Report Description: MULTIPLE TREES FELL OVER IN THE NEIGHBORHOOD. A RESIDENTIAL ROOF WAS DAMAGED IN THE PROCESS.
NWS Wind Report Location: 1 NW Whitefish, MT
UNK mph
May 31, 2020
2:25 PM UTC
Wind report for May 2020
Flathead County · 37,000 Homes in County
Wind Report Description: WIDESPREAD DAMAGE OCCURRED IN THE OLNEY AREA FROM MULTIPLE TREES FALLING DOWN. TWO HOMES WERE COMPLETELY DESTROYED... MULTIPLE POWER POLES WERE BROUGHT DOWN WITH A POWER OUTAGE THAT CONTINUED INTO THE EVENING HOURS.
NWS Wind Report Location: Olney, MT
69 mph
May 31, 2020
2:22 PM UTC
Wind report for May 2020
Flathead County · 37,000 Homes in County
Wind Report Description: ASOS STATION KGPI KALISPELL.
NWS Wind Report Location: La Salle, MT
UNK mph
May 31, 2020
2:20 PM UTC
Wind report for May 2020
Flathead County · 37,000 Homes in County
Wind Report Description: FALLING TREES DAMAGED A TRUCK AND CAR IN THE HAPPY VALLEY AREA ACCORDING TO A FACEBOOK POST. LOCATION AND TIME OF LSR IS APPROXIMATE.
NWS Wind Report Location: 5 WNW La Salle, MT
UNK mph
May 31, 2020
2:17 PM UTC
Wind report for May 2020
Flathead County · 37,000 Homes in County
Wind Report Description: A LARGE PINE TREE FELL ON A HOUSE CAUSING MINOR DAMAGE.
NWS Wind Report Location: Evergreen, MT
UNK mph
May 31, 2020
2:17 PM UTC
Wind report for May 2020
Flathead County · 37,000 Homes in County
Wind Report Description: A POWER POLE SNAPPED IN HALF... CAUSING POWER LINE TO FALL TO THE GROUND AT THE GAS STATION AT SMITHS.
NWS Wind Report Location: Kalispell, MT
UNK mph
May 31, 2020
2:17 PM UTC
Wind report for May 2020
Flathead County · 37,000 Homes in County
Wind Report Description: VERY LARGE PINE TREE FELL OVER AT A CEMETARY.
NWS Wind Report Location: 1 ENE Kalispell, MT
UNK mph
May 31, 2020
2:16 PM UTC
Wind report for May 2020
Flathead County · 37,000 Homes in County
Wind Report Description: TRAMPOLINE FLEW ACROSS THE YARD AND WAS DAMAGED. SEVERAL OTHER KIDS PLAYHOUSES WERE DAMAGED.
NWS Wind Report Location: 2 WNW Kalispell, MT
65 mph
May 31, 2020
2:15 PM UTC
Wind report for May 2020
Missoula County · 32,643 Homes in County
Wind Report Description: SENSOR ON TOP OF MT SENTINEL AT 5...026 FT. WINDS WERE FROM THE SSW.
NWS Wind Report Location: 2 SW East Missoula, MT
Showing 15 of 30
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 in May 2020

30 reports
UNK category
May 29, 2020
9:52 PM UTC
Tornado report for May 2020
Warren County · 28,805 Homes in County
Tornado Report Description: NWS STORM SURVEY CONFIRMED EF1 TORNADO IN WARREN COUNTY... NY. HARDWOOD AND SOFTWOOD TREES SNAPPED AND UPROOTED. ONE HOME SUFFERED DIRECT ROOF DAMAGE.
NWS Tornado Report Location: 3 E Corinth, NY
UNK category
May 29, 2020
7:54 PM UTC
Tornado report for May 2020
Galveston County · 114,636 Homes in County
Tornado Report Description: TORNADO OBSERVED NEAR BOYT ROAD AND HIGHWAY 87.
NWS Tornado Report Location: 15 ESE San Leon, TX
UNK category
May 29, 2020
12:34 AM UTC
Tornado report for May 2020
Moultrie County · 5,274 Homes in County
Tornado Report Description: EMERGENCY MANAGER RELAYED PUBLIC REPORT OF POSSIBLE LAND SPOUT TORNADO TOUCH DOWN NEAR THE OKAW RIVER BRIDGE ON ROUTE 32.
NWS Tornado Report Location: 2 NW Lovington, IL
UNK category
May 29, 2020
12:25 AM UTC
Tornado report for May 2020
Moultrie County · 5,274 Homes in County
Tornado Report Description: LAND SPOUT TORNADO BRIEFLY TOUCHED DOWN IN A FIELD NORTHWEST OF THE COUNTY ROAD 1900N AND 500E INTERSECTION PER BETHANY POLICE. WAS ON GROUND ABOUT 1 MINUTE. NO DAMAGE. LOCATION WAS UPDATED PER EMERGENCY MANAGER.
NWS Tornado Report Location: 3 NNE Bethany, IL
UNK category
May 29, 2020
12:25 AM UTC
Tornado report for May 2020
Moultrie County · 5,274 Homes in County
Tornado Report Description: LAND SPOUT TORNADO BRIEFLY TOUCHED DOWN WEST OF THE COUNTY ROAD 1750N AND 400 E INTERSECTION PER BETHANY POLICE. WAS ON GROUND ABOUT 1 MINUTE.
NWS Tornado Report Location: 1 N Bethany, IL
UNK category
May 28, 2020
10:50 PM UTC
Tornado report for May 2020
Macoupin County · 17,318 Homes in County
Tornado Report Description: TORNADO OBSERVED MOVING EAST-NORTHEAST AND THEN DISSIPATED.
NWS Tornado Report Location: Atwater, IL
UNK category
May 28, 2020
10:46 PM UTC
Tornado report for May 2020
Montgomery County · 10,348 Homes in County
Tornado Report Description: TORNADO CAUGHT ON VIDEO AND SHARED BY EMERGENCY MANAGER. TORNADO DISSIPATED AROUND THE 65MM ON I-55 AT THE SOUTHBOUND REST AREA.
NWS Tornado Report Location: 3 SE Atwater, IL
UNK category
May 28, 2020
10:45 PM UTC
Tornado report for May 2020
Montgomery County · 10,348 Homes in County
Tornado Report Description: PHOTO OF TORNADO ON SOCIAL MEDIA 10 MILES NORTH OF LITCHFIELD... ILLINOIS ALONG I-55 AT APPROXIMATELY 5:45PM.
NWS Tornado Report Location: Waggoner, IL
UNK category
May 28, 2020
10:40 PM UTC
Tornado report for May 2020
Macoupin County · 17,318 Homes in County
Tornado Report Description: CORRECTS PREVIOUS TORNADO REPORT FROM ATWATER. TIME ESTIMATED FROM RADAR.TORNADO OBSERVED MOVING EAST-NORTHEAST AND THEN DISSIPATED.
NWS Tornado Report Location: Atwater, IL
UNK category
May 28, 2020
9:10 PM UTC
Tornado report for May 2020
Peoria County · 61,309 Homes in County
Tornado Report Description: PICTURE OF LAND SPOUT RECEIVED VIA SOCIAL MEDIA. LASTED ABOUT 5 MINUTES. NEAR ROUTE 40 AND ROUTE 90.
NWS Tornado Report Location: 5 NNE Dunlap, IL
UNK category
May 28, 2020
12:34 AM UTC
Tornado report for May 2020
Clinton County · 12,685 Homes in County
Tornado Report Description: SHORT-LIVED TORNADO OBSERVED BY SEVERAL INDIVIDUALS AT A DISTANCE. TIME AND LOCATION ESTIMATED FROM REPORTS AND RADAR.
NWS Tornado Report Location: 2 WSW Posey, IL
UNK category
May 27, 2020
11:10 PM UTC
Tornado report for May 2020
Warren County · 6,417 Homes in County
Tornado Report Description: WARREN COUNTY 911 REPORTS NUMEROUS TREES AND POWER LINES DOWN AND A SHED/OUTBUILDING DESTROYED. THIS OCCURRED IN THE SAME SPOT THAT A TORNADO DEBRIS SIGNATURE WAS NOTED ON KRAX WSR-88D RADAR.
NWS Tornado Report Location: 2 NNE Wise, NC
UNK category
May 27, 2020
11:08 PM UTC
Tornado report for May 2020
Warren County · 6,417 Homes in County
Tornado Report Description: WARREN COUNTY 911 REPORTS NUMEROUS TREES AND POWER LINES DOWN AND A SHED/OUTBUILDING DESTROYED. THIS OCCURRED IN THE SAME SPOT THAT A TORNADO DEBRIS SIGNATURE WAS NOTED ON KRAX WSR-88D RADAR.
NWS Tornado Report Location: 1 NE Wise, NC
UNK category
May 27, 2020
8:23 PM UTC
Tornado report for May 2020
Waller County · 12,744 Homes in County
Tornado Report Description: WELL DEFINED DAMAGE PATH. NUMEROUS TREES UPROOTED... SOME TRUNKS SNAPPED. ROOF TAKEN OFF BARN. OTHER STRAIGHT LINE WIND DAMAGE NOTED IN THE AREA.
NWS Tornado Report Location: 8 NNE Hempstead, TX
UNK category
May 27, 2020
8:21 PM UTC
Tornado report for May 2020
Waller County · 12,744 Homes in County
Tornado Report Description: SHORT DAMAGE PATH... WATERS ROAD AREA. NUMEROUS LARGE TREES UPROOTED... LAID DOWN IN DIFFERENT DIRECTIONS RANGING FROM DUE SOUTH TO DUE EAST. SHORT PATH OF LESS THAN 1 MILE.
NWS Tornado Report Location: 8 N Hempstead, TX
Showing 15 of 30
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 May 2020 on the Interactive Map

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Browse NWS Storm Reports by Day in May 2020

May 31, 2020 67
Hail, wind & tornado reports
May 30, 2020 91
Hail, wind & tornado reports
May 29, 2020 131
Hail, wind & tornado reports
May 28, 2020 112
Hail, wind & tornado reports
May 27, 2020 166
Hail, wind & tornado reports
May 26, 2020 106
Hail, wind & tornado reports
May 25, 2020 168
Hail, wind & tornado reports
May 24, 2020 236
Hail, wind & tornado reports
May 23, 2020 278
Hail, wind & tornado reports
May 22, 2020 293
Hail, wind & tornado reports
May 21, 2020 155
Hail, wind & tornado reports
May 20, 2020 63
Hail, wind & tornado reports
May 19, 2020 11
Hail, wind & tornado reports
May 18, 2020 36
Hail, wind & tornado reports
May 17, 2020 40
Hail, wind & tornado reports

Get a Remote Hail Inspection

Not sure if hail may have affected your home in May 2020? 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 in May 2020?

Our records show 1,360 hail, 2,233 wind, and 152 tornado reports in May 2020, compiled from NOAA SPC and NWS Local Storm Reports. The most recent was reported on May 31, 2020.

What was the largest hail reported in May 2020?

The largest hail size in these storm-report records in May 2020 is 5.33″, reported near Burkburnett, TX.

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 in May 2020 — 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 in May 2020 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 in May 2020?

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 in May 2020 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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