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 0.75". There are 0 public hail reports, 55 public wind reports, and 0 nearby tornado reports listed for the August 27, 2021 event.
View the August 27, 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 August 27, 2021 hail swath map for Baltimore, MD covers approximately 361 square miles and includes an estimated 184,548 people inside the mapped footprint. The largest mapped area is in the < 0.50" hail band, covering 209 square miles. The highest estimated population exposure is in the < 0.50" hail band with 113,748 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 209 sq mi | 113,748 |
| 0.50-0.75" | 141 sq mi | 63,171 |
| 0.75-1.00" | 12 sq mi | 7,629 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the August 27, 2021 Baltimore, MD hail event may have reached your area.
Housing Exposure Inside the Baltimore, MD Hail Swath Map
Inside the August 27, 2021 hail swath map area for Baltimore, MD, HailGeeks estimates 61,364 single-family homes, 16,987 townhomes, and 16,356 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the < 0.50" hail band, with 35,982 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 35,982 | 11,823 | 9,739 |
| 0.50-0.75" | 22,793 | 4,447 | 6,227 |
| 0.75-1.00" | 2,589 | 717 | 390 |
Use this table to review housing exposure by hail band for the August 27, 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 August 27, 2021 storm was mapped across 18 counties in the Baltimore, MD region. Montgomery County, MD had the strongest mapped signal, peaking at 0.75" with roughly 17,454 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 25 cities near Baltimore, MD. Potomac, MD had the strongest mapped signal at 0.50", with an estimated 8,056 single-family homes exposed.
City cards show where the August 27, 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 August 27, 2021 Baltimore, MD hail map spans 38 ZIP codes. ZIP 20854 shows the strongest local signal, with mapped hail estimates up to 0.75" and an estimated single-family-home exposure of 12,352.
Check your ZIP in seconds to see whether hail activity from the August 27, 2021 Baltimore, MD event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the August 27, 2021 hail map for Baltimore, MD currently list 0 public hail reports, 55 public wind reports, and 0 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
| No public hail reports are available for this event. | ||||
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
August 27, 2021 1:04 PM CT | 1 NNE Caln Twp | PA | MULTIPLE TREES DOWN ON OSBORNE ROAD. TIME ESTIMATED FROM RADAR. | |
August 27, 2021 1:05 PM CT | 1 NNW Caln Twp | PA | SEVERAL TREES REPORTED DOWN AROUND CALN TOWNSHIP. TIME ESTIMATED FROM RADAR. | |
August 27, 2021 1:10 PM CT | 1 NW Caln Twp | PA | SEVERAL LARGE BRANCHES DOWN BLOCKING TRAFFIC. TIME ESTIMATED FROM RADAR. | |
August 27, 2021 1:13 PM CT | 2 SW East Brandywine Tw | PA | MULTIPLE TREES DOWN ON HURLEY ROAD. TIME ESTIMATED FROM RADAR. | |
August 27, 2021 1:18 PM CT | 1 ESE Wagontown | PA | SEVERAL TREES DOWN IN THE AREA OF PRATTS DAM ROAD. TIME ESTIMATED FROM RADAR. | |
August 27, 2021 1:20 PM CT | 2 SE East Brandywine Tw | PA | TREE AND POLE DOWN IN THE 900 BLOCK OF HORSESHOE PIKE. TIME ESTIMATED FROM RADAR. | |
August 27, 2021 1:30 PM CT | 1 N Coatesville | PA | TREES DOWN ALONG ROUTE 84 BETWEEN 30 BYPASS AND 30 BUSINESS JUST NORTH OF COATESVILLE. TIME ESTIMATED FROM RADAR. | |
August 27, 2021 1:30 PM CT | 1 NNE Coatesville | PA | MULTIPLE TREES DOWN AT ROUTE 30 BYPASS AND MOORE ROAD. TIME ESTIMATED. | |
August 27, 2021 1:42 PM CT | Valley Twp | PA | DOWNED TREE ON RAINBOW ROAD NEAR WEST LINCOLN HIGHWAY. TIME ESTIMATED FROM RADAR. | |
August 27, 2021 2:12 PM CT | Wolf Trap | VA | TREE DOWN ON ROUTE 7380 NEAR BLACK-EYED SUSAN LANE. | |
August 27, 2021 2:17 PM CT | 2 E Potomac | MD | NUMEROUS TREES AND LARGE BRANCHES BLEW DOWN AROUND MONTGOMERY MALL... INCLUDING ON GAINSBOROUGH ROAD NORTH OF DEMOCRACY BOULEVARD... AND ON DEMOCRACY BOULEVARD NEAR THE I-270 SPUR. SEVERAL TREES BLEW DOWN IN THE WILLERBURN ACRES NEIGHBORHOOD. POWER LINES BLEW DOWN IN THE 3000 BLOCK OF TILDEN LANE. | |
August 27, 2021 2:17 PM CT | Wolf Trap | VA | A TREE BLEW DOWN BLOCKING THE SOUTHSIDE OF DAYS FARM DRIVE NEAR BLACK-EYED SUSAN LANE. | |
August 27, 2021 2:21 PM CT | 2 S Rockville | MD | MULTIPLE TREES DOWN IN THE WILLERBURN ACRES NEIGHBORHOOD. | |
August 27, 2021 2:21 PM CT | The American Legion Mem | VA | TREES BLEW DOWN ON THE NORTHBOUND RAMP OF GEORGE WASHINGTON MEMORIAL PARKWAY TO I-495 CAPITAL BELTWAY... INCLUDING ONE ONTO A CAR. | |
August 27, 2021 2:21 PM CT | 1 NE The American Legio | MD | TREES BLEW DOWN ON THE RAMP FOR EXIT 41 FROM I-495 CAPITAL BELTWAY INNER LOOP TO WESTBOUND CLARA BARTON PARKWAY. | |
August 27, 2021 2:26 PM CT | The American Legion Mem | VA | TREE DOWN ON THE NORTHBOUND RAMP OF GEORGE WASHINGTON PARKWAY TO I-495. | |
August 27, 2021 2:26 PM CT | 2 WNW Garrett Park | MD | POWERLINE WIRES DOWN ON THE 6000 BLOCK OF TILDEN LANE | |
August 27, 2021 2:33 PM CT | 1 WSW Chevy Chase | MD | SEVERAL TREES BLEW DOWN NEAR THE I-495 CAPITAL BELTWAY/MD-185 CONNECTICUT AVENUE INTERCHANGE. | |
August 27, 2021 2:35 PM CT | 2 NW Ballenger Creek | MD | TREE AND WIRES DOWN ON JEFFERSON PIKE NEAR WYE CREEK DRIVE. | |
August 27, 2021 2:35 PM CT | 1 N Silver Spring | MD | TREE DOWN ON THE 2000 BLOCK OF CLARK PLACE | |
August 27, 2021 2:40 PM CT | 1 NNE Silver Spring | MD | *** 3 INJ *** NUMEROUS TREES AND WIRES BLEW DOWN IN SILVER SPRING AND TAKOMA PARK. A TREE AND WIRES BLEW DOWN ONTO A CAR ON MD-97 GEORGIA AVENUE JUST SOUTH OF I-495 CAPITAL BELTWAY (BETWEEN FLORA LANE AND WHITE OAK DRIVE) INJURING THREE PEOPLE. WIRES BLEW DOWN ON MD-97 GEORGIA AVENUE BETWEEN COLUMBIA BOULEVARD AND CORWIN DRIVE AND NEAR MD-390 16TH STREET CUTTING OFF POWER TO TRAFFIC LIGHTS BETWEEN MD-390 16TH STREET AND I-495 CAPITAL BELTWAY. MULTIPLE LARGE TREES BLEW DOWN ONTO WIRES DAMAGING A FENCE AND PORC | |
August 27, 2021 2:45 PM CT | 1 NE Four Corners | MD | TREE DOWN AND POWERLINES DOWN ON THE 100 BLOCK OF EASTMOOR DRIVE | |
August 27, 2021 2:45 PM CT | 2 NW Ballenger Creek | MD | A TREE AND WIRES BLEW DOWN ON MD-180 JEFFERSON PIKE NEAR WYE CREEK DRIVE. | |
August 27, 2021 2:54 PM CT | 1 S Takoma Park | MD | MULTIPLE TREES DOWN ON ELM STREET IN TAKOMA PARK. | |
August 27, 2021 2:54 PM CT | 1 SE Colesville | MD | TREE DOWN AND POWERLINE WIRES DOWN ON THE 1000 BLOCK OF MIMOSA LANE | |
August 27, 2021 3:14 PM CT | 1 ESE Emmitsburg | MD | TREES BLEW DOWN ON US-15 NEAR EMMITSBURG. | |
August 27, 2021 3:17 PM CT | 1 ESE Emmitsburg | MD | TREE DOWN ON US-15 | |
August 27, 2021 3:40 PM CT | Millersville | MD | TREES AND WIRES BLEW DOWN IN MILLERSVILLE... INCLUDING ALONG I-97 BETWEEN EXITS 12 AND 14. | |
August 27, 2021 3:45 PM CT | Herald Harbor | MD | TREES AND WIRES DOWN IN HERALD HARBOR. | |
August 27, 2021 3:50 PM CT | Herald Harbor | MD | TREES AND WIRES BLEW DOWN IN HERALD HARBOR. | |
August 27, 2021 3:55 PM CT | 2 ENE Lorton | VA | TREES BLEW DOWN ONTO WIRES BRINGING DOWN A POWER POLE ON GILMORE DRIVE. | |
August 27, 2021 3:58 PM CT | Fairfax | VA | TREE AND POWER POLE DOWN ON GILMORE DRIVE. | |
August 27, 2021 3:58 PM CT | 2 ENE Lorton | VA | TREE AND POWER POLE DOWN ON GILMORE DRIVE. | |
August 27, 2021 4:03 PM CT | Belvedere Heights | MD | A TREE BLEW DOWN IN BELVEDERE PARK. | |
August 27, 2021 4:25 PM CT | 3 SE Cape St. Claire | MD | TREES BLEW DOWN ON WESTBOUND US-50/US-301 PRIOR TO EXIT 32/MD-908 OCEANIC DRIVE. | |
August 27, 2021 4:26 PM CT | 2 ESE Occoquan | VA | TREE DOWN ON ROUTE 4301 NEAR CARDIFF STREET. | |
August 27, 2021 4:33 PM CT | 2 ESE Occoquan | VA | TREES BLEW DOWN NEAR THE INTERSECTION OF ANITA DRIVE AND CARDIFF STREET. | |
August 27, 2021 4:36 PM CT | 2 SSE Willow Street | PA | TREE ON WIRES. | |
August 27, 2021 4:40 PM CT | 2 W Leola | PA | TREES ON WIRES. | |
August 27, 2021 4:40 PM CT | 3 ESE Lancaster | PA | TREE ON WIRES. | |
August 27, 2021 4:50 PM CT | 7 N Cockeysville | MD | A TREE AND WIRES BLEW DOWN ON MD-137 MOUNT CARMEL ROAD NEAR CEDAR GROVE ROAD. A TREE BLEW DOWN ON MD-138 MONKTON ROAD NEAR PINEY WOODS ROAD. | |
August 27, 2021 5:11 PM CT | 2 SW Jarrettsville | MD | TREE DOWN ON FALLSTON ROAD NEAR FOX MEADOW COURT. | |
August 27, 2021 5:15 PM CT | 2 SW Jarrettsville | MD | TREES BLEW DOWN NEAR FOREST HILL AND JARRETTSVILLE... INCLUDING NEAR THE INTERSECTION OF MD-152 FALLSTON ROAD AND FOX MEADOW COURT... AND IN THE 1800 BLOCK OF PARKWOOD DRIVE. | |
August 27, 2021 5:17 PM CT | 1 NW Kingsville | MD | POWERLINE WIRES DOWN ON THE 12000 BLOCK OF STONEY BATTER ROAD | |
August 27, 2021 5:30 PM CT | 1 NNE Chrome Hill | MD | TREES BLEW DOWN ON MD-24 ROCKS ROAD SOUTH OF SAINT CLAIR BRIDGE ROAD. | |
August 27, 2021 5:35 PM CT | 1 W Pleasant Furnace | MD | A TREE BLEW DOWN IN THE 100 BLOCK OF RECKFORD ROAD. | |
August 27, 2021 6:23 PM CT | Stevensville | MD | TREE FEEL INTO A RESIDENCE ON CLOVERFIELDS DR. NO INJURIES. | |
August 27, 2021 6:31 PM CT | 1 SSW Saint Michaels | MD | DOWNED TREE LIMBS AND WIRES NEAR GRACE STREET. TIME ESTIMATED FROM RADAR. | |
August 27, 2021 6:33 PM CT | Saint Michaels | MD | DOWNED WIRES NEAR PERRY CABIN LANE. TIME ESTIMATED FROM RADAR. | |
August 27, 2021 8:04 PM CT | 5 SSE Sandtown | DE | DOWNED TREE ON WIRES NEAR HAYFIELD ROAD. TIME ESTIMATED FROM RADAR. | |
August 27, 2021 9:10 PM CT | 1 WNW Bryantown | MD | TREES BLEW DOWN ON MD-5 LEONARDTOWN ROAD SOUTH OF MD-488 LA PLATA ROAD. | |
August 27, 2021 9:22 PM CT | Hughesville | MD | A TREE BLEW DOWN NEAR THE INTERSECTION OF MD-231 BURNT STORE ROAD AND OLD LEONARDTOWN ROAD. | |
August 27, 2021 9:30 PM CT | 2 W Charlotte Hall | MD | A TREE BLEW DOWN NEAR THE INTERSECTION OF MD-6 CHARLES STREET AND DUBOIS ROAD. A TREE BLEW DOWN NEAR THE INTERSECTION OF DUBOIS ROAD AND TRINITY CHURCH ROAD. | |
August 27, 2021 2:11 PM CT | 62 mph | 2 E North Potomac | MD | No National Weather Service description provided. |
August 27, 2021 2:16 PM CT | 62 mph | 1 NW Gaithersburg | MD | No National Weather Service description provided. |
| 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 August 27, 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 August 27, 2021 event. These related maps cover storm dates from Aug 9, 2021 through Aug 26, 2021, with mapped hail estimates ranging from 0.75" to 1.50". In this set, the strongest related map reached 1.50", and the most recent map shown is from Aug 26, 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 August 27, 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 August 27, 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 August 27, 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 27, 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 August 27, 2021 Baltimore, MD hail event.