Alert archive / California / Wind Advisories in 2012

Wind Advisory 36, NWS Medford, OR

November 20, 2012Siskiyou County, California

NWS Medford, OR issued this wind advisory at Nov 20, 2012, 9:38 PM PST for Siskiyou County, California. It took effect at Nov 20, 2012, 10:00 PM PST. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Nov 20, 2012, 9:38 PM PST (05:38 UTC)
In effect from
Nov 20, 2012, 10:00 PM PST
Expired
Nov 21, 2012, 2:59 AM PST
In force
5 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 05:42 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, 5.6 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 2012-11-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 62 joules per kilogram.LCLLFCEL10008507005003002001001 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 2012-11-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 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
62 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
827 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
273 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

453 
WWUS76 KMFR 210538
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
938 PM PST TUE NOV 20 2012

CAZ081-211100-
/O.NEW.KMFR.WI.Y.0036.121121T0600Z-121121T1100Z/
CENTRAL SISKIYOU COUNTY-
938 PM PST TUE NOV 20 2012

...WIND ADVISORY IN EFFECT UNTIL 3 AM PST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 3 AM PST WEDNESDAY. 

* WINDS...SOUTH WINDS 25 TO 35 MPH WITH GUSTS 40 TO 50 MPH.

* TIMING...NOW THROUGH 3 AM PST WEDNESDAY.

* LOCATIONS INCLUDE: WEED TO SOUTH OF YREKA...PARTICULARLY
  INTERSTATE FIVE NEAR WEED AIRPORT.

* IMPACTS...INTERSTATE FIVE NORTH OF BLACK BUTTE SUMMIT TO WEED 
  AIRPORT.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR 

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.

&&

$$

CAZ083-211100-
/O.EXB.KMFR.WI.Y.0034.121121T0600Z-121121T1100Z/
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
938 PM PST TUE NOV 20 2012

...WIND ADVISORY IN EFFECT UNTIL 3 AM PST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 3 AM PST WEDNESDAY. 

* WINDS...BETWEEN PAISLEY AND SILVER LAKE...SOUTH 30 TO 40 MPH 
  WITH GUSTS TO 55 MPH. ELSEWHERE IN NORTHERN KLAMATH AND LAKE 
  COUNTIES...SOUTH 25 TO 35 MPH WITH GUSTS TO 45 MPH. 

* TIMING...STRONG SOUTH WINDS WILL CONTINUE THIS AFTERNOON. 
  THERE WILL BE A BRIEF LULL IN THE WINDS LATE THIS EVENING 
  BEFORE THEY BEGIN TO INCREASE AGAIN OVERNIGHT. 

* LOCATIONS INCLUDE: SUMMER LAKE...SILVER LAKE...PAISLEY... 
  LAKEVIEW

* IMPACTS...TRAVELERS ON LOCAL ROADS SHOULD EXERCISE CAUTION... 
  ESPECIALLY HIGHWAY 31 BETWEEN PAISLEY AND SILVER LAKE AND ON 
  HIGHWAY 140 NEAR ADEL. SPORADIC GUSTS WILL MAKE DRIVING 
  DIFFICULT... ESPECIALLY IN HIGH PROFILE VEHICLES. LOOSE 
  OBJECTS MAY BE BLOWN AWAY. SOME TREE DAMAGE IS POSSIBLE... 
  ESPECIALLY IN AREAS WHERE HEAVY RAIN HAS OCCURRED. 

* FOR A DETAILED VIEW OF THE HAZARD AREAS...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR

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.

&&

$$

ORZ030-031-211400-
/O.CON.KMFR.WI.Y.0034.000000T0000Z-121122T0000Z/
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITY OF...LAKEVIEW
938 PM PST TUE NOV 20 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST WEDNESDAY. 

* WINDS...BETWEEN PAISLEY AND SILVER LAKE...SOUTH 30 TO 40 MPH 
  WITH GUSTS TO 55 MPH. ELSEWHERE IN NORTHERN KLAMATH AND LAKE 
  COUNTIES...SOUTH 25 TO 35 MPH WITH GUSTS TO 45 MPH. 

* TIMING...STRONG SOUTH WINDS WILL CONTINUE THIS AFTERNOON. 
  THERE WILL BE A BRIEF LULL IN THE WINDS LATE THIS EVENING 
  BEFORE THEY BEGIN TO INCREASE AGAIN OVERNIGHT. 

* LOCATIONS INCLUDE: SUMMER LAKE...SILVER LAKE...PAISLEY... 
  LAKEVIEW

* IMPACTS...TRAVELERS ON LOCAL ROADS SHOULD EXERCISE CAUTION... 
  ESPECIALLY HIGHWAY 31 BETWEEN PAISLEY AND SILVER LAKE AND ON 
  HIGHWAY 140 NEAR ADEL. SPORADIC GUSTS WILL MAKE DRIVING 
  DIFFICULT... ESPECIALLY IN HIGH PROFILE VEHICLES. LOOSE 
  OBJECTS MAY BE BLOWN AWAY. SOME TREE DAMAGE IS POSSIBLE... 
  ESPECIALLY IN AREAS WHERE HEAVY RAIN HAS OCCURRED. 

* FOR A DETAILED VIEW OF THE HAZARD AREAS...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR

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.

&&

$$

CAZ085-211400-
/O.CON.KMFR.WI.Y.0035.000000T0000Z-121122T0000Z/
MODOC COUNTY-
938 PM PST TUE NOV 20 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST WEDNESDAY. 

* WINDS...SOUTH 30 TO 40 MPH WITH GUSTS NEAR 60 MPH.

* TIMING...WINDS WILL SUBSIDE BRIEFLY THIS AFTERNOON BEFORE 
  INCREASING AGAIN LATE TONIGHT. THE STRONGEST WINDS WILL 
  OCCUR JUST BEFORE SUNRISE WEDNESDAY MORNING.

* LOCATIONS INCLUDE: RURAL AREAS OF EASTERN AND SOUTHERN MODOC
  COUNTY.

* IMPACTS...TRAVEL WILL BE DIFFICULT ON AREA ROADS...INCLUDING 
  HIGHWAY 395. EAST WEST ORIENTED PORTIONS OF HIGHWAY 299 MAY 
  BE PARTICULARLY IMPACTED BY THE STRONG SOUTH WINDS.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR

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.

&&

$$

BTL/MSO
1 follow-up statement
189 
WWUS76 KMFR 211059
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
259 AM PST WED NOV 21 2012

CAZ081-211200-
/O.CAN.KMFR.WI.Y.0036.000000T0000Z-121121T1100Z/
CENTRAL SISKIYOU COUNTY-
259 AM PST WED NOV 21 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE WIND
ADVISORY. 

$$

CAZ083-211200-
/O.CAN.KMFR.WI.Y.0034.000000T0000Z-121121T1100Z/
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
259 AM PST WED NOV 21 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE WIND
ADVISORY. 


$$

ORZ030-031-211900-
/O.CON.KMFR.WI.Y.0034.000000T0000Z-121122T0000Z/
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITY OF...LAKEVIEW
259 AM PST WED NOV 21 2012

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

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

* WINDS...BETWEEN PAISLEY AND SILVER LAKE...SOUTH 30 TO 40 MPH 
  WITH GUSTS TO 55 MPH. ELSEWHERE IN NORTHERN KLAMATH AND LAKE 
  COUNTIES...SOUTH 25 TO 35 MPH WITH GUSTS TO 45 MPH. 

* TIMING...STRONG SOUTH WINDS WILL CONTINUE THIS AFTERNOON. 
  THERE WILL BE A BRIEF LULL IN THE WINDS LATE THIS EVENING 
  BEFORE THEY BEGIN TO INCREASE AGAIN OVERNIGHT.

* LOCATIONS INCLUDE: SUMMER LAKE...SILVER LAKE...PAISLEY... 
  LAKEVIEW

* IMPACTS...TRAVELERS ON LOCAL ROADS SHOULD EXERCISE CAUTION... 
  ESPECIALLY HIGHWAY 31 BETWEEN PAISLEY AND SILVER LAKE AND ON 
  HIGHWAY 140 NEAR ADEL. SPORADIC GUSTS WILL MAKE DRIVING 
  DIFFICULT... ESPECIALLY IN HIGH PROFILE VEHICLES. LOOSE 
  OBJECTS MAY BE BLOWN AWAY. SOME TREE DAMAGE IS POSSIBLE... 
  ESPECIALLY IN AREAS WHERE HEAVY RAIN HAS OCCURRED.

* FOR A DETAILED VIEW OF THE HAZARD AREAS...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR

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.

&&

$$

CAZ085-211900-
/O.CON.KMFR.WI.Y.0035.000000T0000Z-121122T0000Z/
MODOC COUNTY-
259 AM PST WED NOV 21 2012

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

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

* WINDS...SOUTH 30 TO 40 MPH WITH GUSTS NEAR 60 MPH.

* TIMING...WINDS WILL SUBSIDE BRIEFLY THIS AFTERNOON BEFORE 
  INCREASING AGAIN LATE TONIGHT. THE STRONGEST WINDS WILL 
  OCCUR JUST BEFORE SUNRISE WEDNESDAY MORNING.

* LOCATIONS INCLUDE: RURAL AREAS OF EASTERN AND SOUTHERN MODOC 
  COUNTY.

* IMPACTS...TRAVEL WILL BE DIFFICULT ON AREA ROADS...INCLUDING 
  HIGHWAY 395. EAST WEST ORIENTED PORTIONS OF HIGHWAY 299 MAY 
  BE PARTICULARLY IMPACTED BY THE STRONG SOUTH WINDS.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR

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.

&&

$$

Nearby

Wind Advisories in California, 2012Every wind advisory in 2012

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.