Alert archive / Oregon / High Wind Warnings in 2011

High Wind Warning 14, NWS Medford, OR

December 29, 2011Lake County, Oregon

NWS Medford, OR issued this high wind warning at Dec 29, 2011, 2:37 PM PST for Lake County, Oregon. It took effect at Dec 29, 2011, 7:07 PM PST. It was in force for 15 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
Dec 29, 2011, 2:37 PM PST (22:37 UTC)
In effect from
Dec 29, 2011, 7:07 PM PST
Expired
Dec 30, 2011, 9:56 AM PST
In force
15 hr
Issued by
NWS Medford, OR

County Lake County, OR

The radar

The Medford radar (KMAX), 207 km from the middle of the area, began a volume at 22:39 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, 10.6 hours before the alert went out and 203 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 2011-12-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 71 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 12:00Z on 2011-12-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 174 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
71 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
739 m above ground
0-6 km bulk shear
85 kt
0-1 km storm-relative helicity
174 m²/s²
0-3 km storm-relative helicity
336 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.

360 
WWUS76 KMFR 292237
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
237 PM PST THU DEC 29 2011

...HIGH WINDS EXPECTED WITH A STRONG COLD FRONT FRIDAY...

.A STRONG COLD FRONT WILL CROSS SOUTH-CENTRAL OREGON ON FRIDAY
WITH STRONG TO POTENTIALLY DAMAGING WINDS.

ORZ030-292345-
/O.CAN.KMFR.HW.A.0011.111230T1500Z-111231T0000Z/
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
237 PM PST THU DEC 29 2011

...HIGH WIND WATCH IS CANCELLED...

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

HIGH WINDS LATE TONIGHT THROUGH FRIDAY ARE EXPECTED TO IMPACT
AREAS MAINLY TO THE EAST AROUND SUMMER LAKE.

$$

ORZ031-301200-
/O.UPG.KMFR.HW.A.0011.111230T1500Z-111231T0000Z/
/O.NEW.KMFR.HW.W.0014.111230T0900Z-111230T2100Z/
CENTRAL AND EASTERN LAKE COUNTY-
237 PM PST THU DEC 29 2011

...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 1 PM PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 1 AM TO 1 PM PST FRIDAY. THE
HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* WINDS...SUSTAINED WINDS WILL INCREASE TO 25 TO 35 MPH WITH
  OCCASIONAL GUSTS TO 40 MPH THIS EVENING. WINDS WILL THEN
  INCREASE TO 40 TO 50 MPH WITH GUSTS UP TO 70 MPH LATE TONIGHT
  THROUGH FRIDAY MORNING.

* LOCATIONS INCLUDE: HIGHWAY 31 BETWEEN PAISLEY AND SILVER
  LAKE...AND HIGHER TERRAIN OF SOUTHERN LAKE COUNTY.

* IMPACTS...HIGH PROFILE VEHICLES WILL EXPERIENCE HAZARDOUS
  DRIVING CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
WITH SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR
STRONGER. CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

STAVISH
3 follow-up statements
993 
WWUS76 KMFR 300307
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
707 PM PST THU DEC 29 2011

...HIGH WINDS WITH A STRONG COLD FRONT EXPECTED OVERNIGHT INTO
FRIDAY...

.A STRONG COLD FRONT WILL CROSS SOUTH-CENTRAL OREGON ON FRIDAY
WITH STRONG TO POTENTIALLY DAMAGING WINDS.

ORZ031-301515-
/O.EXT.KMFR.HW.W.0014.111230T0307Z-111230T2100Z/
CENTRAL AND EASTERN LAKE COUNTY-
707 PM PST THU DEC 29 2011

...HIGH WIND WARNING NOW IN EFFECT UNTIL 1 PM PST FRIDAY...

THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL 1 PM PST FRIDAY. 

* WINDS...SOUTHWEST WINDS OF 40 TO 50 MPH WITH GUSTS UP TO 70 MPH
  WILL CONTINUE OVERNIGHT THROUGH FRIDAY MORNING.

* LOCATIONS INCLUDE: HIGHWAY 31 BETWEEN PAISLEY AND SILVER 
  LAKE...AND HIGHER TERRAIN OF SOUTHERN LAKE COUNTY.

* IMPACTS...HIGH PROFILE VEHICLES WILL EXPERIENCE HAZARDOUS 
  DRIVING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
WITH SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR
STRONGER. CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

CAZ081-301515-
/O.NEW.KMFR.WI.Y.0026.111230T0600Z-111230T1800Z/
CENTRAL SISKIYOU COUNTY-
707 PM PST THU DEC 29 2011

...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM
PST FRIDAY. 

* WINDS...SOUTHEAST WINDS WILL INCREASE LATER TONIGHT TO 30 TO 40
  MPH WITH GUSTS TO 50 MPH. WINDS WILL BEGIN TO DIMINISH FRIDAY
  AFTERNOON.

* LOCATIONS INCLUDE: INTERSTATE 5 CORRIDOR FROM WEED TO YREKA.

* IMPACTS...HIGH PROFILE VEHICLES WILL EXPERIENCE HAZARDOUS
  DRIVING CONDITIONS.

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.

&&

$$

SK
926 
WWUS76 KMFR 301116
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
316 AM PST FRI DEC 30 2011

...HIGH WINDS WITH A STRONG COLD FRONT EXPECTED OVERNIGHT INTO
FRIDAY...

.A STRONG COLD FRONT WILL CROSS SOUTH-CENTRAL OREGON ON FRIDAY
WITH STRONG TO POTENTIALLY DAMAGING WINDS.

CAZ081-301230-
/O.CAN.KMFR.WI.Y.0026.000000T0000Z-111230T1800Z/
CENTRAL SISKIYOU COUNTY-
316 AM PST FRI DEC 30 2011

...WIND ADVISORY FOR THE SHASTA VALLEY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE WIND
ADVISORY FOR THE SHASTA VALLEY. SOUTHEAST WINDS HAVE DECREASED
BELOW 40 MPH AND WILL CONTINUE IN THE 20 TO 30 MPH RANGE UNTIL
LATE THIS MORNING.


$$

ORZ031-301930-
/O.CON.KMFR.HW.W.0014.000000T0000Z-111230T2100Z/
CENTRAL AND EASTERN LAKE COUNTY-
316 AM PST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 PM PST THIS
AFTERNOON...

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

* WINDS...SOUTHWEST WINDS OF 40 TO 50 MPH WITH GUSTS UP TO 70 
  MPH WILL CONTINUE OVERNIGHT THROUGH FRIDAY MORNING. 

* LOCATIONS INCLUDE: HIGHWAY 31 BETWEEN PAISLEY AND SILVER 
  LAKE...AND HIGHER TERRAIN OF SOUTHERN LAKE COUNTY.

* IMPACTS...HIGH PROFILE VEHICLES WILL EXPERIENCE HAZARDOUS 
  DRIVING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
WITH SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR
STRONGER. CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$
807 
WWUS76 KMFR 301756
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
956 AM PST FRI DEC 30 2011

ORZ031-301900-
/O.CAN.KMFR.HW.W.0014.000000T0000Z-111230T2100Z/
CENTRAL AND EASTERN LAKE COUNTY-
956 AM PST FRI DEC 30 2011

...HIGH WIND WARNING IS CANCELLED...

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

WINDS HAVE DECREASED AROUND SUMMER LAKE AND WINDS WILL REMAIN
BELOW WARNING CRITERIA THROUGH THE DAY. HOWEVER...LOCAL WIND
GUSTS OF 30 TO AROUND 40 MPH ARE STILL EXPECTED THROUGH THE DAY
AS A COLD FRONT CONTINUES THROUGH THE REGION.

$$

STAVISH

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 29, 2:53 AM PSTHigh Wind WatchMFRKlamath, Lake12 hr
Dec 29, 3:05 AM PSTHazardous Seas WarningMFR24 hr
Dec 29, 3:05 AM PSTSmall Craft Advisory for WindsMFR22 hr
Dec 29, 3:05 AM PSTSmall Craft Advisory for Hazardous SeasMFR12 hr
Dec 29, 2:36 PM PSTWinter Weather AdvisoryMFRDouglas, Jackson, Klamath28 hr

Nearby

High Wind Warnings in Oregon, 2011Every high wind warning 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.