Severn Hail — Storm History & NOAA Data for Severn, MD

Data current as of 2026-10-16 · Sourced from NOAA Storm Events

Over the past five years, the National Oceanic and Atmospheric Administration has recorded 28 hail storms within 25 miles of Severn, MD. Of those, 26 produced hail at least quarter-size — the threshold most insurance carriers consider potentially damaging to asphalt shingles. The largest reported hail in this window was ping pong ball-sized, which can fracture shingle mat and dent metal flashing on contact. 2023 was the most active year on record locally, with 11 documented hail events.

Check Hail History for a Specific Address in Severn

Hail Severity Breakdown — Severn Area (Last 5 Years)

SeverityCountWhat it means for roofs
Severe6 eventsPing pong-size, granule loss and bruising common
Significant20 eventsQuarter-size, the standard insurance damage threshold
Moderate2 eventsMarble-size, possible cosmetic damage

Severn Hail Storms by Year

YearReported Hail Events Within 25 mi
20264 events
202510 events
20242 events
202311 events
20221 event

2023 was the busiest hail year on record locally for Severn, with 11 documented events inside the 25-mile radius. Storm activity in Severn typically peaks in spring and early summer, when the jet stream pushes Gulf moisture into the area and supercell thunderstorms become more frequent.

Notable Recent Severn Hail Storms

Recent Hail Events Near Severn

DateLocationSeveritySizeNOAA Comments
2026-07-28 Highlandtown, MD Moderate 0.75" Pea to dime size hail
2026-07-28 1 N Highlandtown, MD Severe 1.75" Golf ball size hail
2026-07-28 Dundalk, MD Severe 1.75" Quarter to golf ball size hail in the Dundalk area. Time estimated.
2026-07-04 1 N South Gate, MD Moderate 0.75" —
2025-06-29 DUNDALK, MD Significant 1.00" Quarter size hail was reported near Dundalk.
2025-06-18 ODENTON, MD Significant 1.00" Quarter size hail was reported near Odenton.
2025-06-18 ROBINSON, MD Significant 1.00" Quarter size hail was reported on Eastway.
2025-06-18 PIONEER CITY, MD Significant 1.25" Half dollar size hail was reported on Reece Road near Wigle Road.
2025-06-18 DELMONT, MD Significant 1.25" Half dollar size hail was reported on Maple Tree Road.
2025-05-16 EMORY GROVE, MD Significant 1.00" Quarter size hail was reported north of Reisterstown.
2025-05-03 GLENWOOD, MD Severe 1.50" Ping pong ball size hail was reported near Glenwood.
2025-05-03 TIMONIUM, MD Severe 1.75" Golf ball size hail was reported near Timonium.
2025-05-03 GREEN SPG JCT, MD Significant 1.00" Quarter size hail was reported near Mcdonogh.
2025-05-03 OWINGS MILLS, MD Significant 1.00" Quarter size hail was reported in Owings Mills.
2024-07-29 WHITE MARSH, MD Significant 1.00" There were multiple reports of quarter size hail around I-95 at White Marsh.
2024-06-30 NAVAL ACADEMY, MD Significant 1.00" Quarter size hail was reported in the 200 block of Puritan Plaza in Annapolis.
2023-09-08 ASHLAND, MD Significant 1.00" Quarter size hail was reported in Cockeysville.
2023-09-08 WEST FRIENDSHIP, MD Significant 1.00" There were multiple reports of large hail around quarter size in West Friendship.
2023-09-07 KENSINGTON ESTATES, MD Significant 1.00" Quarter size hail was reported in Kensington.
2023-09-07 STONELEIGH, MD Significant 1.00" Quarter size hail was reported in Towson.

Wind Storm History — Severn Area (Last 5 Years)

NOAA has recorded 460 high-wind events within 25 miles of Severn, MD in the past five years. Of those, 456 reached severe-thunderstorm thresholds (58+ mph). The highest measured gust was 92 mph.

SeverityCount
Severe103 events
Significant353 events
Moderate4 events

Recent Wind Events Near Severn

DateLocationGust (mph)SeverityNOAA Comments
2026-09-04 1 WSW Catholic Universi, DC 62 Significant Wind gust of 62 mph measured on Lamont St NW (KDCWASHI300 PWS)
2026-09-04 1 SW National Arboretum, DC 63 Significant Wind gust of 63 mph measured on D St NE (KDCWASHI556 PWS)
2026-09-04 2 N Stevensville, MD 58 Significant —
2026-09-02 1 E Bay Ridge, MD 41 Moderate A wind gust of 36 knots was reported at Tolly Point.
2026-07-28 Riverdale, MD 58 Significant A wind gust of 50 knots (58 MPH) was measured by a mesonet in Riverdale (AU722/KB3PHD).
2026-07-28 Riverdale, MD 58 Significant A wind gust of 50 knots (58 MPH) was measured by a mesonet in Riverdale (AU722/KB3PHD).
2026-07-18 BWI Marshall Airport, MD 61 Significant A wind gust of 53 knots (61 MPH) was measured by the ASOS at Baltimore-Washington International Thurgood Marshall Airport (KBWI).
2026-07-18 Tolchester Beach NOS, MD 65 Severe Wind gusts of up to 56 knots (65 MPH) were measured by the Tolchester Beach NOS sensor (TCBM2) between 4:30 and 4:42 PM.
2026-07-06 4 S Middle River, MD 58 Significant —
2026-07-05 2 NNW Olney, MD 60 Significant Measured wind gust from a trained spotter at the intersection of MD-108 and Zion Rd.
2026-07-04 BWI Marshall Airport, MD 58 Significant A wind gust of 50 knots (58 MPH) was measured by the ASOS at Baltimore-Washington Thurgood Marshall International Airport (KBWI).
2026-07-04 2 N Henryton, MD 81 Severe A wind gust of 70 knots (81 MPH) was measured by a trained spotter near the intersection of Ridge Road and Brangles Road. Hundreds of large trees blew down in the area.
2026-06-22 ANACOSTIA, DC 60 Significant One tree blew down due to thunderstorm winds at the intersection of Suitland Road Southeast and Southern Avenue Southeast.
2026-06-22 ANNAPOLIS, MD 60 Significant There were several reports of trees and wires down in Annapolis.
2026-06-22 NORMANS IS, MD 58 Significant Tree blown down into wires. Time estimated from radar.
2026-06-22 CONAWAYS, MD 64 Severe There were about a dozen phone calls for trees and/or powerlines down around Crofton.
2026-06-13 1 SE Parole, MD 63 Significant —
2026-06-13 1 WSW Stevensville, MD 62 Significant Bay Bridge WxFlow site.
2026-06-13 2 SSE Arnold, MD 58 Significant —
2026-06-13 3 S Cape St. Claire, MD 75 Severe —

Frequently Asked Questions About Severn Hail

When was the last major hail storm in Severn, MD?

The most recent quarter-size-or-larger hail storm recorded by NOAA within 25 miles of Severn was on July 28, 2026. HailCheck refreshes from the NOAA Storm Events database daily, so newer events appear here as they are reported.

How often does it hail in Severn?

Severn averages roughly 6 reported hail events per year within a 25-mile radius. Significant storms (quarter-size or larger) account for 26 of the 28 events recorded over the last five years.

How big does hail typically get in Severn?

The largest documented hail near Severn in the last five years was ping pong ball-sized. Most Severn-area hail falls in the marble-to-quarter range, with destructive storms (egg-size or larger) appearing roughly once every few years.

Does my insurance cover hail damage in MD?

Most homeowners insurance policies in MD cover hail damage to roofs, siding, and gutters under the dwelling and other-structures coverage. Coverage typically requires the damage to be tied to a verifiable storm date — which is where the NOAA hail history above (and a HAAG-style test square validation) becomes important for the claim file.

How do I check hail history for a specific Severn address?

Use the HailCheck address search to enter any street address in or near Severn. HailCheck returns every NOAA hail event within a configurable radius, along with severity bands, dates, and storm narratives for Pro members.

What a HAAG-Style Test Square Validation Means in Severn

If your property in or near Severn took on hail during one of the storms above, the standard process for documenting damage is a 10×10 foot test square inspection. A HAAG-trained reviewer counts impact indicators — granule displacement, mat fractures, and bruising — within the marked square and produces a PASS or FAIL document for the claim file.

HailCheck offers a $99 photo-based HAAG-style test square validation. You submit photos from the field, our reviewer evaluates the impact indicators and cross-references the NOAA storm dates listed above, and a written PASS/FAIL determination is returned within one business day. We do not send anyone to the roof — the validation is built around the photos you submit.

Learn About $99 HAAG-Style Validation

Why Severn's Location Matters for Hail

Severn sits east of the traditional hail alley, where hail events are less frequent than the central plains but tend to be associated with strong squall lines and tropical systems. Local roof systems are less commonly hardened for hail, which can mean even moderate impacts produce claim-worthy damage.

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