When was the big flood in Harrisburg PA?
June 1972
Study Area
| Publication type | Report |
|---|---|
| Title | Flood of June 1972 Susquehanna River, Paxton Creek, and Conodoguinet Creek at Harrisburg, Pennsylvania |
| Series title | Open-File Report |
| Series number | 72-287 |
| DOI | 10.3133/ofr72287 |
When did Hurricane Agnes hit Harrisburg?
This week marks the 50th anniversary of the historic, deadly flooding spawned by Hurricane Agnes and its remnants in June 1972 across the eastern U.S., including the hardest-hit states of Pennsylvania and New York.
What was the name of the 72 flood?
Flood of June 1972 – Hurricane Agnes.
How much rain fell in Harrisburg during Agnes?
The heaviest rain (12 to 16 inches) fell in a corridor from Williamsport South through Harrisburg and York. The heaviest reported 24-hour rainfall was recorded at Harrisburg, where 12.53 inches fell between 8 pm on June 21st through 8 pm on June 22nd.
What year did the Susquehanna River flood?
In June 1972, Hurricane Agnes caused the worst recorded flood in the Susquehanna basin – 72 people were killed throughout the Basin and damages were estimated at $2.8 billion. At the time, the Agnes flood was the nation’s most destructive and costly natural disaster.
Where did Hurricane Agnes make landfall in 1972?
Cape San Blas
Agnes developed into a hurricane on 17 June over the southeastern Gulf of Mexico. The hurricane did not strengthen any higher than Category 1 status, peaking at 137 km/h (85 mph), before making landfall on June 19 on Florida’s Panhandle near Cape San Blas with winds of 119 km/h (74 mph).
What was the worst hurricane in Pennsylvania?
Effects of Hurricane Isabel in Pennsylvania
| Tropical storm (SSHWS/NWS) | |
|---|---|
| Tropical Storm Isabel over Pennsylvania shortly before becoming an extratropical cyclone | |
| Pressure | 997 mbar (hPa); 29.44 inHg |
| Fatalities | 2 indirect |
| Damage | $160 million (2003 USD) |
What was the worst hurricane in 1972?
Betty
It caused at least $2.1 billion (1972 USD) in damage and 137 fatalities, mostly from inland flooding in Pennsylvania and New York. The strongest hurricane of the season was Betty, which reached peak winds of 105 mph (165 km/h) while west of the Azores.
What caused the flood of 1972?
HURRICANE AGNES and the GENESEE RIVER FLOODING. The most destructive, widespread flooding to occur in the eastern United States occurred in June 1972 as a result of Hurricane Agnes. Unlike some other flood producing hurricanes in the northeast, Agnes was not a particularly strong hurricane.
How many people died in the 1972 Rapid City flood?
238 people
According to the National Weather Service, 238 people, including five missing… were declared dead; 3,000 people were reported injured in the flood. Most of the deaths were reported in Rapid City, but Keystone lost more than 10 people, most of whom were visitors.
How many people died in the 1972 flood?
How often does the Susquehanna River flood?
about every 15 years
The mainstem of the Susquehanna has flooded 14 times since 1810 – about every 15 years, on average. Even the Native Americans who once lived in the area told of frequent floods. Large-scale and localized flash floods both cause significant property damages and often result in the loss of lives.
Is the Susquehanna River at flood stage?
Flood stage from Hurricane Agnes, June 24, 1972. Nescopeck borough begins to flood.
…
Flood Categories (in feet)
| Major Flood Stage: | 30 |
|---|---|
| Moderate Flood Stage: | 28 |
| Flood Stage: | 22 |
| Action Stage: | 10 |
| Low Stage (in feet): | -9999 |
Is Pennsylvania in Tornado Alley?
Tornado Alley traditionally refers to the corridor-shaped region in the Midwestern United States where tornadoes typically occur. While it is not an official designation, the states most commonly included are Texas, Oklahoma, Kansas, Nebraska, Indiana, Ohio, Missouri, Iowa, and South Dakota.
Has Pa ever hit a hurricane?
October 29–30, 2012 – Hurricane Sandy brought over 20 inches of rain in southern Pennsylvania and caused 16 deaths. Over 1.2 million people were without electricity throughout the state. On October 29, a State of Emergency was declared.
What was the worst flood in US history?
The Great Mississippi Flood of 1927 was the most destructive river flood in the history of the United States, with 27,000 square miles (70,000 km2) inundated in depths of up to 30 feet (9 m) over the course of several months in early 1927.
What caused the 1972 flood?
The immense amount of rain the Black Hills received during the thunderstorms ranged from 4 to 15 inches, causing Rapid Creek and surrounding creeks to overflow and creating massive amounts of runoff that resulted in flood waters.
How deep is the Susquehanna River at Harrisburg?
Summary. Maximum discharge along the river was observed at the Susquehanna River At Harrisburg with a streamflow rate of 7,330 cfs. However, the deepest point on the river is located at the Susquehanna River At Marietta reporting a gauge stage of 32.85 ft.
What is the deepest part of the Susquehanna River?
The Susquehanna River is the 16th longest river in the United States. The river has a depth of about forty feet, and it runs from upstate New York down through Pennsylvania and into Maryland. Once the river reaches Maryland, it empties into the Chesapeake Bay where it is responsible for half of its freshwater.
How high is the Susquehanna River right now at Harrisburg PA?
Concrete control since Aug. 29, 1916. Datum of gage is 290.01 ft above National Geodetic Vertical Datum of 1929. Prior to Oct.
Has a tornado hit Harrisburg PA?
Harrisburg EF4 Tornado Feb 29 2012.
What state has never had a tornado?
While tornadoes occur in all 50 states and Washington, D.C., there are several states that typically experience minimal tornadic activity. These states recorded no tornadoes in 2021: Alaska.
What was the worst natural disaster in PA?
The deadliest natural disaster in the state’s history was the Johnstown Flood, otherwise known as the Great Flood of 1889. Torrential rains added too much pressure to the South Fork Dam, causing it to rupture and releasing 3.84 gallons of water.
What was the biggest flood ever recorded?
On August 1st, 1993, the Mississippi River at St. Louis crested at 49.58 feet, the highest stage ever recorded. The size and impact of the Great Flood of 1993 was unprecedented and has been considered the most costly and devastating flood to ravage the U.S. in modern history.
What are the 10 worst floods in history?
Full List
- Mississippi River, 1927.
- Ohio River, 1937.
- Mississippi River, 1993.
- Hurricane Katrina, 2005.
- Big Thompson Canyon, Colorado, 1976.
- Rapid City, S.D., 1972.
- Galveston, Texas, 1900.
- Johnstown, Pa., 1889.