Alert archive / Oregon / High Wind Warnings in 2020

High Wind Warning 3, NWS Medford, OR

February 23, 2020Lake County, Oregon

NWS Medford, OR issued this high wind warning at Feb 23, 2020, 2:24 AM PST for Lake County, Oregon. It took effect at Feb 23, 2020, 12:00 PM PST. It was in force for 10 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 23, 2020, 2:24 AM PST (10:24 UTC)
In effect from
Feb 23, 2020, 12:00 PM PST
Expired
Feb 23, 2020, 10:00 PM PST
In force
10 hr
Issued by
NWS Medford, OR

County Lake County, OR

The radar

The Medford radar (KMAX), 207 km from the middle of the area, began a volume at 10:28 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 was reported inside it

TimeReportWhereRemark
Feb 23, 3:55 PM PSTNON-TSTM WND GST 50Silver Lake, OR

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 00:00Z, 10.4 hours before the alert went out and 203 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Medford/Jackson, OR at 00:00Z on 2020-02-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Medford/Jackson, OR at 00:00Z on 2020-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2489 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

855 
WWUS76 KMFR 231024
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
224 AM PST Sun Feb 23 2020

ORZ031-240600-
/O.NEW.KMFR.HW.W.0003.200223T2000Z-200224T0600Z/
/O.CON.KMFR.WI.Y.0006.200223T2000Z-200224T0600Z/
Central and Eastern Lake County-
224 AM PST Sun Feb 23 2020

...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 10 PM PST THIS
EVENING...
...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 10 PM PST
THIS EVENING...

* WHAT...For the High Wind Warning, west winds 30 to 40 mph with 
  gusts up to 65 mph expected. For the Wind Advisory, west winds 
  25 to 35 mph with gusts up to 55 mph expected.

* WHERE...For the High Wind Warning, mainly along Highway 31 from
  Paisley to Summer Lake. For the Wind Advisory, Much of the
  remainder of Central and Eastern Lake County, including Fort
  Rock and Silver Lake.

* WHEN...From noon today to 10 PM PST this evening.

* IMPACTS...Very strong wind gusts will cause dangerous driving
  conditions, especially for high profile vehicles. Trees and
  power lines may be blown down leading to possible power outages.
  Unsecured objects will be blown away.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

ORZ030-240600-
/O.CON.KMFR.WI.Y.0006.200223T2000Z-200224T0600Z/
Northern and Eastern Klamath County and Western Lake County-
224 AM PST Sun Feb 23 2020

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 10 PM PST
THIS EVENING...

* WHAT...West winds 25 to 35 mph with gusts up to 55 mph 
  expected.

* WHERE...Northern and Eastern Klamath County and Western Lake
  County, including Highway 31 north of Silver Lake. 

* WHEN...From noon to 10 PM PST Sunday.

* IMPACTS...These winds could cause difficult travel, especially 
  for high profile vehicles. Gusty winds could blow around 
  unsecured objects. Tree limbs could break.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Visit us at https://www.weather.gov/Medford
2 follow-up statements
281 
WWUS76 KMFR 240039
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
439 PM PST Sun Feb 23 2020

ORZ031-240600-
/O.NEW.KMFR.DU.Y.0001.200224T0039Z-200224T0600Z/
/O.CON.KMFR.HW.W.0003.000000T0000Z-200224T0600Z/
/O.CON.KMFR.WI.Y.0006.000000T0000Z-200224T0600Z/
Central and Eastern Lake County-
439 PM PST Sun Feb 23 2020

...BLOWING DUST ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING...
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...
...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

* WHAT...For the High Wind Warning, west winds 30 to 40 mph with
  gusts up to 65 mph. For the Blowing Dust Advisory, visibility
  between one quarter mile and one mile is possible in blowing 
  dust. For the Wind Advisory, west winds 25 to 35 mph with gusts 
  up to 55 mph.

* WHERE...For the High Wind Warning, mainly along Highway 31 from
  Paisley to Summer Lake. For the Blowing Dust Advisory, from the
  eastern shore of Summer Lake to the Alkali Lake area south to
  Lake Abert along Highway 395. Also, from Christmas Lake eastward
  across Christmas Valley. For the Wind Advisory, much of Central
  and Eastern Lake County, including Fort Rock and Silver Lake.

* WHEN...Until 10 PM PST this evening.

* IMPACTS...Trees and power lines could possibly be damaged in the
  High Wind Warning area. Hazardous driving conditions are likely
  in the Blowing Dust Advisory area due to reduced visibility, at
  times, especially near the dry lake beds. Travel is likely to be
  difficult, especially for high profile vehicles.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists are advised to not drive into areas of blowing dust
that's reducing visibilities below one mile. Remember, pull 
aside, stay alive.

People should avoid being outside in forested areas and around
trees and branches in the High Wind Warning area. If possible, 
remain in the lower levels of your home during the windstorm, and 
avoid windows. Use caution if you must drive.

&&

$$

ORZ030-240600-
/O.CON.KMFR.WI.Y.0006.000000T0000Z-200224T0600Z/
Northern and Eastern Klamath County and Western Lake County-
439 PM PST Sun Feb 23 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

* WHAT...West winds 25 to 35 mph with gusts up to 55 mph.

* WHERE...Northern and Eastern Klamath County and Western Lake
  County, including Highway 31 north of Silver Lake.

* WHEN...Until 10 PM PST this evening.

* IMPACTS...These winds could cause difficult travel, especially 
  for high profile vehicles. Gusty winds could blow around 
  unsecured objects. Tree limbs could break.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

BTL

Visit us at https://www.weather.gov/Medford
276 
WWUS76 KMFR 240541
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
941 PM PST Sun Feb 23 2020

ORZ031-240645-
/O.EXP.KMFR.HW.W.0003.000000T0000Z-200224T0600Z/
/O.EXP.KMFR.DU.Y.0001.000000T0000Z-200224T0600Z/
/O.EXP.KMFR.WI.Y.0006.000000T0000Z-200224T0600Z/
Central and Eastern Lake County-
941 PM PST Sun Feb 23 2020

...HIGH WIND WARNING WILL EXPIRE AT 10 PM PST THIS EVENING...
...BLOWING DUST ADVISORY WILL EXPIRE AT 10 PM PST THIS EVENING...
...WIND ADVISORY WILL EXPIRE AT 10 PM PST THIS EVENING...

Winds are expected to diminish to below advisory level gusts of 
45 mph by 10 PM PST. Therefore, the wind warning and advisory, as 
well as the blowing dust advisory, will be allowed to expire.

$$

ORZ030-240645-
/O.EXP.KMFR.WI.Y.0006.000000T0000Z-200224T0600Z/
Northern and Eastern Klamath County and Western Lake County-
941 PM PST Sun Feb 23 2020

...WIND ADVISORY WILL EXPIRE AT 10 PM PST THIS EVENING...

Winds are expected to diminish to below advisory level gusts of 
45 mph by 10 PM PST. Therefore, the wind advisory will be allowed
to expire.

$$

BTL

Visit us at https://www.weather.gov/Medford

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 23, 12:31 PM PSTHazardous Seas WarningMFR15 hr

Nearby

High Wind Warnings in Oregon, 2020Every high wind warning in 2020

Sources

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