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HailGeeks
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Hail Map with Reports for Johnson City, TN

View the free hail map with reports for Johnson City, TN from August 10, 2021. This event is marked as Complete, with a Light storm impact level and a Low Event Inspection Score.

Free Interactive Hail Map Hail Report by ZIP
Low
Event Inspection Score
Light
Storm Impact
Complete
Event Status
Aug 10, 2021
Event Date
Map Preview

Hail Swath Map Preview

The Johnson City, TN hail swath map preview was last reviewed on August 27, 2026 and shows mapped hail estimates up to 1.25". There are 2 public hail reports, 1 public wind reports, and 0 nearby tornado reports listed for the August 10, 2021 event.

Region: Johnson City, TN
August 10, 2021 Hail swath map preview for Johnson City, TN on August 10, 2021
Open Interactive Map
Max Hail
1.25"
Mapped estimated hail size
Public Hail Reports
2
Largest report: 1.50"
Public Wind Reports
1
Reports near map area
Tornado Reports
0
Reports near map area

View the August 10, 2021 Johnson City, TN hail event on the free interactive hail map, then check a free Hail Report by ZIP to see a more local hail signal for your area.

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Map Footprint

Impact Area and Population for the Johnson City, TN Hail Map

The August 10, 2021 hail swath map for Johnson City, TN covers approximately 165 square miles and includes an estimated 11,653 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 93 square miles. The highest estimated population exposure is in the < 0.50" hail band with 8,001 people.

Mapped Impact Area
165 sq mi
Largest band: < 0.50"
Population Inside Footprint
11,653
Highest population band: < 0.50"
Mapped Hail BandImpact AreaPopulation
< 0.50"93 sq mi8,001
0.50-0.75"50 sq mi2,125
0.75-1.00"15 sq mi1,392
1.00-1.25"5 sq mi128
1.25-1.50"2 sq mi7

Get a free Hail Report by ZIP to see a more local hail signal and whether the August 10, 2021 Johnson City, TN hail event may have reached your area.

Housing Impact

Housing Exposure Inside the Johnson City, TN Hail Swath Map

Inside the August 10, 2021 hail swath map area for Johnson City, TN, HailGeeks estimates 5,937 single-family homes, 114 townhomes, and 942 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 3,915 single-family homes.

Single-Family Homes
5,937
Largest band: < 0.50"
Townhomes
114
Largest band: < 0.50"
Multifamily Properties
942
Largest band: < 0.50"
Mapped Hail BandSingle-FamilyTownhomesMultifamily
< 0.50"3,91580599
0.50-0.75"1,23922136
0.75-1.00"67812173
1.00-1.25"97034
1.25-1.50"800

Use this table to review housing exposure by hail band for the August 10, 2021 Johnson City, TN hail map. To check a specific property more closely, use a free Hail Report by Address.

Affected Cities

Cities Inside the Johnson City, TN Hail Map

Zooming in, the swath touched 2 cities near Johnson City, TN. Burnsville, NC had the strongest mapped signal at 0.50", with an estimated 284 single-family homes exposed.

Showing 12 of 2 cities

City cards show where the August 10, 2021 Johnson City, TN hail activity was mapped, but your ZIP can show a closer local signal. Get a free Hail Report by ZIP, and if the signal looks meaningful, ask a local pro about a Remote Hail Inspection to see whether an on-site roof or exterior review may be worth scheduling.

Public Storm Reports

Public Hail, Wind, and Tornado Reports

Public storm report tables connected to the August 10, 2021 hail map for Johnson City, TN currently list 2 public hail reports, 1 public wind reports, and 0 tornado reports.

Date & TimeHail SizeCityStateDescription
August 10, 2021
3:34 PM CT
1.50 in 3 W Mars Hill NC

PUBLIC REPORTED PING PONG BALL (1.50") SIZE HAIL IN PETERSBURG... NC. ALSO REPORTED LARGE TREE LIMBS DOWN.

August 10, 2021
3:44 PM CT
1.00 in Burnsville NC

PUBLIC REPORTED QUARTER (1.00") SIZE HAIL IN BURNSVILLE. ALSO REPORTED SMALL TREE LIMBS DOWN.

Showing 2 public hail reports

This table includes only public storm reports connected to the August 10, 2021 Johnson City, TN storm event. When available, each report may include the time, size or magnitude, city, state, and a short description.

Related Hail Maps

Related Hail Maps in the Johnson City, TN Region

We found 6 more hail maps with reports from the same Johnson City, TN region as the August 10, 2021 event. These related maps cover storm dates from Mar 18, 2021 through Aug 7, 2021, with mapped hail estimates ranging from 0.75" to 2.50". In this set, the strongest related map reached 2.50", and the most recent map shown is from Aug 7, 2021.

If none of these related Johnson City, TN hail maps look close enough to your property, check a free Hail Report by Address. It reviews hail history for a specific location — not just the broader Johnson City, TN region — so you can check whether hail activity may have reached your property.

Remote Hail Inspection

Local Hail Review Options Near Johnson City, TN

Not sure whether the August 10, 2021 Johnson City, TN hail map matters for your property? Start with a free Hail Report by Address to see whether hail activity was mapped for that property. If the property signal looks meaningful, you can choose a local pro serving the Johnson City, TN region and ask about a Remote Hail Inspection before deciding whether an on-site roof or exterior review is worth scheduling.

Get a Free Hail Report by Address

Check a specific property to see whether hail activity from the August 10, 2021 Johnson City, TN event — or another recent hail event — may have been mapped at that address.

A Participating Local Pro

Find a roof or exterior pro serving the Johnson City, TN region who can help you understand what the property hail signal may mean.

Remote Hail Inspection

A participating local pro reviews property-level hail history remotely — not just the August 10, 2021 event — to help decide whether an on-site inspection may be worth scheduling.

A free Hail Report by Address and a Remote Hail Inspection can help you look beyond the August 10, 2021 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Johnson City, TN region, but they can help you make a more informed next decision before anyone climbs on the roof.

FAQ

Frequently Asked Questions

Common questions about the August 10, 2021 Johnson City, TN hail event.

How big was the hail in Johnson City, TN on August 10, 2021?
Mapped hail estimates reached up to 1.25" in the Johnson City, TN area on August 10, 2021.
How accurate is this Johnson City, TN hail map?
This hail map is based on mapped hail estimates, with public storm report context shown where available. It helps show where stronger hail may have occurred during the August 10, 2021 storm event, but it does not confirm property damage at any one address.
What does the Event Inspection Score of Low mean?
For this Johnson City, TN event, the Event Inspection Score is Low. The score reflects how strong the hail-history signal is and whether a closer roof or exterior review may make sense. A higher score means a stronger signal, not confirmed damage.
How many people were in the Johnson City, TN hail area?
An estimated 11,653 people live inside the mapped hail footprint, which covers about 165 square miles. This is an estimate of residents inside the storm area, not a count of people who reported damage.
How many storm reports came from this event?
For the August 10, 2021 Johnson City, TN event, public storm report tables currently list 2 hail reports, 1 wind reports, and 0 tornado reports. Public reports are point observations and are not available for every location.
Can I use this Johnson City, TN hail map for my business or content?
Yes. This hail map is free to use and share for marketing, print, blogs, content, research, and similar uses as long as attribution is included with a link back to this page. Use the Share button on the map to copy a ready-made credit line. Use is also subject to our Terms of Use.
How often is this hail map updated?
This event map was generated shortly after the storm and was last reviewed on August 27, 2026. It may be updated as additional hail data or public storm reports become available.
My home is in the Johnson City, TN area — what should I do?
If your address falls inside a mapped hail band from the August 10, 2021 storm event, check a free Hail Report by Address for an address-level first look. You can also ask a qualified local pro whether a closer roof or exterior review may make sense.
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