Alert archive / Oregon / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 6, NWS Pendleton, OR

August 16, 2018Deschutes County, Jefferson County, Oregon

NWS Pendleton, OR issued this severe thunderstorm warning at Aug 16, 2018, 5:46 PM PDT for Deschutes County, Jefferson County, Oregon. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 16, 2018, 5:46 PM PDT (00:46 UTC)
Expired: Aug 16, 2018, 6:30 PM PDT
In force: 44 min
Issued by: NWS Pendleton, OR
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Deschutes County, OR, Jefferson County, OR

The radar

The Portland,OR radar (KRTX), 212 km from the middle of the area, began a volume at 00:46 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pendleton, OR wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 16, 2:45 PM PDT, 3 hours 1 minute earlier.

Area forecast discussion, Aug 16, 2:45 PM PDT, 3 hours 1 minute before

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In the hours before

Local storm report, Aug 16, 5:30 PM PDT, 16 minutes before

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Special weather statement, Aug 16, 5:34 PM PDT, 12 minutes before

Special Weather Statement
National Weather Service Pendleton OR
534 PM PDT THU AUG 16 2018

ORZ509-511-170130-
Central Oregon OR-East Slopes of the Oregon Cascades OR-
534 PM PDT THU AUG 16 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL JEFFERSON AND NORTH
CENTRAL DESCHUTES COUNTIES UNTIL 630 PM PDT...

At 533 PM PDT, Doppler radar was tracking a strong thunderstorm near
Tumalo, or 8 miles northwest of Bend, moving north at 15 mph.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Bend, Redmond, Tumalo and Terrebonne.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 4448 12147 4443 12115 4441 12114 4439 12115
      4437 12113 4407 12129 4411 12153
TIME...MOT...LOC 0033Z 193DEG 12KT 4417 12139

RSC

Special weather statement, Aug 16, 5:39 PM PDT, 7 minutes before

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Special weather statement, Aug 16, 5:41 PM PDT, 5 minutes before

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The office that day

Everything else NWS Pendleton, OR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 16, 5:34 PM PDT	Special Weather Statement	PDT	Deschutes	56 min
Aug 16, 5:39 PM PDT	Special Weather Statement	PDT	Jefferson	36 min
Aug 16, 5:41 PM PDT	Special Weather Statement	PDT	Jefferson	34 min
Aug 16, 6:18 PM PDT	Special Weather Statement	PDT	Wasco	42 min
Aug 16, 6:29 PM PDT	Special Weather Statement	PDT	Jefferson	46 min
Aug 16, 6:31 PM PDT	Special Weather Statement	PDT	Jefferson	59 min
Aug 16, 7:01 PM PDT	Special Weather Statement	PDT	Deschutes	44 min
Aug 16, 7:26 PM PDT	Special Weather Statement	PDT	Wasco	49 min
Aug 16, 7:44 PM PDT	Special Weather Statement	PDT	Deschutes	46 min
Aug 16, 7:45 PM PDT	Special Weather Statement	PDT	Morrow	60 min
Aug 16, 8:00 PM PDT	Special Weather Statement	PDT	Wheeler	60 min
Aug 16, 11:35 PM PDT	Special Weather Statement	PDT	Crook	40 min
Aug 16, 11:52 PM PDT	Special Weather Statement	PDT	Wheeler	38 min

Nearby

Severe Thunderstorm Warnings in Oregon, 2018 Every severe thunderstorm warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.