Alert archive / Oregon / Wind Advisories in 2021

Wind Advisory 15, NWS Medford, OR

March 13, 2021Lake County, Oregon; Siskiyou County, California

NWS Medford, OR issued this wind advisory at Mar 13, 2021, 2:32 PM PST for Lake County, Oregon; Siskiyou County, California. It took effect at Mar 14, 2021, 5:00 AM PDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Mar 13, 2021, 2:32 PM PST (22:32 UTC)
In effect from
Mar 14, 2021, 5:00 AM PDT
Expired
Mar 14, 2021, 8:00 PM PDT
In force
15 hr
Issued by
NWS Medford, OR

Counties Siskiyou County, CA, Lake County, OR

The radar

The Medford radar (KMAX), 104 km from the middle of the area, began a volume at 22:36 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, 10.5 hours before the alert went out and 112 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 2021-03-13Temperature 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 2021-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 square meters per square second.193958Sfc1 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
1555 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

640 
WWUS76 KMFR 132232
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
232 PM PST Sat Mar 13 2021

CAZ081-141200-
/O.NEW.KMFR.WI.Y.0015.210314T1500Z-210315T0300Z/
Central Siskiyou County-
Including the city of Weed
232 PM PST Sat Mar 13 2021

...WIND ADVISORY IN EFFECT FROM 8 AM TO 8 PM PDT SUNDAY...

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph 
  expected.

* WHERE...The Shasta Valley in central Siskiyou County, including
  the city of Weed and portions of Interstate 5 between Weed and
  Yreka.

* WHEN...From 8 AM to 8 PM PDT Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and some property damage is possible.
  Driving may become difficult for high profile vehicles. 

* ADDITIONAL DETAILS...Once winds weaken, precipitation will
  begin, and snow is possible. See the Winter Weather Message for
  more information on this. 

* 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.

&&

$$

ORZ031-141200-
/O.NEW.KMFR.WI.Y.0015.210314T1800Z-210315T0300Z/
Central and Eastern Lake County-
232 PM PST Sat Mar 13 2021

...WIND ADVISORY IN EFFECT FROM 11 AM TO 8 PM PDT SUNDAY...

* WHAT...South winds 15 to 25 mph with gusts up to 50 mph 
  expected.

* WHERE...Highway 31 between Paisley and Summer Lake in central
  Lake County.

* WHEN...From 11 AM to 8 PM PDT Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and some property damage is possible.
  Driving may become difficult, especially for high profile
  vehicles. 

* ADDITIONAL DETAILS...Windblown snow could reduce visibilities at
  times. 

* 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.

&&

$$

BPN

Visit us at https://www.weather.gov/Medford
4 follow-up statements
009 
WWUS76 KMFR 141129
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
429 AM PDT Sun Mar 14 2021

CAZ081-142000-
/O.EXT.KMFR.WI.Y.0015.210314T1200Z-210315T0300Z/
Central Siskiyou County-
Including the city of Weed
429 AM PDT Sun Mar 14 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph 
  expected.

* WHERE...The Shasta Valley in central Siskiyou County, 
  including the city of Weed and portions of Interstate 5 
  between Weed and Yreka.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and some property damage is 
  possible. Driving may become difficult for high profile 
  vehicles.

* ADDITIONAL DETAILS...Once winds weaken, precipitation will
  begin, and snow impacts are likely. See the Winter Weather 
  Message for more information on this.

* 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.

&&

$$

ORZ031-142000-
/O.EXT.KMFR.WI.Y.0015.210314T1500Z-210315T0300Z/
Central and Eastern Lake County-
429 AM PDT Sun Mar 14 2021

...WIND ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 8 PM PDT
THIS EVENING...

* WHAT...South winds 15 to 25 mph with gusts up to 50 mph 
  expected.

* WHERE...Highway 31 between Paisley and Summer Lake in central 
  Lake County.

* WHEN...From 8 AM this morning to 8 PM PDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and some property damage is 
  possible. Driving may become difficult, especially for high 
  profile vehicles.

* ADDITIONAL DETAILS...Blowing snow could reduce visibilities at 
  times.

* 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
213 
WWUS76 KMFR 141945
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
1245 PM PDT Sun Mar 14 2021

CAZ081-150300-
/O.CON.KMFR.WI.Y.0015.000000T0000Z-210315T0300Z/
Central Siskiyou County-
Including the city of Weed
1245 PM PDT Sun Mar 14 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

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

* WHERE...The Shasta Valley in central Siskiyou County, 
  including the city of Weed and portions of Interstate 5 
  between Weed and Yreka.

* WHEN...Until 8 PM PDT this evening.

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

* ADDITIONAL DETAILS...Once winds weaken, precipitation will
  begin, and snow impacts are likely. See the Winter Weather 
  Message for more information on this.

* 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.

&&

$$

ORZ031-150300-
/O.CON.KMFR.WI.Y.0015.000000T0000Z-210315T0300Z/
Central and Eastern Lake County-
1245 PM PDT Sun Mar 14 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* WHAT...South winds 15 to 25 mph with gusts up to 50 mph 
  expected.

* WHERE...Highway 31 between Paisley and Summer Lake in central 
  Lake County.

* WHEN...Until 8 PM PDT this evening.

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

* ADDITIONAL DETAILS...Blowing snow could reduce visibilities at
  times.

* 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
130 
WWUS76 KMFR 150149
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
649 PM PDT Sun Mar 14 2021

CAZ081-150300-
/O.CON.KMFR.WI.Y.0015.000000T0000Z-210315T0300Z/
Central Siskiyou County-
Including the city of Weed
649 PM PDT Sun Mar 14 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

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

* WHERE...The Shasta Valley in central Siskiyou County, 
  including the city of Weed and portions of Interstate 5 
  between Weed and Yreka.

* WHEN...Until 8 PM PDT this evening.

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

* ADDITIONAL DETAILS...Once winds weaken, precipitation will 
  begin, and snow impacts are likely. See the Winter Weather 
  Message for more information on this.

* 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.

&&

$$

ORZ031-150300-
/O.CON.KMFR.WI.Y.0015.000000T0000Z-210315T0300Z/
Central and Eastern Lake County-
649 PM PDT Sun Mar 14 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* WHAT...South winds 15 to 25 mph with gusts up to 50 mph 
  expected.

* WHERE...Highway 31 between Paisley and Summer Lake in central 
  Lake County.

* WHEN...Until 8 PM PDT this evening.

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

* ADDITIONAL DETAILS...Blowing snow could reduce visibilities at 
  times.

* 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.

&&

$$

ORZ021-022-151300-
/O.NEW.KMFR.FZ.A.0001.210316T0700Z-210316T1600Z/
South Central Oregon Coast-Curry County Coast-
Including the cities of Coos Bay, North Bend, Reedsport, Bandon, 
Port Orford, Coquille, Harbor, and Gold Beach
649 PM PDT Sun Mar 14 2021

...FREEZE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
MORNING...

* WHAT...Sub-freezing temperatures 25 to 31 degrees possible. 
  Coldest temperatures will be in the coastal valleys away from 
  the immediate coastline. 

* WHERE...South Central Oregon Coast and Curry County Coast
  including Coos Bay, North Bend, Bandon, Port Orford, Gold Beach,
  Brookings.

* WHEN...From late Monday night through Tuesday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. 

&&

$$

Visit us at https://www.weather.gov/Medford
530 
WWUS76 KMFR 150302
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
802 PM PDT Sun Mar 14 2021

CAZ081-ORZ031-150415-
/O.EXP.KMFR.WI.Y.0015.000000T0000Z-210315T0300Z/
Central Siskiyou County-Central and Eastern Lake County-
Including the city of Weed
802 PM PDT Sun Mar 14 2021

...WIND ADVISORY HAS EXPIRED...

Winds have diminished.

$$

ORZ021-022-151300-
/O.CON.KMFR.FZ.A.0001.210316T0700Z-210316T1600Z/
South Central Oregon Coast-Curry County Coast-
Including the cities of Coos Bay, North Bend, Reedsport, Bandon, 
Port Orford, Coquille, Harbor, and Gold Beach
802 PM PDT Sun Mar 14 2021

...FREEZE WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY MORNING...

* WHAT...Sub-freezing temperatures 25 to 31 degrees possible. 
  Coldest temperatures will be in the coastal valleys away from 
  the immediate coastline.

* WHERE...South Central Oregon Coast and Curry County Coast 
  including Coos Bay, North Bend, Bandon, Port Orford, Gold 
  Beach, Brookings.

* WHEN...From late Monday night through Tuesday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

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

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 5:43 PM PSTSmall Craft AdvisoryMFR21 hr
Mar 12, 10:21 PM PSTWinter Weather AdvisoryMFRCoos, Curry, Douglas, Jackson, Josephine, Klamath and 1 more66 hr
Mar 12, 10:21 PM PSTWinter Storm WatchMFRSiskiyou16 hr
Mar 13, 2:32 PM PSTWinter Storm WarningMFRSiskiyou46 hr

Nearby

Wind Advisories in Oregon, 2021Wind Advisories in California, 2021Every wind advisory in 2021

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.