Alert archive / Oregon / High Surf Advisories in 2012

High Surf Advisory 13, NWS Medford, OR

December 16, 2012Coos County, Curry County, Douglas County, Oregon

NWS Medford, OR issued this high surf advisory at Dec 16, 2012, 9:53 PM PST for Coos County, Curry County, Douglas County, Oregon. It was in force for 22 hr.

The area

The counties it named.

The facts

Issued: Dec 16, 2012, 9:53 PM PST (05:53 UTC)
Expired: Dec 17, 2012, 8:00 PM PST
In force: 22 hr
Issued by: NWS Medford, OR

Counties Coos County, OR, Curry County, OR, Douglas County, OR

The radar

The Medford radar (KMAX), 135 km from the middle of the area, began a volume at 05:54 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, 5.9 hours before the alert went out and 108 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 664 m above ground
0-6 km bulk shear: 86 kt
0-1 km storm-relative helicity: 563 m²/s²
0-3 km storm-relative helicity: 861 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.

653 
WHUS46 KMFR 170553
CFWMFR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
953 PM PST SUN DEC 16 2012

ORZ021-022-180000-
/O.CAN.KMFR.SU.W.0008.000000T0000Z-121217T0600Z/
/O.NEW.KMFR.SU.Y.0013.121217T0553Z-121218T0000Z/
SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST-
953 PM PST SUN DEC 16 2012

...HIGH SURF ADVISORY IN EFFECT UNTIL 4 PM PST MONDAY...
...HIGH SURF WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A HIGH SURF
ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM PST MONDAY. THE HIGH
SURF WARNING HAS BEEN CANCELLED. 

* WAVES AND SURF...AS WINDS BECOME MORE WESTERLY TONIGHT...HIGH
  SURF WILL BECOME DRIVEN BY AN INCREASING WEST SWELL. WEST SWELLS
  WILL BUILD THROUGH THE NIGHT AND PEAK MONDAY. THIS WILL CAUSE
  BREAKERS BETWEEN 20 AND 25 FEET TO CONTINUE. WAVES WILL
  DECREASE LATE MONDAY AFTERNOON AS SWELLS SUBSIDE.

* IMPACTS...THE HIGH SURF WILL CONTINUE TO AFFECT SOUTH FACING
  BEACHES THIS EVENING AND THEN TRANSITION TO WEST AND NORTHWEST
  FACING BEACHES OVERNIGHT AND MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

WRIGHT

3 follow-up statements

796 
WHUS46 KMFR 171537
CFWMFR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
737 AM PST MON DEC 17 2012

ORZ021-022-180000-
/O.CON.KMFR.SU.Y.0013.000000T0000Z-121218T0000Z/
SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST-
737 AM PST MON DEC 17 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

* WAVES AND SURF...WEST SWELLS WILL BUILD THIS MORNING...CAUSING
  BREAKERS BETWEEN 20 AND 25 FEET. WAVES WILL DECREASE LATE
  THIS AFTERNOON AS SWELLS SUBSIDE.

* IMPACTS...THE HIGH SURF WILL IMPACT WEST FACING BEACHES THE
  MOST. STAY OFF THE JETTIES AND NEVER TURN YOUR BACK ON THE
  OCEAN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

SK

850 
WHUS46 KMFR 172246
CFWMFR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
246 PM PST MON DEC 17 2012

ORZ021-022-180400-
/O.EXT.KMFR.SU.Y.0013.000000T0000Z-121218T0400Z/
SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST-
246 PM PST MON DEC 17 2012

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 8 PM PST THIS EVENING...

* WAVES AND SURF...NORTHWEST SWELL OF 18 TO 23 FEET WILL CONTINUE
  TO PRODUCE BREAKERS BETWEEN 20 AND 25 FEET AT BEACHES THIS
  EVENING. WAVES WILL DECREASE OVERNIGHT.

* IMPACTS...THE HIGH SURF WILL IMPACT WEST AND NORTHWEST FACING
  BEACHES THE MOST. STAY OFF THE JETTIES AND NEVER TURN YOUR BACK
  ON THE OCEAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$
DW

543 
WHUS46 KMFR 180405
CFWMFR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
805 PM PST MON DEC 17 2012


ORZ021-022-180515-
/O.EXP.KMFR.SU.Y.0013.000000T0000Z-121218T0400Z/
SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST-
805 PM PST MON DEC 17 2012

...HIGH SURF ADVISORY HAS EXPIRED...

THE HIGH SURF ADVISORY HAS EXPIRED. NORTHWEST SWELL HAS SUBSIDED TO 15
TO 18 FEET AT 13 SECONDS AND WILL FALL TO 13 TO 15 FEET BY TUESDAY
MORNING.

$$
DW

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 16, 8:11 PM PST	Gale Warning	MFR		6 hr
Dec 16, 10:25 PM PST	Winter Storm Watch	MFR	Coos, Curry, Douglas, Jackson, Josephine	16 hr
Dec 17, 2:04 AM PST	Gale Warning	MFR		107 min
Dec 17, 2:04 AM PST	Small Craft Advisory for Winds	MFR		14 hr
Dec 17, 2:45 PM PST	High Wind Watch	MFR	Coos, Curry, Douglas	13 hr

Nearby

High Surf Advisories in Oregon, 2012 Every high surf 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.