How many tornadoes have there been in Iowa?
Since 1871, Iowa has had eleven F5/EF5 tornadoes (the most intense damage category on the Fujita and Enhanced Fujita damage scales – less than 1% of tornado occurrences – wind speeds greater than 200 mph). Since 1950, the United States has experienced fifty-three F5/EF5 tornadoes. Six of these tornadoes have occurred in Iowa.
When was the last F5 tornado in Iowa?
Prior to the Parkersburg tornado, the last F5/EF5 tornado in Iowa occurred in Jordan (Story County) on June 13, 1976. Since 1871, Iowa has had eleven F5/EF5 tornadoes (the most intense damage category on the Fujita and Enhanced Fujita damage scales – less than 1% of tornado occurrences – wind speeds greater than 200 mph).
Where are the tornado hot spots in Iowa?
The environment was ripe for tornadic development and rotation was evident on radar shortly after storms formed. Generally south of along the Highway 20 corridor was the hot spot for tornadoes from around Nemaha, Lake City, Stanhope, Jewell, and Waverly. Tornadoes were reported around Dysart and south of Mason City.
Where did the tornado hit in Des Moines?
Tornadoes were reported around Dysart and south of Mason City. Heavy rain caused flash flooding in Maxwell and ping pong hail was reported in Clarksville. Other NWS Office Event Summaries: At least 12 confirmed tornadoes in the NWS Des Moines area. Five (5) tornadoes were surveyed by NWS DMX personnel on July 15.
Where did the tornado end in Elma Iowa?
The tornado entered Elma at 4:25 p.m. and continued to a point 14 miles north of Elma where its destructive path ended. The tornado passed through downtown Oelwein and moved north-northeast to Maynard moving through the town in a northward direction. It ended about 5 miles north-northeast of Maynard.
What was the wind speed of the Parkersburg tornado?
The damage survey has rated the Parkersburg, IA tornado on Sunday, May 25th as a low end EF5 tornado (correlated to wind speeds up to 205 mph). This was the second tornado (the first was Greensburg, KS on May 4, 2007) in the United States to receive this rating since the Fujita Scale was enhanced in 2006.