Alert archive / Oregon / Wind Advisories in 2020

Wind Advisory 2, NWS Medford, OR

January 10, 2020Lake County, Oregon

NWS Medford, OR issued this wind advisory at Jan 10, 2020, 12:56 PM PST for Lake County, Oregon. It took effect at Jan 11, 2020, 7:00 AM PST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jan 10, 2020, 12:56 PM PST (20:56 UTC)
In effect from
Jan 11, 2020, 7:00 AM PST
Expired
Jan 11, 2020, 4:00 PM PST
In force
9 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 20:57 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.

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 12:00Z, 8.9 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 12:00Z on 2020-01-10Temperature 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 12:00Z on 2020-01-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.19395878Sfc1 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
684 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
252 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

789 
WWUS76 KMFR 102056
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
1256 PM PST Fri Jan 10 2020

ORZ031-111200-
/O.NEW.KMFR.WI.Y.0002.200111T1500Z-200112T0000Z/
Central and Eastern Lake County-
1256 PM PST Fri Jan 10 2020

...WIND ADVISORY IN EFFECT FROM 7 AM TO 4 PM PST SATURDAY...

* WHAT...West winds 25 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...Northern Lake County, including Alkali Lake, Fort Rock,
  Christmas Valley, Highway 395 north of Abert Lake, Highway 31
  between Summer Lake and Silver Lake, and Highway 20.

* WHEN...From 7 AM to 4 PM PST Saturday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down, and low visibilities are possible.  

* ADDITIONAL DETAILS...Light snow is expected during this time,
  and combined with the wind, may result in periods significantly
  reduced visibility due to blowing and drifting snow.

* 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

BPN
2 follow-up statements
065 
WWUS76 KMFR 111144
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
344 AM PST Sat Jan 11 2020

ORZ031-111945-
/O.CON.KMFR.WI.Y.0002.200111T1500Z-200112T0000Z/
Central and Eastern Lake County-
344 AM PST Sat Jan 11 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 4 PM
PST THIS AFTERNOON...

* WHAT...West winds 25 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...Northern Lake County, including Alkali Lake, Fort 
  Rock, Christmas Valley, Highway 395 north of Abert Lake, 
  Highway 31 between Summer Lake and Silver Lake, and Highway 20.

* WHEN...From 7 AM to 4 PM PST Saturday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down, and low visibilities are 
  possible.

* ADDITIONAL DETAILS...Light snow is expected during this time,
  and combined with the wind, may result in periods of 
  significantly reduced visibility due to blowing and drifting 
  snow.

* 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
203 
WWUS76 KMFR 111428
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
628 AM PST Sat Jan 11 2020

ORZ031-120000-
/O.CON.KMFR.WI.Y.0002.200111T1500Z-200112T0000Z/
Central and Eastern Lake County-
628 AM PST Sat Jan 11 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

* WHAT...West winds 25 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...Northern Lake County, including Alkali Lake, Fort 
  Rock, Christmas Valley, Highway 395 north of Abert Lake, 
  Highway 31 between Summer Lake and Silver Lake, and Highway 20.

* WHEN...From 7 AM to 4 PM PST Saturday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Light snow is expected during this time, 
  and combined with the wind, may result in periods of 
  significantly reduced visibility due to blowing and drifting 
  snow.

* 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

Nearby

Wind Advisories in Oregon, 2020Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.