Alert archive / California / High Wind Warnings in 2017

High Wind Warning 13, NWS Medford, OR

April 11, 2017Siskiyou County, California

NWS Medford, OR issued this high wind warning at Apr 11, 2017, 3:25 AM PDT for Siskiyou County, California. It took effect at Apr 11, 2017, 5:00 PM PDT. It was in force for 11 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 11, 2017, 3:25 AM PDT (10:25 UTC)
In effect from
Apr 11, 2017, 5:00 PM PDT
Expired
Apr 12, 2017, 3:43 AM PDT
In force
11 hr
Issued by
NWS Medford, OR

County Siskiyou County, CA

The radar

The Medford radar (KMAX), 56 km from the middle of the area, began a volume at 10:27 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 00:00Z, 10.4 hours before the alert went out and 89 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 2017-04-11Temperature 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 2017-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.1939587897117136Sfc1 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
1667 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

230 
WWUS76 KMFR 111025
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
325 AM PDT Tue Apr 11 2017

...Strong front brings strong winds to the Shasta and Rogue
valleys, and east of the Cascades this afternoon into tonight...

.South winds will increase ahead of an approaching cold front,
bringing strong south winds to the Shasta valley and the southern
end of the Rogue valley near Medford this afternoon. Southwest 
winds will also in areas east of the Cascades this evening.

CAZ081-112230-
/O.UPG.KMFR.HW.A.0014.170412T0000Z-170412T1200Z/
/O.NEW.KMFR.WI.Y.0022.170412T0000Z-170412T1200Z/
/O.NEW.KMFR.HW.W.0013.170412T0000Z-170412T1200Z/
Central Siskiyou County-
Including the city of Weed
325 AM PDT Tue Apr 11 2017

...HIGH WIND WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM
PDT WEDNESDAY...
...WIND ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM PDT
WEDNESDAY...

The National Weather Service in Medford has issued a High Wind
Warning...which is in effect from 5 PM this afternoon to 5 AM PDT
Wednesday. A Wind Advisory has also been issued. This Wind
Advisory is in effect from 5 PM this afternoon to 5 AM PDT
Wednesday. The High Wind Watch is no longer in effect. 

* Winds...South to Southeast 30 to 40 mph with gusts up to 60 
  mph.

* Timing...Winds will increase this evening and peak late evening
  into tonight. Winds will decrease on Wednesday but remain gusty
  through Wednesday night. 

* Locations include...Southern Shasta Valley including 
  Interstate 5 from Grenada to Weed. 

* Impacts... Strong winds may make driving difficult, especially 
  for high profile vehicles. Loose or unsecured objects may be 
  lost or damaged. 

Precautionary/preparedness actions...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts of
58 mph or more can lead to property damage. Travel will be
impacted, especially for high profile vehicles.

&&

$$

CAZ085-ORZ031-112230-
/O.UPG.KMFR.HW.A.0014.170412T0300Z-170412T1500Z/
/O.NEW.KMFR.WI.Y.0022.170412T0300Z-170412T1500Z/
Modoc County-Central and Eastern Lake County-
325 AM PDT Tue Apr 11 2017

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

The National Weather Service in Medford has issued a Wind
Advisory...which is in effect from 8 PM this evening to 8 AM PDT
Wednesday. The High Wind Watch is no longer in effect. 

* Winds...South to southwest 30 to 40 mph with gusts up to 60 
  mph.

* Timing...Winds will increase this evening and peak tonight. 
  Winds will decrease late Wednesday morning but remain gusty 
  through Wednesday night. 

* Locations include...Highway 31 between Paisley and Summer 
  Lake, Highway 140 east of Lakeview, Highway 299 over Cedar 
  Pass and higher terrain in Lake and Modoc Counties. 

* Impacts... Strong winds may make driving difficult, especially 
  for high profile vehicles. Loose or unsecured objects may be 
  lost or damaged. 

Precautionary/preparedness actions...

A Wind Advisory means that winds of 35 mph are expected with
higher gusts possible. Winds this strong can make driving
difficult, especially for high profile vehicles. Use extra
caution.

&&

$$

ORZ026-112230-
/O.NEW.KMFR.WI.Y.0022.170412T0000Z-170412T1200Z/
Jackson County-
Including the cities of Medford and Ashland
325 AM PDT Tue Apr 11 2017

...WIND ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM PDT
WEDNESDAY...

The National Weather Service in Medford has issued a Wind
Advisory...which is in effect from 5 PM this afternoon to 5 AM
PDT Wednesday. 

* Winds...South winds 25 to 30 mph with gusts to 50 mph.

* Timing...Winds will increase this evening and peak late evening
  into tonight. Winds will decrease on Wednesday but remain gusty
  through Wednesday night.

* Locations include...The southern Rogue valley in Jackson county,
  including the cities of Ashland, Talent and Phoenix. Strong
  winds may extend into south Medford.

* Impacts...A Wind Advisory means that winds of 25 to 39 mph are expected
  with higher gusts possible. Winds this strong can make driving 
  difficult, especially for high profile vehicles. Use extra 
  caution.

* View the hazard area in detail at 
  http://weather.gov/medford/hazard 

Precautionary/preparedness actions...

A Wind Advisory means that winds of 35 mph are expected with
higher gusts possible. Winds this strong can make driving
difficult, especially for high profile vehicles. Use extra
caution.

&&

$$
Sven
2 follow-up statements
876 
WWUS76 KMFR 112200
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
300 PM PDT Tue Apr 11 2017

...Strong winds in the Shasta Valley...Rogue Valley...and areas 
   east of the Cascades into tonight...

.Strong south winds are occuring in the Shasta valley and the 
southern end of the Rogue valley near Medford this afternoon. 
Strong south to southwest winds are also occurring in areas east 
of the Cascades.

CAZ081-121200-
/O.CON.KMFR.HW.W.0013.170412T0000Z-170412T1200Z/
/O.CON.KMFR.WI.Y.0022.170412T0000Z-170412T1200Z/
Central Siskiyou County-
Including the city of Weed
300 PM PDT Tue Apr 11 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM PDT WEDNESDAY...
...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT WEDNESDAY...

* Winds...South to southeast 30 to 40 mph with gusts up to 60 mph.

* Timing...Winds peak late this evening into tonight. Winds will
  decrease Wednesday but remain gusty through Wednesday night.

* Locations include...Southern Shasta Valley including 
  Interstate 5 from Grenada to Weed. 

* Impacts...Loose or unsecured objects may be lost or damaged.

Precautionary/preparedness actions...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage. Travel will be
impacted, especially for high profile vehicles.

A Wind Advisory means that winds of 35 mph are expected with
higher gusts possible. Winds this strong can make driving
difficult, especially for high profile vehicles. Use extra
caution.

&&

$$

ORZ026-121200-
/O.CON.KMFR.WI.Y.0022.170412T0000Z-170412T1200Z/
Jackson County-
Including the cities of Medford and Ashland
300 PM PDT Tue Apr 11 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT WEDNESDAY...

* Winds...South 25 to 30 mph with gusts to 50 mph.

* Timing...Winds will peak late this evening into tonight. Winds 
  will decrease on Wednesday but remain gusty through Wednesday 
  night.

* Locations include...The southern Rogue valley in Jackson 
  county, including the cities of Ashland, Talent and Phoenix. 
  Strong winds may extend into south Medford. 

* Impacts...Loose or unsecured objects may be lost or damaged.

* View the hazard area in detail at 
  http://weather.gov/medford/hazard 

Precautionary/preparedness actions...

A Wind Advisory means that winds of 35 mph are expected with
higher gusts possible. Winds this strong can make driving
difficult, especially for high profile vehicles. Use extra
caution.

&&

$$

CAZ085-ORZ031-121200-
/O.CON.KMFR.WI.Y.0022.170412T0300Z-170412T1500Z/
Modoc County-Central and Eastern Lake County-
300 PM PDT Tue Apr 11 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM
   PDT WEDNESDAY...

* Winds...South to southwest 30 to 40 mph with gusts up to 60 mph.

* Timing...Winds will peak tonight. Winds will decrease late 
  Wednesday morning but remain gusty through Wednesday night.

* Locations include...Highway 31 between Paisley and Summer 
  Lake, Highway 140 east of Lakeview, Highway 299 over Cedar 
  Pass and higher terrain in Lake and Modoc Counties. 

* Impacts...Loose or unsecured objects may be lost or damaged.

Precautionary/preparedness actions...

A Wind Advisory means that winds of 35 mph are expected with
higher gusts possible. Winds this strong can make driving
difficult, especially for high profile vehicles. Use extra
caution.

&&

$$

Stockton
911 
WWUS76 KMFR 121043
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
343 AM PDT Wed Apr 12 2017

CAZ081-121145-
/O.CAN.KMFR.HW.W.0013.000000T0000Z-170412T1200Z/
/O.CAN.KMFR.WI.Y.0022.000000T0000Z-170412T1200Z/
Central Siskiyou County-
343 AM PDT Wed Apr 12 2017

...HIGH WIND WARNING IS CANCELLED...
...WIND ADVISORY IS CANCELLED...

The National Weather Service in Medford has cancelled the High
Wind Warning. The Wind Advisory has been cancelled. 

South winds will continue to decrease through the morning.

$$

ORZ026-121145-
/O.CAN.KMFR.WI.Y.0022.000000T0000Z-170412T1200Z/
Jackson County-
343 AM PDT Wed Apr 12 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Medford has cancelled the Wind
Advisory. 

South winds will continue to decrease through the morning.

$$

CAZ085-ORZ031-121500-
/O.CON.KMFR.WI.Y.0022.000000T0000Z-170412T1500Z/
Modoc County-Central and Eastern Lake County-
343 AM PDT Wed Apr 12 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING...

* Winds...South to southwest 30 to 40 mph with gusts up to 60 
  mph.

* Timing...Winds will decrease by late morning but remain gusty
  through tonight. 

* Locations include...Highway 31 between Paisley and Summer 
  Lake, Highway 140 east of Lakeview, Highway 299 over Cedar 
  Pass and higher terrain in Lake and Modoc Counties. 

* Impacts...Loose or unsecured objects may be lost or damaged.

Precautionary/preparedness actions...

A Wind Advisory means that winds of 35 mph are expected with
higher gusts possible. Winds this strong can make driving
difficult, especially for high profile vehicles. Use extra
caution.

&&

$$
Sven

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 11, 3:25 AM PDTWind AdvisoryMFRModoc, Siskiyou29 hr
Apr 11, 3:15 PM PDTWinter Weather AdvisoryMFRSiskiyou32 hr

Nearby

High Wind Warnings in California, 2017Every high wind warning in 2017

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.