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EF1 tornado in Kiowa County, Colorado

Tornado March 28, 2007 · Kiowa County, Colorado

EF1

Rating

11.6 mi

Whole path

200 yd

Path width

$2K

Damage as recorded

NOAA records this tornado county by county. Its path ran through Kiowa County → Greeley County, Kansas; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 200 yards (0.11 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF1 means. On the Enhanced Fujita scale, EF1 is moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken, consistent with estimated gusts of 86–110 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

A second tornado developed from the same supercell that spawned the Holly tornado. It destroyed four electrical transmission poles on State Highway 96...east of Towner...and then moved through a rural area...before crossing into Greeley County Kansas.

The wider storm

A few severe thunderstorms occurred over extreme southeast Colorado... producing damaging winds and large hail. One supercell generated large hail...damaging winds...and two tornadoes. The tornado which struck Holly...rural northeast Prowers County...and rural southeast Kiowa County had a maximum rating of EF3. The path width reached a maximum of around 900 yards in extreme northeast Prowers County. Prior to this...as the tornado moved through Holly...the path width was around 600 feet. Over 200 residences and other buildings were affected or destroyed. Two people were killed and nine others were injured. The damage path was around 28 miles long...extending into Kiowa County. The last substantial damage with the tornado was 12 miles north of Holly...in northeast Prowers County...where a ranch sustained high end EF3 damage. As the supercell cycled through...another tornado occurred east of Towner...and moved into Kansas.

Began near Towner (38.4603, -102.0501).

Other tornadoes from the same storm system

1 more tornado the National Weather Service filed under this storm episode.

EF3 Prowers County 2 dead

Source: NOAA Storm Events Database, event 22992. Narratives are written by the National Weather Service forecast office that issued the report.

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