Hail Swath Map Preview
The Baltimore, MD hail swath map preview was last reviewed on August 27, 2026 and shows mapped hail estimates up to 1.75". There are 2 public hail reports, 33 public wind reports, and 0 nearby tornado reports listed for the July 17, 2021 event.
View the July 17, 2021 Baltimore, MD 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.
Impact Area and Population for the Baltimore, MD Hail Map
The July 17, 2021 hail swath map for Baltimore, MD covers approximately 707 square miles and includes an estimated 914,357 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 288 square miles. The highest estimated population exposure is in the < 0.50" hail band with 309,024 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 288 sq mi | 309,024 |
| 0.50-0.75" | 240 sq mi | 289,558 |
| 0.75-1.00" | 111 sq mi | 211,821 |
| 1.00-1.25" | 51 sq mi | 78,138 |
| 1.25-1.50" | 12 sq mi | 19,975 |
| 1.50-1.75" | 3 sq mi | 3,886 |
| 1.75-2.00" | 2 sq mi | 1,955 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the July 17, 2021 Baltimore, MD hail event may have reached your area.
Housing Exposure Inside the Baltimore, MD Hail Swath Map
Inside the July 17, 2021 hail swath map area for Baltimore, MD, HailGeeks estimates 205,208 single-family homes, 179,975 townhomes, and 171,635 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 74,861 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 74,861 | 37,715 | 55,849 |
| 0.50-0.75" | 64,188 | 48,258 | 57,646 |
| 0.75-1.00" | 43,969 | 66,495 | 39,094 |
| 1.00-1.25" | 16,378 | 21,395 | 16,589 |
| 1.25-1.50" | 4,073 | 5,206 | 2,009 |
| 1.50-1.75" | 984 | 736 | 386 |
| 1.75-2.00" | 755 | 170 | 62 |
Use this table to review housing exposure by hail band for the July 17, 2021 Baltimore, MD hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the Baltimore, MD Hail Map
Hail from the July 17, 2021 storm was mapped across 19 counties in the Baltimore, MD region. Baltimore County, MD had the strongest mapped signal, peaking at 1.75" with roughly 75,249 single-family homes inside the swath.
County pages group every mapped hail event in the area. For a closer look, drop to the city or ZIP level below, or run a free Hail Report by Address.
Cities Inside the Baltimore, MD Hail Map
Zooming in, the swath touched 57 cities near Baltimore, MD. Dundalk, MD had the strongest mapped signal at 1.50", with an estimated 9,294 single-family homes exposed.
City cards show where the July 17, 2021 Baltimore, MD 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.
ZIP Codes Inside the Baltimore, MD Hail Swath Map
At the ZIP level, the July 17, 2021 Baltimore, MD hail map spans 93 ZIP codes. ZIP 21221 shows the strongest local signal, with mapped hail estimates up to 1.75" and an estimated single-family-home exposure of 7,325.
Check your ZIP in seconds to see whether hail activity from the July 17, 2021 Baltimore, MD event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the July 17, 2021 hail map for Baltimore, MD currently list 2 public hail reports, 33 public wind reports, and 0 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
July 17, 2021 1:48 PM CT |
1.00 in | 4 S Leola | PA | QUARTER-SIZED HAIL IN BIRD-IN-HAND. REPORT VIA SOCIAL MEDIA. |
July 17, 2021 2:30 PM CT |
1.00 in | 2 ESE Rosedale | MD | No National Weather Service description provided. |
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
July 17, 2021 12:42 PM CT | 2 NE Oakland | MD | MULTIPLE TREES DOWN NEAR THE LIBERTY RESERVOIR. | |
July 17, 2021 1:07 PM CT | 3 SW Millersville | PA | TREES AND WIRES DOWN. | |
July 17, 2021 1:10 PM CT | 1 SSE Oakland | MD | TREE DOWN ON OAKLAND MILLS ROAD NEAR LIBERTY ROAD. | |
July 17, 2021 1:11 PM CT | 2 WNW Millersville | PA | TREES ON WIRES. | |
July 17, 2021 1:16 PM CT | 2 ESE Rockville | MD | TREE AND POWER LINES DOWN ON VEHICLE. | |
July 17, 2021 1:24 PM CT | 1 ENE Brooklandville | MD | TREE DOWN ON A VEHICLE NEAR CLEARFIELD COURT AND TALLY HO ROAD. | |
July 17, 2021 1:25 PM CT | Cockeysville | MD | MULTIPLE TREES DOWN IN COCKEYSVILLE. | |
July 17, 2021 1:25 PM CT | Brooklandville | MD | TREE DOWN ON MD-25 AT SEMINARY AVENUE. | |
July 17, 2021 1:46 PM CT | Long Green | MD | MULTIPLE TREES DOWN IN AND AROUND LONG GREEN. | |
July 17, 2021 1:53 PM CT | 1 ESE Parkville | MD | TREES DOWN IN PARKVILLE. | |
July 17, 2021 2:31 PM CT | 2 ESE Winfield | MD | TREE DOWN ON BUSHEY ROAD NEAR OLD WASHINGTON ROAD. | |
July 17, 2021 2:40 PM CT | 1 WNW Essex | MD | TWO TREES FELL ONTO AN APARTMENT BUILDING ON GARDEN DRIVE CAUSING SIGNIFICANT STRUCTURAL DAMAGE. | |
July 17, 2021 2:43 PM CT | 2 SSW Montgomery Villag | MD | TREE DOWN ON MIDCOUNTY HIGHWAY. | |
July 17, 2021 2:44 PM CT | 2 N Great Falls | VA | TREE DOWN ON HIGH HILL COURT. | |
July 17, 2021 2:45 PM CT | 1 WNW Essex | MD | TREE DOWN ON DELAWARE AVE. | |
July 17, 2021 2:46 PM CT | 1 WNW Essex | MD | TWO TREES DOWN ON GARDEN DRIVE AND SOUTH MARYLYN AVENUE. | |
July 17, 2021 2:46 PM CT | 2 ENE Dundalk | MD | TREE DOWN ON MOBILE HOME ON BEACHWOOD AVE NEAR BLETZER ROAD. | |
July 17, 2021 2:53 PM CT | 1 WNW Paradise | PA | STORM DAMAGE REPORTED ON LIVE INCIDENT LIST. | |
July 17, 2021 3:02 PM CT | 2 SSE Rosedale | MD | TREE DOWN ON MD-150 (EASTERN AVE) NEAR DIAMOND POINT ROAD. | |
July 17, 2021 3:02 PM CT | 1 NNE Dundalk | MD | THREE TREES DOWN ON SAFFA DRIVE. | |
July 17, 2021 3:05 PM CT | 1 S Brooklyn Park | MD | TREE DOWN IN ROADWAY AT THE INTERSECTION OF ARUNDEL CORP RD AND MORRIS HILL AVE. | |
July 17, 2021 3:13 PM CT | Gaithersburg | MD | TREE AND WIRES DOWN ON GLEN MILL ROAD NEAR JOINERS LANE. | |
July 17, 2021 3:28 PM CT | 2 E Rockville | MD | LARGE BRANCH DOWN ON POWER LINES ON GRUENTHER AVE BETWEEN MARSHALL AVE AND BROADWOOD DRIVE. | |
July 17, 2021 4:58 PM CT | 1 NW Smithsburg | MD | FOUR TELEPHONE POLES AND WIRES DOWN ON LEITERSBURG SMITHSBURG ROAD. | |
July 17, 2021 5:01 PM CT | Leitersburg | MD | SEVERAL TREES DOWN IN LEITERSBURG. | |
July 17, 2021 5:16 PM CT | 1 N Carroll Valley | PA | TREES DOWN IN CARROLL VALLEY AND FAIRFIELD. | |
July 17, 2021 6:10 PM CT | 1 WSW Thurmont | MD | TREE DOWN ON FOXVILLE RD WEST OF PRYOR RD | |
July 17, 2021 6:10 PM CT | 1 N Thurmont | MD | LARGE TREE DOWN ACROSS ROAD IN THE 15000 BLOCK OF KELBAUGH RD | |
July 17, 2021 6:11 PM CT | Mount Pleasant | MD | TREE DOWN ON MD-26 NEAR CRUM ROAD. | |
July 17, 2021 6:18 PM CT | 2 NW Libertytown | MD | TREE DOWN ON MD-550 NEAR PINE TREE ROAD. | |
July 17, 2021 7:10 PM CT | 2 NE Brookeville | MD | COUPLE OF TREES AND WIRES DOWN LEADING TO ROAD BEING BLOCKED NEAR INTERSECTION OF MD STATE HIGHWAY 650 & BRIGHTON DAM ROAD. | |
July 17, 2021 8:29 PM CT | 2 ENE Landenberg | PA | TREE LIMBS BLOCKING THE ROAD ON KAOLIN RD AT LIMESTONE RD. TIME ESTIMATED FROM RADAR AND DISPATCH REPORT. | |
July 17, 2021 8:32 PM CT | 2 S Kennett Square | PA | TREE DOWN BLOCKING THE ROAD ON ROUND HILL RD AT KAOLI RD. TIME ESTIMATED FROM RADAR AND DISPATCH REPORT. |
| Date & Time | Rating | City | State | Description |
|---|---|---|---|---|
| No public tornado reports are available for this event. | ||||
This table includes only public storm reports connected to the July 17, 2021 Baltimore, MD storm event. When available, each report may include the time, size or magnitude, city, state, and a short description.
Related Hail Maps in the Baltimore, MD Region
We found 6 more hail maps with reports from the same Baltimore, MD region as the July 17, 2021 event. These related maps cover storm dates from Jun 14, 2021 through Jul 9, 2021, with mapped hail estimates ranging from 1.00" to 1.75". In this set, the strongest related map reached 1.75", and the most recent map shown is from Jul 9, 2021.
If none of these related Baltimore, MD 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 Baltimore, MD region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near Baltimore, MD
Not sure whether the July 17, 2021 Baltimore, MD 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 Baltimore, MD region and ask about a Remote Hail Inspection before deciding whether an on-site roof or exterior review is worth scheduling.
Check a specific property to see whether hail activity from the July 17, 2021 Baltimore, MD event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the Baltimore, MD region who can help you understand what the property hail signal may mean.
A participating local pro reviews property-level hail history remotely — not just the July 17, 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 July 17, 2021 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the Baltimore, MD region, but they can help you make a more informed next decision before anyone climbs on the roof.
Frequently Asked Questions
Common questions about the July 17, 2021 Baltimore, MD hail event.