Alert archive / California / Wind Advisories in 2012

Wind Advisory 11, NWS Medford, OR

February 24, 2012Klamath County, Oregon; Modoc County, Siskiyou County, California

NWS Medford, OR issued this wind advisory at Feb 24, 2012, 2:28 PM PST for Klamath County, Oregon; Modoc County, Siskiyou County, California. It took effect at Feb 24, 2012, 7:00 PM PST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Feb 24, 2012, 2:28 PM PST (22:28 UTC)
In effect from
Feb 24, 2012, 7:00 PM PST
Expired
Feb 25, 2012, 3:44 AM PST
In force
9 hr
Issued by
NWS Medford, OR

Counties Modoc County, CA, Siskiyou County, CA, Klamath County, OR

The radar

The Medford radar (KMAX), 90 km from the middle of the area, began a volume at 22:30 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 106 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 2012-02-24Temperature 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 2012-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 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
915 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

168 
WWUS76 KMFR 242228
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
228 PM PST FRI FEB 24 2012

...HIGH WINDS EXPECTED FRIDAY EVENING THROUGH SATURDAY MORNING...

ORZ030-031-251245-
/O.CON.KMFR.HW.W.0009.120225T0300Z-120225T1500Z/
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
228 PM PST FRI FEB 24 2012

...HIGH WIND WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
   7 AM PST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
7 AM PST SATURDAY. 

* WINDS...SOUTHWEST TO WEST 30 TO 40 MPH GUSTING TO 60 MPH.

* TIMING...WINDS WILL INCREASE THIS EVENING...THEN DIMINISH
  SATURDAY MORNING.

* IMPACTS...MOSTLY RURAL AREAS IN EASTERN KLAMATH COUNTY WILL 
  BE AFFECTED. HIGH PROFILE VEHICLES WILL BE SUBJECT TO STRONG 
  CROSSWINDS IN SOME LOCATIONS.

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.

&&

$$

CAZ084-085-ORZ029-251245-
/O.NEW.KMFR.WI.Y.0011.120225T0300Z-120225T1500Z/
NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-MODOC COUNTY-
KLAMATH BASIN-
228 PM PST FRI FEB 24 2012

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

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM PST
SATURDAY. 

* WINDS...SOUTHWEST TO WEST 25 T0 35 MPH GUSTING TO 50 MPH.

* TIMING...WINDS WILL INCREASE THIS EVENING...THEN DIMINISH
  SATURDAY MORNING.

* LOCATIONS INCLUDE: KLAMATH FALLS...TULELAKE...DORRIS...
  ALTURAS...CANBY

* IMPACTS... HIGH PROFILE VEHICLES WILL BE SUBJECT TO STRONG 
  CROSSWINDS IN SOME LOCATIONS.

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
1 follow-up statement
635 
WWUS76 KMFR 251144
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
344 AM PST SAT FEB 25 2012

ORZ030-031-251245-
/O.CAN.KMFR.HW.W.0009.000000T0000Z-120225T1500Z/
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
344 AM PST SAT FEB 25 2012

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE HIGH
WIND WARNING. 

A WINTER WEATHER ADVISORY IS NOW IN EFFECT FOR THE AREA AS
OCCASIONAL SNOW AND FLURRIES WILL COMBINE WITH WIND GUSTS OF 45 TO
55 MPH TO PRODUCE BLOWING SNOW AND LIMITED VISIBILITY.

$$

CAZ084-085-ORZ029-251245-
/O.CAN.KMFR.WI.Y.0011.000000T0000Z-120225T1500Z/
NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-MODOC COUNTY-
KLAMATH BASIN-
344 AM PST SAT FEB 25 2012

...WIND ADVISORY IS CANCELLED...

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

WINDS WILL BE FROM THE WEST AT 15 TO 25 MPH WITH GUSTS TO 35 MPH.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 3:09 AM PSTGale WarningMFR24 hr
Feb 24, 3:09 AM PSTHazardous Seas WarningMFR48 hr
Feb 24, 3:09 AM PSTSmall Craft Advisory for WindsMFR35 hr
Feb 24, 3:09 AM PSTSmall Craft Advisory for Hazardous SeasMFR19 hr
Feb 24, 3:35 AM PSTHigh Wind WarningMFRKlamath, Lake24 hr
Feb 24, 3:35 AM PSTWinter Weather AdvisoryMFRCoos, Curry, Douglas, Jackson, Josephine, Klamath and 1 more34 hr
Feb 24, 2:29 PM PSTHigh Surf AdvisoryMFRCoos, Curry, Douglas32 hr

Nearby

Wind Advisories in California, 2012Wind Advisories in Oregon, 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.