Alert archive / Oregon / Wind Advisories in 2012

Wind Advisory 20, NWS Medford, OR

March 21, 2012Klamath County, Lake County, Oregon

NWS Medford, OR issued this wind advisory at Mar 21, 2012, 11:12 PM PDT for Klamath County, Lake County, Oregon. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Mar 21, 2012, 11:12 PM PDT (06:12 UTC)
Expired
Mar 22, 2012, 5:00 AM PDT
In force
6 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 06:15 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, 6.2 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 2012-03-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 30 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 2012-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 234 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
30 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
676 m above ground
0-6 km bulk shear
85 kt
0-1 km storm-relative helicity
234 m²/s²
0-3 km storm-relative helicity
391 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.

258 
WWUS76 KMFR 220612
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
1112 PM PDT WED MAR 21 2012


ORZ030-031-221200-
/O.CAN.KMFR.HW.W.0014.000000T0000Z-120322T1200Z/
/O.NEW.KMFR.WI.Y.0020.120322T0612Z-120322T1200Z/
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
1112 PM PDT WED MAR 21 2012

...WIND ADVISORY IN EFFECT UNTIL 5 AM PDT THURSDAY...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 5 AM PDT THURSDAY. THE HIGH
WIND WARNING HAS BEEN DOWNGRADED.

* WINDS...SOUTHWEST WINDS WILL CONTINUE AT 25 TO 35 MPH WITH GUSTS
  OF 45 TO 55 MPH THROUGH 5 AM PDT THURSDAY MORNING.

* TIMING...WINDS WILL BE STRONGEST UNTIL 1 AM PDT THURSDAY BUT
  HIGH WINDS WILL PERSIST THROUGH 5 AM PDT THURSDAY MORNING.

* LOCATIONS INCLUDE: THE SUMMER LAKE AREA AND PORTIONS OF HIGHWAY
  31 BETWEEN PAISLEY AND SILVER LAKE...PORTIONS OF HIGHWAY 395
  NEAR VALLEY FALLS...AND HIGHWAY 140 IN THE WARNER MOUNTAINS EAST
  OF LAKEVIEW.

* IMPACTS...TRAVEL ON PORTIONS OF HIGHWAYS 31...395...AND 140 WILL
  BE DIFFICULT...ESPECIALLY FOR HIGH-PROFILE VEHICLES.


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.

&&

$$

CAZ081-220715-
/O.CAN.KMFR.WI.Y.0019.000000T0000Z-120322T0900Z/
CENTRAL SISKIYOU COUNTY-
1112 PM PDT WED MAR 21 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE WIND
ADVISORY. SOUTH WINDS HAVE DIMINISHED TO 15 TO 25 MPH WITH GUSTS
TO 35 MPH.

$$

CAZ083>085-ORZ029-220715-
/O.EXP.KMFR.WI.Y.0019.000000T0000Z-120322T0600Z/
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-MODOC COUNTY-
KLAMATH BASIN-
1112 PM PDT WED MAR 21 2012

...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT. SOUTH WINDS HAVE
DIMINISHED TO 15 TO 30 MPH WITH GUSTS TO 40 MPH.


$$
DW
1 follow-up statement
721 
WWUS76 KMFR 221206
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
506 AM PDT THU MAR 22 2012

ORZ030-031-221315-
/O.EXP.KMFR.WI.Y.0020.000000T0000Z-120322T1200Z/
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
506 AM PDT THU MAR 22 2012

...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT. 

SOUTHWEST WINDS HAVE EASED TO 15 TO 25 MPH WITH GUSTS TO 35 MPH ACROSS
THE EARLY THIS MORNING.

$$

MAS

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 21, 7:24 PM PDTRiver Flood WarningMFRDouglas5 hr
Mar 22, 2:44 AM PDTGale WatchMFR12 hr
Mar 22, 2:44 AM PDTHazardous Seas WatchMFR12 hr
Mar 22, 2:44 AM PDTSmall Craft Advisory for WindsMFR32 hr
Mar 22, 2:44 AM PDTSmall Craft Advisory for Hazardous SeasMFR44 hr
Mar 22, 2:59 PM PDTGale WarningMFR32 hr
Mar 22, 2:59 PM PDTHazardous Seas WarningMFR32 hr

Nearby

Wind 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.