Alert archive / Oregon / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 15, NWS Medford, OR

September 5, 2019Douglas County, Oregon

NWS Medford, OR issued this severe thunderstorm warning at Sep 5, 2019, 4:29 PM PDT for Douglas County, Oregon. It was in force for 46 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: Sep 5, 2019, 4:29 PM PDT (23:29 UTC)
Expired: Sep 5, 2019, 5:15 PM PDT
In force: 46 min
Issued by: NWS Medford, OR
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Douglas County, OR

The radar

The Medford radar (KMAX), 139 km from the middle of the area, began a volume at 23:32 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 Medford, OR wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 5, 2:26 PM PDT, 2 hours 3 minutes earlier.

Area forecast discussion, Sep 5, 2:26 PM PDT, 2 hours 3 minutes before

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In the hours before

Special weather statement, Sep 5, 2:20 PM PDT, 2 hours 9 minutes before

Special Weather Statement
National Weather Service Medford OR
220 PM PDT Thu Sep 5 2019

CAZ085-ORZ030-031-052145-
Modoc County-Central and Eastern Lake County-Northern and Eastern
Klamath County and Western Lake County-
220 PM PDT Thu Sep 5 2019

...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL MODOC AND SOUTH
CENTRAL LAKE COUNTIES...

At 219 PM PDT, a strong thunderstorm was located near Goose Lake
State Park, or 13 miles south of Lakeview, moving northeast at 35
mph.

Winds in excess of 30 mph and half inch hail are possible with this
storm.

Locations impacted include...
Lakeview, Cave Lake Campground, Goose Lake State Park, Willow Ranch,
New Pine Creek, Willow Creek Campground, Deep Creek Campground and
Rogger Meadow Trailhead.

This includes the following highways...
 Highway 31 in Oregon between mile markers 138 and 157.
 US 395 in California between mile markers 52 and 61.
 Klamath-Lakeview Highway 140 in Oregon between mile markers 93 and
96.

If outdoors, consider seeking shelter inside a building.

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.

LAT...LON 4184 12038 4196 12057 4227 12037 4205 12007
TIME...MOT...LOC 2119Z 224DEG 30KT 4199 12039

MAP

Special weather statement, Sep 5, 2:37 PM PDT, 1 hour 52 minutes before

Special Weather Statement
National Weather Service Medford OR
237 PM PDT Thu Sep 5 2019

ORZ026>028-052215-
Siskiyou Mountains and Southern Oregon Cascades OR-
South Central Oregon Cascades OR-Jackson County OR-
237 PM PDT Thu Sep 5 2019

...SPECIAL WEATHER STATEMENT...

At 237 PM PDT, Doppler radar was tracking a strong thunderstorm near
Fish Lake Snow Park, or 24 miles northeast of Ashland, moving
northwest at 35 mph.

Half inch hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Butte Falls, Fish Lake Snow Park, Willow Lake, Union Creek, Fourmile
Lake Campground, Mount Mcloughlin Trailhead, Summit Snowpark, Fish
Lake, Prospect, Joseph Stewart State Park, Prospect State Scenic
Viewpoint and Natural Bridge Campground.

This includes the following highways...
 Lake of the Woods Highway 140 in Oregon between mile markers 23 and
37.
 Highway 62 in Oregon between mile markers 31 and 56.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4238 12219 4231 12241 4282 12278 4282 12274
      4284 12274 4285 12270 4287 12270 4287 12268
      4288 12267 4288 12264 4290 12264 4290 12260
      4293 12258 4292 12256 4294 12256 4294 12246
TIME...MOT...LOC 2137Z 155DEG 30KT 4244 12235

MNF

Special weather statement, Sep 5, 3:17 PM PDT, 1 hour 12 minutes before

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Special weather statement, Sep 5, 3:27 PM PDT, 1 hour 2 minutes before

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Local storm report, Sep 5, 4:29 PM PDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 5, 2:20 PM PDT	Special Weather Statement	MFR		25 min
Sep 5, 2:37 PM PDT	Special Weather Statement	MFR	Jackson	38 min
Sep 5, 2:53 PM PDT	Severe Thunderstorm Warning	MFR	Jackson	52 min
Sep 5, 3:17 PM PDT	Special Weather Statement	MFR	Lake	43 min
Sep 5, 3:27 PM PDT	Special Weather Statement	MFR	Douglas	33 min
Sep 5, 3:30 PM PDT	Severe Thunderstorm Warning	MFR	Douglas, Jackson	30 min
Sep 5, 3:55 PM PDT	Severe Thunderstorm Warning	MFR	Douglas	36 min
Sep 5, 4:09 PM PDT	Severe Thunderstorm Warning	MFR	Klamath	23 min
Sep 5, 4:34 PM PDT	Special Weather Statement	MFR	Josephine	26 min

Nearby

Severe Thunderstorm Warnings in Oregon, 2019 Every severe thunderstorm warning in 2019

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.