1,019 first-hand accounts of flood events in Maryland, ranked by impact. Each is a NOAA-written narrative of the moment.
A slow moving cold front combined with a highly unstable atmosphere along with tropical moisture to produce slow moving thunderstorms with heavy rainfall. Some of these storms trained over the same areas, resulting in scattered to numerous instances of flash flooding.
Read the full account →A slow moving cold front combined with a highly unstable atmosphere along with tropical moisture to produce slow moving thunderstorms with heavy rainfall. Some of these storms trained over the same areas, resulting in scattered to numerous instances of flash flooding.
Read the full account →More storms continued to develop during the mid and late morning hours in east-central Maryland. Heavy rains from these storms, combined with runoff from earlier events upstream, pushed the Patapsco River out of it's banks along the Howard/Baltimore Co line shortly after noon.
Read the full account →A powerful nor'easter, carrying copious moisture from the Gulf of Mexico and Caribbean region, dumped between 2 and 4 inches of rain across much of Maryland between the foothills and the Chesapeake Bay.
Read the full account →Scattered showers and thunderstorms developed over the region on the 7th as a warm front lifted north into southern Pennsylvania. The thunderstorms across Northeast Maryland produced strong winds that downed trees and power lines, penny size hail, and flooding.
Read the full account →The remnants of Hurricane Frances produced damaging winds, tornadoes and flooding in the Mid Atlantic Region on the 8th. The region was troubled with felled trees, downed power lines, washed out roads, and streams/creeks that overflowed their banks.
Read the full account →A weak cold front settled over the forecast area from June 23 until June 27. Waves of low pressure rode northeast along the front. Flow in the atmosphere was parallel to the boundary, producing several rounds of training echoes.
Read the full account →Hurricane Floyd made landfall just east of Cape Fear, North Carolina in the early morning hours of the 16th and moved north-northeast across extreme southeast Virginia to near Ocean City, Maryland by evening on the 16th.
Read the full account →Hurricane Floyd made landfall just east of Cape Fear, North Carolina in the early morning hours of the 16th and moved north-northeast across extreme southeast Virginia to near Ocean City, Maryland by evening on the 16th.
Read the full account →A deep upper trough and low pressure moving across the Ohio Valley pushed warm and humid air northward ahead of a cold front moving east with the surface low.
Read the full account →An anomalously moist airmass with tropical moisture resided over much of Maryland on July 16th. This comes after several days of showers and thunderstorms, which left some areas with suppressed flash flood guidance.
Read the full account →An anomalously moist airmass with tropical moisture resided over much of Maryland on July 16th. This comes after several days of showers and thunderstorms, which left some areas with suppressed flash flood guidance.
Read the full account →An anomalously moist airmass with tropical moisture resided over much of Maryland on July 16th. This comes after several days of showers and thunderstorms, which left some areas with suppressed flash flood guidance.
Read the full account →An anomalously moist airmass with tropical moisture resided over much of Maryland on July 16th. This comes after several days of showers and thunderstorms, which left some areas with suppressed flash flood guidance.
Read the full account →Tropical Storm Ophelia made landfall in Emerald Island, NC (in the southeast part of the state) at 6:20 AM on Saturday, 9/23 as a tropical storm with 70 mph winds.
Read the full account →A weak cold front settled over the forecast area from June 23 until June 27. Waves of low pressure rode northeast along the front. Flow in the atmosphere was parallel to the boundary, producing several rounds of training echoes.
Read the full account →Areas which received flash flooding on the 18th were inundated with additional heavy rainfall during the morning of the 19th, causing a repeat performance. Once again, several creeks and streams overflowed their banks, including Seneca Creek.
Read the full account →A weakening tropical storm Fran produced flash flooding across the western half of Maryland during the afternoon of the 6th. The system was downgraded to a depression prior to moving across the far western border during the early evening of the 6th.
Read the full account →A line of intense thunderstorms moved across much of Maryland during the afternoon, producing damaging winds and frequent lightning. Storm winds weakened and the speed of the line slowed as it moved south and east of Frederick and Carroll Counties.
Read the full account →Showers producing very heavy rain moved very slowly very slowly across South Central Maryland during the afternoon. The deluge caused several streets and creeks to become rapidly flowing rivers.
Read the full account →An area of showers and thunderstorms with very heavy downpours moved through North Central Maryland during the evening of the 2nd. Up to 6 inches of rainfall caused significant flooding in Eastern Washington County.
Read the full account →A potent storm system crossed the region May 12th. Warm and moist air filtered in ahead of the system, bringing widespread showers and thunderstorms with heavy rain.
Read the full account →A potent storm system crossed the region May 12th. Warm and moist air filtered in ahead of the system, bringing widespread showers and thunderstorms with heavy rain.
Read the full account →A potent storm system crossed the region May 12th. Warm and moist air filtered in ahead of the system, bringing widespread showers and thunderstorms with heavy rain.
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