Alert archive / California / Wind Advisories in 2016

Wind Advisory 50, NWS Medford, OR

December 22, 2016Siskiyou County, California

NWS Medford, OR issued this wind advisory at Dec 22, 2016, 1:16 PM PST for Siskiyou County, California. It took effect at Dec 23, 2016, 1:00 AM PST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Dec 22, 2016, 1:16 PM PST (21:16 UTC)
In effect from
Dec 23, 2016, 1:00 AM PST
Expired
Dec 23, 2016, 3:00 PM PST
In force
14 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 21:13 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, 9.3 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 12:00Z on 2016-12-22Temperature 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 2016-12-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.19395878Sfc1 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
1812 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

396 
WWUS76 KMFR 222116
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
116 PM PST THU DEC 22 2016

CAZ081-231200-
/O.NEW.KMFR.WI.Y.0050.161223T0900Z-161223T2100Z/
CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITY OF...WEED
116 PM PST THU DEC 22 2016

...WIND ADVISORY IN EFFECT FROM 1 AM TO 1 PM PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 1 PM PST FRIDAY. 

* WINDS...SOUTH 25 TO 35 MPH WITH GUSTS UP TO 45 MPH. 

* TIMING...WINDS WILL INCREASE LATE TONIGHT...REACH A PEAK BY LATE
  FRIDAY MORNING...THEN DECREASE THROUGH THE AFTERNOON.

* LOCATIONS INCLUDE...WEED...INTERSTATE 5 BETWEEN WEED AND
  GRENADA...AND PORTIONS OF HIGHWAY 97 NORTHEAST OF WEED.

* IMPACTS...DRIVING MAY BECOME DIFFICULT...ESPECIALLY FOR
  LIGHTWEIGHT AND HIGH-PROFILE VEHICLES. UNSECURED OBJECTS MAY BE
  LOST OR DAMAGED.

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTP://WEATHER.GOV/MEDFORD/HAZARD 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 25 TO 39 MPH ARE EXPECTED
WITH HIGHER GUSTS POSSIBLE. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

&&

$$

BPN
3 follow-up statements
258 
WWUS76 KMFR 231650
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
850 AM PST FRI DEC 23 2016


CAZ081-232100-
/O.CON.KMFR.WI.Y.0050.000000T0000Z-161223T2100Z/
CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITY OF...WEED
850 AM PST FRI DEC 23 2016

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

* WINDS...SOUTH 25 TO 35 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...WINDS WILL CONTINUE THIS MORNING...THEN DECREASE IN THE
  EARLY AFTERNOON.

* LOCATIONS INCLUDE...WEED...INTERSTATE 5 BETWEEN WEED AND 
  GRENADA...AND PORTIONS OF HIGHWAY 97 NORTHEAST OF WEED. 

* IMPACTS...DRIVING MAY BECOME DIFFICULT...ESPECIALLY FOR 
  LIGHTWEIGHT AND HIGH-PROFILE VEHICLES. UNSECURED OBJECTS MAY 
  BE LOST OR DAMAGED. 

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTP://WEATHER.GOV/MEDFORD/HAZARD 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 25 TO 39 MPH ARE EXPECTED
WITH HIGHER GUSTS POSSIBLE. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

&&

$$
528 
WWUS76 KMFR 232053
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
1253 PM PST FRI DEC 23 2016



CAZ081-232300-
/O.EXT.KMFR.WI.Y.0050.000000T0000Z-161223T2300Z/
CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITY OF...WEED
1253 PM PST FRI DEC 23 2016

...WIND ADVISORY NOW IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...

* WINDS...SOUTH 25 TO 35 MPH WITH GUSTS OF 40 TO 45 MPH.

* TIMING...WINDS WILL CONTINUE EARLY THIS AFTERNOON...THEN
  DECREASE IN THE LATE AFTERNOON.

* LOCATIONS INCLUDE...WEED...INTERSTATE 5 BETWEEN WEED AND 
  GRENADA...AND PORTIONS OF HIGHWAY 97 NORTHEAST OF WEED. 

* IMPACTS...DRIVING MAY BECOME DIFFICULT...ESPECIALLY FOR 
  LIGHTWEIGHT AND HIGH-PROFILE VEHICLES. UNSECURED OBJECTS MAY 
  BE LOST OR DAMAGED. 

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTP://WEATHER.GOV/MEDFORD/HAZARD 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 25 TO 39 MPH ARE EXPECTED
WITH HIGHER GUSTS POSSIBLE. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

&&

$$
028 
WWUS76 KMFR 232248
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
248 PM PST FRI DEC 23 2016


CAZ081-240000-
/O.EXP.KMFR.WI.Y.0050.000000T0000Z-161223T2300Z/
CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITY OF...WEED
248 PM PST FRI DEC 23 2016

...WIND ADVISORY WILL EXPIRE AT 3 PM PST THIS AFTERNOON...

WINDS HAVE DECREASED NEAR WEED AND WILL REMAIN BELOW ADVISORY
CRITERIA.

$$

Nearby

Wind Advisories in California, 2016Every wind advisory in 2016

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.