Alert archive / Oregon / Wind Advisories in 2011

Wind Advisory 22, NWS Medford, OR

November 18, 2011Klamath County, Lake County, Oregon

NWS Medford, OR issued this wind advisory at Nov 18, 2011, 1:10 AM PST for Klamath County, Lake County, Oregon. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Nov 18, 2011, 1:10 AM PST (09:10 UTC)
Expired
Nov 18, 2011, 1:00 PM PST
In force
12 hr
Issued by
NWS Medford, OR

Counties Klamath County, OR, Lake County, OR

The radar

The Medford radar (KMAX), 158 km from the middle of the area, began a volume at 09:10 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, 9.2 hours before the alert went out and 152 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 2011-11-18Temperature 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 2011-11-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 square meters per square second.1939587897117Sfc1 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
950 m above ground
0-6 km bulk shear
84 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
422 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.

831 
WWUS76 KMFR 180911
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
110 AM PST FRI NOV 18 2011

ORZ030-031-181715-
/O.NEW.KMFR.WI.Y.0022.111118T0910Z-111118T2100Z/
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
110 AM PST FRI NOV 18 2011

...WIND ADVISORY IN EFFECT UNTIL 1 PM PST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON. 

* WINDS...SOUTHWEST TO WEST WINDS GUSTING TO 55 MPH.
 
* TIMING...THROUGH 2 PM FRIDAY.

* LOCATIONS INCLUDE: RIDGES AND AREAS BELOW CANYON ENTRANCES SUCH
  AS SUMMER LAKE.  

* IMPACTS...OREGON HIGHWAY 31 NEAR SUMMER LAKE WILL BE IMPACTED BY
  THESE WINDS.

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
2 follow-up statements
293 
WWUS76 KMFR 181706
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
906 AM PST FRI NOV 18 2011

ORZ030-031-182100-
/O.CON.KMFR.WI.Y.0022.000000T0000Z-111118T2100Z/
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
906 AM PST FRI NOV 18 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS
AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON. 

* WINDS...SOUTHWEST TO WEST WINDS GUSTING TO 55 MPH.

* TIMING...UNTIL 1 PM THIS AFTERNOON.

* LOCATIONS INCLUDE: RIDGES AND AREAS BELOW CANYON ENTRANCES 
  SUCH AS SUMMER LAKE. 

* IMPACTS...OREGON HIGHWAY 31 NEAR SUMMER LAKE WILL BE IMPACTED
  BY THESE WINDS. 

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.

&&

$$
856 
WWUS76 KMFR 182111
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
111 PM PST FRI NOV 18 2011


ORZ030-031-182215-
/O.EXP.KMFR.WI.Y.0022.000000T0000Z-111118T2100Z/
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
111 PM PST FRI NOV 18 2011

...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT. 


$$

Nearby

Wind Advisories in Oregon, 2011Every wind advisory in 2011

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.