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EF2 tornado in Jasper County, Iowa

Tornado March 5, 2022 · Jasper County, Iowa

EF2
Rating
17.3 mi
Whole path
500 yd
Path width
$506K
Damage as recorded

NOAA records this tornado county by county. Its path ran through Jasper County → Poweshiek County → Tama County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 500 yards (0.28 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF2 means. On the Enhanced Fujita scale, EF2 is considerable damage: roofs torn off well-built houses, mobile homes destroyed, large trees snapped or uprooted, consistent with estimated gusts of 111–135 mph. The rating comes from a survey of the worst damage after the storm, not from a wind measurement, so it says as much about what the tornado hit as about how strong it was.

What the National Weather Service wrote

This tornado developed from the same supercell that produced the Winterset to Newton tornado. It remained in rural areas of central and eastern Jasper county downing power poles and trees along its path. Machine sheds were destroyed at a residence along East 116th Street North with additional damage to outbuildings along East 132nd Street North. The tornado passed just west and north of the hamlet of Newburg before exiting the county into Poweshiek county just south of North 99th Avenue East.

The wider storm

On March 5, 2022 a total of 15 tornadoes occurred across the state of Iowa as a warm front lifted across the area. Supercells initially developed across southwest Iowa in the vicinity of the triple point of the surface low with strong, rotating updrafts. Longevity was initially lacking with the storms, producing funnel clouds, brief tornadoes, and hail in southwest Iowa. As the cells moved northeast and matured, larger hail began to fall with golf ball sized hail falling in Adams county and baseball sized hail into Adair county. Following this period of large hail the storms produced a tornado which would remain on the ground for just over 70 miles, carving a path across central Iowa from southwest of Winterset to just northeast of Newton. The tornado peaked in Winterset, Iowa, producing EF-4 damage with wind speeds estimated near 170 mph. The tornado continued across the southern portion of the Des Moines metro area and to Newton. This is the furthest north EF-4 tornado in the CONUS this early in the year on record, the first EF-4 tornado in Iowa since October 4, 2013 which occurred in Woodbury and Cherokee Counties, and is the second longest tornado in Iowa since 1980, behind the longest occurring on June 7, 1984 at a length of 117 miles across southern Iowa. As the storm skimmed the southern Des Moines metro, cells across south central became tornadic, producing several destructive tornadoes including an EF-3 tornado in Chariton, Iowa. This heartbreaking day resulted in seven fatalities, six in Winterset and one in Chariton, making it the deadliest tornado outbreak in Iowa since 2008. At 15 tornadoes, this is also one of the earliest outbreaks of this magnitude to occur so early in the season.

Began near Kellogg (41.7455, -92.9727).

Other tornadoes from the same storm system

7 more tornadoes the National Weather Service filed under this storm episode.

Source: NOAA Storm Events Database, event 1007153. Narratives are written by the National Weather Service forecast office that issued the report.

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