Union County, Oregon
Tornadoes, hail, floods and severe storms recorded here between 1958 and 2024, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
1
Tornado reports
90
Hail reports
11
Floods since 1996
147
All events
0
Deaths
$3.6M
Property damage
Tornado paths in Union County
The part of each tornado’s path NOAA recorded in this county, 1 in all. Zoom in and the paths widen to their surveyed width.
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Year by year
All storm eventsTornadoes
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
Most significant events
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
Heavy rainfall on above average snow pack produced record flood stage of 7.7 feet on the Grande Ronde River at Perry. Additional flooding occurred on Little Creek, Wolf Creek, Ladd Creek, and Catherine Creek. Flooding impacted 12 thousand acres of crops and dozens of homes and bu…
Hail Hail
A social media report from Cove, Oregon indicated a thunderstorm produced hail stones to the size of 0.75 inches.
Hail Hail
A Severe Thunderstorm Warning was issued for a cell in southern Union and Wallowa County that produced reports of severe hail.
Hail Hail
Via a public report, hail up to 0.75 inches fell in North Powder at 1611 PDT.
Hail Hail
Via public reports about 22 miles E of Union, hail up to 1.5 inches was reported at 1823 PDT, and 1 inch hail stones one ridge to the east were reported at 1826 PDT.
Hail Hail
A social media report from Facebook report from La Grande, OR indicated that hailstones larger than a quarter and up to the size of 1.5 inches had fallen around 2:50pm on the 11th. Further upstream, a trained spotter 1 mile southeast of Imbler, OR reported hailstones up to 1.25 i…
Hail Hail
A strong thunderstorm that originated in Grant County, OR continued across Umatilla County and into Union county in the evening. A trained spotter in Summerville, OR measured hail stones up to 1.75 inches in diameter. Social media reports from Summerville, OR also indicated that …
Hail Hail
Spotter UN-114 relayed a report of ping pong sized hail east just east of La Grande, OR.
Thunderstorm Wind Thunderstorm Wind
A thunderstorm that developed off the mountains east of La Grande propagated west across the town producing strong gusts. A public report indicated that winds were strong enough to break large branches and uproot small trees that caused fencing damage.
Flood Flood
Highway 237 near MP19 closed due to high water. Grande Ronde River near Perry flooded, cresting 8.3 feet at 1130 pm on 5/20/20. Flood stage is 6.6 feet.
Flood Flood
There was moderate flooding along the Grande Ronde River from near Hilgard Junction through La Grande and Island City and Imbler to Elgin. In addition, the rapid snowmelt and heavy rain cause widespread flooding along a number of small streams and creeks with water over roads and…
Thunderstorm Wind Thunderstorm Wind
Reports of power outages due to downed tree limbs in the area north of Elgin.
Hail Hail
Flood Flood
There was widespread flooding of fields and lowlands along the river across Union County. There were at least 5000 acres of agricultural land flooded and numerous roads had damage.
Heavy Rain Heavy Rain
A thunderstorm produced heavy rain in and around Cove, in Union county. One half inch to one inch of rain fell on this area over approximately a one and half hour period.
Hail Hail
Hail Hail
Hail Hail
Hail Hail
Hail Hail
Hail Hail
Hail Hail
Public reported 1 inch hail followed 20 minutes later by dime sized hail.
Hail Hail
Hail Hail
Hail Hail
Hail Hail
Hail Hail
Funnel Cloud Funnel Cloud
Hail Hail
Hail Hail
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Four inch and larger diameter tree branches down at the baseball field in La Grande due to thunderstorm winds.
Flood Flood
Hail Hail
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Two large trees down across road. The road also had standing water and looked like a little river.
Thunderstorm Wind Thunderstorm Wind
Several large tree limbs down, also 1/2 inch hail reported.
Hail Hail
Hail Hail
Hail Hail
Hail Hail
Hail Hail
Hail size ranged from quarter to less than golf ball.
Hail Hail
Dime to golfball sized hail reported.
Funnel Cloud Funnel Cloud
Hail Hail
Hail Hail
Hail Hail
Hail Hail
Hail Hail
Hail Hail
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2024 | 2 | 0 |
| 2023 | 2 | 0 |
| 2022 | 2 | 0 |
| 2021 | 2 | 0 |
| 2020 | 2 | 0 |
| 2019 | 3 | 0 |
| 2018 | 1 | 0 |
| 2016 | 5 | 0 |
| 2015 | 10 | 0 |
| 2014 | 3 | 0 |
| 2013 | 8 | 0 |
| 2012 | 13 | 0 |
| 2011 | 10 | 0 |
| 2010 | 9 | 0 |
| 2009 | 3 | 0 |
| 2008 | 2 | 0 |
| 2007 | 2 | 0 |
| 2006 | 15 | 0 |
| 2004 | 9 | 0 |
| 2003 | 3 | 0 |
| 2002 | 4 | 0 |
| 2001 | 5 | 0 |
| 2000 | 7 | 0 |
| 1999 | 7 | 0 |
| 1998 | 9 | 0 |
| 1997 | 2 | 0 |
| 1995 | 1 | 0 |
| 1988 | 2 | 0 |
| 1984 | 1 | 0 |
| 1983 | 1 | 1 |
| 1958 | 2 | 0 |
Search your address
See every tornado that passed within 25 miles of a place in Union County, measured to its path.
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